CN1710520A - Multifunction data storage device - Google Patents
Multifunction data storage device Download PDFInfo
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- CN1710520A CN1710520A CN 200410048145 CN200410048145A CN1710520A CN 1710520 A CN1710520 A CN 1710520A CN 200410048145 CN200410048145 CN 200410048145 CN 200410048145 A CN200410048145 A CN 200410048145A CN 1710520 A CN1710520 A CN 1710520A
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Abstract
The data storage device includes main controller module, interface module, memory module and power source module. Connected to interface module, memory module and power source module, the main controller module supports flow of data information, and coordinates operations of each module. Characters are that the disclosed device also includes a wireless send receive module. Connected to the main controller module, the wireless send receive module is in use for building wireless data transmission channel between multifunctional data storage device and external devices.
Description
Technical field
The present invention relates to data storage technology, especially relate to a kind of multi-functional data memory storage.
Background technology
Development for coupled computer and the storage demand of digitizing terminal electronic product, the data storage card that has occurred multiple different size in the market is as CF (Compact Flash Card), SM (SmartMedia Card), MMC (Multi Media Card), SD (Secure Digital), Memory Stick (memory stick) and Micro Drive (micro hard disk) etc.In general the data storage card of described prior art comprises interface module, controller, storage unit; Its middle controller connects and control interface module and storage unit; Interface module is used for data storage card is inserted electronic product; Storage unit is used to finish the storage of data.
Because this type of data storage card has gently, approaches, little, capacity big (capacity reaches lucky (G) byte magnitude at present), speed is very fast (as present up-to-date MMC4.0 standard, can allow the MMC interface rate reach 400Mbit/s) etc. advantage, therefore be widely used in consumer electronics products such as mobile phone, digital camera, PDA, the use of data storage card is comparatively general the digital equipment higher concerning rate request (as digital video camera etc.).
Though the data storage card of prior art is approved extensively by the user that as External memory equipment there is weak point in it, is mainly reflected in:
At first, the data storage card of prior art has the dependence to the terminal electronic products-hardware, the access that all needs the terminal electronic product to provide the hardware interface of certain specification just can finish data, and the increase of hardware interface increases its cost simultaneously with the space of occupied terminal electronic product;
Secondly, the data storage card of prior art can't be realized the real-time exchange of data between the different terminals electronic product, this is because the data storage card of prior art can not insert plural terminal electronic product simultaneously, therefore can't set up the data channel with a plurality of terminal electronic products simultaneously, realize the interconnected and resource Real-Time Sharing of terminal electronic product;
Secondly, the scope that the data storage card of prior art is used is relative with function single, has limitation; And then make between the different terminal electronic products data sharing and become comparatively complicated alternately;
Once more, the data storage card of prior art is not to be the standard configuration of computing machine a bit, can't be directly and the computing machine swap data, the computing machine storage card that will read and write data also must increase card reader and could realize, use complexity and increase extra spending, and card reader is difficult to compatible all mobile memory cards usually; In addition, the use of card reader is for the personage that portability is had relatively high expectations also comparatively inconvenience.
In addition, along with the increasing of quantity of information, the memory function that existing data storage card has merely can not satisfy the demands, as in order to prevent data by illegal copies, needs the certain encryption mechanism of configuration.
Summary of the invention
The technical matters that the present invention solves is to provide a kind of multi-functional data memory storage, can reduce the hardware-dependence of external unit and is easy to realize data sharing.
For this reason, the technical scheme of technical solution problem of the present invention is: a kind of multi-functional data memory storage is provided, comprises main controller module, interface module, memory storage phantom piece and power module; Described main controller module links to each other with power module with interface module, memory storage phantom piece, supports flowing and coordinating the work of each module of data message; Also comprise radio receiving transmitting module, described radio receiving transmitting module connects main controller module, is used to set up the wireless data transmission channel of the described multi-functional data memory storage and second external unit.
Wherein, described interface module is the multiplex interface module of storage data-interface and wireless data transmission interface.
Wherein, described main controller module comprise be used for to memory storage phantom piece carry out reading and writing data the memory body read-write control unit, be used for the interface control unit and the microprocessor that is connected and controls memory body read-write control unit, interface control unit of control interface module.
Wherein, described main controller module also comprises data enciphering/deciphering unit.
Wherein, described main controller module is the single one physical entity.
Wherein, described interface module is the combination of individual interface, a plurality of same-interface and/or a plurality of dissimilar interfaces.
Wherein, described interface module comprises SM, MMC, SD, CF, MS, USB, USBDP, MD and/or x-D.
