CN1367438B - Semiconductor storage method for supporting several interfaces and device - Google Patents
Semiconductor storage method for supporting several interfaces and device Download PDFInfo
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- CN1367438B CN1367438B CN 02114882 CN02114882A CN1367438B CN 1367438 B CN1367438 B CN 1367438B CN 02114882 CN02114882 CN 02114882 CN 02114882 A CN02114882 A CN 02114882A CN 1367438 B CN1367438 B CN 1367438B
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Abstract
The present invention relates to a semiconductor storage method for supporting several intefaces and its equipment used in data processing system. Said method includes the following steps: 1. setting semiconductor storage device, in which the semiconductor storage medium module, controller module and interface module for supporting at least two serial, parallel or radio communication interfaces with different standards; 2. utilizing the described interface with different standard to connect with at least one data processing system with correspondent standard interface; 3. creating information exchange channel based on serial, parallel or radio communication interface between the described storage device and data procesisng system; and 4. the described storage device can utilize exchange channel to exchange data with the described data processing system.
Description
Technical field the present invention relates to the storage of data message, relates in particular to a kind of storage means and device with two or more various criterion interfaces.
Background technology is along with the development of semiconductor memory technologies, semiconductor storage with its high capacity, at a high speed, characteristics such as light and handy, shockproof receive liking of user day by day.Along with electronic technology is flourish; People are using various electronic digital equipment widely; These digital products such as digital camera, palm PC, HPC, notebook computer, desktop computer, mobile phone, digital Video Camera, MP3 music player etc.; Adopt semiconductor storage store data information mostly, also need the swap data file between the different digital products usually.These digital products often adopt different separately interface standards; But existing semiconductor storage has only a kind of interface of standard usually; It can only be used on the digital product of supporting this kind standard interface; But between digital product, often need exchange data file, if when on supporting the digital product of other standard interface, using this memory storage, need be by adapter with signaling transfer point or read write line.So, not only increased user's burden, returned the user and bring a lot of inconvenience.Storage card is during with different host computer line; Often need promptly must utilize different CRs or conversion equipment, in order to solve this technical matters through the interface of different size; Chinese invention patent application 00106493.2 discloses a kind of multi-interface memory card; Two interfaces are arranged on the memory card logic: HOST interface and USB interface, to the interface of different size on the host computer, can realize the line purpose through same modular converter.But the disclosed storage card of this patented claim physically has only an interface, and in order to link to each other with computer, this storage card still needs the configuration transitions module.When user's out using mancarried electronic aid, must carry special modular converter, increased extra burden and spending.
A kind of memory device CF card based on flash memory (Flash Memory) technical design; Big with its memory capacity, writing speed is fast, excellent performance such as low in energy consumption and become the main flow of mobile storage product day by day and be widely used in portable electric appts such as digital camera, palm PC and HPC, can plug at any time, removable, can store high capacity file or data; Also can come swap data, file between the distinct electronic apparatuses through the CF card.But the CF card generally has only a kind of interface of standard, still is not very convenient so use: when it uses on notebook computer, and need be by the CF card adapter (like PCMCIA CF card adapter) of special use; When on desktop computer, using, need CF card reader (like USB CF card reader) by special use.Thereby the user can't be directly copies to the file in the CF card or data storage in the CF card in computer or with the file or the data of computer.When user's out using mancarried electronic aid, must carry special adapter or read write line, increased extra burden and spending.If special adapter or read write line are lost or damage by careless, the user can't make the content uploading in the CF card download content to the CF card to main frame or from main frame, and inconvenience is arranged in the use.
Summary of the invention the objective of the invention is to avoid the weak point of above-mentioned prior art and a kind of semiconductor memory method and device of supporting multiple interfaces is provided; Make it not need additional apparatus and directly is connected also quilt and is read and write with various data handling systems; With memory device as various data handling systems, swap data between various data handling systems.
The object of the invention can be realized through adopting following technical scheme: propose a kind of semiconductor memory method of supporting multiple interfaces, comprise the steps:
A., semiconductor storage is set, and dress is used and can be stored the semiconductor storage medium module of data within it, and the controller module and the interface module of supporting at least two various criterion interfaces of controlling said semiconductor storage; Physically, said each module can individualism, also can merge into one or two module;
B. through the interface of said various criterion, connect the data handling system that at least one has the respective standard interface;
C. set up the information exchanging channel between said semiconductor storage and the said data handling system;
D. said semiconductor storage is by said information exchanging channel and said data handling system swap data, and the data storage that need store said data handling system is in said semiconductor storage medium module; Said data handling system can read desired data in said semiconductor storage;
Said one of them interface of various criterion interface is CF-ATA, PCMCIA or True IDE; Other interface is the USB (USB) and/or IEEE 1394 interfaces of standard, and said various criterion interface is being physically located at the different parts of said semiconductor storage.
