CN103879152A - Box chip used for storing imaging box information, imaging box and communication method - Google Patents

Box chip used for storing imaging box information, imaging box and communication method Download PDF

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Publication number
CN103879152A
CN103879152A CN201410083587.7A CN201410083587A CN103879152A CN 103879152 A CN103879152 A CN 103879152A CN 201410083587 A CN201410083587 A CN 201410083587A CN 103879152 A CN103879152 A CN 103879152A
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Prior art keywords
memory
information
imaging device
instruction
communication bus
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CN103879152B (en
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何礼华
孙学进
向瑶
王佐
罗艳辉
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Jihai Microelectronics Co ltd
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Apex Microelectronics Co Ltd
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Priority to PCT/CN2014/079745 priority patent/WO2015131461A1/en
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/382—Information transfer, e.g. on bus using universal interface adapter
    • G06F13/385—Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices

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  • Theoretical Computer Science (AREA)
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Abstract

The embodiment of the invention provides a box chip used for storing imaging box information, an imaging box and a communication method. According to the box chip used for storing the imaging box information, after the information of the imaging box which the box chip belongs to is classified and stored in a first memory used for storing first information and a second memory used for storing second information respectively, the first memory changes preset signal features of transmission signals on a communication bus during the process when an imaging device has access to the first memory, so that the second memory can not collect the preset signal features and can not communicate with the imaging device, and the problem that instructions of the imaging device can not be collaboratively responded between the first memory and the second memory is solved.

Description

For storing box chip, imaging cartridge and the communication means of imaging cartridge information
Technical field
The embodiment of the present invention relates to imaging technique, relates in particular to a kind of for storing box chip, imaging cartridge and the communication means of imaging cartridge information.
Background technology
For example, such as thermal transfer imaging equipment, ink-jet image forming apparatus and electrophotographic image forming (laser printer and light emitting diode (Light Emitting Diode, be called for short LED) printer) etc. the imaging cartridge of having stored running stores (for example colouring agents) is installed in imaging device, imaging device in use needs to consume colouring agent, therefore, after colouring agent exhausts or damages, need to supplement in time colouring agent or change imaging cartridge.In order to manage easily imaging cartridge, an information-storing device is set conventionally on imaging cartridge, it is imaging box chip (being called for short box chip), the relevant information of described box chip for storing imaging cartridge, the information such as such as date of manufacture, colorant type/color, manufacturer, authentication information, colouring agent capacity, colouring agent surplus or consumption.
Based on the demand of multi-color printing, one or more imaging cartridges are installed in single imaging device, and each imaging cartridge is stored respectively the colouring agent of dissimilar/color, corresponding, need to box chip be set respectively for each imaging cartridge, each box chip is in order to the relevant information of the imaging cartridge under storing.In box chip, canned data comprises the information of can rewriting and can not rewrite information, and for example, manufacturer and colouring agent capacity information belong to can not rewrite information, and colouring agent surplus or consumption belong to can rewrite information.If all information is stored together, just need the programmable storage of larger capacity, cause the high cost of box chip.Given this, canned data in box chip is sorted out, can rewriting information be stored in programmable storage, and can not rewriting information store in read-only storage, because read-only memory structure is simple and cost is low, thereby can reduce the cost of box chip.
Imaging device and box chip adopt main frame-client mode to communicate, and imaging device is main frame, and box chip is client computer, and the rule of communication between imaging device and box chip and sequential are by imaging device control; But prior art is carried out canned data in box chip after classified and stored, the instruction of the response imaging device that how to cooperate between programmable storage and read-only storage, is current problem in the urgent need to address.Being not limited only to the cooperation between programmable storage and read-only storage, is that the cooperation of the instruction of response imaging device also exists same problem between other same types or different kinds of memory.
Summary of the invention
It is a kind of for storing box chip, imaging cartridge and the communication means of imaging cartridge information that the embodiment of the present invention provides, and responds into the problem as device directive to solve cooperation between multiple memories.
First aspect, it is a kind of for storing the box chip of imaging cartridge information that the embodiment of the present invention provides, and at least comprises first memory and second memory; Described first memory and second memory use same communication bus and imaging device to communicate, and described communication bus at least comprises power line, clock line and data wire; Described first memory, for storing identifying information and the first information of described imaging cartridge; Described second memory, for storing the second information of described imaging cartridge; Wherein, the described first information and the second information are stored according to default addressing rule respectively; Wherein,
Described first memory, the instruction also sending by described data wire for receiving described imaging device, and judge whether the imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge of storing in described first memory:
If coupling, described first memory is according to the access address in described instruction and access byte number, definite described imaging device judges whether described imaging device needs to access described first memory and/or described second memory: if need to be accessed described first memory, access in the process of described first memory at described imaging device, change the preset signals feature of signal transmission on described communication bus; If definite described imaging device need to be accessed described second memory,, in the time that described imaging device need to be accessed described second memory, do not change the preset signals feature of signal transmission on described communication bus;
If do not mate, described first memory does not communicate with described imaging device, and does not change the preset signals feature of signal transmission on described communication bus;
Described second memory, also for receiving described instruction, and gathers the signal characteristic of signal transmission on described communication bus; If collect described preset signals feature, according to described instruction, use described the second information and described imaging device to communicate; If do not collect described preset signals feature, do not communicate with described imaging device.
According to first aspect, in the possible implementation of the first of first aspect, described second memory, also for storing the identifying information of described imaging cartridge;
Described second memory, specifically for receiving described instruction, and judge whether the imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge of storing in described second memory, and in the time determining that imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge of storing in described second memory, gather the signal characteristic of signal transmission on described communication bus: if collect described preset signals feature, according to described instruction, use described the second information and described imaging device to communicate; If do not collect described preset signals feature, do not communicate with described imaging device.
The implementation possible according to the first of first aspect or first aspect, in the possible implementation of the second of first aspect, described signal characteristic comprise following at least one: the dutycycle of signal, signal are at the level value in default moment.
The implementation possible according to the second of first aspect, in the third possible implementation of first aspect, the described first information comprises can rewrite information; Described the second information comprises can not rewrite information;
Described first memory comprises rewritable memory, and the described first information is stored in described rewritable memory; Described second memory comprises not rewritable memory, described in described the second information is stored in not rewritable memory.
Adopt that above-mentioned first aspect provides for storing the box chip of imaging cartridge information, the information categorization of the imaging cartridge under this box chip is being stored into first memory (the storage first information) and second memory (storage the second information) afterwards, first memory is by the process of imaging device access first memory, change the preset signals feature of signal transmission on communication bus, thereby making second memory cannot collect preset signals feature does not communicate with imaging device, solve between first memory and second memory and cooperated and respond into the problem of picture device directive.