Wherein, described memory storage phantom piece comprises flash memory, MRAM, DRAM, SDRAM, EEPROM, SRAM and/or EPROM.
Wherein, described radio receiving transmitting module comprises bluetooth transceiver module and/or radio frequency identification module.
Wherein, described power module is the differentiated control power module, and being used for provides at least two different output voltages from external power source and/or the self-powered electric power that draws.
With respect to prior art, the invention has the beneficial effects as follows:, can reduce dependence the hardware of external units such as terminal electronic product because the present invention has interface module and radio receiving transmitting module simultaneously.
Utilize interface module both can as the storage data-interface, can be used as the reusable characteristics of wireless data transmission interface again, adopt the radio receiving transmitting module that is connected with main controller module, make memory storage also can be used as carrier such as wireless telecommunications such as bluetooths, make and form wireless storage networking between the external unit easily, thereby wireless interconnected, data sharing function between the realization external unit, particularly embedded device (as MP3, digital camera etc.) realize real-time exchanges data.In addition, with respect to prior art radio receiving transmitting module is set in embedded device and realizes wireless interconnectedly, the present invention adopts the multi-functional data memory storage with radio receiving transmitting module, can greatly reduce the cost of embedded device.
In addition, (the standard USB interface power supply is+5V the USBDP interfacing of employing dual power supply, another road power supply is a LVPS), allow the embedded device of computing machine, low voltage interface (as the mobile phone of USB interface memory function, terminal devices such as MP3), under the situation of deferring to agreement of the same race (being usb protocol), realize flexible data interaction and sharing functionality by the multi-functional data memory storage.
When adopting the combination of a plurality of interfaces, also share memory storage phantom piece, the digital terminal equipment of realizing distinct interface does not need other conversion equipments deferring under the situation of different agreement separately, and the conventional data storage, flexible realization data interaction and sharing functionality.
Adopt the classification power management, equipment can be controlled the power supply of wireless module freely, when not needing the blue-teeth data transmission, turn-off the power supply of bluetooth module, particularly can improve power supply utilization rate, also avoid when carrying out data storage, having simultaneously the air interference of bluetooth module with battery powered embedded device.
In addition, owing to have data enciphering/deciphering unit in the main controller module, can realize the safe storage of data.
Description of drawings
Fig. 1 is the theory diagram of multi-functional data memory storage of the present invention;
Fig. 2 is the structured flowchart of multi-functional data memory storage first embodiment of the present invention;
Fig. 3 is the structured flowchart of multi-functional data memory storage second embodiment of the present invention;
Fig. 4 is the data storage process flow diagram of multi-functional data memory storage shown in Figure 3;
Fig. 5 is the data transmission flow process figure of multi-functional data memory storage shown in Figure 3;
Fig. 6 is the circuit theory diagrams of multi-functional data memory storage shown in Figure 3.
Embodiment
Multi-functional data memory storage of the present invention is used to realize the external memory function of data handling systems such as terminal electronic product or computing machine, can also realize wireless interconnected between the different external units (particularly embedded device), make can be flexible between the data handling system carry out data interaction and share.
Please refer to Fig. 1, is the theory diagram of multi-functional data memory storage embodiment of the present invention.Described multi-functional data memory storage comprises main controller module 1, interface module 2, memory storage phantom piece 3, radio receiving transmitting module 4 and classification power management module 5.Wherein, described main controller module 1 links to each other with interface module 2, memory storage phantom piece 3, radio receiving transmitting module 4, classification power module 5 with different interface shapes respectively, supports flowing and coordinating the work of each module of data message; Described interface module 2 is used to set up being connected of described multi-functional data memory storage and external units such as terminal electronic product; Described memory storage phantom piece 3 is used to store data; Described radio receiving transmitting module 4 is used to set up the wireless connections of external units such as described multi-functional data memory storage and terminal electronic product; Described classification power module 5 is used to the multi-functional data memory storage that working power is provided.
Control center's module that described main controller module 1 is a multi-functional data memory storage of the present invention.As the control core of multifunctional storage card, described main controller module 1 comprises memory body read-write control unit 12, interface control unit 11, microprocessor 13 and data enciphering/deciphering unit 14.Described main controller module 1 is single physical entity.
Wherein, described interface control unit 11 is used for docking port module 2 and carries out coordinating communication; Described memory body read-write control unit 12 is used for unified reading and writing data and the management that memory storage phantom piece 2 is carried out of finishing; Described enciphering/deciphering unit 14 can carry out enciphering/deciphering to the transmission data, can carry out selectable enciphering/deciphering data according to different patterns, and functions such as authentification of user management also are provided when being in the wireless receiving and dispatching working method; Described microprocessor 13 is finished whole control and co-ordination, is responsible for the protocol analysis of distinct interface, the computing of enciphering/deciphering etc.
