CN201000623Y - Dual-interface flash memory card - Google Patents
Dual-interface flash memory card Download PDFInfo
- Publication number
- CN201000623Y CN201000623Y CNU2007201180990U CN200720118099U CN201000623Y CN 201000623 Y CN201000623 Y CN 201000623Y CN U2007201180990 U CNU2007201180990 U CN U2007201180990U CN 200720118099 U CN200720118099 U CN 200720118099U CN 201000623 Y CN201000623 Y CN 201000623Y
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- controller
- card
- usb
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Abstract
The utility model discloses a double interface flash card, which comprises an USB interface, an Express Card interface, a flash array and a controller. The controller is used for analyzing the host computer signal received by the USB interface or the Express Card interface into the control signal of the flash array. The double interface flash card of the utility model can not only use the USB interface as the mobile storage, but also use the Express Card interface to configure the double interface flash card in the host computer as a fixed storage or a system accelerating card during the operation.
Description
Technical field
The utility model relates to a kind of flash card.
Background technology
Along with computer technology rapid development, the computer user is also more and more higher to the requirement of USB flash memory equipment, not only requires the lifting on flash memory device capacity, the speed, also requires the expansion on the flash memory device function.Existing flash memory device purposes the most widely is to preserve some temporary files or as the backup of data as portable memory apparatus.But because this memory device in use can only be exposed to outside the main frame, have influence on the movability of PC, also bump easily or other hidden danger if be inserted in for a long time on the main frame, therefore this memory device all can be pulled out after using usually very soon, thereby make that this memory device can only be a kind of movable storage device, and can not become another fixed memory device of PC outside the hard disk.
Along with the continual renovation of hardware product is regenerated, operating system Windows Vista is also more and more nearer from us in a new generation, the pc user has been full of expectation to Vista, Ready Boost technology is one of numerous innovative functions of Vista, its very attractive place is that its support USB2.0 agreement flash memory device quickens the performance of Vista PC, promptly is used as Installed System Memory to the flash memory device of USB interface by Ready Boost technology and uses.For the PC of operating system in the past, if want to improve its performance, increase Installed System Memory and need buy memory bar, and require to open PC, memory bar is inserted host slot, from time and expense economically, all need no small cost.And Here it is for the PC of a Vista operating system very simple process only needs to insert USB flash memory, and is just passable in the configuration of doing on the main frame on some softwares then.But because when the USB flash memory equipment that uses Vista quickens function, need flash memory device in user's operating process, to be retained on the USB interface of PC always, and this design that is exposed to outside the PC of existing flash memory device has brought very big hidden danger to system, also brings very big inconvenience to the user simultaneously.
The utility model content
The utility model is exactly can't realize the fixed storage function of similar hard disk simultaneously and utilize the system of Vista to quicken function in order to solve existing movable storage device, has proposed a kind of double nip flash card.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is to have proposed a kind of double nip flash card that comprises USB interface, Express Card interface, flash array and controller, wherein, controller is used for the Host Command of USB interface or the reception of Express Card interface is resolved to the operation that the flash array control signal is controlled described flash array, and read the flash array status signal, and feed back to main frame.
Wherein, controller comprises interface controller and flash controller, and interface controller is used to resolve the selected Host Command that mouth receives that connects, and feeds back the signal that flash controller is sent to main frame; The command analysis that flash controller transmits interface controller becomes the flash array control signal to be used for operating flash array, and feeds back to interface controller according to the state generation corresponding signal of flash array.
As a kind of improvement of the present utility model, described Express Card interface only uses usb protocol port wherein, and when described Express Card interface inserted main frame, it is mutual that main frame and this double nip flash card still carry out signal by usb protocol.
As another kind of improvement the of the present utility model, double nip flash card of the present utility model also comprises interface selection module, and optionally connected logical USB interface of this module or Express Card interface realize that the signal between main frame and this double nip flash card is mutual.
