CN203455833U - E[2]PROM data programming circuit and device - Google Patents
E[2]PROM data programming circuit and device Download PDFInfo
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- CN203455833U CN203455833U CN201320420903.6U CN201320420903U CN203455833U CN 203455833 U CN203455833 U CN 203455833U CN 201320420903 U CN201320420903 U CN 201320420903U CN 203455833 U CN203455833 U CN 203455833U
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Abstract
The utility model discloses an E[2]PROM data programming circuit and device. The E[2]PROM data programming circuit comprises a control chip, a master slice E[2]PROM data storage unit, an E[2]PROM data programming interface unit used for being electrically connected with an E[2]PROM device to be programmed, and a power unit used for supplying power. The signal input end of the control chip is electrically connected with the master slice E[2]PROM data storage unit, and the signal output end of the control chip is connected with the E[2]PROM data programming interface unit; in the process of E[2]PROM data programming, the control chip reads E[2]PROM data stored in the master slice E[2]PROM data storage unit and outputs the read E[2]PROM data to the E[2]PROM device to be programmed through the E[2]PROM data programming interface unit. The E2PROM data programming circuit and device reduce the operation difficulty of changing air conditioner system parameters.
Description
Technical field
The utility model relates to air-conditioning technical field, particularly a kind of E2PROM data programming circuit and device.
Background technology
In order to improve the versatility of air-conditioning master control borad, at present substantially on all air-conditioning control panel, be all provided with main control MCU chip and E2PROM pin-saving chip.Wherein, main control MCU chip is for storage and operation primary control program, and E2PROM pin-saving chip is for storing the correlation parameter of type, and the parameter value by change E2PROM pin-saving chip, can make a master control borad be applicable to different type of machines.And region user's demand also can cause changing air-conditioning system parameter.For example, when needs make transducer air conditioning realize best refrigeration and heating effect, need to change air-conditioning system parameter, to improve refrigeration, to heat compressor operating frequency; When making transducer air conditioning realize best muting function, need to change air-conditioning system parameter, to reduce refrigeration, to heat compressor operating frequency; Simultaneously because the needs of system maintenance also may be changed systematic parameter.
Therefore in air-conditioning system use procedure, inevitably can require to change systematic parameter, while changing systematic parameter at present, need dismantle E2PROM pin-saving chip, re-start programming; Or carry out programming again by special-purpose E2PROM fever writes, computing machine and special-purpose port translation line.Dismounting E2PROM pin-saving chip, the complex operation of programming method again, workload is larger, easily damages air conditioner circuit, is not suitable for needing the work of a large amount of programming E2PROM data.Use special-purpose E2PROM fever writes, computing machine and special-purpose port translation line to carry out programming method, need to use compared with multiple instruments, and rely on mains supply.And air-conditioner outdoor unit is positioned over outdoor high empty position more, maintenance personal is comparatively inconvenience of operation when carrying out maintenance operation.Because the operation easier of above-mentioned two kinds of change air-conditioner system parameter schemes is larger, be not easy to the maintenance of air-conditioning system.
Utility model content
Fundamental purpose of the present utility model is to provide a kind of E2PROM data programming circuit, is intended to reduce the difficulty of change air-conditioner system parameter operation.
To achieve these goals, the utility model provides a kind of E2PROM data programming circuit, described E2PROM data programming circuit comprises control chip, master slice E2PROM data storage cell, for E2PROM data programming interface unit and the power supply unit for powering with treating that programming E2PROM device is electrically connected to, wherein, the signal input part of control chip is electrically connected to described master slice E2PROM data storage cell, and signal output part is connected with described E2PROM data programming interface unit; When carrying out the programming of E2PROM data, control chip reads the E2PROM data of storing in master slice E2PROM data storage cell, and the E2PROM data that read are exported to and treated programming E2PROM device by E2PROM data programming interface unit.
Preferably, described E2PROM data programming circuit also comprises by key control unit, describedly by key control unit, is electrically connected to described control chip; Described control chip is analyzed corresponding operational order according to the push button signalling of inputting by key control unit, and carries out corresponding operation according to described operational order.