The object of the invention can also further realize through following technical scheme: make, use a kind of semiconductor storage of supporting multiple interfaces; Comprise the semiconductor storage medium module that can store data is housed; Controller module and the interface module of supporting at least two various criterion interfaces; Said controller module is electrically connected with semiconductor storage medium module and interface module, coordinates the work of each module; One of them interface of the interface of said at least two various criterions is CF-ATA, PCMCIA or True IDE; Other interface is the USB (USB) and/or IEEE 1394 interfaces of standard, and said various criterion interface is being physically located at the different parts of said semiconductor storage.
Compared with prior art; The present invention is because of having the interface of CF and USB and/or 1,394 two above various criterions of IEEE; And the interface of various criterion is being physically located at said semiconductor storage different parts; Have the following advantages: do not need adapter or any modular converter just can be electrically connected with main frame easily; This makes the described CF card of this patent use, carry all very convenient, and makes between the various data handling systems swap data file simply and easily, has reduced configuration cost.
Data handling system according to the invention means electronic system or the device that has processor; Include but not limited to digital camera, palm PC, HPC, notebook computer, desktop computer, personal computer, small-size computer, data processing work station, mobile phone, digital Video Camera, MP3 music player, also comprise various semiconductor storages.
Description of drawings
Fig. 1 is the general utility functions block diagram of the inventive method;
Fig. 2 is the functional block diagram that the embodiment of the invention one adopts CF interface and USB interface;
Fig. 3 is the functional block diagram that the embodiment of the invention two adopts CF interface and IEEE 1394 interfaces;
Fig. 4 is the functional block diagram that the embodiment of the invention three adopts CF, USB and 1,394 three kinds of interfaces of IEEE;
Fig. 5 is the internal work flow process figure that the present invention adopts CF interface and USB interface;
Fig. 6 is the profile synoptic diagram of various embodiments of the present invention; Fig. 6-the 1st, said semiconductor storage have the profile synoptic diagram of CF interface and USB interface; Fig. 6-the 2nd, said semiconductor storage have the profile synoptic diagram of CF interface and IEEE 1394 interfaces; Fig. 6-3 and Fig. 6 the-the 4th, and said semiconductor storage has the profile synoptic diagram of CF interface, USB interface and IEEE 1394 interfaces;
Fig. 7 is the circuit theory diagrams of usb bus interface control and storage control module 22 among the embodiment one;
Fig. 8 is the circuit theory diagrams of USB interface among the embodiment one;
Fig. 9 is the circuit theory diagrams of flash memory module 11 among the embodiment one;
Figure 10 is the schematic diagram of LED indicating circuit in write-protect switch and the duty indicating module 61 among the embodiment one;
Figure 11 is the circuit theory diagrams of CF card control and storage control module 21 among the embodiment one;
Figure 12 is the circuit theory diagrams of CF interface among the embodiment one;
Figure 13 is the circuit theory diagrams of power module 71 among the embodiment one.
Embodiment is done further explain below in conjunction with accompanying drawing to the present invention:
As shown in Figure 1, a kind of semiconductor memory method of supporting multiple interfaces comprises the steps:
A., semiconductor storage is set; Dress be with can storing the semiconductor storage medium module 10 of data within it, and the interface module 40 of the controller module 20 of controlling said semiconductor storage and the serial of supporting at least two various criterions, parallel or wireless communication interface; Physically, said each module can individualism, also can merge into one or two module;
B. through the interface of said various criterion, connect the data handling system that at least one has the respective standard interface;
C. set up between said semiconductor storage and the said data handling system information exchanging channel based on serial, parallel or wireless communication interface;
D. said semiconductor storage is by said information exchanging channel and said data handling system swap data, and the data storage that need store said data handling system is in said semiconductor storage medium module 10; Said data handling system can read desired data in said semiconductor storage.
Said various criterion interface is being physically located at the different parts of said semiconductor storage.Said serial or parallel or wireless communication interface are CF (Compact Flash), USB (USB), IEEE 1394, PCMCIA, True IDE, bluetooth (Bluetooth) interface or wireless lan interfaces.Said semiconductor storage medium module, the semiconductor storage medium of use are flash memory (Flash Memory), DRAM, EEPROM, SRAM, SDRAM, FRAM or MRAM.The working power of said semiconductor storage inserts via said serial or parallel interface; But under the situation of using wireless communication interface; Said semiconductor storage is to carry working power or introduce working power by the outside; Be designed with the function of the duty of indication on it, realize by the indicating device on the duty indicating module 60, said indicating device can be LED, LCD, vibrations device or microphone device.The present invention also is designed with the write-protect function, is used for preventing that data from writing said storage medium module 10.Said semiconductor storage and said data handling system break off be connected after, the data of being stored can be kept in the said semiconductor storage.Power module 70 is set in said semiconductor storage; Its function comprises makes said semiconductor storage only select a source power supply; Make said semiconductor storage obtain power supply, isolate the power supply that comes from other interface simultaneously through one in the interface of said at least two various criterions.