Wherein, described interface selects module to comprise power output end, signal output part and earth terminal, and corresponding with controller respectively end points links to each other; Also comprise USB interface power input, USB interface signal input part and USB interface earth terminal, corresponding with USB interface respectively end points links to each other; Also comprise ExpressCard interface power input, Express Card interface signal input end and Express Card interface earth terminal, link to each other with the corresponding end points of Express Card interface respectively.
Double nip flash card of the present utility model also comprises transformer, described transformer output terminal connects the USB interface power input that described interface is selected module, input end connects the power output end of described USB interface, is used for the supply voltage of USB interface is converted to the required supply voltage of controller.
The USB interface of double nip flash card of the present utility model is A type USB interface or Type B USB interface or MiniUSB interface.
Double nip flash card of the present utility model comprises USB interface and Express Card interface, can utilize two interfaces to adapt to interface resource on the PC easily, comprise flash array and controller, both can utilize USB interface as mobile storage, and also can utilize Express Card interface that this double nip flash card is configured in the main frame as fixed storage or system's accelerator card.
Further, Express Card interface has only used usb protocol port wherein, has not only made full use of the two-forty and the hot plug of USB interface agreement, also makes inner structure more simple simultaneously.
This double nip flash card also comprises interface selection module, can select one from two interfaces easily, thereby avoids two signals between the interface to disturb.
Feature of the present utility model and advantage will be elaborated in conjunction with the accompanying drawings by embodiment.
Description of drawings
Fig. 1 is the inner structure synoptic diagram of the utility model embodiment;
Fig. 2 is the profile synoptic diagram of the utility model embodiment;
Fig. 3 is that interface and the interface of the utility model embodiment is selected the module connection diagram.
Embodiment
Intel Company on the IDF Fall2003 that the U.S. holds formally next generation PC Card called after Express Card, maximum different being with conventional P C Card technology, Express Card technology can be supported PCI-Express (connecting bus in the high-speed peripheral element) and two kinds of interfaces of USB2.0, between peripherals and host computer system, directly provide being connected of hot swap type, and need between the chipset of system and slot, not set up a bridging chip.Simultaneously, Express Card interface has that volume is littler, transmission speed is faster, power consumption is lower, be more suitable for lot of advantages such as mobile system.Introduce Express Card interface when therefore the utility model designs so that can utilize its these advantages.
The inner structure of a kind of embodiment of double nip flash card of the present utility model mainly comprises two interfaces, interface selection module, controller and flash array as shown in Figure 1; Wherein, two interfaces are respectively USB interface and Express Card interface; Controller comprises interface controller and flash controller, and interface controller comprises Firmware (firmware) and MCU (microcontroller).Interface selects module to be used to select one of above-mentioned two interfaces to connect with interface controller.Flash array can be a flash memory, also can be many flash memories.When double nip flash card of the present utility model is worked, at first interface selects module to select the interface that will use, to be passed to interface controller by the operational order that the host application program that the interface of gating receives is sent then, by Firmware in the interface controller and MCU Host Command is resolved to the operational order of bottom and issues flash controller, last flash controller becomes the flash memory control signal to the bottom operation command analysis, controls the operation of flash array.In resolving, flash controller produces look-at-me according to the flash array state simultaneously and feeds back to interface controller; The look-at-me that interface controller transmits according to flash controller produces corresponding signal and feeds back to main frame.The signal of so just having finished main frame and this double nip flash card is mutual.
The profile of the double nip flash card of the utility model embodiment as shown in Figure 2,1 is flash card of the present utility model; 2 is the interface options button, can adopt the various devices of finishing the alternative operation, for example present embodiment is a single-pole double-throw switch (SPDT), when options button 2 is pushed USB interface one end to, it is mutual then to select USB interface to follow main frame to carry out signal, when options button 2 was pushed Express Card interface one end to, it was mutual then to select Express Card interface and main frame to carry out signal; 3 is USB interface; 4 is Express Card interface; 5 is the protective cover of USB interface.