Preferably, described E2PROM data programming circuit also comprises display unit, and described display unit is electrically connected to described control chip, and described control chip exports current E2PROM data programming step and result to display unit, for display unit, shows.
Preferably, described display unit comprises some LED charactrons and the corresponding drive sub-circuits that is provided for driving charactron demonstration.
Preferably, described master slice E2PROM data storage cell comprise master slice E2PROM pin-saving chip, the first resistance, the second resistance, the first electric capacity and with the first Connection Block of described master slice E2PROM pin-saving chip adaptation, wherein the memory size of master slice E2PROM pin-saving chip with described in treat that the memory size of the E2PROM pin-saving chip in programming E2PROM device is consistent; The clock transfer pin of described master slice E2PROM pin-saving chip is electrically connected to described control chip, and is connected with the positive output end of power supply unit by the first resistance; The data transmission pin of master slice E2PROM pin-saving chip is electrically connected to described control chip, and is connected with the positive output end of power supply unit by the second resistance; The first address input pin of master slice E2PROM pin-saving chip, the second address input pin, the 3rd address input pin with connect pin and be all connected with the negative output terminal of described power supply unit; The power pins of master slice E2PROM pin-saving chip is connected with described power supply unit positive output end; One end of described the first electric capacity is connected with described power supply unit positive output end, and the other end is connected with described power supply unit negative output terminal.
Preferably, described E2PROM data programming interface unit comprises the 3rd resistance, the 4th resistance, the second electric capacity and the second Connection Block, on described the second Connection Block, be provided with successively the first pin, the second pin, the 3rd pin, the 4th pin and the 5th pin, wherein said the first pin is connected with the positive output end of described power supply unit, and be connected with the second pin by the second electric capacity, by the 3rd resistance, be connected with the 3rd pin, by the 4th resistance, be connected with the 4th pin; Described the second pin is all connected with the negative output terminal of described power supply unit with the 5th pin; Described the 3rd pin is connected with described control chip respectively with the 4th pin.
The utility model also provides a kind of E2PROM data programming device, described E2PROM data programming device comprises E2PROM data programming circuit, described E2PROM data programming circuit comprises control chip, master slice E2PROM data storage cell, for E2PROM data programming interface unit and the power supply unit for powering with treating that programming E2PROM device is electrically connected to, wherein, the signal input part of control chip is electrically connected to described master slice E2PROM data storage cell, and signal output part is connected with described E2PROM data programming interface unit; When carrying out the programming of E2PROM data, control chip reads the E2PROM data of storing in master slice E2PROM data storage cell, and the E2PROM data that read are exported to and treated programming E2PROM device by E2PROM data programming interface unit.
The utility model is by arranging one for receiving the master slice E2PROM data storage cell of the new parameter of special-purpose E2PROM device data fever writes programming, then by control chip, read the data in master slice E2PROM data storage cell, and the data that read are exported to and treated in programming E2PROM device by E2PROM data programming interface unit, thereby complete the programming operation for the treatment of programming E2PROM device.Therefore the utility model only needs, by special-purpose E2PROM device data fever writes, master slice E2PROM data storage cell is carried out once to new parameter programming and operates, then by the realization of E2PROM data programming circuit, treat programming E2PROM device and carry out programming, therefore can reduce the operation easier for the treatment of the programming of programming E2PROM device, reduced the difficulty of change air-conditioner system parameter operation, thus the convenient maintenance to air-conditioning system.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model E2PROM data programming circuit one embodiment;
Fig. 2 is the electrical block diagram of master slice E2PROM data storage cell in Fig. 1;
Fig. 3 is the electrical block diagram of E2PROM data programming interface unit in Fig. 1.
The realization of the utility model object, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The utility model provides a kind of E2PROM data programming circuit.
See figures.1.and.2, Fig. 1 is the structural representation of the utility model E2PROM data programming circuit one embodiment, and Fig. 2 is the electrical block diagram of master slice E2PROM data storage cell in Fig. 1.The E2PROM data programming circuit that the present embodiment provides comprise control chip 10, master slice E2PROM data storage cell 20, for treat E2PROM data programming interface unit 30 that programming E2PROM device is electrically connected to and the power supply unit 40 for powering, wherein, the signal input part of control chip 10 is electrically connected to described master slice E2PROM data storage cell 20, and signal output part is connected with described E2PROM data programming interface unit 30; When carrying out the programming of E2PROM data, control chip 10 reads the E2PROM data of storage in master slice E2PROM data storage cell 20, and the E2PROM data that read are exported to and treated programming E2PROM device by E2PROM data programming interface unit 30.
