CN102509140A - Composite memory card and realization method and terminal thereof - Google Patents
Composite memory card and realization method and terminal thereof Download PDFInfo
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- CN102509140A CN102509140A CN2011102885576A CN201110288557A CN102509140A CN 102509140 A CN102509140 A CN 102509140A CN 2011102885576 A CN2011102885576 A CN 2011102885576A CN 201110288557 A CN201110288557 A CN 201110288557A CN 102509140 A CN102509140 A CN 102509140A
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Abstract
The invention relates to a composite memory card. The composite memory card comprises a memory card controller, a memory card interface, a memory unit and a WiFi (Wireless Fidelity) communication unit, wherein the memory card interface and the memory unit are electrically connected with the memory card controller respectively; the WiFi communication unit is electrically connected with the memory card controller; the memory card controller is also used for predefining an operating command in a maximum usable logical address range of the memory unit to be a memory operating command and predefining an operating command greater than the maximum usable logical address range of the memory unit to be an operating command accessing to the WiFi communication unit. In addition, the invention also provides a realization method and a terminal of the composite memory card. According to the composite memory card as well as the realization method and terminal thereof, because the WiFi communication unit is integrated into the composite memory card, data can be transmitted through the memory card interface by using the predefined operating command so as to realize memory and WiFi communication without conflict on the memory function and the wireless communication function of the memory card; and the composite memory card can be directly applied to a common memory card terminal.
Description
[technical field]
The present invention relates to electronic device field, the terminal of particularly a kind of compound storage card and its implementation, the compound storage card of use.
[background technology]
Storage card is widely used in the present digital multimedia memory storage, like consumption electronic products such as digital camera, mobile phone, PDA, MP3/MP4 players.Storage card has multiple, like SD (Secure Digital, safe digital).Definition has standard-sized SD (Secure Digital Memory Card, safe digital card) card and undersized Micro SD card in the SD standard, and Micro SD card can transfer the SD card of standard through adapter to.WiFi (Wireless Fidelity, WiMAX) technology also widespread usage arrived in the electronic product, make equipment have network access capacity.
In traditional technology, have only the storage card of single memory function, or utilize the WiFi card of memory card interface design; But there is not memory function; And the unique memory card interface of occupied terminal because of WiFi visit all is the function of using always with storage read-write, is made troubles to user's use.
[summary of the invention]
Based on this, be necessary to provide a kind of compound storage card, can be user-friendly to.
A kind of compound storage card; Comprise memory card controller; The memory card interface and the storage unit that are electrically connected with said memory card controller respectively; Said compound storage card also comprises the WiFi communication unit that is electrically connected with said memory card controller; The operational order that said memory card controller also is used to be predefined in the maximum utilogic address realm of said storage unit is the storage operation instruction, and predefine is greater than the operational order of the maximum utilogic address realm of the said storage unit operational order for visit WiFi communication unit.
Preferably; Said WiFi communication unit comprises WiFi chip and the WiFi antenna that electricity links to each other; Said WiFi chip is electrically connected with said memory card controller; Said memory card controller basis is visited the WiFi chip greater than the operational order of the maximum utilogic address realm of said storage unit, and receives or send signal through said WiFi antenna.
Preferably, said storage unit is a Nand Flash storage block.
Preferably, said memory card interface is the SDIO interface, and corresponding said memory card controller is the SDIO interface controller, and said compound storage card satisfies the specification of standard SD card, Mini SD card or Micro SD card.
In addition, also be necessary to provide a kind of implementation method of compound storage card, can be user-friendly to.
A kind of implementation method of compound storage card may further comprise the steps:
Memory card controller, memory card interface, storage unit and WiFi communication unit are provided;
Memory card controller is electrically connected with memory card interface, storage unit and WiFi communication unit respectively;
The operational order that is predefined in through memory card controller in the maximum utilogic address realm of said storage unit is the storage operation instruction, and is predefined in greater than the operational order of the maximum utilogic address realm of the said storage unit operational order for visit WiFi communication unit.
Preferably, also comprise step:
Memory card controller, storage unit and WiFi communication unit be packaged together form said compound storage card.