Described interface module 2 refers to wired or contact interface, and its interface type includes but not limited to interfaces such as SM, MMC/SD, CF, MS, USB, MD and x-D.Both can be individual interface in the described interface module 2, also can be the combination of a plurality of same-interfaces and/or a plurality of dissimilar interfaces, each interface by separately based on interface protocol and different terminal electronic product connections.Described interface module 2 is multiplex interface modules of storage data-interface and wireless data transmission interface.
The major function of described memory storage phantom piece 3 is storing data files and various information, adopts semiconductor storage medium, includes but not limited to types such as flash memory, MRAM, DRAM, SDRAM, EEPROM, SRAM, EPROM.
Described radio receiving transmitting module 4 is mainly finished the transmitting-receiving work of wireless data, comprises the wireless communication type of no external antenna, as Buletooth (bluetooth), RFID (radio-frequency (RF) identification) etc.
Described classification power management module 5 can be from external power source and/or the self-powered electric power that draws, mainly obtain power supply from the outside by interface module, provide different output voltage to provide working power, adopt independent classify-controlling management for the power supply of radio receiving transmitting module 4 to multi-functional data memory storage of the present invention.For lines in the reduced graph, omitted the line of classification power management module 5 among Fig. 1 with other modules.
For the ease of the understanding of the present invention, describe below in conjunction with specific embodiment.
Please refer to Fig. 2, is the structured flowchart of the present invention's first specific embodiment.Wherein, described interface module 2 adopts the MMC interface; Described radio receiving transmitting module 4 adopts the bluetooth transceiver module.
Present embodiment multi-functional data memory storage can be by the data storage function of external units such as MMC interface realization terminal electronic product; Realize the security mechanism of data by the enciphering/deciphering unit 14 of data; In addition, present embodiment multi-functional data memory storage can also be realized interconnected between the bluetooth equipment by multiplexing MMC interface and bluetooth transceiver module, also can make external unit can pass through the wireless blue tooth extended storage capacity, promptly an external unit be except carrying out storage operation to the external multi-functional data memory storage of this machine, also can carry out read-write operation with the external multi-functional data memory storage of another external unit by wireless transmission.Two MP3 that have the multi-functional data memory storage for example, each self energy is play the song that carries in the multi-functional data memory storage, also can be by the song in radio play the other side multi-functional data memory storage.
Please refer to Fig. 3, is the structured flowchart of the present invention's second specific embodiment.
In the present embodiment, described interface module 2 employings and the MMC interface of depositing 21 and two voltage U SBDP (Universal Serial Bus Double Power) interface 22 of low thickness.Wherein, MMC interface 21 is deferred to the MMC4.0 standard; USBDP interface 22 meets the USB interface electrical specification, distinguish to some extent with USB interface on its physical size, removed the belt structural joint of metal that the Universal USB interface adopts, its circuit board itself just directly designs the low thickness USB interface, thereby reduce the thickness of multi-functional data memory device interface, but do not influence the exchanges data of the external unit of multi-functional data memory storage and employing standard USB interface.
The external unit that has MMC, USB the corresponding interface can conduct interviews by MMC interface 21 or 22 pairs of present embodiment multi-functional datas of USBDP interface memory storage.
Corresponding therewith, described interface control 11 comprises control 111 of MMC interface and USB interface control 112, respectively MMC interface signal, USB interface signal is handled, and finishes the conversion of signal such as serial/parallel, parallel/serial, encoding and decoding etc.
Described microprocessor 13 carries out protocol analysis.
The storage data can be carried out the enciphering/deciphering setting, and carry out the enciphering/deciphering operation by the 14 pairs of data in enciphering/deciphering unit.
The work that the present invention can select different mode of operations to be correlated with is as data memory module or data wireless transmission mode.
Seeing also Fig. 4 and Fig. 5, be in data manipulation under the different mode of operations at the present invention, is that example is carried out the data flow explanation with second embodiment.
Fig. 4 works in the process flow diagram of data model storage for multi-functional data memory storage of the present invention.
At first, the multi-functional data memory storage inserts main equipment.If what main equipment used is USB interface (being computing machine as main equipment), the multi-functional data memory storage obtains power supply from USBDP interface 22; If main equipment adopts MMC interface (is digital camera as main equipment), then the multi-functional data memory storage obtains power supply from MMC interface 21.
The multi-functional data memory storage carries out system initialization after obtaining power supply, prepares to receive the order of autonomous device subsequently.