In the present embodiment, above-mentionedly treat that programming E2PROM device can be the air-conditioning control panel in air-conditioning system, this air-conditioning control panel is provided with main control MCU chip and E2PROM pin-saving chip; In above-mentioned master slice E2PROM data storage cell 20, be provided with a master slice E2PROM pin-saving chip 201, the memory size size of this master slice E2PROM pin-saving chip 201 is consistent with the memory size for the treatment of the E2PROM pin-saving chip in programming E2PROM device.Above-mentioned power supply unit 40 for the power supply of operating voltage is provided for master slice E2PROM pin-saving chip 201, for example, can adopt battery to power.
When programming, can be first by special-purpose E2PROM device data fever writes new parameter programming in the master slice E2PROM pin-saving chip 201 in master slice E2PROM data storage cell 20; Then by E2PROM data programming interface unit 30, be connected with treating programming E2PROM device, on the basis of power supply unit 40 power supplies, by control chip 10, read master slice E2PROM pin-saving chip 201 interior by the data of programming, and the data that read are exported to and treated programming E2PROM device by E2PROM data programming interface unit 30, thereby complete the programming operation for the treatment of programming E2PROM device.
The utility model is by arranging one for receiving the master slice E2PROM data storage cell 20 of the new parameter of special-purpose E2PROM device data fever writes programming, then by control chip 10, read the data in master slice E2PROM data storage cell 20, and the data that read are exported to and treated in programming E2PROM device by E2PROM data programming interface unit 30, thereby complete the programming operation for the treatment of programming E2PROM device.Therefore the utility model only needs, by special-purpose E2PROM device data fever writes, master slice E2PROM data storage cell 20 is carried out once to new parameter programming and operates, then by the realization of E2PROM data programming circuit, treat programming E2PROM device and carry out programming, therefore can reduce the operation easier for the treatment of the programming of programming E2PROM device, reduced the difficulty of change air-conditioner system parameter operation, thus the convenient maintenance to air-conditioning system.
Further, based on above-described embodiment, in the present embodiment, above-mentioned E2PROM data programming circuit also comprises by key control unit 50, describedly by key control unit 50, is electrically connected to described control chip 10; Described control chip 10 is analyzed corresponding operational order according to the push button signalling of inputting by key control unit 50, and carries out corresponding operation according to described operational order.
In the present embodiment, the quantity of above-mentioned button can arrange according to actual needs, for example can arrange one and start to carry out programming by key control control chip 10, a button is set control chip 10 is carried out to reset operation, arrange one and stop carrying out programming etc. by key control control chip 10.In the present embodiment, different from the duty of key control control chip 10 by arranging by key control unit 50, thus be conducive to control programming state, improve the success ratio of programming.
Further, based on above-described embodiment, in the present embodiment, above-mentioned E2PROM data programming circuit also comprises display unit 60, described display unit 60 is electrically connected to described control chip 10, described control chip 10 exports current E2PROM data programming step and result to display unit 60, for display unit 60, shows.
Particularly, above-mentioned display unit 60 concrete structures can arrange according to actual needs, for example, can adopt LED charactron to show, also can adopt LCDs to show.In the present embodiment, preferably, can adopt LED charactron to show, above-mentioned display unit comprises some LED charactrons and the corresponding drive sub-circuits that is provided for driving charactron demonstration.Due to display unit being set, carry out the demonstration of E2PROM data programming step and result, so user can find out the state of current programming more intuitively.