A kind of semiconductor storage that is used for the support multiple interfaces of data handling system; As shown in Figure 1; Comprise the semiconductor storage medium module 10 that can store data is housed; The interface module 40 of controller module 20 and the interface of supporting at least two various criterions, the interface of said at least two various criterions comprise serial, parallel or wireless communication interface; Said various criterion interface is being physically located at the different parts of said semiconductor storage; Said controller module 20 is electrically connected with semiconductor storage medium module 10 and interface module 40, coordinates the work of each module.
Said controller module 20 both can be an independent module; Also can comprise two or more sub-control modules; Said each sub-control module and controlling each interface work of interface module 40 respectively, between each submodule through relevant interface agreement coordinate operation.
Said serial or parallel or wireless communication interface are CF (Compact Flash), USB (USB), IEEE 1394, PCMCIA, True IDE or bluetooth (Bluetooth) interface or wireless lan interfaces, comprise IEEE 802.11a, IEEE 802.11b, IEEE802.11g.Semiconductor storage medium in the said semiconductor storage medium module 10 is flash memory (Flash Memory), DRAM, EEPROM, SRAM, SDRAM, FRAM or MRAM.The working power of said semiconductor storage inserts via said serial or parallel interface.When adopting bluetooth or wireless lan interfaces, the working power of said wireless data communication device inserts from battery or external power supply.
Apparatus of the present invention also include duty indicating module 60, are used to indicate the duty of said semiconductor storage, realize by the indicating device on the said duty indicating module 60.Said indicating device can be LED, LCD, vibrations device or microphone device.In order to prevent that data from writing in the said storage medium module 10, apparatus of the present invention include write-protect switch.The working power of apparatus of the present invention inserts via said serial or parallel interface, but under the situation of using wireless communication interface, said semiconductor storage is to carry working power or introduce working power by the outside.Also include power protecting circuit; Its function comprises makes said semiconductor storage only select a source power supply; Make said semiconductor storage obtain power supply, isolate the power supply that comes from other interface simultaneously through one in the interface of said at least two various criterions.
Like Fig. 1 is general utility functions block diagram of the present invention, supports the semiconductor storage of multiple interfaces to comprise: semiconductor storage medium module 10; Controller module 20; State indicating module 60 and write-protect switch; Power module 70; And support various criterion interface 1, interface 2 ..., and interface n.Controller module 20 links with semiconductor storage medium module 10, state indicating module 60 and write-protect switch, power module 70 respectively; The semiconductor storage of supporting multiple interfaces under the user mode through interface 1, interface 2 ..., be connected with electronic installation respectively with at least one interface among the interface n with the corresponding interface.These connect all two-way flows of supporting signal and data.
The interface of the semiconductor storage that this memory device with multiple interfaces of the present invention is supported multiple interfaces through multiple various criterion can insert multiple data handling system (like palm PC, digital camera, MP3 etc.) with the corresponding interface and carry out data and transmission of Information and storage, directly on coiling, reads and writes data as external memory.
Data handling system described here is also claimed main frame or host computer system, includes but not limited to various personal computers, small-size computer, data processing work station, palm PC, digital camera, notebook computer, desktop computer, mobile phone, MP3 and various exclusive data disposal system and memory storage.Wherein semiconductor storage medium module 10 comprises one or more semiconductor storage medium chip; Said semiconductor storage medium can be but be not limited to flash memory (FlashMemory), EEPROM, FRAM, SRAM, DRAM, SDRAM or MRAM; Connect by existing addressing mode, the function of this module is the storage data.The data of the function of the semiconductor storage medium module 10 required storage that to be memory controller modules 20 receive from data handling system, the data of being stored on this module also can be read.The data of storing on this module can be the data files of driver of the present invention and various other types etc.
Initialization and control that controller module 20 is accomplished semiconductor storage; Through order and data that interface module 40 acceptance are transmitted from the external data disposal system, these orders include but not limited to equipment query order, read data order, write data order, device status inquiries order etc.; Explain and carry out received order; With data storage to semiconductor storage medium module 10 or from semiconductor storage medium module 10 reading of data; The state of execution result and semiconductor storage is returned to the external data disposal system through interface module 40; Coordinate the work of each interface module; The work of state of a control indicating module 60 and write-protect switch and power module 70.
Interface 1 among Fig. 1, interface 2 ..., and interface n refer to that the semiconductor storage of support multiple interfaces of the present invention can be with the interface of supporting various criterion more than two; The interface of various various criterions can be parallel or serial or wave point, includes but not limited to USB, IEEE1394, PCMCIA, CF and bluetooth (Bluetooth) and wireless lan interfaces.These interfaces can be EBI but its physical size structure criteria of right and wrongs of electrical standard that has realized the serial port protocol of standard.