Two interfaces of the double nip flash card of the utility model embodiment select module to be connected as shown in Figure 3 with interface, and USB interface 3 can adopt various types of USB interface, A type USB interface for example, Type B USB interface, MiniUSB interface.Adopt A type USB2.0 interface protocol in the present embodiment, it comprises 4 service wires, is USB power pins V_USB, two differential signal pin U_DM and U_DP, ground wire GND successively with corresponding lead-in wire on the flash card interior circuit board; Wherein USB power pins V_USB input voltage is 5.0V, because the supply voltage that interface controller and rear module need is 3.3V, therefore, needs to add a transformer and transfers the voltage that USB power pins V_USB exports to 3.3V.Express Card interface 4 has 26 pins, shown among the figure 101 to 126, owing to only use the USB2.0 interface protocol in the Express Card interface in the present embodiment, therefore only drawn 9 lead-in wires relevant and inserted flash card interior circuit board corresponding pin with the USB interface agreement, wherein, lead-in wire 101,120,123,126 is grounding pin GND, lead-in wire 102 is signal pins EC_DM, lead-in wire 103 is signal pins EC_DP, lead-in wire 104 is the usb protocol selection wire EC_S of Express Card interface, and lead-in wire 114,115 is power pins V_EC; Express Card power pins V_EC input voltage is 3.3V.Because the usb protocol selection wire EC_S of Express Card interface is that low level is effective, therefore in the present embodiment it being linked to each other with ground wire GND is low level when guaranteeing that it uses.
Interface controller comprises 4 pins equally so that be connected with above-mentioned two interface corresponding pins, and 4 pins are respectively power pins USB_V, two differential signal pin USB_DM and USB_DP and ground connection GND.Obviously can be with direct access interface controller after the corresponding pin parallel connection of two interfaces, promptly link to each other with the earth terminal of interface controller after the earth terminal parallel connection of two interfaces, USB interface power pins V_USB is linked into the input end of transformer, by transformer the USB interface supply voltage is reduced to the required voltage of rear module, after the output terminal of transformer is drawn the power pins V_EC parallel connection of power pins V_U and ExpressCard interface, link to each other then with the power pins USB_V of interface controller.The USB_DM signal end of the EC_DM signal parallel access interface controller of the U_DM signal of USB interface and Express Card interface, the USB_DP signal end of the EC_DP signal parallel access interface controller of the U_DP signal of USB interface and Express Card interface.Can not use interface to select module like this, but may exist signal to disturb after the data line parallel connection of two interfaces.As a kind of improvement of such scheme, added interface in the present embodiment and selected module.
Interface selects module to comprise power output end USB_V, two signal output part USB_DM, USB_DP and earth terminal GND, and corresponding with interface controller respectively end points links to each other; Also comprise USB interface power input V_U, two USB interface signal input part U_DM, U_DP and USB interface earth terminal GND, and Express Card interface power input V_EC, two Express Card interface signal input end EC_DM, EC_DP and Express Card interface earth terminal GND, link to each other with the corresponding end points of two interfaces respectively.Selecting module output enable ena when interface selects when front port is USB, USB interface 3 is carried out data transmission by gating with interface controller, interface selects module that signal wire USB_DM, the USB_DP of output terminal linked signal wire U_DM, the U_DP of input end respectively, and the power supply of input and output simultaneously is connected with ground connection is also corresponding; Selecting module output enable ena when interface selects when front port is Express Card, Express Card interface 4 is by gating, carry out data transmission with interface controller, interface selects module that signal wire USB_DM, the USB_DP of output terminal linked signal wire EC_DM, the EC_DP of input end respectively, and the power supply of input and output simultaneously is connected with ground connection is corresponding.Select module that thereby one of two interfaces and interface controller gating are realized that the signal of this double nip flash card and main frame is mutual by interface like this.
