CN1367438A - Semiconductor storage method for supporting several interfaces and device - Google Patents

Semiconductor storage method for supporting several interfaces and device Download PDF

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Publication number
CN1367438A
CN1367438A CN 02114882 CN02114882A CN1367438A CN 1367438 A CN1367438 A CN 1367438A CN 02114882 CN02114882 CN 02114882 CN 02114882 A CN02114882 A CN 02114882A CN 1367438 A CN1367438 A CN 1367438A
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China
Prior art keywords
interface
module
semiconductor storage
data
usb
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CN 02114882
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Chinese (zh)
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CN1367438B (en
Inventor
邓国顺
成晓华
向锋
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LANGKE SCIENCE AND TECHNOLOGY Co Ltd SHENZHEN CITY
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LANGKE SCIENCE AND TECHNOLOGY Co Ltd SHENZHEN CITY
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Priority to CN 02114882 priority Critical patent/CN1367438B/en
Priority to TW91104315A priority patent/TWI245217B/en
Priority to AU2002304041A priority patent/AU2002304041A1/en
Priority to PCT/CN2002/000341 priority patent/WO2003044732A1/en
Publication of CN1367438A publication Critical patent/CN1367438A/en
Priority to US10/261,001 priority patent/US6795327B2/en
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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

Support the semiconductor memory method and the device of multiple interfaces
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 are subjected to 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, Hand Personal Computer, 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 to 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.
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 Hand Personal Computer, can plug at any time, removable, can store high capacity file or data; Also can come swap data, file between the distinct electronic apparatuses by the CF card.But the CF cacaine is the interface that has only a kind of standard, still is not very convenient so use: when it uses on notebook computer, and need be by the CF card adapter (as PCMCIA CF card adapter) of special use; When on desktop computer, using, need CF card reader (as 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 card reader is lost because of carelessness or damaged, 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 above-mentioned the deficiencies in the prior art part and a kind of semiconductor memory method and device of supporting multiple interfaces is provided, make it not need extra equipment and directly be connected and read and write with various data handling systems, with memory device as various data handling systems, swap data between various data handling systems.
Purpose of the present invention can be by realizing by the following technical solutions: propose a kind of semiconductor memory method of supporting multiple interfaces, comprise the steps:
A., semiconductor storage is set, within it the dress semiconductor storage that can store data
Medium module, and control described semiconductor storage controller module and
Hold the serial of at least two various criterions, the interface mould of parallel or wireless communication interface
Piece, physically, described each module can individualism, also can merge into one
Individual or two modules;
B. by the interface of described various criterion, connect at least one and have the respective standard interface
Data handling system;
C. set up between described semiconductor storage and the described data handling system based on string
The information exchanging channel of row, parallel or wireless communication interface;
D. described semiconductor storage is by described information exchanging channel and described data place
Manage the systems exchange data, and the data that described data handling system need be stored are deposited
Storage is in described semiconductor storage medium module; Described data handling system can from
Read desired data in the described semiconductor storage.
Purpose of the present invention can also come further to realize by the following technical programs: make, use a kind of semiconductor storage that is used for the support multiple interfaces of data handling system, comprise the semiconductor storage medium module that can store data is housed, the interface module of the interface of controller module and at least two various criterions of support, the interface of described at least two various criterions comprise serial, parallel or wireless communication interface; Described controller module is electrically connected with semiconductor storage medium module and interface module, coordinates the work of each module.
Compared with prior art, the present invention is because of having the interface of two above various criterions, have the following advantages: for the data handling system with distinct interface provides convenient and practical flash memory device, and make between the various data handling systems swap data file simply and easily, reduced the configuration expense.