The present invention also has machinery or electronics write-protect switch, and its function can be set to the write data permission or forbid.This switch can make semiconductor storage of the present invention be in the write-protect state, and data and the file that can protect in the memory storage to be stored prevent that these data and file from being deleted, being modified by mistake or by virus infections.This switch can be the optoelectronic switch that the surface is pasted the single-pole double-throw (SPDT) mechanical switch or had optoelectronic induction.Miniature slide switch at present commonly used is made write-protect switch.
Embodiments of the invention one are as shown in Figure 2; Said semiconductor storage is supported CF interface and USB interface; CF interface compatibility CF-ATA interface or pcmcia interface or True ide interface: its semiconductor storage medium adopts flash memory, comprises flash memory module 11, the control of CF card and storage control module 21 and USB (USB) EBI control module and storage control module 22, CF interface, USB interface, write-protect switch and duty indicating module 61.The function of said CF interface control and storage control module 21 and USB (USB) EBI control module and storage control module 22 execution graphs, 1 middle controller module 20 and interface module 40.The control of CF interface is connected with flash memory module 11 with storage control module 21; USB (USB) EBI control module is connected with write-protect switch and duty indicating module 61 with storage control module 22, and power module 71 is connected with storage control module 22 with USB (USB) EBI control module with storage control module 21 with the control of CF interface respectively.Under the user mode, CF-ATA interface or pcmcia interface or True ide interface link to each other with the data handling system with the corresponding interface; Perhaps USB interface is connected with host computer system, and above-mentioned connection is the two-way flow of supporting signal and data all.
The semiconductor storage of present embodiment can insert various electronic (like palm PC, digital camera, MP3 etc.) through the CF interface and carry out data and transmission of Information and storage; CF interface compatibility CF-ATA interface or pcmcia interface or True ide interface; Can insert main frame through USB interface; Main frame can directly be read and write data on dish; This moment, the semiconductor storage of present embodiment can be used as USB MassStorage equipment; Support the USB MassStorage agreement that USB-IF (USB Implementers Forum) recommends, thereby make this device, and Linux 2.4.x operating system is discerned automatically by Windows Me, Windows 2000, Windows XP, Mac OS9.x/OS X; Promptly need not driver under these operating systems, the user is very easy to use.If operating system (for example Windows 98) does not carry the driver of the semiconductor storage of supporting present embodiment, needing to install specially is the driver of this device development.
In the present embodiment; USB interface can be the USB interface of standard; Standard micro USB interface (Mini USB, On-The-Go standard) for example, USB interface that also can the criteria of right and wrong; Be the USB interface of present embodiment can electric signal and physical arrangement and size all meet the USB standard, also can have only electric signal to meet the USB standard but its physical arrangement be of a size of non-USB standard.Flash memory in the flash memory module 11 (Flash Memory) can be one or more flash chip, connects by existing addressing mode, and this module can be stored the data file of driver of the present invention and various other types.
In the present embodiment, semiconductor storage links to each other through USB interface with host computer through connection converter or the connecting line that the Mini-USB interface changes USB interface.
Usb bus interface control and storage controlling sub 22 are accomplished and being connected of host computer system, and explain, conversion, control and transmit the USB interface agreement; Completion to the initialization of USB interface and control, accept order and data, the explanation of sending from main frame and carry out order that main frame sends, through CF interface and storage control module 21 with data storage to flash memory module 11 or from this module reading of data, execution result is returned to main frame through USB interface.
CF interface control and storage controlling sub 21 also can be accomplished and being connected of other external electronic device, and explain, conversion, control and transmit the CF interface protocol; Completion to the initialization of CF interface and control, the order accepting to transmit from external electronic device and data, explanation and fill order, with data storage to said flash memory module 11 or from this module reading of data, execution result is returned to data handling system; Receive the control command and the data of the control of usb bus interface and storage controlling sub 22, and with the data storage of required storage to flash memory module 11 or from this module reading of data, execution result is returned to control of usb bus interface and storage controlling sub 22.
Said CF interface control can be used single chip with storage control module 21 and usb bus control and storage controlling sub 22, also can use a plurality of chips.
Embodiments of the invention two are as shown in Figure 3; Said semiconductor storage is supported CF interface and IEEE 1394 interfaces, comprising: flash memory module 11, the control of CF interface and storage control module 21 and the control of IEEE 1394 EBIs and storage control module 23, CF interface, IEEE 1394 interfaces, write-protect switch and state indicating module 61.The control of CF interface and storage control module 21 and the function of IEEE 1394 EBIs control with storage control module 23 execution graphs, 1 middle controller module 20 and interface module 40.The control of CF interface is connected with flash memory module 11 with storage control module 21, and the control of IEEE 1394 EBIs is connected with write-protect switch and duty indicating module 61 with storage control module 23.Under the user mode, CF-ATA interface or pcmcia interface or True ide interface link to each other with the data handling system with the corresponding interface; Perhaps IEEE 1394 interfaces are connected with host computer system, and above-mentioned connection is the two-way flow of supporting signal and data all.