Second aspect, it is a kind of for storing the box chip of imaging cartridge information that the embodiment of the present invention provides, and at least comprises first memory and second memory; Described first memory and second memory use same communication bus and imaging device to communicate, and described communication bus at least comprises power line, clock line and data wire; Described first memory, for storing identifying information and the first information of described imaging cartridge; Described second memory, for storing the second information of described imaging cartridge; Wherein, the described first information and the second information are stored according to default addressing rule respectively; Wherein,
Described first memory, the instruction also sending by described data wire for receiving described imaging device, and judge whether the imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge of storing in described first memory:
If coupling, described first memory is according to the access address in described instruction and access byte number, judge whether described imaging device needs to access described first memory and/or described second memory: if definite described imaging device need to be accessed described first memory, use the described first information and described imaging device to communicate; If definite described imaging device need to be accessed described second memory,, before described imaging device is accessed described second memory, the signal characteristic of signal transmission on described communication bus is changed into preset signals feature;
If do not mate, described first memory does not communicate with described imaging device, and does not change the preset signals feature of signal transmission on described communication bus;
Described second memory, also for receiving described instruction, and gathers the signal characteristic of signal transmission on described communication bus; If while collecting described preset signals feature, according to described instruction, use described the second information and described imaging device to communicate; If while not collecting described preset signals feature, do not communicate with described imaging device.
Adopt that above-mentioned second aspect provides for storing the box chip of imaging cartridge information, the information categorization of the imaging cartridge under this box chip is being stored into first memory (the storage first information) and second memory (storage the second information) afterwards, first memory is by before need to accessing second memory at imaging device, the signal characteristic of signal transmission on described communication bus is changed into preset signals feature, thereby making second memory can collect preset signals feature communicates with imaging device, solve between first memory and second memory and cooperated and respond into the problem of picture device directive.
The third aspect, the embodiment of the present invention provides a kind of imaging cartridge, and described imaging cartridge can be installed to imaging device, and wherein, any one that comprises that above-mentioned first aspect provides is for storing the box chip of imaging cartridge information.
The imaging cartridge that adopts the above-mentioned third aspect to provide, the information categorization of the imaging cartridge under this box chip is being stored into first memory (the storage first information) and second memory (storage the second information) afterwards for the box chip of storing imaging cartridge information, first memory is by the process of imaging device access first memory, change the preset signals feature of signal transmission on communication bus, thereby making second memory cannot collect preset signals feature does not communicate with imaging device, solve between first memory and second memory and cooperated and respond into the problem of picture device directive.
Fourth aspect, the embodiment of the present invention provides a kind of communication means, described imaging cartridge can be installed to imaging device, wherein, comprise that above-mentioned second aspect provides for storing the box chip of imaging cartridge information.
Adopt that above-mentioned fourth aspect provides for storing the box chip of imaging cartridge information, the information categorization of the imaging cartridge under this box chip is being stored into first memory (the storage first information) and second memory (storage the second information) afterwards for the box chip of storing imaging cartridge information, first memory is by before need to accessing second memory at imaging device, the signal characteristic of signal transmission on described communication bus is changed into preset signals feature, thereby making second memory can collect preset signals feature communicates with imaging device, solve between first memory and second memory and cooperated and respond into the problem of picture device directive.
The 5th aspect, the embodiment of the present invention provides a kind of communication means, and wherein, the method is applied to communicating by letter of imaging device and box chip for storing imaging cartridge information, and described imaging cartridge can be installed to described imaging device; Described box chip at least comprises first memory and second memory; Described first memory and second memory use same communication bus and described imaging device to communicate, and described communication bus at least comprises power line, clock line and data wire; Described first memory, for storing identifying information and the first information of described imaging cartridge; Described second memory, for storing the second information of described imaging cartridge; Wherein, the described first information and the second information are stored according to default addressing rule respectively; Described method comprises:
Described first memory receives the instruction that described imaging device sends by described data wire, and judges whether the imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge of storing in described first memory:
If coupling, described first memory is according to the access address in described instruction and access byte number, definite described imaging device judges whether described imaging device needs to access described first memory and/or described second memory: if need to be accessed described first memory, access in the process of described first memory at described imaging device, change the preset signals feature of signal transmission on described communication bus; If definite described imaging device need to be accessed described second memory,, in the time that described imaging device need to be accessed described second memory, do not change the preset signals feature of signal transmission on described communication bus;
If do not mate, described first memory does not communicate with described imaging device, and does not change the preset signals feature of signal transmission on described communication bus;
Described second memory receives described instruction, and gathers the signal characteristic of signal transmission on described communication bus; If while collecting described preset signals feature, according to described instruction, use described the second information and described imaging device to communicate; If do not collect described preset signals feature, do not communicate with described imaging device.
According to the 5th aspect, in the possible implementation of the first aspect the 5th, described method also comprises: described second memory is also stored the identifying information of described imaging cartridge;
Described second memory receives described instruction, and gathers the signal characteristic of signal transmission on described communication bus, comprising:
Described second memory receives described instruction, and judge whether the imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge of storing in described second memory, and in the time determining that imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge of storing in described second memory, gather the signal characteristic of signal transmission on described communication bus.
According to the possible implementation of the first of the 5th aspect or the 5th aspect, in the possible implementation of the second aspect the 5th, described signal characteristic comprise following at least one: the dutycycle of signal, signal are at the level value in default moment.
The implementation possible according to the second of the 5th aspect, in the third the possible implementation aspect the 5th, the described first information comprises can rewrite information; Described the second information comprises can not rewrite information;
Described first memory comprises rewritable memory, and the described first information is stored in described rewritable memory; Described second memory comprises not rewritable memory, described in described the second information is stored in not rewritable memory.
The communication means that adopts above-mentioned the 5th aspect to provide, the information categorization of the imaging cartridge under this box chip is being stored into first memory (the storage first information) and second memory (storage the second information) afterwards for the box chip of storing imaging cartridge information, first memory is by the process of imaging device access first memory, change the preset signals feature of signal transmission on communication bus, thereby making second memory cannot collect preset signals feature does not communicate with imaging device, solve between first memory and second memory and cooperated and respond into the problem of picture device directive.
The 6th aspect, the embodiment of the present invention provides a kind of communication means, and wherein, the method is applied to communicating by letter of imaging device and box chip for storing imaging cartridge information, and described imaging cartridge can be installed to described imaging device; Described box chip at least comprises first memory and second memory; Described first memory and second memory use same communication bus and described imaging device to communicate, and described communication bus at least comprises power line, clock line and data wire; Described first memory, for storing identifying information and the first information of described imaging cartridge; Described second memory, for storing the second information of described imaging cartridge; Wherein, the described first information and the second information are stored according to default addressing rule respectively; Described method comprises:
Described first memory receives the instruction that described imaging device sends by described data wire, and judges whether the imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge of storing in described first memory:
If coupling, described first memory is according to the access address in described instruction and access byte number, judge whether described imaging device needs to access described first memory and/or described second memory: if definite described imaging device need to be accessed described first memory, use the described first information and described imaging device to communicate; If definite described imaging device need to be accessed described second memory,, before described imaging device is accessed described second memory, the signal characteristic of signal transmission on described communication bus is changed into preset signals feature;
If do not mate, described first memory does not communicate with described imaging device, and does not change the preset signals feature of signal transmission on described communication bus;
Described second memory receives described instruction, and gathers the signal characteristic of signal transmission on described communication bus; If while collecting described preset signals feature, according to described instruction, use described the second information and described imaging device to communicate; If do not collect described preset signals feature, do not communicate with described imaging device.