The multi-functional data memory storage USB interface control 112 usb communication orders that at first judge whether from USBDP interface 22, if have, main controller module 1 enters USB storage state of a control, main equipment can reset by USB, device enumeration, defer to mass storage class and transmission command, set up usb data passage (being Bulk only passage) with the multi-functional data memory storage by USB interface control 112, on the basis of this passage, main equipment can carry out data storage operations to the multi-functional data memory storage by scsi command;
When the multi-functional data memory storage by USBDP interface 22, do not detect the USB main equipment, the multi-functional data memory storage can continue to detect whether the MMC main equipment be arranged by MMC interface 21, if not then return the state of taking orders; When multi-functional data memory storage MMC interface control 111 detects the order that main equipment is sent by MMC interface 21, respond and set up the MMC data channel according to the order of main equipment, the multi-functional data memory storage enters MMC interface data transmission state.
The multi-functional data memory storage is selected to carry out data model storage or is entered the interface wireless data-transmission mode by the main equipment order.If data model storage, then the multi-functional data memory storage is by the interface channel of foundation, carry out the whether judgement of enciphering/deciphering of data, if the demand of enciphering/deciphering is arranged, during data storage, also need pass through the enciphering/deciphering passage, add/separate process by what data were realized in enciphering/deciphering unit 14, data enter into memory storage phantom piece 3 by impact damper.
Fig. 5 works in the process flow diagram of data wireless transmission mode for multi-functional data memory storage of the present invention.
At first, the multi-functional data memory storage inserts main equipment, and obtains power supply from main equipment and carry out system initialization;
Subsequently, main equipment sends order to the multi-functional data memory storage, and determines and set up the interface channel;
Subsequently, the multi-functional data memory storage is determined the mode of operation of multi-functional data memory storage according to the order of main equipment, judges whether the transmission of wireless data, if not then entering data model storage;
After the multi-functional data memory storage is judged and is determined to be the wireless communication mode of data, the power supply that microprocessor 13 control classification power management modules 5 start bluetooth transceiver module 4, and bluetooth transceiver module 4 carried out initial work;
After this, main equipment begins to carry out the bluetooth data wireless transmission by the multi-functional data memory storage, and enciphering/deciphering unit 14 is at first to blue teeth wireless connection carrying out device authentication work, by authentication, just can carry out the effective transmission of data between the equipment, consider safety of data, carry out the enciphering/deciphering of data, realize the data wireless safe transmission according to the enciphering/deciphering agreement of appointment.
In sum, by multi-functional data memory storage of the present invention can realize to the storage freely of the data of a plurality of terminal devices of deferring to different memory interfaces share, blue teeth wireless is interconnected.
In addition, with reference to figure 6, realize that the related main components and parts of multi-functional data memory storage of the present invention can be from following manufacturer: main control module 1 can be with reference to the product information of OTI, SANDISK, ST company; Memory storage phantom piece 3 can be with reference to the product information of companies such as SAMSUNG, TOSHIBA, ST; Radio receiving transmitting module 4 can be with reference to the product information of companies such as Ericsson, National Semiconductor; Classification power management module 5 is combination of devices, mainly comprises voltage regulator and controllable voltage output circuit, can be with reference to the product information of companies such as TI, LINEAR.
Be appreciated that to the invention provides a kind of multi-functional data memory storage, can realize in the electronic product field:
Embedded devices such as digital camera are representative with the MMC interface, computing machine is representative with the USB interface, share memory storage phantom piece, the digital terminal equipment of realizing distinct interface is being deferred under the situation of different agreement separately, do not need other conversion equipments, and the conventional data storage, flexible realization data interaction and sharing functionality.
(the standard USB interface power supply is+5V the USBDP interfacing of employing dual power supply, another road power supply is a LVPS), make the embedded device (as terminal devices such as the mobile phone of USB interface memory function, MP3) of computing machine, low voltage interface, under the situation of deferring to agreement of the same race (being usb protocol), realize flexible data interaction and sharing functionality by the multi-functional data memory storage.
Utilize device transmission interface (MMC, USB) both can as the storage data-interface, can be used as the reusable characteristics of wireless data transmission interface again, the multi-functional data memory storage also can be used as the carrier such as wireless telecommunications such as bluetooths, makes and forms wireless storage networking between the main equipment easily.