Data handling system of the present invention means electronic system or the device that has processor, include but not limited to digital camera, palm PC, Hand Personal Computer, 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 IEEE1394 interface;
Fig. 4 is the functional block diagram that the embodiment of the invention three adopts CF, USB and three kinds of interfaces of IEEE1394;
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, described semiconductor storage have the profile synoptic diagram of CF interface and USB interface; Fig. 6-the 2nd, described semiconductor storage have the profile synoptic diagram of CF interface and IEEE1394 interface; Fig. 6-3 and Fig. 6 the-the 4th, and described semiconductor storage has the profile synoptic diagram of CF interface, USB interface and IEEE1394 interface;
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 described in further detail the present invention below in conjunction with accompanying drawing:
As shown in Figure 1, a kind of semiconductor memory method of supporting multiple interfaces comprises the steps:
A., semiconductor storage is set, and dress is deposited with the semiconductor that can store data within it
Storage media module 10, and the controller of controlling described semiconductor storage
The serial of module 20 and at least two various criterions of support, parallel or wireless logical
The interface module 40 of letter interface; Physically, described each module can be independent
Exist, also can merge into one or two module;
B. by the interface of described various criterion, connect at least one and have respective standard and connect
The data handling system of mouth;
C. set up between described semiconductor storage and the described data handling system based on
The information exchanging channel of serial, parallel or wireless communication interface;
D. described semiconductor storage is by described information exchanging channel and described data
Disposal system swap data, and the number that need store described data handling system
According to being stored in the described semiconductor storage medium module 10; Described data processing
System can read desired data in described semiconductor storage.
Described various criterion interface is positioned at the different parts of described semiconductor storage physically.Described serial or parallel or wireless communication interface are CF (Compact Flash), USB (USB (universal serial bus)), IEEE1394, PCMCIA, True IDE, bluetooth (Bluetooth) interface or wireless lan interfaces.Described 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 described semiconductor storage inserts via described serial or parallel interface, but under the situation of using wireless communication interface, described semiconductor storage is to carry working power or introduce working power by the outside, design has the function of the duty of indication on it, realize that by the indicating device on the duty indicating module 60 described indicating device can be LED, LCD, vibrations device or microphone device.The present invention has also designed the write-protect function, is used for preventing that data from writing described storage medium module 10.Described semiconductor storage and described data handling system disconnect be connected after, the data of being stored can be kept in the described semiconductor storage.Power module 70 is set in described semiconductor storage, its function comprises makes described semiconductor storage only select a source power supply, make described semiconductor storage obtain power supply, isolate the power supply that comes from other interface simultaneously by one in the interface of described 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 the interface of controller module 20 and at least two various criterions of support, the interface of described at least two various criterions comprise serial, parallel or wireless communication interface; Described various criterion interface is positioned at the different parts of described semiconductor storage physically; Described controller module 20 is electrically connected with semiconductor storage medium module 10 and interface module 40, coordinates the work of each module.
Described controller module 20 both can be an independent module, also can comprise two or more sub-control modules, described each sub-control module and controlling each interface work of interface module 40 respectively, between each submodule by relevant interface agreement coordinate operation.
Described serial or parallel or wireless communication interface are CF (Compact Flash), USB (USB (universal serial bus)), IEEE1394, PCMCIA, True IDE or bluetooth (Bluetooth) interface or wireless lan interfaces, comprise IEEE802.11a, IEEE802.11b, IEEE802.11g.Semiconductor storage medium in the described semiconductor storage medium module 10 is flash memory (Flash Memory), DRAM, EEPROM, SRAM, SDRAM, FRAM or MRAM.The working power of described semiconductor storage inserts via described serial or parallel interface.When adopting bluetooth or wireless lan interfaces, the working power of described 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 described semiconductor storage, realize by the indicating device on the described duty indicating module 60.Described indicating device can be LED, LCD, vibrations device or microphone device.In order to prevent that data from writing in the described storage medium module 10, apparatus of the present invention include write-protect switch.The working power of apparatus of the present invention inserts via described serial or parallel interface, but under the situation of using wireless communication interface, described semiconductor storage is to carry working power or introduce working power by the outside.Also include power protecting circuit; its function comprises makes described semiconductor storage only select a source power supply; make described semiconductor storage obtain power supply, isolate the power supply that comes from other interface simultaneously by one in the interface of described at least two various criterions.
As 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 by 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 by multiple various criterion can insert multiple data handling system (as palm PC, digital camera, MP3 etc.) with the corresponding interface and carry out data and transmission of Information and storage, directly reads and writes data on dish as external memory.
Data handling system described here also claims 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, described 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 out.The data of storing on this module can be the data files of driver of the present invention and various other types etc.
Controller module 20 is finished the initialization of semiconductor storage and control; By 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 by 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 module 40 uses prior aries to set up being connected of semiconductor storage and external data disposal system, the standard agreement of realization various interface, explanation, conversion, control and transmission interface 1, interface 2 ..., and the agreement of interface n.