The communication means that adopts above-mentioned the 6th aspect to provide, the information categorization of the imaging cartridge under this box chip is being stored into first memory (the storage first information) and second memory (storage the second information) afterwards for the box chip of storing imaging cartridge information, first memory is by before need to accessing second memory at imaging device, the signal characteristic of signal transmission on described communication bus is changed into preset signals feature, thereby making second memory can collect preset signals feature communicates with imaging device, solve between first memory and second memory and cooperated and respond into the problem of picture device directive.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 for the embodiment of the present invention provide for storing the structural representation of box chip of imaging cartridge information;
The structural representation of the first memory that Fig. 2 provides for the embodiment of the present invention;
The structural representation of the first memory that Fig. 3 provides for the embodiment of the present invention and the telecommunication circuit of imaging device;
The sequential chart of the clock line communicating between the first memory that Fig. 4 provides for the embodiment of the present invention and imaging device;
Another structural representation of the first memory that Fig. 5 provides for the embodiment of the present invention and the telecommunication circuit of imaging device;
Another sequential chart of the clock line communicating between the first memory that Fig. 6 provides for the embodiment of the present invention and imaging device;
A structural representation again of the first memory that Fig. 7 provides for the embodiment of the present invention and the telecommunication circuit of imaging device;
The structural representation of the imaging cartridge that Fig. 8 provides for the embodiment of the present invention;
The flow chart of the communication means that Fig. 9 provides for the embodiment of the present invention.
The specific embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 for the embodiment of the present invention provide for storing the structural representation of box chip of imaging cartridge information.As shown in Figure 1, the embodiment of the present invention provide for storing the box chip 1 of imaging cartridge information, for the information of storing imaging cartridge 2, comprise: first memory 11 and second memory 12, described first memory 11 and described second memory 12 use same communication bus and imaging device 3 to communicate, and described communication bus at least comprises power line (Vcc), clock line (CLK) and data wire (DA); Described imaging device 3 sends instruction by described data wire to described first memory 11 and described second memory 12, described instruction comprises: operation information (for example, read or write), imaging cartridge identifying information, access address and access byte number, also can comprise other related datas.Described for the box chip 1 of storing imaging cartridge information, the information of described imaging cartridge 2 is classified after (being categorized as the first information and the second information) store respectively described first memory 11 and described second memory 12; Described first memory 11, for storing identifying information (Identification is called for short ID) and the first information of described imaging cartridge 2; Described second memory 12, for storing the second information of described imaging cartridge 2; The described first information and the second information are stored according to default addressing rule respectively; Described default addressing rule is the rule that information stores concrete storage address into.
Communication bus except communicating with described imaging device 3 between described first memory 11 and described second memory 12, without any connection; Described first memory 11 works alone with described second memory 12, and coordinates the instruction of the described imaging device 3 of response.
Described first memory 11, the instruction also sending by described data wire for receiving described imaging device 3, and judge whether the imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge 2 of storage in described first memory 11:
If whether described first memory 11 is judged the imaging cartridge identifying information in described instruction and is mated with the identifying information of the described imaging cartridge 2 of storage in described first memory 11, described first memory 11 is according to the access address in described instruction and access byte number, definite described imaging device 3 judges whether described imaging device 3 needs to access described first memory 11 and/or described second memory 12: if need to be accessed described first memory 11, access in the process of described first memory 11 at described imaging device 3, change the preset signals feature of signal transmission on described communication bus, if definite described imaging device 3 need to be accessed described second memory 12,, in the time that described imaging device 3 need to be accessed described second memory 12, do not change the preset signals feature of signal transmission on described communication bus,
If whether described first memory 11 is judged the imaging cartridge identifying information in described instruction and is not mated with the identifying information of the described imaging cartridge 2 of storage in described first memory 11, described first memory 11 does not communicate with described imaging device 3, and does not change the preset signals feature of signal transmission on described communication bus;
Described second memory 12, the described instruction also sending by described data wire for receiving described imaging device 3, and gather the signal characteristic of signal transmission on described communication bus; If collect described preset signals feature, according to described instruction, use described the second information and described imaging device 3 to communicate; If do not collect described preset signals feature, do not communicate with described imaging device 3.
Adopt the embodiment of the present invention provide for storing the box chip of imaging cartridge information, the information categorization of the imaging cartridge under this box chip is being stored into first memory (the storage first information) and second memory (storage the second information) afterwards, first memory is by the process of imaging device access first memory, change the preset signals feature of signal transmission on communication bus, make second memory cannot collect preset signals feature, thereby do not communicate with imaging device, solve between first memory and second memory and cooperated and respond into the problem of picture device directive.
Above-mentioned second memory 12 responds the method for preset signals feature, be applicable to only be connected with on described communication bus the situation of a second memory 12, if be connected with two or more second memories on described communication bus, second memory 12 needs distinctiveness and responds the preset signals feature collecting.Optionally, described second memory 12, also for storing the identifying information of described imaging cartridge 2; Described second memory 12, also by judging whether the imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge 2 of storage in described second memory 12, and in the time of coupling, gather the signal characteristic of signal transmission on described communication bus: if collect described preset signals feature, according to described instruction, use described the second information and described imaging device to communicate; If do not collect described preset signals feature, do not communicate with described imaging device.
On the basis of above-described embodiment, describedly for storing a kind of feasible implementation that the box chip 1 of imaging cartridge information is the described first information and described the second information by the information classification of described imaging cartridge 2 be: describedly the information of described imaging cartridge 2 can be divided into the information of can rewriting and can not rewrite information for storing the box chip 1 of imaging cartridge information; The described first information can comprise can rewrite information, for example, and colouring agent surplus or consumption; Described the second information can comprise can not rewrite information, for example, and manufacturer, date of manufacture, authentication information and colouring agent capacity information.Optionally, described first memory 11 comprises rewritable memory, can adopt programmable storage, for example: Erarable Programmable Read only Memory (Erasable Programmable Read Only Memory, be called for short EPROM), Electrically Erasable Read Only Memory (Electrically Erasable Programmable Read Only Memory, be called for short EEPROM), flash memory (FLASH), ferroelectric memory, the nonvolatile memories such as phase transition storage (non-volatile memory), also can adopt volatile memory to add the scheme of power supply, for example SRAM+ battery or electric capacity, DRAM+ battery or electric capacity, the described first information is stored in described rewritable memory.Described second memory 12 comprises not rewritable memory, can adopt read-only storage, example is memory as the above-mentioned, or primary memory (One Time Programmable memory, OTP), also can adopt the memory of the simple and erasable circuit complexity of reading circuit; Described in described the second information is stored in not rewritable memory.
Be understandable that, describedly also the information of imaging cartridge 2 can be classified according to other classifying rules for the box chip 1 of storing imaging cartridge information, for example also can be according to whether comprising authentication information and be divided into following two classes: authentication information and non-authentication information; Now, the described first information can comprise authentication information; Described the second information can comprise other information except authentication information, described first memory 11 authenticates for imaging device, need the Logical processing unit of more complicated, and described second memory 12 is only for storing data, does not need complicated Logical processing unit.