Preferably, also comprise step:
With WiFi chip and the WiFi antenna WiFi communication unit that is electrically connected to form;
The WiFi chip is electrically connected with memory card controller.
Preferably, said storage unit is a Nand Flash storage block.
Preferably, said memory card interface is the SDIO interface, and corresponding said memory card controller is the SDIO interface controller, and said compound storage card satisfies the specification of standard SD card, Mini SD card or Micro SD card.
In addition, also be necessary to provide a kind of terminal of using said memory card.
A kind of terminal; The middleware that the WiFi driver element is installed, the WiFi protocol data is carried out package and unpacks; Compound storage card is also loaded at said terminal; Said compound storage card comprises memory card controller; The memory card interface and the storage unit that are electrically connected with said memory card controller respectively; Said compound storage card also comprises the WiFi communication unit that is electrically connected with said memory card controller, and the operational order that said memory card controller also is used to be predefined in the maximum utilogic address realm of said storage unit is the storage operation instruction, and predefine is greater than the operational order of the maximum utilogic address realm of the said storage unit operational order for visit WiFi communication unit; Said terminal provides the two interfaces that let the user select the data of said storage unit are operated and visited said WiFi communication unit; Said terminal is stored data through memory card interface to said compound storage card according to the operational order in the maximum utilogic address realm of said storage unit; Also basis adopts the WiFi driver element through middleware and memory card interface visit WiFi communication unit greater than the operational order of the maximum utilogic address realm of said storage unit.
Preferably; Said WiFi communication unit comprises WiFi chip and the WiFi antenna that electricity links to each other; Said WiFi chip is electrically connected with said memory card controller; Said memory card controller basis is visited the WiFi chip greater than the operational order of the maximum utilogic address realm of said storage unit, and receives or send signal through said WiFi antenna.
Preferably, said storage unit is a Nand Flash storage block.
Preferably, said memory card interface is the SDIO interface, and corresponding said memory card controller is the SDIO interface controller, and said compound storage card satisfies the specification of standard SD card, Mini SD card or Micro SD card.
Above-mentioned compound storage card and its implementation, terminal; Through integrated WiFi communication unit in compound storage card, utilize predefined operational order, can transmit data through memory card interface; Storage and WiFi communication have been realized; Can not cause conflict, can directly use on the common memory card terminal, be user-friendly to the memory function and the radio communication function of compound storage card.
[description of drawings]
Fig. 1 is the inner structure synoptic diagram of compound storage card among the embodiment;
Fig. 2 is terminal and a compound storage card communication structure synoptic diagram among the embodiment;
Fig. 3 is the process flow diagram of the implementation method of compound storage card among the embodiment.
[embodiment]
Below in conjunction with concrete embodiment and accompanying drawing technical scheme is carried out detailed description.
As shown in Figure 1, in one embodiment, a kind of compound storage card 10 comprises memory card controller 110, storage unit 120, WiFi communication unit 130 and memory card interface 140.Wherein, memory card controller 110 is electrically connected with storage unit 120, WiFi communication unit 130 and memory card interface 140 respectively.
The operational order that memory card controller 110 is used to be predefined in the maximum utilogic address realm of storage unit 120 is the storage operation instruction, and predefine is greater than the operational order of the maximum utilogic address realm of storage unit 120 operational order for visit WiFi communication unit 130.
Operational order in the maximum utilogic address realm of storage unit 120 is meant when the user carries out the logic read-write operation that the logic read/write address does not surpass the instruction of the maximum storage address of storage unit 120, and this operational order is correct storage operation instruction.
Greater than the operational order of the maximum utilogic address realm of storage unit 120, be A like maximum utilogic address, can establish the operational order of the logical address of A+1, be the operational order of visit WiFi communication unit.
In addition, the data encapsulation that memory card controller 110 will outwards transmit becomes packet to transmit, and the packet that receives is resolved, and need not resolve the communications protocol of WiFi communication unit 130.
Storage unit 120 is an internal memory, is used to store data, is preferably Nand Flash storage block.