In the present embodiment, flash memory module 11 comprises one or more flash chip, connects by existing addressing mode, and this module can be stored the data file of driver of the present invention and other type.IEEE 1394 interfaces can be IEEE 1394 interfaces of standard, IEEE 1394 interfaces that also can the criteria of right and wrong.IEEE 1394 interfaces 52 that are present embodiment can be that electric signal and physical arrangement and size all meet IEEE 1394 standards, or have only its electric signal to meet IEEE 1394 standards, but its physical arrangement be of a size of non-IEEE 1394 standards.
IEEE 1394 EBIs control and storage control module 23 are accomplished and being connected of host computer system, and explain, conversion, control and transmit IEEE 1394 bus inferface protocols; Completion to the initialization of IEEE 1394 interfaces and control, accept order and data, the explanation of sending from main frame and carry out order that main frame sends, through CF interface and storage control module 21 with data storage to flash memory module 11 or from this module 11 reading of data, execution result is returned to main frame through IEEE 1394 interfaces.
CF interface control and storage control module 21 are accomplished and being connected of data handling system, and explain, conversion, control and transmit CF-ATA interface or pcmcia interface or True ide interface interface protocol; Completion to the initialization of CF-ATA interface or pcmcia interface or True ide interface and control, the order accepting to transmit from data handling system and data, explanation and fill order, with data storage to flash memory module 11 or from this module 11 reading of data, execution result is returned to data handling system.Receive the control command and the data of the control of I EEE 1394 EBIs and storage control module 23, and with the data storage of required storage to flash memory module 11 or from this module reading of data, execution result is returned to control of IEEE 1394 EBIs and storage control module 23.
IEEE 1394 interfaces of present embodiment can be that electric signal and physical arrangement and size all meet IEEE 1394 standards, or have only its electric signal to meet IEEE 1394 standards, but its physical arrangement be of a size of non-IEEE 1394 standards.The control of CF card can be used single chip with storage control module 21 and control of IEEE 1394 EBIs and storage control module 23, also can use a plurality of chips.
Embodiments of the invention three are as shown in Figure 4; Apparatus of the present invention have CF interface, USB interface and IEEE 1394 interfaces simultaneously, comprise flash memory module 11, the control of CF interface and storage control module 21, USB and the control of IEEE 1394 EBIs and storage control module 24, CF-ATA interface or pcmcia interface or True ide interface, USB interface, IEEE 1394 interfaces, write-protect switch and state indicating module 61.The control of CF interface and storage control module 21, USB and the control of IEEE 1394 EBIs and the function of storage control module 24 execution like Fig. 1 middle controller module 20 and interface module 40.Control is connected with storage control module 24 control of CF interface with IEEE 1394 EBIs with flash memory module 11, USB respectively with storage control module 21; USB, IEEE 1394 EBI controlling sub 24 are connected with write-protect switch and state indicating module 61; Under user mode, apparatus of the present invention link to each other with the data handling system with the corresponding interface through CF-ATA interface or pcmcia interface or True ide interface; Perhaps be connected with host computer system with IEEE 1394 through USB interface.Above-mentioned connection is the two-way flow of supporting signal and data all.
In the present embodiment, flash memory module 11 comprises one or more flash chip, connects by existing addressing mode, and this module can be stored the data file of driver of the present invention and other type.USB interface and IEEE 1394 interfaces can be the interface of standard, for example standard micro USB interface and standard micro IEEE 1394 interfaces, USB interface and IEEE 1394 interfaces that also can the criteria of right and wrong.IEEE 1394 interfaces that are present embodiment can be that electric signal and physical arrangement and size all meet IEEE 1394 standards, or have only its electric signal to meet IEEE 1394 standards, but its physical arrangement be of a size of non-IEEE 1394 standards; USB interface can be that electric signal and physical arrangement and size all meet the USB standard, or has only its electric signal to meet the USB standard, but its physical arrangement be of a size of non-USB standard.
The control of USB and IEEE 1394 EBIs and storage control module 24 are accomplished and being connected of host computer system, and explain, conversion, control and transmit the general-purpose interface agreement; Completion to the initialization of USB interface or IEEE 1394 interfaces and control, accept order and data, the explanation of sending from main frame and carry out order that main frame sends, through the control of CF interface and storage control module 21 with data storage to flash memory module 11 or from this module 11 reading of data, execution result is returned to main frame through USB interface or IEEE 1394 interfaces.
CF interface control and storage control module 21 can be accomplished and being connected of data handling system, and explain, conversion, control and transmit the interface protocol of CF-ATA interface or pcmcia interface or True ide interface; Completion to the initialization of CF-ATA interface or pcmcia interface or True ide interface and control, the order accepting to transmit from data handling system and data, explanation and fill order, with data storage to flash memory module 11 or from this module 11 reading of data, execution result is returned to data handling system.Receive USB and control command and the data of IEEE 1394 EBIs control with storage control module 24, and with the data storage of required storage to flash memory module 11 or from this module reading of data, execution result is returned to USB and control of IEEE 1394 EBIs and storage control module 24.