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 to have realized the bus interface of electrical standard of serial port protocol of standard but its physical size structure criteria of right and wrong.
State indicating module 60 is connected with controller module 20.Its indicating device is in order to the read-write state and the connected state of the semiconductor storage that expresses support for multiple interfaces, and for example the pilot lamp flicker can represent that data transmit or read and write.The present invention can design the function of the duty of various indication semiconductor storages, and realizes by the indicating device on the duty indicating module, and for example indicating device is LED, LCD, vibrations device or microphone device.
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 by mistake, being modified 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.
Power module 70 supports the working power of semiconductor storage of the present invention to obtain power supply by one in the interface of standard, isolates the power supply that comes from other interface simultaneously.Support the working power of the semiconductor storage of multiple interfaces to insert via various interface, when adopting bluetooth and wireless lan interfaces, the working power of described wireless data communication device carries working power or introduces power supply by the outside.
Embodiments of the invention one as shown in Figure 2; described 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 (universal serial bus)) bus interface control module and storage control module 22, CF interface, USB interface, write-protect switch and duty indicating module 61.The function of described CF interface control and storage control module 21 and USB (USB (universal serial bus)) bus interface 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 (universal serial bus)) bus interface 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 (universal serial bus)) bus interface 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 (as palm PC, digital camera, MP3 etc.) by 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 by 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 automatically by Windows Me, Windows 2000, Windows XP, Mac OS9.x/OS X, and Linux 2.4.x operating system is discerned, 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 for example, the On-The-Go standard), 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 and 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 by USB interface with host computer by connection converter or the connecting line that the Mini-USB interface changes USB interface.
Usb bus interface control and storage controlling sub 22 are finished and being connected of host computer system, and explain, conversion, control and transmit the USB interface agreement; Finish order and data, the explanation that the initialization of USB interface and control, acceptance are sent from main frame and carry out order that main frame sends, by 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 by USB interface.
CF interface control and storage controlling sub 21 also can be finished and being connected of other external electronic device, and explain, conversion, control and transmit the CF interface protocol; Finish order that the initialization of CF interface and control, acceptance are transmitted from external electronic device and data, explanation and fill order, with data storage to described 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.
Described CF interface control can be used single chip with storage control module 21 and usb bus control with storage controlling sub 22, also can use a plurality of chips.
Embodiments of the invention two as shown in Figure 3; described semiconductor storage is supported CF interface and IEEE1394 interface, comprising: flash memory module 11, the control of CF interface and storage control module 21 and the control of IEEE1394 bus interface and storage control module 23, CF interface, IEEE1394 interface, write-protect switch and state indicating module 61.The function of control of CF interface and storage control module 21 and the control of IEEE1394 bus interface and 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 IEEE1394 bus interface 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 the IEEE1394 interface is 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.The IEEE1394 interface can be the IEEE1394 interface of standard, IEEE1394 interface that also can the criteria of right and wrong.The IEEE1394 interface 52 that is present embodiment can be that electric signal and physical arrangement and size all meet the IEEE1394 standard, or has only its electric signal to meet the IEEE1394 standard, but its physical arrangement and be of a size of non-IEEE1394 standard.
IEEE1394 bus interface control and storage control module 23 are finished and being connected of host computer system, and explain, conversion, control and transmit the IEEE1394 bus inferface protocol; Finish order and data, the explanation that the initialization of IEEE1394 interface and control, acceptance are sent from main frame and carry out order that main frame sends, by 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 by the IEEE1394 interface.
CF interface control and storage control module 21 are finished 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; Finish order that the initialization of CF-ATA interface or pcmcia interface or True ide interface and control, acceptance are transmitted 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 IEEE1394 bus interface 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 IEEE1394 bus interface and storage control module 23.
The IEEE1394 interface of present embodiment can be that electric signal and physical arrangement and size all meet the IEEE1394 standard, or has only its electric signal to meet the IEEE1394 standard, but its physical arrangement and be of a size of non-IEEE1394 standard.The control of CF card can be used single chip with storage control module 21 and the control of IEEE1394 bus interface with storage control module 23, also can use a plurality of chips.