Particularly, above-mentioned master slice E2PROM data storage cell 20 comprise master slice E2PROM pin-saving chip 201, the first resistance R 1, the second resistance R 2, the first capacitor C 1 and with the first Connection Block (not shown) of described master slice E2PROM pin-saving chip adaptation, wherein the memory size of master slice E2PROM pin-saving chip 201 with described in treat that the memory size of the E2PROM pin-saving chip in programming E2PROM device is consistent; The clock transfer pin (6) of described master slice E2PROM pin-saving chip 201 is electrically connected to described control chip 10, and is connected with the positive output end (VCC) of power supply unit 40 by the first resistance R 1; The data transmission pin (5) of master slice E2PROM pin-saving chip 201 is electrically connected to described control chip 10, and is connected with the positive output end of power supply unit 40 by the second resistance R 2; The first address input pin (1) of master slice E2PROM pin-saving chip 201, the second address input pin (2), the 3rd address input pin (3), connect pin (4) and control pin (7) and be all connected with the negative output terminal (GND) of described power supply unit 40 with writing; The power pins (8) of master slice E2PROM pin-saving chip 201 is connected with described power supply unit 40 positive output ends; One end of described the first capacitor C 1 is connected with described power supply unit 40 positive output ends, and the other end is connected with described power supply unit 40 negative output terminals.
In conjunction with reference to Fig. 3, Fig. 3 is the electrical block diagram of E2PROM data programming interface unit in Fig. 1.In the present embodiment, above-mentioned E2PROM data programming interface unit 30 comprises the 3rd resistance R 3, the 4th resistance R 4, the second capacitor C 2 and the second Connection Block 301, on described the second Connection Block 301, be provided with successively the first pin, the second pin, the 3rd pin, the 4th pin and the 5th pin, wherein said the first pin is connected with the positive output end of described power supply unit 40, and be connected with the second pin by the second capacitor C 2, by the 3rd resistance R 3, be connected with the 3rd pin, by the 4th resistance R 4, be connected with the 4th pin; Described the second pin is all connected with the negative output terminal of described power supply unit 40 with the 5th pin; Described the 3rd pin is connected with described control chip 10 respectively with the 4th pin.
When programming E2PROM device is normally connected with E2PROM data programming interface unit 30, power supply unit 40 forms electric power loop by the first pin and the 5th pin and powers for treating programming E2PROM device.In programming process, first by control chip 10, by clock transfer pin and the data transmission pin of master slice E2PROM pin-saving chip 201, to master slice E2PROM pin-saving chip 201, input the fetch programs, thereby it is interior by the data of programming to read master slice E2PROM pin-saving chip 201.Then in the mode writing, by the 3rd pin and the 4th pin, the data that read are write in the E2PROM pin-saving chip for the treatment of programming E2PROM device, thereby complete the programming operation for the treatment of programming E2PROM device.
The utility model also provides a kind of E2PROM data programming device, and this E2PROM data programming device comprises E2PROM data programming circuit, and the structure of this E2PROM data programming circuit can, with reference to above-described embodiment, not repeat them here.Naturally, because the E2PROM data programming device of the present embodiment has adopted the technical scheme of above-mentioned E2PROM data programming circuit, so this E2PROM data programming device has all beneficial effects of above-mentioned E2PROM data programming circuit.
These are only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model instructions and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (7)
1. an E
2pROM data programming circuit, is characterized in that, comprises control chip, master slice E
2pROM data storage cell, for treat programming E
2the E that PROM device is electrically connected to
2pROM data programming interface unit and the power supply unit for powering, wherein, the signal input part of control chip and described master slice E
2pROM data storage cell is electrically connected to, signal output part and described E
2pROM data programming interface unit connects; When carrying out E
2during the programming of PROM data, control chip reads master slice E
2the E storing in PROM data storage cell
2pROM data, and by the E reading
2pROM data are passed through E
2pROM data programming interface unit exports to treats programming E
2pROM device.
2. E as claimed in claim 1
2pROM data programming circuit, is characterized in that, also comprises by key control unit, and the described key control unit of pressing is electrically connected to described control chip; Described control chip is analyzed corresponding operational order according to the push button signalling of inputting by key control unit, and carries out corresponding operation according to described operational order.
3. E as claimed in claim 1
2pROM data programming circuit, is characterized in that, also comprises display unit, and described display unit is electrically connected to described control chip, and described control chip is by current E
2pROM data programming step and result export display unit to, for display unit, show.