In one embodiment, join shown in Figure 1ly, WiFi communication unit 130 comprises the WiFi chip 132 and WiFi antenna 134 that electricity links to each other.WiFi chip 132 is electrically connected with memory card controller 110.Memory card controller 110 bases are visited WiFi chip 132 greater than the operational order of the maximum utilogic address realm of storage unit 120, and receive or send signal through WiFi antenna 134.
Memory card interface 140 is used for compound storage card 10 and carries out data transmission with the terminal.In the present embodiment, memory card interface 140 is the SDIO interface, and corresponding storage card controller 110 is the SDIO interface controller.In the present embodiment, compound storage card 10 satisfies the specification of standard SD card, Mini SD card or Micro SD card.
Integrated WiFi chip 132 and WiFi antenna 134 can transmit data through memory card interface 140 in the above-mentioned compound storage card 10, can not cause conflict to the memory function of compound storage card 10, can directly use on the common memory card terminal; And use the storage card pin, realized memory function and WiFi communication function, need not increase pin, have interface and encapsulation compatibility preferably; Utilize predefined operational order, realized storage and WiFi communication, network access functions is provided to the terminal.
Compound storage card is except can be Micro SD card, SD card or Mini SD card among the present invention; Also can be CF (Compact Flash) card, MMC (Multimedia Card; Multimedia card) card, MS (Memory Stick) card etc., these cards can and adopt method provided by the invention to realize storage and WIFI function through embedded WIFI communication unit.
As shown in Figure 2, a kind of terminal 20, the middleware that the WiFi driver element is installed, the WiFi protocol data is carried out package and unpacks.
Load compound storage card on the terminal 20.This compound storage card is the compound storage card 10 shown in Fig. 1.
Compound storage card 10 comprises memory card controller 110, storage unit 120, WiFi communication unit 130 and memory card interface 140.Wherein, memory card controller 110 is electrically connected with storage unit 120, WiFi communication unit 130 and memory card interface 140 respectively.
The operational order that memory controller 110 is used to be predefined in the maximum utilogic address realm of storage unit 120 is the storage operation instruction, and predefine is greater than the operational order of the maximum utilogic address realm of storage unit 120 operational order for visit WiFi communication unit 130.
Operational order in the maximum utilogic address realm of storage unit 120 is meant when the user carries out the logic read-write operation that the logic read/write address does not surpass the instruction of the maximum storage address of storage unit 120, and this operational order is correct storage operation instruction.
Greater than the operational order of the maximum utilogic address realm of storage unit 120, be A like maximum utilogic address, can establish the operational order of the logical address of A+1, be the operational order of visit WiFi communication unit.
In addition, memory controller 110 need not resolved the communications protocol of WiFi communication unit 130.
Storage unit 120 is a Nash Flash storage block, is used to store data.
In the preferred embodiment, WiFi communication unit 130 comprises the WiFi chip 132 and WiFi antenna 134 that electricity links to each other.WiFi chip 132 is electrically connected with memory card controller 110.Memory card controller 110 bases are visited WiFi chip 132 greater than the operational order of the maximum utilogic address realm of storage unit 120, and receive or send signal through WiFi antenna 134.
Memory card interface 140 is used for compound storage card 10 and carries out data transmission with the terminal.In the present embodiment, memory card interface 140 is the SDIO interface, and corresponding storage card controller 110 is the SDIO interface controller.In the present embodiment, compound storage card 10 satisfies the specification of standard SD card, Mini SD card or Micro SD card.
The WiFi driver element is through the WiFi communication unit 130 of middleware access stored card 10.
Middleware is used for the WiFi protocol data is carried out package or unpacks, and makes things convenient for WiFi driver element on the terminal 20 through memory card interface 140 (being the SDIO/SPI interface) visit WiFi communication unit 130.
Terminal 20 provides the two interfaces that let the user select the data of storage unit 120 are operated and visited WiFi communication unit 130.After compound storage card 10 is loaded at terminal 20; Two interfaces of the data of storage unit 120 being operated and visited WiFi communication unit 130 are provided, select, do not need the compound storage card of user's plug for the user; Replacing possesses the equipment of WiFi function and realizes the WiFi function, and is easy to operate.