Understand for convenience the content of the embodiment of the present invention, suppose below the described first information and described the second information described for storing the storage condition of box chip 1 of imaging cartridge information, as shown in Table 1 and Table 2:
The mapping table of table 1 first information in first memory 11
00 Imaging cartridge ID
01 The first information
… The first information
K The first information
The mapping table of table 2 the second information in second memory 12
K+1 Imaging cartridge ID
K+2 The second information
… The second information
N-1 The second information
As shown in Table 1 and Table 2, in first memory 11, store identifying information and the described first information of described imaging cartridge 2, the described first information is stored according to default addressing rule: the identifying information (imaging cartridge ID) of described imaging cartridge 2 is stored in first address 00, the first information starts storage from low order address 01, until high address K; In second memory 12, store identifying information and described second information of described imaging cartridge 2, described the second information is also stored according to default addressing rule, and, the access address of described the second information can be associated with the access address of the described first information: the identifying information (imaging cartridge ID) of described imaging cartridge 2 is stored in address K+1, the second information starts storage from relative low order address K+2, until high address N-1; The information of each address is a byte.The access address of the second information is after the access address of the first information, it should be noted that, the access address relation of the described first information and described the second information is not limited thereto, and, be arranged on one and have more than and be limited to two that the embodiment of the present invention provides for storing the number of memory of box chip of imaging cartridge information, also can comprise more than two same type or dissimilar memory.
For completing memory function, above-mentioned memory (such as first memory 11, second memory 12) can be made up of hardware circuit, comprise I/O (I/O) circuit, control module and memory module, wherein: I/O circuit is connected to control module, and directly electrical connection or less radio-frequency be connected to external communication circuit, as above-mentioned communication bus, be used to control module to provide communication link to communicate by letter with imaging device; Memory module is used for storing imaging cartridge relevant information; Control module (as the microprocessor that single-chip microcomputer formed) is for responding the instruction receiving by I/O circuit and possessing the functions such as the read-write operation to memory module.The apparatus structure of explanation memory as an example of first memory 11 example below.
The structural representation of the first memory that Fig. 2 provides for the embodiment of the present invention.As shown in Figure 2, described first memory 11 comprises I/O circuit 111, control module 112 and memory module 113, wherein:
I/O circuit 111 is connected to control module 112, and directly electrical connection or less radio-frequency be connected to communication bus (power line Vcc, clock line CLK, data wire DA and ground wire GND), be used to control module 112 that communication link is provided, so that control module 112 is communicated by letter with imaging device 3.
Control module 112 is for responding the instruction receiving by I/O circuit 111 and possessing the functions such as the read-write operation to memory module 113.
Memory module 113 is for storing identifying information and the described first information of described imaging cartridge 2.
For ease of understanding the solution of the present invention, the process of the instruction below by a specific embodiment to the response imaging device 3 that cooperates between first memory 11 and second memory 12 is elaborated.
Described first memory 11 receives by I/O circuit 111 instruction that described imaging device 3 sends by described data wire DA;
Described first memory 11 judges by control module 112 whether the imaging cartridge identifying information in the instruction receiving mates with the identifying information of the described imaging cartridge 2 of storage in memory module 113:
If coupling, described first memory 11 is according to the access address in described instruction and access byte number, can know the range of information that described instruction is specifically related to, and judge whether described imaging device 3 needs to access described first memory 11 and/or described second memory 12.Optionally, the range of information that described instruction is specifically related to, can divide following three kinds of situations:
(1) only comprise the described first information
Described first memory 11 determines that described imaging device 3 only needs to access described first memory 11: the access address in presumptive instruction is 02, and access byte number is 3 bytes, represent that it is to start from access address 02 to finish the data of 3 bytes altogether to access address 04 that the information of access is specifically wanted in this instruction; Known according to above-mentioned table 1 and table 2, this instruction is specifically related to the described first information, and described first memory 11 communicates according to the operation information in this instruction and described imaging device 3.If described operation information is read operation, described first memory 11 is by control module 112, and reading out data from these 3 addresses, then sends to described imaging device 3 by I/O circuit 111; Or if described operation information is write operation, described first memory 11 stores the data in this instruction in these 3 addresses into by control module 112.
Described first memory 11 is communicating according to the operation information in this instruction and described imaging device 3 in the process of (described imaging device 3 is accessed described first memory 11), change the preset signals feature of signal transmission on described communication bus, make described second memory 12 on described communication bus, not collect described preset signals feature, thereby described second memory 12 does not communicate with described imaging device 3.
Optionally, described signal characteristic comprise following at least one: the dutycycle of signal, signal are at the level value in default moment.Described signal can be for example power supply signal, clock signal or data-signal; The dutycycle of described signal can be for example the dutycycle of clock signal pulse width; Described signal at the level value in default moment, for example, can be the level of power supply signal in the default moment.
(2) only comprise described the second information
Described first memory 11 determines that described imaging device 3 only needs to access described second memory 12: the access address in presumptive instruction is K+2, and access byte number is 4 bytes, represent that it is to start to finish the data of 4 bytes altogether to access address K+5 from access address K+2 that the information of access is specifically wanted in this instruction; Known according to above-mentioned table 1 and table 2, this instruction is specifically related to described the second information, described first memory 11 does not communicate with described imaging device 3, do not change the preset signals feature of signal transmission on described communication bus, make described second memory 12 on described communication bus, can collect described preset signals feature by the I/O circuit of described second memory 12.Described second memory 12 is in the time collecting described preset signals feature, according to this instruction, use described the second information and described imaging device 3 to communicate, for example, by the I/O circuit of described second memory 12, return to be stored in address K+2 to (transmission) to described imaging device 3 to the second information of K+5.
(3) comprise the described first information and described the second information
The definite described imaging device 3 of described first memory 11 need to successively be accessed described first memory 11 and described second memory 12: the access address in presumptive instruction is K-2, and access byte number is 4 bytes, represent that it is to start to finish the data of 4 bytes altogether to access address K+1 from access address K-2 that the information of access is specifically wanted in this instruction.Known according to above-mentioned table 1 and table 2, in this instruction, the data of address K-2Dao address K belong to the first information, and the data of address K+1 belong to the second information.
Described first memory 11 communicates according to the operation information in this instruction and described imaging device 3.If described operation information is read operation, described first memory 11 is by control module 112, and reading out data from these 3 addresses, then sends to described imaging device 3 by I/O circuit 111; Or if described operation information is write operation, described first memory 11 stores the data in this instruction in these 3 addresses into by control module 112.Simultaneously, described first memory 11 changes the preset signals feature of signal transmission on described communication bus, make described second memory 12 on described communication bus, not collect described preset signals feature, thereby described second memory 12 does not communicate with described imaging device 3.
After the data manipulation of these 3 addresses is completed, described first memory 11 stops changing the preset signals feature of signal transmission on described communication bus, now, described second memory 12 can collect described preset signals feature by the I/O circuit of described second memory 12 on described communication bus, by the I/O circuit of described second memory 12, the second information that is stored in address K+1 is returned to described imaging device 3.
If described first memory 11 is judged the imaging cartridge identifying information in described instruction and is not mated with the identifying information of the described imaging cartridge 2 of storage in memory module 113, described first memory 11 does not communicate with described imaging device 3, and does not change the preset signals feature of signal transmission on described communication bus.