Embodiments of the invention three as shown in Figure 4; apparatus of the present invention have CF interface, USB interface and IEEE1394 interface simultaneously, comprise flash memory module 11, the control of CF interface and storage control module 21, USB and the control of IEEE1394 bus interface and storage control module 24, CF-ATA interface or pcmcia interface or True ide interface, USB interface, IEEE1394 interface, write-protect switch and state indicating module 61.The control of CF interface and storage control module 21, USB and the control of IEEE1394 bus interface and the function of storage control module 24 execution as Fig. 1 middle controller module 20 and interface module 40.Control is connected with storage control module 24 control of CF interface with the IEEE1394 bus interface with flash memory module 11, USB respectively with storage control module 21; USB, IEEE1394 bus interface 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 by CF-ATA interface or pcmcia interface or True ide interface; Perhaps be connected with host computer system with IEEE1394 by 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 IEEE1394 interface can be the interface of standard, for example standard micro USB interface and standard micro IEEE1394 interface, USB interface and IEEE1394 interface that also can the criteria of right and wrong.The IEEE1394 interface that is present embodiment can be that electric signal and physical arrangement and size all meet the IEEE1394 standard, or has only its electric signal to meet the IEEE1394 standard, but its physical arrangement and be of a size of non-IEEE1394 standard; 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 and be of a size of non-USB standard.
The control of USB and IEEE1394 bus interface and storage control module 24 are finished and being connected of host computer system, and explain, conversion, control and transmit the general-purpose interface agreement; Finish order and data, the explanation that the initialization of USB interface or IEEE1394 interface and control, acceptance are sent from main frame and carry out order that main frame sends, by 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 by USB interface or IEEE1394 interface.
CF interface control and storage control module 21 can be finished 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; Finish order that the initialization of CF-ATA interface or pcmcia interface or True ide interface and control, acceptance are transmitted 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 USB and IEEE1394 bus interface and 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 IEEE1394 bus interface 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 in 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, then logical address is converted into the physical address on the sequence number of flash chip and this flash chip and skips respective handling 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 the sequence number of flash chip and the physical address on this flash chip and skips respective handling 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 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 as shown in Figure 6; 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 circuit theory diagrams of the control of usb bus interface 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; 2-5, the 7-10 of U4,40-48 heel connect the identical pin of PD sequence number of CFCARD1 in chip U3 in the control of CF interface and the storage control module 21 and CF-ATA interface or pcmcia interface or the True ide interface respectively according to as shown in the figure PD sequence number; 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 by 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 by 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 circuit theory diagrams of USB interface among the embodiment one as shown in Figure 2, and interface chip J1 introduces bus power source VCC by 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 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 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 circuit theory diagrams of the control of CF interface 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 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 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 (22)

1. a semiconductor memory method of supporting multiple interfaces is characterized in that: comprise the steps:
A., semiconductor storage is set, and dress is with storing the semiconductor of data within it
Storage medium module (10), and control described semiconductor storage
Controller module (20) and support the serial of at least two various criterions, also
The interface module (40) of row or wireless communication interface; Physically, described
Each module can individualism, also can merge into one or two module;
B. by the interface of described various criterion, connect at least one and have respective standard
The data handling system of interface;
C. set up between described semiconductor storage and the described data handling system based on
The information exchanging channel of serial, parallel or wireless communication interface;
D. described semiconductor storage is by described information exchanging channel and described data
The disposal system swap data, and need store described data handling system
Data storage is in described semiconductor storage medium module (10); Described data
Disposal system can read desired data in described semiconductor storage.
2. in accordance with the method for claim 1, it is characterized in that: the controller module of described semiconductor storage (20) both can be an independent module physically, also can comprise two or more sub-control modules, described each sub-control module and controlling each interface running of interface module (40) is respectively coordinated mutually and is not conflicted.
3. it is characterized in that in accordance with the method for claim 1: described various criterion interface is positioned at the different parts of described semiconductor storage physically.
4. it is characterized in that in accordance with the method for claim 1: described serial or parallel or wireless communication interface are CF (Compact Flash), USB (USB (universal serial bus)), IEEE 1394, PCMCIA, True IDE, bluetooth (Bluetooth) or WLAN (wireless local area network) (Wireless LAN) interface.
5. in accordance with the method for claim 1, it is characterized in that: described semiconductor storage medium module, the semiconductor storage medium of use are flash memory (Flash Memory), DRAM, EEPROM, SRAM, SDRAM, FRAM or MRAM.
6. in accordance with the method for claim 1, it is characterized in that: the working power of described semiconductor storage inserts via described serial or parallel interface, but under the situation of using wireless communication interface, described semiconductor storage is to carry working power or introduce working power by the outside.