Terminal 20 is stored data through memory card interface to compound storage card according to the operational order in the maximum utilogic address realm of storage unit 120; Also basis adopts the WiFi driver element through middleware and memory card interface visit WiFi communication unit 130 greater than the operational order of the maximum utilogic address realm of storage unit 120.
The user is through carrying out read-write operation in the maximum utilogic address realm of storage unit 120; Realization is to the read-write operation of storage unit 120; Execution is greater than the read-write operation in the maximum utilogic address realm of storage unit 120; Middleware is resolved this read-write operation, thereby realizes visit WiFi communication unit 130.
Compound storage card is except can be Micro SD card, SD card or Mini SD card; Also can be CF (Compact Flash) card, MMC (Multimedia Card; Multimedia card) card, MS (Memory Stick) card etc., these cards can and adopt method provided by the invention to realize storage and WIFI function through embedded WIFI communication unit.
As shown in Figure 3, in one embodiment, a kind of implementation method of compound storage card may further comprise the steps:
Step S310 provides memory card controller, memory card interface, storage unit and WiFi communication unit.
In the preferred embodiment, storage unit is a Nash Flash storage block.Memory card interface is used for compound storage card and data transmission is carried out at the terminal.In the present embodiment, memory card interface is the SDIO interface, and the corresponding storage card controller is the SDIO interface controller.Compound storage card satisfies the specification of standard SD card, Mini SD card or MicroSD card.
The implementation method of above-mentioned compound storage card also comprises step: with WiFi chip and the WiFi antenna WiFi communication unit that is electrically connected to form.
Step S320 is electrically connected memory card controller respectively with memory card interface, storage unit and WiFi communication unit.
By memory card controller respectively to storage unit and WiFi communication unit transmission signals.
When WiFi chip and WiFi antenna are electrically connected to form the WiFi communication unit, the WiFi chip is electrically connected with memory card controller.
Step S330; The operational order that is predefined in through memory card controller in the maximum utilogic address realm of this storage unit is the storage operation instruction, and is predefined in greater than the operational order of the maximum utilogic address realm of this storage unit operational order for visit WiFi communication unit.
After the predefined operation instruction, obtain corresponding operational order according to user's operation, and carry out corresponding operational order.Operational order according in the maximum utilogic address realm of storage unit is stored data to compound storage card, and also basis adopts visit WiFi communication unit greater than the operational order of the maximum utilogic address realm of storage unit.
Operational order in the maximum utilogic address realm of storage unit is meant when the user carries out the logic read-write operation that the logic read/write address does not surpass the instruction of the maximum storage address of storage unit, and this operational order is correct storage operation instruction.
Greater than the operational order of the maximum utilogic address realm of storage unit, be A like maximum utilogic address, can establish the operational order of the logical address of A+1, be the operational order of visit WiFi communication unit.
In the preferred embodiment, after step S320 or step S330, also comprise step: memory card controller, memory card interface, storage unit and WiFi communication unit are packaged together form this compound storage card.
Compound storage card is except can be Micro SD card, standard SD card or Mini SD card; Also can be CF (Compact Flash) card, MMC (Multimedia Card; Multimedia card) card, MS (Memory Stick) card etc., these cards can and adopt method provided by the invention to realize storage and WIFI function through embedded WIFI communication unit.
Said memory card and its implementation, terminal; Through integrated WiFi communication unit in compound storage card, utilize predefined operational order, can transmit data through memory card interface; Storage and WiFi communication have been realized; Can not cause conflict, can directly use on the common memory card terminal, be user-friendly to the memory function and the radio communication function of storage card.
The above embodiment has only expressed several kinds of embodiments of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the present invention's design, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with accompanying claims.
Claims (13)
1. compound storage card; Comprise memory card controller; The memory card interface and the storage unit that are electrically connected with said memory card controller respectively; It is characterized in that; Said compound storage card also comprises the WiFi communication unit that is electrically connected with said memory card controller, and the operational order that said memory card controller also is used to be predefined in the maximum utilogic address realm of said storage unit is the storage operation instruction, and predefine is greater than the operational order of the maximum utilogic address realm of the said storage unit operational order for visit WiFi communication unit.