Those of ordinary skills should understand, the preset signals feature of signal transmission on the described communication bus of described change, can realize by add-on device, and described device can be integrated in described first memory 11 in whole or in part, a kind of feasible scheme is that described first memory 11 utilizes control module 112 to complete the preset signals feature that changes signal transmission on described communication bus.
For ease of understanding the solution of the present invention, below by several specific embodiments to first memory by changing the preset signals feature of signal transmission on communication bus, realize the technical scheme responding into as device directive that cooperates between first memory and second memory and be elaborated.
The structural representation of the first memory that Fig. 3 provides for the embodiment of the present invention and the telecommunication circuit of imaging device.Those of ordinary skills should understand, above-mentioned first memory 11 can be made up of hardware circuit, owing to generally all including timer in memory, the embodiment of the present invention provides a kind of electrical equipment that memory itself comprises and method of imaging device communication utilized.As shown in Figure 3, in the embodiment of the present invention, first memory 11 also comprises assists port P1, be connected to the control module 112 of first memory 11, and be connected to clock line CLK by I/O circuit 111, the collection for control module 112 to clock signal and/or change the default dutycycle of the clock signal of the upper transmission of described clock line CLK; Wherein, the default dutycycle of described clock signal is the preset value of shared ratio of the high-pulse widths time (TH) of clock signal within the single cycle.
Described first memory 11 receives by I/O circuit 111 instruction that described imaging device 3 sends by described data wire DA.
Described first memory 11 judges by control module 112 whether the imaging cartridge identifying information in described instruction mates (identical) with the identifying information of the described imaging cartridge 2 of storage in memory module 113.
If coupling, described first memory 11 is according to the access address in described instruction and access byte number, can know the range of information that described instruction is specifically related to, need to access described first memory 11 if determine described imaging device 3, described first memory 11 uses the described first information and imaging device 3 to communicate, and in the time that described first memory 11 collects the rising edge of clock signal of imaging device 3, first memory 11 starts timer internal.The sequential chart of the clock line communicating between the first memory that Fig. 4 provides for the embodiment of the present invention and imaging device.The timing (T1) of the timer internal that as shown in Figure 4, the embodiment of the present invention provides is to be less than in single cycle of clock signal high-pulse widths time T H as boundary line; In the time that the timing T1 of timer reaches, first memory 11 is by assisting port P1 that the level of clock signal is directly moved to 0 level.The described method that the level of clock signal is dragged down can be: arrive after T1 at timer time, assistance port P1 is received to low level (as ground wire GND), hold time (T2) that assists port P1 to drag down clock signal level is greater than the high-pulse widths time T H of clock signal, and be less than complete pulse cycle (TH+TL) of a clock signal, after the timing T2 of timer arrives, first memory 11 is assisting port P1 to be made as high-impedance state, first memory 11 repeats aforesaid operations in the time that the rising edge of the clock signal of next cycle arrives, to be lowered into the default dutycycle of picture equipment clock signal, make described second memory 12 on described clock line, not collect the default clock signal feature of clock signal, described default clock signal has default dutycycle, thereby described second memory 12 does not communicate with described imaging device 3.Visible, the preset signals feature of the present embodiment is: the default dutycycle of clock signal is the clock signal preset value of the high-pulse widths time (TH) within the single cycle; Changing preset signals is characterized as: reduce the dutycycle of clock signal pulse width, change over T1 duration by the high-pulse widths time of clock signal.
Need to access described second memory 12 if determine described imaging device 3, described first memory 11 stops or not communicating by letter with described imaging device 3, and stop or changing the default dutycycle of the clock signal of the upper transmission of described clock line CLK, for example, first memory 11 is assisting port P1 to be made as high-impedance state; Now, described second memory 12 collects default clock signal (the default dutycycle of clock signal) on described clock line, uses described the second information and imaging device 3 to communicate, and work when does not affect clock signal pulse;
If do not mate, described first memory 11 does not communicate with described imaging device 3 with second memory 12, and does not change the preset signals feature of signal transmission on described communication bus.
Those of ordinary skills should understand, described first memory 11 and second memory 12 can be by realizing as microprocessors such as single-chip microcomputers, as realized the collection to clock signal clk rising edge by single-chip microcomputer with one or more steps of the communication process of imaging device 3.The simultaneously collection of second memory 12 to clock signal, has various ways, and as gathered the pulse width of clock signal, such as gathering T1 to the level value of the clock signal of arbitrary particular moment between TH etc., this particular moment also can be selected by timer again.Equally, the default dutycycle of the clock signal of the upper transmission of the described clock line CLK of described change, be not limited to reduce the dutycycle of clock signal clk pulse width, can also, by gathering the trailing edge of clock signal, in the time that trailing edge arrives, start timer internal, after the timing of timer arrives, clock line CLK is connected to power line Vcc, draws high its voltage by the effect of power supply signal, to increase the dutycycle of clock signal clk.
Another structural representation of the first memory that Fig. 5 provides for the embodiment of the present invention and the telecommunication circuit of imaging device.During due to imaging device and box chip communication, the clock signal that imaging device sends may be to exist to change, the pulse width of for example clock signal or the change of clock frequency, in the embodiment shown in fig. 3, if clock signal low level width only has the half of TL, may there is the situation of T1+T2>TH+TL, like this in the time that first memory 11 finishes by the T2 that holds time that assists port P1 to drag down clock signal level, the rising edge of the clock signal of imaging device 3 is assisted the discharge process cancellation of port P1, control module 112 may not respond the instruction of imaging device 3 in time, thereby cause communication abnormality.Obviously this is due in above-described embodiment, and the T2 that holds time that assists port P1 to drag down clock signal level is that a steady state value causes.
For avoiding occurring above-mentioned situation, as shown in Figure 5, first memory 11 also comprises trailing edge acquisition cuicuit, for obtaining the trailing edge of clock signal, to inform that first memory 11, within the single clock cycle, stops dragging down the operation of clock signal level in time, to avoid occurring above-mentioned situation.This trailing edge acquisition cuicuit comprises: resistance R 1, resistance R 2 and voltage comparator A1, wherein: resistance R 1 and resistance R 2 are connected in series between power line Vcc and ground wire GND, produce dividing potential drop (Vref) for tie point place at R1 and R2 and be input to the negative input of voltage comparator A1; The electrode input end of voltage comparator A1 is connected to clock line CLK; The power input of voltage comparator A1 is connected to power line Vcc, and earth terminal is connected to ground wire GND.First memory 11 also comprises: assist port P2 and detection port P3, P2 and P3 are connected respectively to control module 112, and wherein, P2 is connected to clock line CLK through resistance R 3, for changing the dutycycle of the upper clock signal pulse width transmitting of described clock line CLK; The output of voltage comparator A1 is connected to P3; P3 is for detection of the voltage swing of voltage comparator A1 output.
Described first memory 11 receives by I/O circuit 111 instruction that described imaging device 3 sends by described data wire DA.
Described first memory 11 judges by control module 112 whether the imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge 2 of storage in memory module 113.
If coupling, described first memory 11 is according to the access address in described instruction and access byte number, can know the range of information that described instruction is specifically related to, need to access described first memory 11 if determine described imaging device 3, described first memory 11 uses the described first information and imaging device 3 to communicate, and in the time that described first memory 11 collects the rising edge of clock signal of imaging device 3, first memory 11 starts timer internal.