The internal work flow process of the embodiment of the invention one, as shown in Figure 5, its internal work flow process comprises the steps:
The first step: judge access device at CF-ATA interface or pcmcia interface or True ide interface still at USB interface;
Second step: if CF-ATA interface or pcmcia interface or True ide interface have access device, then its built-in function is as standard C F card;
The 3rd step:, obtain power supply from USB interface if USB interface has access device; The initialization USB interface, control of initialization usb bus interface and storage controlling sub; Detect the specific information that the flash submodule therefrom reads memory storage of the present invention;
The 4th step: judge whether it is read data request; If read data operation requests; Physical address on the sequence number that then logical address is converted into flash chip and this flash chip and skip handled such as evil idea in the flash memory is fast according to bad piece recorded information; And therefrom reading of data, return this data, get back to second the step; Otherwise judge whether it is the data writing operation request;
The 5th step: if the data writing operation request; Then logical address is converted into sequence number and the physical address on this flash chip of flash chip and skips handled such as evil idea in the flash memory is fast according to bad piece recorded information; And data are write flash memory; Got back to for second step, otherwise judge whether it is to read requests for capacity;
The 6th step: if read the volume operation request, then Returning equipment memory capacity was got back to for second step, otherwise is judged whether it is other operation requests;
The 7th step: if other attainable operation requests then handles accordingly, and return result and status information, got back to for second step, otherwise directly got back to for second step.
In case main frame closes electricity, or pulls out equipment from host computer system, equipment will quit work, but the information that has deposited in will keep.
The profile of various embodiments of the present invention is as shown in Figure 6, all has CF-ATA interface or pcmcia interface or True ide interface, pilot lamp and switch among Fig. 6-1,6-2,6-3 and 6-4 four width of cloth figure; These interfaces, pilot lamp and switch are distributed on four end faces of mini-flash storage card, and this distribution can have different combinations, and this combination is not limited to expressed among Fig. 6 four kinds.
Fig. 7 is the circuit theory diagrams of usb bus interface control and storage control module 22 among the embodiment one as shown in Figure 2, adopts 48 pin NT2004AGS chip U4, and the 1st pin of chip U4 inserts power supply VCC; The 2-5 of U4,7-10,40-48 heel connect the identical pin of PD sequence number of CFCARD1 in chip U3 and CF-ATA interface or pcmcia interface or the True ide interface in the control of CF interface and the storage control module 21 respectively according to PD sequence number as shown in the figure; The direct ground connection of the 6th, 15,24 and 33 pin of chip U4; The 11st, 12,13 pin of this chip connect the 34th, 35 and 37 pin of CFCARD1 chip in CF-ATA interface or pcmcia interface or the True ide interface respectively; The 14th pin of chip U4 inserts power supply VCC and passes through 0.1 microfarad capacitor C, 8 ground connection; Meet 12MHz crystal oscillator Y1 between the 16th and 17 pin of this chip, the 18th pin of this chip inserts power supply VCC through 100K resistance; 28 pin connect the collector of triode N1, and the model of N1 is MMBT3904, the emitter grounding of N1, and base stage inserts power supply VCCF through 47K resistance R 14; 26,30,31,32 heels connect 93C46 storage chip U6 according to the GPIO sequence number, as depositing specific information in.
Fig. 8 is the circuit theory diagrams of USB interface among the embodiment one as shown in Figure 2, and interface chip J1 introduces bus power source VCC through 1 pin, and 2,3 pin are 21,22 pins that data line inserts chip U4,4,5,6 pin ground connection.
Fig. 9 is the circuit theory diagrams of flash memory module 11 among the embodiment one as shown in Figure 2; Flash chip U1, U2 adopt TC58256FT; Its I/O pin connects the identical pin of HD sequence number among the chip U3 in CF interface control and the storage control module 21 according to the HD sequence number, and all the other pins are also controlled with the CF interface according to label and are connected with the chip U3 respective pins of storage control module 21.
Figure 10 is the circuit theory diagrams of write-protect switch and state indicating module 61 among the embodiment one as shown in Figure 2, does not comprise the write-protect function in the schematic diagram.Indicating device employing LED 1 connects 31 pin of chip U4, through 470 Ohmage R18 ground connection.
Figure 11 is the circuit theory diagrams of CF interface control and storage control module 21 among the embodiment one as shown in Figure 2; Its chip U3 adopts NT2009ACF, and this chip U3 connects 2-5,7-10, the 40-48 pin of control of usb bus interface and storage control module 22 chips U4 according to the PD sequence number; This chip connects the flash chip U1 in the flash memory module 11, the respective pins of U2 according to the HD sequence number.