2. compound storage card according to claim 1; It is characterized in that; Said WiFi communication unit comprises WiFi chip and the WiFi antenna that electricity links to each other; Said WiFi chip is electrically connected with said memory card controller, and said memory card controller basis is visited the WiFi chip greater than the operational order of the maximum utilogic address realm of said storage unit, and receives or send signal through said WiFi antenna.
3. compound storage card according to claim 1 is characterized in that, said storage unit is the NandFlash storage block.
4. according to each described compound storage card of claim 1 to 3; It is characterized in that; Said memory card interface is the SDIO interface, and corresponding said memory card controller is the SDIO interface controller, and said compound storage card satisfies the specification of standard SD card, Mini SD card or Micro SD card.
5. the implementation method of a compound storage card may further comprise the steps:
Memory card controller, memory card interface, storage unit and WiFi communication unit are provided;
Memory card controller is electrically connected with memory card interface, storage unit and WiFi communication unit respectively;
The operational order that is predefined in through memory card controller in the maximum utilogic address realm of said storage unit is the storage operation instruction, and is predefined in greater than the operational order of the maximum utilogic address realm of the said storage unit operational order for visit WiFi communication unit.
6. the implementation method of compound storage card according to claim 5 is characterized in that, also comprises step:
Memory card controller, memory card interface, storage unit and WiFi communication unit be packaged together form said compound storage card.
7. the implementation method of compound storage card according to claim 5 is characterized in that, also comprises step:
With WiFi chip and the WiFi antenna WiFi communication unit that is electrically connected to form;
The WiFi chip is electrically connected with memory card controller.
8. the implementation method of compound storage card according to claim 5 is characterized in that, said storage unit is a Nand Flash storage block.
9. according to the implementation method of each described compound storage card of claim 5 to 8; It is characterized in that; Said memory card interface is the SDIO interface; Corresponding said memory card controller is the SDIO interface controller, and said compound storage card satisfies the specification of standard SD card, Mini SD card or Micro SD card.
10. terminal; It is characterized in that; The middleware that the WiFi driver element is installed, the WiFi protocol data is carried out package and unpacks; Compound storage card is also loaded at said terminal; Said compound storage card comprises memory card controller, the memory card interface and the storage unit that are electrically connected with said memory card controller respectively, and said compound storage card also comprises the WiFi communication unit that is electrically connected with said memory card controller; The operational order that said memory card controller also is used to be predefined in the maximum utilogic address realm of said storage unit is the storage operation instruction, and predefine is greater than the operational order of the maximum utilogic address realm of the said storage unit operational order for visit WiFi communication unit; Said terminal provides the two interfaces that let the user select the data of said storage unit are operated and visited said WiFi communication unit; Said terminal is stored data through memory card interface to said compound storage card according to the operational order in the maximum utilogic address realm of said storage unit; Also basis adopts the WiFi driver element through middleware and memory card interface visit WiFi communication unit greater than the operational order of the maximum utilogic address realm of said storage unit.
11. terminal according to claim 10; It is characterized in that; Said WiFi communication unit comprises WiFi chip and the WiFi antenna that electricity links to each other; Said WiFi chip is electrically connected with said memory card controller, and said memory card controller basis is visited the WiFi chip greater than the operational order of the maximum utilogic address realm of said storage unit, and receives or send signal through said WiFi antenna.
12. terminal according to claim 10 is characterized in that, said storage unit is a Nand Flash storage block.
13. according to each described terminal of claim 10 to 12; It is characterized in that; Said memory card interface is the SDIO interface, and corresponding said memory card controller is the SDIO interface controller, and said compound storage card satisfies the specification of standard SD card, Mini SD card or Micro SD card.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102885576A CN102509140A (en) | 2011-09-26 | 2011-09-26 | Composite memory card and realization method and terminal thereof |
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| CN2011102885576A CN102509140A (en) | 2011-09-26 | 2011-09-26 | Composite memory card and realization method and terminal thereof |
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| CN104318301A (en) * | 2014-04-04 | 2015-01-28 | 广东翼卡车联网服务有限公司 | TF card having communication function |
| CN108415670A (en) * | 2014-01-14 | 2018-08-17 | 东芝存储器株式会社 | Storage device and semiconductor storage |
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Application publication date: 20120620 |