Another sequential chart of the clock line communicating between the first memory that Fig. 6 provides for the embodiment of the present invention and imaging device.The timing T1 of the timer internal that as shown in Figure 6, the embodiment of the present invention provides is take the high-pulse widths TH that is less than clock signal as boundary line; In the time that the timing T1 of timer reaches, first memory 11 pulls into a level point (Va) in Fig. 6 by P2 clock signal clk; The concrete magnitude of voltage of a level point Va is worth decision by resistance R 3, optionally, a level point Va meets complementary metal oxide semiconductors (CMOS) (Complementary Metal Oxide Semiconductor, be called for short CMOS) low level scope, and be greater than the low level value of clock signal, so that second memory 12 in the time collecting a level point Va, judges that a level point is low level.The described mode that the level of clock signal is dragged down has multiple, for example, because the driving force of imaging device 3 is limited, can be by increasing the On current of clock line and ground wire, such as in Fig. 6, P2 being received to low level, thereby reduce the resistance value between clock line and ground wire, clock line discharges larger electric current by resistance R 3, and then the level of the clock signal that imaging device 3 exports is dragged down; Can change the size of its electric current of flowing through by setting the size of R3 resistance, and then change the level of clock signal; In the time that the lasting TH duration of high-pulse widths finishes, when the lasting duration (T3) also dragging down by the level of clock signal finishes, imaging device 3 can directly be moved 0 level to clock signal, has therefore formed the staircase waveform that a shown in Fig. 6 is ordered.First memory 11 detects in staircase waveform that by above-mentioned trailing edge acquisition cuicuit after the change procedure of 0 level at a o'clock, and first memory 11 stops in time the dragging down of clock signal after T3, and P2 is set to high-impedance state; In the time that arriving, repeats the rising edge of the clock signal of next cycle aforesaid operations.
In Fig. 6, the value of Vref is in staircase waveform between a level point Va and the low level of clock signal, known according to the characteristic of voltage comparator, after T1 duration finishes, the voltage of the electrode input end of A1 is Va, the voltage of negative input is Vref, Va>Vref, A1 output high level; And in the time that TH duration finishes, clock signal is imaged equipment 3 and is pulled to 0 level, now, the voltage of the electrode input end of A1 is less than Vref, A1 output low level.In the time that first memory 11 detects that by control module 112 P3 port has level upset, represent that single staircase waveform completes, at this moment first memory 11 P2 are set to high-impedance state.
If determine, when described imaging device 3 need to be accessed described second memory 12, described first memory 11 stops or not communicating by letter with described imaging device 3, and P2 is made as to high-impedance state; Now, described second memory 12 collects default clock signal (dutycycle of default clock signal pulse width) on described clock line, uses described the second information and imaging device 3 to communicate, and work when does not affect clock signal pulse.
If while coupling, described first memory 11 does not all communicate with described imaging device 3 with second memory 12, and does not change the preset signals feature of signal transmission on described communication bus.
Those of ordinary skills should understand, the collection of described second memory 12 to clock signal, there is various ways, as gather the pulse width of clock signal, again such as gathering T1 to the level value of the clock signal of arbitrary particular moment between TH etc., if the level value collecting is Va, belong to low level scope, described second memory 12 does not collect default clock signal on described clock line.
In the embodiment of the present invention, first memory 11 is by assisting port P2 that clock signal is pulled into a level point Va(low level), and in the time that the lasting TH duration of high-pulse widths finishes, imaging device 3 is directly moved clock signal to 0 level, guarantee that first memory 11 pulls into clock signal by P2 the finish time of low level lasting duration T3, rising edge prior to the clock signal of imaging device 3 arrives, even when the pulse width of the clock signal that imaging device 3 sends or clock frequency change, also can stop in time dragging down clock signal.
Those of ordinary skills should understand, in the time that the timing of timer reaches T1, also can be by a level point Va La get Geng Gao, even in the time that clock signal high value is less than the value of power supply signal Vcc, can be suitable Va is moved to the high value that is greater than original clock signal, accordingly, only specific clock signal Acquisition Circuit need be set in second memory 12 to identify normal clock signal.In addition, the part or all of electronic component of described trailing edge acquisition cuicuit, can a part or whole part be integrated in described first memory 11, like this in trailing edge acquisition cuicuit just without voltage comparator A1 is set; Optionally, in the memory self with voltage comparator, can use the voltage comparator self having.
A structural representation again of the first memory that Fig. 7 provides for the embodiment of the present invention and the telecommunication circuit of imaging device.As shown in Figure 7, in the embodiment of the present invention, first memory 11 also comprises assists port P4, is connected to the control module 112 of first memory 11, and is connected to power line Vcc by I/O circuit 111, for changing the level of power supply signal in the default moment.
Described first memory 11 receives by I/O circuit 111 instruction that described imaging device 3 sends by described data wire DA.
Described first memory 11 judges by control module 112 whether the imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge 2 of storage in memory module 113.
If coupling, described first memory 11 is according to the access address in described instruction and access byte number, can know the range of information that described instruction is specifically related to, need to access described first memory 11 if determine described imaging device 3, described first memory 11 uses the described first information and imaging device 3 to communicate, and the level of power supply signal is pulled low to VccL, now, under the low-power consumption mode that described first memory 11 is VccL in driving voltage, work, when the predeterminated voltage value of the power supply signal that described second memory 12 does not collect on described power line Vcc, thereby described second memory 12 does not communicate with described imaging device 3.The method of the described level that drags down power supply signal can be: reduce the resistance between power line Vcc and ground wire GND;
If determine, when described imaging device 3 need to be accessed described second memory 12, described first memory 11 stops or not communicating by letter with described imaging device 3, and P4 is made as to high-impedance state; Now, when described second memory 12 collects the predeterminated voltage value of power supply signal on described power line Vcc, use described the second information and imaging device 3 to communicate;
If do not mate, described first memory does not communicate with described imaging device, and does not change the preset signals feature of signal transmission on described communication bus.
Be not very large because the size of Vcc and VccL differs, belong to analog signal, the identification of described second memory 12 to Vcc and VccL, can convert thereof into data signal by an analog-digital converter, then be identified by digital circuit.
The connection of circuit described in above embodiment is not formed in the restriction in concrete enforcement, physical circuit being connected.In addition, also can such as,, by changing the signal characteristic of signal transmission (instruction etc.) on data wire, realize in above-mentioned each method the synergism of communicating by letter between first memory and second memory.Because the signal transmitting in machine language is all data signal, signal only exists 1 or 0, it is low and high level two states, equally can be by the value that drags down high level as suitable in said method, or the method such as high impulse (high level) width in reduction instruction assists communicating by letter between described first memory and second memory, only corresponding preset signals Acquisition Circuit need be set on second memory identifies default signal.