Figure 12 is the circuit theory diagrams of CF-ATA interface or pcmcia interface or TrueIDE interface among the embodiment one as shown in Figure 2; Adopt interface chip CFCARD1, this interface chip CFCARD1 meets the control of usb bus interface and the chip U4 of storage control module 22 and the chip U3 of control of CF interface and storage control module 21 according to the PD sequence number.
CF interface compatibility CF-ATA interface, pcmcia interface and True ide interface.
Figure 13 is the circuit theory diagrams of power module 71 among the embodiment as shown in Figure 2; The emitter of MMBT3906 chip P1 inserts the power supply VCCF that CF-ATA interface or pcmcia interface or True ide interface are introduced from host side; Collector inserts the power supply VCC that USB interface is introduced; Base stage is ground connection behind 1K resistance R 20, R21, and power supply VUSB is provided between resistance R 20, R21.
Claims (18)
1. a semiconductor memory method of supporting multiple interfaces comprises the steps:
A., semiconductor storage is set, and dress is used and can be stored the semiconductor storage medium module (10) of data within it, and the interface module (40) of controlling controller module (20) and at least two various criterion interfaces of support of said semiconductor storage; Physically, said each module can individualism, also can merge into one or two module;
B. through the interface of said various criterion, connect the data handling system that at least one has the respective standard interface;
C. set up the information exchanging channel between said semiconductor storage and the said data handling system;
D. said semiconductor storage is by said information exchanging channel and said data handling system swap data, and the data storage that need store said data handling system is in said semiconductor storage medium module (10); Said data handling system can read desired data in said semiconductor storage;
It is characterized in that: said one of them interface of various criterion interface is CF-ATA, PCMCIA or True IDE; Other interface is the general-purpose serial bus USB and/or IEEE 1394 interfaces of standard; Said various criterion interface is being physically located at the different parts of said semiconductor storage; The controller module of said semiconductor storage (20) comprises two or more sub-control modules physically; Said each sub-control module is being controlled each interface running of interface module (40) respectively, coordinates mutually and does not conflict.
2. according to the described method of claim 1, it is characterized in that: on said semiconductor storage, also be provided with bluetooth (Bluetooth) and/or WLAN (Wireless LAN) interface.
3. according to the described method of claim 1, it is characterized in that: said semiconductor storage medium module, the semiconductor storage medium of use are flash memory (Flash Memory), DRAM, EEPROM, SRAM, SDRAM, FRAM or MRAM.
4. according to the described method of claim 1; It is characterized in that: the working power of said semiconductor storage inserts via the serial or parallel interface; But under the situation of using wireless communication interface, said semiconductor storage is to carry working power or introduce working power by the outside.
5. according to the described method of claim 1, it is characterized in that: be designed with the function of the said semiconductor storage duty of indication, realize by the indicating device on the duty indicating module (60).
6. according to the described method of claim 5, it is characterized in that: said indicating device is LED, LCD, vibrations device or microphone device.
7. according to the described method of claim 1, it is characterized in that: also be designed with the write-protect function, be used for preventing that data from writing said storage medium module (10).
8. according to the described method of claim 1, it is characterized in that: said semiconductor storage and said data handling system break off be connected after, the data of being stored can be kept in the said semiconductor storage.
9. according to the described method of claim 1, it is characterized in that: power module (70) is set in said semiconductor storage, and its function comprises makes said semiconductor storage only select a source power supply.
10. semiconductor storage of supporting multiple interfaces; Comprise the semiconductor storage medium module (10) that can store data is housed; The interface module (40) of controller module (20) and at least two various criterion interfaces of support; Said controller module (20) is electrically connected with semiconductor storage medium module (10) and interface module (40); Coordinate the work of each module, it is characterized in that: one of them interface of the interface of said at least two various criterions is CF-ATA, PCMCIA or True IDE, and other interface is the general-purpose serial bus USB and/or IEEE 1394 interfaces of standard; Said various criterion interface is being physically located at the different parts of said semiconductor storage; Said controller module (20) comprises two or more sub-control modules, and said each sub-control module is being controlled each interface work of interface module (40) respectively, passes through relevant interface agreement coordinate operation between each submodule.
11., it is characterized in that: on said semiconductor storage, also include bluetooth (Bluetooth) and/or WLAN (Wireless LAN) interface according to the described device of claim 10.
12. according to the described device of claim 10, it is characterized in that: the interface of said at least two various criterions is CF interface and USB interface, or CF interface and IEEE1394 interface.
13. according to each described device in the claim 10 to 12, it is characterized in that: the semiconductor storage medium in the said semiconductor storage medium module (10) is flash memory (Flash Memory), DRAM, EEPROM, SRAM, SDRAM, FRAM or MRAM.
14. according to each described device in the claim 10 to 12; It is characterized in that: the working power of said semiconductor storage inserts via the serial or parallel interface; But under the situation of using wireless communication interface, said semiconductor storage is to carry working power or introduce working power by the outside.
15. according to each described device in the claim 10 to 12; It is characterized in that: also include duty indicating module (60); Be used to indicate the duty of said semiconductor storage, realize by the indicating device on the said duty indicating module (60).