This flash card in use, both can utilize USB interface as a kind of movable storage device, also can utilize Express Card interface embedded in PC, thereby can not have influence on the movability of PC, this makes this flash card to be retained in the storage space that is used for Backup Data or expansion main frame among the PC as another fixed memory device as hard disk, also can after the user uses up, pull out easily, between a plurality of main frames, realize the mutual transmission of data as a portable storage device.In addition, when utilizing Vista operating system that this flash card is configured to Installed System Memory and uses, because this flash card is embedded in the main frame, avoid bringing hidden danger, thereby the function of system's acceleration has been realized on safe ready ground to system.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (7)
1. double nip flash card, it is characterized in that: comprise USB interface, Express Card interface, flash array and controller, described controller is used for the Host Command of described USB interface or the reception of Express Card interface is resolved to the operation that the flash array control signal is controlled described flash array; Described controller reads the flash array status signal and feeds back to main frame.
2. double nip flash card as claimed in claim 1, it is characterized in that, described controller comprises interface controller and flash controller, and described interface controller is used to resolve the selected Host Command that mouth receives that connects, and feeds back the signal that flash controller is sent to main frame; The command analysis that described flash controller transmits described interface controller becomes the flash array control signal to be used for operating described flash array, and feeds back to interface controller according to the state generation corresponding signal of flash array.
3. double nip flash card as claimed in claim 2, it is characterized in that, described Express Card interface only uses usb protocol port wherein, and when described Express Card interface inserted main frame, it is mutual that main frame and this double nip flash card still carry out signal by usb protocol.
4. as the arbitrary described double nip flash card of claim 1 to 3, it is characterized in that, also comprise interface selection module, described interface selects optionally connected logical described USB interface of module or Expres s Card interface to realize that the signal between main frame and this double nip flash card is mutual.
5. double nip flash card as claimed in claim 4 is characterized in that, described interface selects module to comprise power output end, signal output part and earth terminal, links to each other with the corresponding end points of described controller respectively; Also comprise USB interface power input, USB interface signal input part and USB interface earth terminal, link to each other with the corresponding end points of described USB interface respectively; Also comprise Express Card interface power input, Express Card interface signal input end and Express Card interface earth terminal, link to each other with the corresponding end points of described Express Card interface respectively.
6. double nip flash card as claimed in claim 5, it is characterized in that, also comprise transformer, described transformer output terminal connects the USB interface power input that described interface is selected module, its input end connects the power output end of described USB interface, is used for the supply voltage of USB interface is converted to the required supply voltage of controller.
7. as the arbitrary described double nip flash card of claim 1 to 3, it is characterized in that described USB interface is A type USB interface or Type B USB interface or MiniUSB interface.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201180990U CN201000623Y (en) | 2007-01-16 | 2007-01-16 | Dual-interface flash memory card |
| TW96215295U TWM330503U (en) | 2007-01-16 | 2007-09-12 | Flash memory card with dual interface structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201180990U CN201000623Y (en) | 2007-01-16 | 2007-01-16 | Dual-interface flash memory card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201000623Y true CN201000623Y (en) | 2008-01-02 |
Family
ID=39015027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201180990U Expired - Lifetime CN201000623Y (en) | 2007-01-16 | 2007-01-16 | Dual-interface flash memory card |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN201000623Y (en) |