Shown in Fig. 1 for storing the box chip 1 of imaging cartridge information, access in the process of first memory 11 at imaging device 3 by first memory 11, change the preset signals feature of signal transmission on communication bus, make second memory 12 cannot collect preset signals feature, thereby do not communicate with imaging device 3, realized between first memory 11 and second memory 12 and cooperated and respond the instruction of imaging device 3.Another kind of feasible implementation is: by first memory 11 and second memory are configured, definite imaging device 3 make first memory 11 in the time that need to be accessed second memory 11, before imaging device 3 is accessed second memory 12, the signal characteristic of signal transmission on described communication bus is changed into preset signals feature, make second memory 12 can collect preset signals feature, and in the time collecting preset signals feature, use the second information and imaging device 3 to communicate, equally, also can realize between first memory 11 and second memory 12 and cooperate and respond the instruction of imaging device 3.
The structural representation of the imaging cartridge that Fig. 8 provides for the embodiment of the present invention.As shown in Figure 8, the imaging cartridge 8 that the embodiment of the present invention provides, can be installed to imaging device, described imaging cartridge 8 comprises the box chip 81 for storing imaging cartridge information, wherein: described box chip 81 can adopt that above-mentioned any embodiment provides for storing the box chip of imaging cartridge information.
The flow chart of the communication means that Fig. 9 provides for the embodiment of the present invention.The box chip for storing imaging cartridge information that described method can be provided by above-mentioned any embodiment is carried out, and can be applied to communicating by letter of imaging device and box chip for storing imaging cartridge information, and described imaging cartridge can be installed to described imaging device; Described box chip at least comprises first memory and second memory; Described first memory and second memory use same communication bus and described imaging device to communicate, and described communication bus at least comprises power line, clock line and data wire; Described first memory, for storing identifying information and the first information of described imaging cartridge; Described second memory, for storing the second information of described imaging cartridge; The described first information and the second information are stored according to default addressing rule respectively; Wherein, described method comprises:
901, described first memory receives the instruction that described imaging device sends by described data wire; Forward step 902 to;
902, judge whether the imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge of storing in described first memory: if coupling forwards step 903 to; If do not mate, forward step 904 to;
903, described first memory is according to the access address in described instruction and access byte number, definite described imaging device judges whether described imaging device needs to access described first memory and/or described second memory: if need to be accessed described first memory, access in the process of described first memory at described imaging device, change the preset signals feature of signal transmission on described communication bus; And/or, if definite described imaging device need to be accessed described second memory,, in the time that described imaging device need to be accessed described second memory, do not change the preset signals feature of signal transmission on described communication bus;
Described second memory receives described instruction, and gathers the signal characteristic of signal transmission on described communication bus; If while collecting described preset signals feature, according to described instruction, use described the second information and described imaging device to communicate; If do not collect described preset signals feature, do not communicate with described imaging device.
904, described first memory does not communicate with described imaging device, and does not change the preset signals feature of signal transmission on described communication bus;
Optionally, in described second memory, store the identifying information of described imaging cartridge; Described second memory receives described instruction, and gathers the signal characteristic of signal transmission on described communication bus, comprising:
Described second memory receives described instruction, and judge whether the imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge of storing in described second memory, and in the time determining that imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge of storing in described second memory, gather the signal characteristic of signal transmission on described communication bus.
Optionally, described signal characteristic comprise following at least one: the dutycycle of signal, signal are at the level value in default moment.
Optionally, the described first information comprises and can rewrite information; Described the second information comprises can not rewrite information; Described first memory comprises rewritable memory, and the described first information is stored in described rewritable memory; Described second memory comprises not rewritable memory, described in described the second information is stored in not rewritable memory.
In communication means shown in above-mentioned Fig. 9, access in the process of first memory at imaging device by first memory, change the preset signals feature of signal transmission on communication bus, make second memory cannot collect preset signals feature, thereby do not communicate with imaging device, realized between first memory and second memory and cooperated and respond the instruction of imaging device.Another kind of feasible communication means is: by first memory and second memory are configured, definite imaging device make first memory in the time that need to be accessed second memory, before imaging device access second memory, the signal characteristic of signal transmission on described communication bus is changed into preset signals feature, make second memory can collect preset signals feature, and in the time collecting preset signals feature, use the second information and imaging device to communicate, equally, also can realize between first memory and second memory and cooperate and respond the instruction of imaging device.
In addition, owing to can there is the imaging cartridge of multiple colors as color-image forming apparatus, therefore also may there are multiple corresponding memory set, for being not be used in, multiple second memories in the plurality of memory set carry out the judgement of box identifying information, thereby make structure simpler, can the signal on communication bus be changed to preset signals by the first memory in each color memory group, if: the first memory of indigo imaging cartridge (C) is judging that from the instruction receiving imaging device is will read the second memory of imaging cartridge C time, the signal of the transmission of communication bus is changed over to signal a, and the second memory of imaging cartridge C is communicated by letter with imaging device collect signal a on communication bus time, same, the first memory of carmetta imaging cartridge (M) from receive instruction judge that imaging device is will read the second memory of imaging cartridge M time, the signal of the transmission of communication bus is changed over to signal b, and the second memory of imaging cartridge M is communicated by letter collect signal b on communication bus time with imaging device.The second memory of each like this color is identified specific signal characteristic, and need not carry out and the judgement of identifying information.Those of ordinary skills should be understood that the described process by the signal change preset signals on communication bus can be realized by the first memory in certain particular color imaging cartridge memory set, also can be realized by the first memory of multiple color imaging cartridges.
In several embodiment provided by the present invention, should be understood that disclosed apparatus and method can realize by another way.For example, device embodiment described above is only schematic, for example, the division of described unit, be only that a kind of logic function is divided, when actual realization, can have other dividing mode, for example multiple unit or assembly can in conjunction with or can be integrated into another system, or some features can ignore, or do not carry out.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, INDIRECT COUPLING or the communication connection of device or unit can be electrically, machinery or other form.
The described unit as separating component explanation can or can not be also physically to separate, and the parts that show as unit can be or can not be also physical locations, can be positioned at a place, or also can be distributed on multiple NEs.Can select according to the actual needs some or all of unit wherein to realize the object of the present embodiment scheme.
In addition, the each functional unit in each embodiment of the present invention can be integrated in a processing unit, can be also that the independent physics of unit exists, and also can be integrated in a unit two or more unit.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form that also can adopt hardware to add SFU software functional unit realizes.
The integrated unit that the above-mentioned form with SFU software functional unit realizes, can be stored in a computer read/write memory medium.Above-mentioned SFU software functional unit is stored in a storage medium, comprise that some instructions (can be personal computers in order to make a computer equipment, server, or the network equipment etc.) or processor (processor) carry out the part steps of method described in each embodiment of the present invention.And aforesaid storage medium comprises: various media that can be program code stored such as USB flash disk, portable hard drive, read-only storage (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disc or CDs.
Those skilled in the art can be well understood to, for convenience and simplicity of description, only be illustrated with the division of above-mentioned each functional module, in practical application, can above-mentioned functions be distributed and completed by different functional modules as required, be divided into different functional modules by the internal structure of device, to complete all or part of function described above.The specific works process of the device of foregoing description, can, with reference to the corresponding process in preceding method embodiment, not repeat them here.
Finally it should be noted that: above each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.