16. according to the described device of claim 15, it is characterized in that: said indicating device is LED, LCD, vibrations device or microphone device.
17., it is characterized in that: also comprise write-protect switch, be used for preventing that data from writing said storage medium module (10) according to each described device in the claim 10 to 12.
18. according to each described device in the claim 10 to 12, it is characterized in that: power module (70) is set in said semiconductor storage, and its function comprises makes said semiconductor storage only select a source power supply.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02114882 CN1367438B (en) | 2002-02-09 | 2002-02-09 | Semiconductor storage method for supporting several interfaces and device |
| TW91104315A TWI245217B (en) | 2002-02-09 | 2002-03-13 | Semiconductor storage method and device with supporting different ports |
| AU2002304041A AU2002304041A1 (en) | 2001-11-23 | 2002-05-20 | Semiconductor storage method and device supporting multi-interfaces |
| PCT/CN2002/000341 WO2003044732A1 (en) | 2001-11-23 | 2002-05-20 | Semiconductor storage method and device supporting multi-interfaces |
| US10/261,001 US6795327B2 (en) | 2001-11-23 | 2002-09-30 | Semiconductor storage method and device supporting multi-interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02114882 CN1367438B (en) | 2002-02-09 | 2002-02-09 | Semiconductor storage method for supporting several interfaces and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1367438A CN1367438A (en) | 2002-09-04 |
| CN1367438B true CN1367438B (en) | 2012-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02114882 Expired - Lifetime CN1367438B (en) | 2001-11-23 | 2002-02-09 | Semiconductor storage method for supporting several interfaces and device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1367438B (en) |
| TW (1) | TWI245217B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1190735C (en) | 2002-09-26 | 2005-02-23 | 深圳市朗科科技有限公司 | Data exchange and storing method and device |
| CN100383766C (en) * | 2003-01-01 | 2008-04-23 | 深圳市朗科科技有限公司 | Method for implementing network connection by utilizing semiconductor storage device |
| CN100394400C (en) * | 2003-05-13 | 2008-06-11 | 明泰科技股份有限公司 | Small size storage device with built-in drive program |
| CN100565482C (en) * | 2003-12-31 | 2009-12-02 | 深圳市朗科科技股份有限公司 | Semiconductor storage based on the serial advanced technology structure interface |
| WO2005078592A1 (en) * | 2004-02-09 | 2005-08-25 | Lenovo (Beijing) Limited | A multifunction data storage equipment and method |
| CN1691195B (en) * | 2004-04-19 | 2011-05-04 | 深圳市朗科科技股份有限公司 | Mobile memory device and method for improving data access speed |
| JP2006004079A (en) * | 2004-06-16 | 2006-01-05 | Sony Corp | Storage device |
| JP4864346B2 (en) * | 2005-05-18 | 2012-02-01 | ソニー株式会社 | Memory card and card adapter |
| CN1889003B (en) * | 2005-06-28 | 2010-05-12 | 环达电脑(上海)有限公司 | Method for storing and/or reading key data |
| CN101430635A (en) * | 2007-11-09 | 2009-05-13 | 深圳易拓科技有限公司 | Mobile storage apparatus |
| CN106610905A (en) * | 2015-12-04 | 2017-05-03 | 中视迪威激光显示技术有限公司 | Assistant selection local area network interface system and communication method thereof |
| CN108038072B (en) * | 2017-12-28 | 2021-11-09 | 深圳Tcl数字技术有限公司 | Access method of serial device, terminal device and computer readable storage medium |
| CN113220616B (en) * | 2021-05-31 | 2022-11-15 | 北京航空航天大学 | FPGA-based interface conversion system and method from SDRAM to MRAM |
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| CN1215488A (en) * | 1996-02-05 | 1999-04-28 | 西门子公司 | Device for processing and storage of data |
| JP2000285635A (en) * | 1999-03-31 | 2000-10-13 | Matsushita Electric Ind Co Ltd | Non-contact memory collectively reading coil array |
| CN1317766A (en) * | 2000-04-11 | 2001-10-17 | 姚立和 | Multi-interface memory card and its adapter module |
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2002
- 2002-02-09 CN CN 02114882 patent/CN1367438B/en not_active Expired - Lifetime
- 2002-03-13 TW TW91104315A patent/TWI245217B/en not_active IP Right Cessation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1215488A (en) * | 1996-02-05 | 1999-04-28 | 西门子公司 | Device for processing and storage of data |
| JP2000285635A (en) * | 1999-03-31 | 2000-10-13 | Matsushita Electric Ind Co Ltd | Non-contact memory collectively reading coil array |
| CN1317766A (en) * | 2000-04-11 | 2001-10-17 | 姚立和 | Multi-interface memory card and its adapter module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1367438A (en) | 2002-09-04 |
| TWI245217B (en) | 2005-12-11 |
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