4. E as claimed in claim 3
2pROM data programming circuit, is characterized in that, described display unit comprises some LED charactrons and the corresponding drive sub-circuits that is provided for driving charactron demonstration.
5. the E as described in any one in claim 1 to 4
2pROM data programming circuit, is characterized in that, described master slice E
2pROM data storage cell comprises master slice E
2pROM pin-saving chip, the first resistance, the second resistance, the first electric capacity and with described master slice E
2the first Connection Block of PROM pin-saving chip adaptation, wherein master slice E
2the memory size of PROM pin-saving chip with described in treat programming E
2e in PROM device
2the memory size of PROM pin-saving chip is consistent; Described master slice E
2the clock transfer pin of PROM pin-saving chip is electrically connected to described control chip, and is connected with the positive output end of power supply unit by the first resistance; Master slice E
2the data transmission pin of PROM pin-saving chip is electrically connected to described control chip, and is connected with the positive output end of power supply unit by the second resistance; Master slice E
2the first address input pin of PROM pin-saving chip, the second address input pin, the 3rd address input pin, connect pin and control pin and be all connected with the negative output terminal of described power supply unit with writing; Master slice E
2the power pins of PROM pin-saving chip is connected with described power supply unit positive output end; One end of described the first electric capacity is connected with described power supply unit positive output end, and the other end is connected with described power supply unit negative output terminal.
6. the E as described in any one in claim 1 to 4
2pROM data programming circuit, is characterized in that described E
2pROM data programming interface unit comprises the 3rd resistance, the 4th resistance, the second electric capacity and the second Connection Block, on described the second Connection Block, be provided with successively the first pin, the second pin, the 3rd pin, the 4th pin and the 5th pin, wherein said the first pin is connected with the positive output end of described power supply unit, and be connected with the second pin by the second electric capacity, by the 3rd resistance, be connected with the 3rd pin, by the 4th resistance, be connected with the 4th pin; Described the second pin is all connected with the negative output terminal of described power supply unit with the 5th pin; Described the 3rd pin is connected with described control chip respectively with the 4th pin.
7. an E
2pROM data programming device, is characterized in that, comprises E as described in any one in claim 1 to 6
2pROM data programming circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320420903.6U CN203455833U (en) | 2013-07-15 | 2013-07-15 | E[2]PROM data programming circuit and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320420903.6U CN203455833U (en) | 2013-07-15 | 2013-07-15 | E[2]PROM data programming circuit and device |
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| Publication Number | Publication Date |
|---|---|
| CN203455833U true CN203455833U (en) | 2014-02-26 |
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ID=50135694
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320420903.6U Expired - Fee Related CN203455833U (en) | 2013-07-15 | 2013-07-15 | E[2]PROM data programming circuit and device |
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| CN (1) | CN203455833U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105722014A (en) * | 2016-02-04 | 2016-06-29 | 海信（山东）空调有限公司 | EEPROM (Electrically Erasable Programmable Read-Only memory) data burning method and device |
| CN106445607A (en) * | 2016-09-30 | 2017-02-22 | 深圳创维空调科技有限公司 | Universal main board for reducing number of air conditioner external unit main board types and programming method of universal main board |
| CN107015832A (en) * | 2017-04-13 | 2017-08-04 | 四川长虹电器股份有限公司 | The method of compressor parameter configuration |
-
2013
- 2013-07-15 CN CN201320420903.6U patent/CN203455833U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105722014A (en) * | 2016-02-04 | 2016-06-29 | 海信（山东）空调有限公司 | EEPROM (Electrically Erasable Programmable Read-Only memory) data burning method and device |
| CN106445607A (en) * | 2016-09-30 | 2017-02-22 | 深圳创维空调科技有限公司 | Universal main board for reducing number of air conditioner external unit main board types and programming method of universal main board |
| CN106445607B (en) * | 2016-09-30 | 2019-10-11 | 深圳创维空调科技有限公司 | For reducing the general mainboard and its programming method of outdoor machine of air-conditioner mainboard model quantity |
| CN107015832A (en) * | 2017-04-13 | 2017-08-04 | 四川长虹电器股份有限公司 | The method of compressor parameter configuration |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20140226 Termination date: 20170715 |