7. in accordance with the method for claim 1, it is characterized in that: design has the function of the described semiconductor storage duty of indication, realizes by the indicating device on the duty indicating module (60).
8. it is characterized in that in accordance with the method for claim 7: described indicating device is LED, LCD, vibrations device or microphone device.
9. in accordance with the method for claim 1, it is characterized in that: also design has the write-protect function, is used for preventing that data from writing described storage medium module (10).
10. in accordance with the method for claim 1, it is characterized in that: described semiconductor storage and described data handling system disconnect be connected after, the data of being stored can be kept in the described semiconductor storage.
11. in accordance with the method for claim 1, it is characterized in that: power module (70) is set in described semiconductor storage, and its function comprises makes described semiconductor storage only select a source power supply.
12. semiconductor storage of supporting multiple interfaces, it is characterized in that: comprise the semiconductor storage medium module (10) that can store data is housed, the interface module (40) of the interface of controller module (20) and at least two various criterions of support, the interface of described at least two various criterions comprise serial, parallel or wireless communication interface; Described controller module (20) is electrically connected with semiconductor storage medium module (10) and interface module (40), coordinates the work of each module.
13. according to the described device of claim 12, it is characterized in that: described controller module (20) both can be an independent module, also can comprise two or more sub-control modules, described each sub-control module and controlling each interface work of interface module (40) respectively, between each submodule by relevant interface agreement coordinate operation.
14. according to the described device of claim 12, it is characterized in that: described various criterion interface is positioned at the different parts of described semiconductor storage physically.
15. according to the described device of claim 12, it is characterized in that: described serial or parallel or wireless communication interface are CF (Compact Flash), USB (USB (universal serial bus)), IEEE1394, PCMCIA, True IDE, bluetooth (Bluetooth) or WLAN (wireless local area network) (WirelessLAN) interface.
16. according to the described device of claim 12, it is characterized in that: the interface of described at least two various criterions is CF interface and USB interface, or CF interface and IEEE1394 interface.
17. according to each described device in the claim 12 to 16, it is characterized in that: the semiconductor storage medium in the described semiconductor storage medium module (10) is flash memory (FlashMemory), DRAM, EEPROM, SRAM, SDRAM, FRAM or MRAM.
18. according to each described device in the claim 12 to 16, it is characterized in that: the working power of described semiconductor storage inserts via described serial or parallel interface, but under the situation of using wireless communication interface, described semiconductor storage is to carry working power or introduce working power by the outside.
19. according to each described device in the claim 12 to 16, it is characterized in that: also include duty indicating module (60), be used to indicate the duty of described semiconductor storage, realize by the indicating device on the described duty indicating module (60).
20. according to the described device of claim 19, it is characterized in that: described indicating device is LED, LCD, vibrations device or microphone device.
21., it is characterized in that: also comprise write-protect switch, be used for preventing that data from writing described storage medium module (10) according to each described device in the claim 12 to 16.
22. according to each described device in the claim 12 to 16, it is characterized in that: power module (70) is set in described semiconductor storage, and its function comprises makes described semiconductor storage only select a source power supply.
CN 02114882 2001-11-23 2002-02-09 Semiconductor storage method for supporting several interfaces and device Expired - Lifetime CN1367438B (en)

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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

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WO2005066806A1 (en) * 2003-12-31 2005-07-21 Netac Technology Co., Ltd. Semiconductor storage apparatus for serial advanced technology attachment-based
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WO2004029811A1 (en) * 2002-09-26 2004-04-08 Netac Technology Co., Ltd. Device and method for providing data exchange and storage
US7587554B2 (en) 2002-09-26 2009-09-08 Netac Technology Co., Ltd. Device and method for providing data exchange and storage
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WO2005066806A1 (en) * 2003-12-31 2005-07-21 Netac Technology Co., Ltd. Semiconductor storage apparatus for serial advanced technology attachment-based
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
CN100422921C (en) * 2004-06-16 2008-10-01 索尼株式会社 Storage device
CN1993702B (en) * 2005-05-18 2012-03-14 索尼株式会社 Memory card and card adapter
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WO2009067911A1 (en) * 2007-11-09 2009-06-04 Shenzhen Excelstor Technology Ltd. Mobile memory device
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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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