Adopt the classification power management, equipment can be controlled the power supply of wireless module freely, when not needing the blue-teeth data transmission, turn-off the power supply of bluetooth module, particularly can improve power supply utilization rate, also avoid when carrying out data storage, having simultaneously the air interference of bluetooth module with battery powered embedded device.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a multi-functional data memory storage comprises main controller module, interface module, memory storage phantom piece and power module; Described main controller module links to each other with power module with interface module, memory storage phantom piece, supports flowing and coordinating the work of each module of data message; It is characterized in that: also comprise radio receiving transmitting module, described radio receiving transmitting module connects main controller module, is used to set up the wireless data transmission channel of described multi-functional data memory storage and external unit.
2. multi-functional data memory storage according to claim 1 is characterized in that: described interface module is the multiplex interface module of storage data-interface and wireless data transmission interface.
3. multi-functional data memory storage according to claim 1 is characterized in that: described main controller module comprise be used for to memory storage phantom piece carry out reading and writing data the memory body read-write control unit, be used for the interface control unit and the microprocessor that is connected and controls memory body read-write control unit, interface control unit of control interface module.
4. multi-functional data memory storage according to claim 3 is characterized in that: described main controller module also comprises data enciphering/deciphering unit.
5. according to claim 3 or 4 described multi-functional data memory storages, it is characterized in that: described main controller module is the single one physical entity.
6. multi-functional data memory storage according to claim 1 is characterized in that: described interface module is the combination of individual interface, a plurality of same-interface and/or a plurality of dissimilar interfaces.
7. multi-functional data memory storage according to claim 6 is characterized in that: described interface module comprises SM, MMC, SD, CF, MS, USB, USBDP, MD and/or x-D.
8. multi-functional data memory storage according to claim 1 is characterized in that: described memory storage phantom piece comprises flash memory, MRAM, DRAM, SDRAM, EEPROM, SRAM and/or EPROM.
9. multi-functional data memory storage according to claim 1 is characterized in that: described radio receiving transmitting module comprises bluetooth transceiver module and/or radio frequency identification module.
10. multi-functional data memory storage according to claim 1 is characterized in that: described power module is the differentiated control power module, and being used for provides at least two different output voltages from external power source and/or the self-powered electric power that draws.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410048145 CN1710520A (en) | 2004-06-16 | 2004-06-16 | Multifunction data storage device |
| PCT/CN2005/000167 WO2005078592A1 (en) | 2004-02-09 | 2005-02-05 | A multifunction data storage equipment and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410048145 CN1710520A (en) | 2004-06-16 | 2004-06-16 | Multifunction data storage device |
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| CN1710520A true CN1710520A (en) | 2005-12-21 |
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| CN 200410048145 Pending CN1710520A (en) | 2004-02-09 | 2004-06-16 | Multifunction data storage device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103514936A (en) * | 2012-06-29 | 2014-01-15 | 廖文滏 | Composite data access device |
| CN105025158A (en) * | 2015-05-29 | 2015-11-04 | 广西大学 | Multifunctional data transmission device |
| CN105740920A (en) * | 2014-12-11 | 2016-07-06 | 广州杰赛科技股份有限公司 | Data reading method under wireless environment |
| CN105739908A (en) * | 2014-12-11 | 2016-07-06 | 广州杰赛科技股份有限公司 | Wireless storage expansion system |
| CN105739907A (en) * | 2014-12-11 | 2016-07-06 | 广州杰赛科技股份有限公司 | Data storage method |
| CN105739906A (en) * | 2014-12-11 | 2016-07-06 | 广州杰赛科技股份有限公司 | Wireless card reading apparatus |
| CN113448630A (en) * | 2021-03-24 | 2021-09-28 | 深圳怡化电脑股份有限公司 | Driver processing method and device, electronic equipment and medium |
-
2004
- 2004-06-16 CN CN 200410048145 patent/CN1710520A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103514936A (en) * | 2012-06-29 | 2014-01-15 | 廖文滏 | Composite data access device |
| CN105740920A (en) * | 2014-12-11 | 2016-07-06 | 广州杰赛科技股份有限公司 | Data reading method under wireless environment |
| CN105739908A (en) * | 2014-12-11 | 2016-07-06 | 广州杰赛科技股份有限公司 | Wireless storage expansion system |
| CN105739907A (en) * | 2014-12-11 | 2016-07-06 | 广州杰赛科技股份有限公司 | Data storage method |
| CN105739906A (en) * | 2014-12-11 | 2016-07-06 | 广州杰赛科技股份有限公司 | Wireless card reading apparatus |
| CN105025158A (en) * | 2015-05-29 | 2015-11-04 | 广西大学 | Multifunctional data transmission device |
| CN113448630A (en) * | 2021-03-24 | 2021-09-28 | 深圳怡化电脑股份有限公司 | Driver processing method and device, electronic equipment and medium |
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