Claims (12)

1. for storing a box chip for imaging cartridge information, at least comprise first memory and second memory; Described first memory and second memory use same communication bus and imaging device to communicate, and described communication bus at least comprises power line, clock line and data wire; Described first memory, for storing identifying information and the first information of described imaging cartridge; Described second memory, for storing the second information of described imaging cartridge; Wherein, the described first information and the second information are stored according to default addressing rule respectively; It is characterized in that,
Described first memory, the instruction also sending by described data wire for receiving described imaging device, and judge whether the imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge of storing in described first memory:
If coupling, described first memory is according to the access address in described instruction and access byte number, definite described imaging device judges whether described imaging device needs to access described first memory and/or described second memory: if need to be accessed described first memory, access in the process of described first memory at described imaging device, change the preset signals feature of signal transmission on described communication bus; If definite described imaging device need to be accessed described second memory,, in the time that described imaging device need to be accessed described second memory, do not change the preset signals feature of signal transmission on described communication bus;
If do not mate, described first memory does not communicate with described imaging device, and does not change the preset signals feature of signal transmission on described communication bus;
Described second memory, also for receiving described instruction, and gathers the signal characteristic of signal transmission on described communication bus; If collect described preset signals feature, according to described instruction, use described the second information and described imaging device to communicate; If do not collect described preset signals feature, do not communicate with described imaging device.
2. box chip according to claim 1, is characterized in that, described second memory, also for storing the identifying information of described imaging cartridge;
Described second memory, specifically for receiving described instruction, and judge whether the imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge of storing in described second memory, and in the time determining that imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge of storing in described second memory, gather the signal characteristic of signal transmission on described communication bus: if collect described preset signals feature, according to described instruction, use described the second information and described imaging device to communicate; If do not collect described preset signals feature, do not communicate with described imaging device.
3. box chip according to claim 1 and 2, is characterized in that,
Described signal characteristic comprise following at least one: the dutycycle of signal, signal are at the level value in default moment.
4. box chip according to claim 3, is characterized in that, the described first information comprises can rewrite information; Described the second information comprises can not rewrite information;
Described first memory comprises rewritable memory, and the described first information is stored in described rewritable memory; Described second memory comprises not rewritable memory, described in described the second information is stored in not rewritable memory.
5. for storing a box chip for imaging cartridge information, at least comprise first memory and second memory; Described first memory and second memory use same communication bus and imaging device to communicate, and described communication bus at least comprises power line, clock line and data wire; Described first memory, for storing identifying information and the first information of described imaging cartridge; Described second memory, for storing the second information of described imaging cartridge; Wherein, the described first information and the second information are stored according to default addressing rule respectively; It is characterized in that,
Described first memory, the instruction also sending by described data wire for receiving described imaging device, and judge whether the imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge of storing in described first memory:
If coupling, described first memory is according to the access address in described instruction and access byte number, judge whether described imaging device needs to access described first memory and/or described second memory: if definite described imaging device need to be accessed described first memory, use the described first information and described imaging device to communicate; If definite described imaging device need to be accessed described second memory,, before described imaging device is accessed described second memory, the signal characteristic of signal transmission on described communication bus is changed into preset signals feature;
If do not mate, described first memory does not communicate with described imaging device, and does not change the preset signals feature of signal transmission on described communication bus;
Described second memory, also for receiving described instruction, and gathers the signal characteristic of signal transmission on described communication bus; If while collecting described preset signals feature, according to described instruction, use described the second information and described imaging device to communicate; If while not collecting described preset signals feature, do not communicate with described imaging device.
6. an imaging cartridge, described imaging cartridge can be installed to imaging device, it is characterized in that, comprises the box chip as described in as arbitrary in claim 1-4.
7. an imaging cartridge, described imaging cartridge can be installed to imaging device, it is characterized in that, comprises box chip as claimed in claim 5.
8. a communication means, is characterized in that, is applied to communicating by letter of imaging device and box chip for storing imaging cartridge information, and described imaging cartridge can be installed to described imaging device; Described box chip at least comprises first memory and second memory; Described first memory and second memory use same communication bus and described imaging device to communicate, and described communication bus at least comprises power line, clock line and data wire; Described first memory, for storing identifying information and the first information of described imaging cartridge; Described second memory, for storing the second information of described imaging cartridge; Wherein, the described first information and the second information are stored according to default addressing rule respectively; Described method comprises:
Described first memory receives the instruction that described imaging device sends by described data wire, and judges whether the imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge of storing in described first memory:
If coupling, described first memory is according to the access address in described instruction and access byte number, definite described imaging device judges whether described imaging device needs to access described first memory and/or described second memory: if need to be accessed described first memory, access in the process of described first memory at described imaging device, change the preset signals feature of signal transmission on described communication bus; If definite described imaging device need to be accessed described second memory,, in the time that described imaging device need to be accessed described second memory, do not change the preset signals feature of signal transmission on described communication bus;
If do not mate, described first memory does not communicate with described imaging device, and does not change the preset signals feature of signal transmission on described communication bus;
Described second memory receives described instruction, and gathers the signal characteristic of signal transmission on described communication bus; If while collecting described preset signals feature, according to described instruction, use described the second information and described imaging device to communicate; If do not collect described preset signals feature, do not communicate with described imaging device.
9. method according to claim 8, is characterized in that, also comprises: described second memory is also stored the identifying information of described imaging cartridge;
Described second memory receives described instruction, and gathers the signal characteristic of signal transmission on described communication bus, comprising:
Described second memory receives described instruction, and judge whether the imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge of storing in described second memory, and in the time determining that imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge of storing in described second memory, gather the signal characteristic of signal transmission on described communication bus.
10. method according to claim 8 or claim 9, is characterized in that,
Described signal characteristic comprise following at least one: the dutycycle of signal, signal are at the level value in default moment.
11. methods according to claim 10, is characterized in that, the described first information comprises can rewrite information; Described the second information comprises can not rewrite information;
Described first memory comprises rewritable memory, and the described first information is stored in described rewritable memory; Described second memory comprises not rewritable memory, described in described the second information is stored in not rewritable memory.
12. 1 kinds of communication means, is characterized in that, are applied to communicating by letter of imaging device and box chip for storing imaging cartridge information, and described imaging cartridge can be installed to described imaging device; Described box chip at least comprises first memory and second memory; Described first memory and second memory use same communication bus and described imaging device to communicate, and described communication bus at least comprises power line, clock line and data wire; Described first memory, for storing identifying information and the first information of described imaging cartridge; Described second memory, for storing the second information of described imaging cartridge; Wherein, the described first information and the second information are stored according to default addressing rule respectively; Described method comprises:
Described first memory receives the instruction that described imaging device sends by described data wire, and judges whether the imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge of storing in described first memory:
If coupling, described first memory is according to the access address in described instruction and access byte number, judge whether described imaging device needs to access described first memory and/or described second memory: if definite described imaging device need to be accessed described first memory, use the described first information and described imaging device to communicate; If definite described imaging device need to be accessed described second memory,, before described imaging device is accessed described second memory, the signal characteristic of signal transmission on described communication bus is changed into preset signals feature;
If do not mate, described first memory does not communicate with described imaging device, and does not change the preset signals feature of signal transmission on described communication bus;
Described second memory receives described instruction, and gathers the signal characteristic of signal transmission on described communication bus; If while collecting described preset signals feature, according to described instruction, use described the second information and described imaging device to communicate; If do not collect described preset signals feature, do not communicate with described imaging device.
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