| TW (1) | TWM330503U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101615422A (en) * | 2008-06-24 | 2009-12-30 | 威刚科技股份有限公司 | Flash memory device capable of automatically switching memory interface modes |
| CN101968856A (en) * | 2010-10-13 | 2011-02-09 | 上海源翰数码科技有限公司 | Mobile storage express card and computer |
| CN101452732B (en) * | 2008-12-30 | 2011-04-06 | 成都市华为赛门铁克科技有限公司 | Storage apparatus and control interface method and system |
| CN102789567A (en) * | 2011-05-19 | 2012-11-21 | 瑞昱半导体股份有限公司 | Double-interface module for card reader |
| CN104599711A (en) * | 2015-01-16 | 2015-05-06 | 深圳市江波龙电子有限公司 | Embedded storage chip, embedded electronic device and program updating method |
| CN106055978A (en) * | 2016-05-03 | 2016-10-26 | 武珍珍 | Novel computer information safety protection lock |
-
2007
- 2007-01-16 CN CNU2007201180990U patent/CN201000623Y/en not_active Expired - Lifetime
- 2007-09-12 TW TW96215295U patent/TWM330503U/en not_active IP Right Cessation
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101615422A (en) * | 2008-06-24 | 2009-12-30 | 威刚科技股份有限公司 | Flash memory device capable of automatically switching memory interface modes |
| CN101615422B (en) * | 2008-06-24 | 2013-10-16 | 威刚科技股份有限公司 | Flash memory device capable of automatically switching memory interface modes |
| CN101452732B (en) * | 2008-12-30 | 2011-04-06 | 成都市华为赛门铁克科技有限公司 | Storage apparatus and control interface method and system |
| CN101968856A (en) * | 2010-10-13 | 2011-02-09 | 上海源翰数码科技有限公司 | Mobile storage express card and computer |
| WO2012048598A1 (en) * | 2010-10-13 | 2012-04-19 | 上海源翰数码科技有限公司 | Mobile memory express card and computer |
| CN102789567A (en) * | 2011-05-19 | 2012-11-21 | 瑞昱半导体股份有限公司 | Double-interface module for card reader |
| CN102789567B (en) * | 2011-05-19 | 2016-01-20 | 瑞昱半导体股份有限公司 | Double-interface module for card reader |
| CN104599711A (en) * | 2015-01-16 | 2015-05-06 | 深圳市江波龙电子有限公司 | Embedded storage chip, embedded electronic device and program updating method |
| CN104599711B (en) * | 2015-01-16 | 2018-01-26 | 深圳市江波龙电子有限公司 | Embedded storage chip, EMBEDDED AVIONICS and its programme upgrade method |
| CN106055978A (en) * | 2016-05-03 | 2016-10-26 | 武珍珍 | Novel computer information safety protection lock |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM330503U (en) | 2008-04-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: MEMORIGHT MEMORITECH (WUHAN) CO., LTD. Free format text: FORMER OWNER: MEMORIGHT MEMORITECH (SHENZHEN) CO., LTD. Effective date: 20101110 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518057 3/F, BUILDING W2A, SOUTH ZONE, NEW AND HIGH TECHNOLOGY INDUSTRIAL PARK, NANSHAN DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE TO: 430074 ROOM 301-303, RESEARCH AND DEVELOPMENT BUILDING, BUILDING C3, PHASE 3, GUANGGU SOFTWARE PARK, NO.1, GUANSHAN ROAD 1, WUHAN CITY, HUBEI PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20101110 Address after: 430074 Hubei city of Wuhan province Kuanshan Road, Optics Valley software park three building C3 room 301-303 building Patentee after: Memory technology (Wuhan) Co., Ltd. Address before: 518057, W2A building, South District, Nanshan District hi tech Industrial Park, Guangdong, Shenzhen Patentee before: Memoright (Shenzhen) Co., Ltd. |
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| DD01 | Delivery of document by public notice |
Addressee: Memory technology (Wuhan) Co., Ltd. Document name: Notification to Pay the Fees |
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| DD01 | Delivery of document by public notice |
Addressee: Memory technology (Wuhan) Co., Ltd. Document name: Notification of Termination of Patent Right |
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| DD01 | Delivery of document by public notice |
Addressee: Memory technology (Wuhan) Co., Ltd. Document name: Notification of Decision on Request for Restoration of Right |
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| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 430074 Hubei city of Wuhan province East Lake New Technology Development Zone Road No. two high Guan Nan Industrial Park Building No. two West 3 floor Patentee after: Memoright Technology (Wuhan) Co., Ltd. Address before: 430074 Hubei city of Wuhan province Kuanshan Road, Optics Valley software park three building C3 room 301-303 building Patentee before: Memory technology (Wuhan) Co., Ltd. |
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| DD01 | Delivery of document by public notice |
Addressee: Zhang Yue Document name: Notification of Passing Examination on Formalities |
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| CX01 | Expiry of patent term |
Granted publication date: 20080102 |
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| EXPY | Termination of patent right or utility model |