CN2513159Y - Micro flashing storage card with serial bus interface - Google Patents
Micro flashing storage card with serial bus interface Download PDFInfo
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- CN2513159Y CN2513159Y CN01258240U CN01258240U CN2513159Y CN 2513159 Y CN2513159 Y CN 2513159Y CN 01258240 U CN01258240 U CN 01258240U CN 01258240 U CN01258240 U CN 01258240U CN 2513159 Y CN2513159 Y CN 2513159Y
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- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 18
- 238000013500 data storage Methods 0.000 description 10
- 230000006870 function Effects 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 230000005693 optoelectronics Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000009385 viral infection Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/0604—Improving or facilitating administration, e.g. storage management
- G06F3/0607—Improving or facilitating administration, e.g. storage management by facilitating the process of upgrading existing storage systems, e.g. for improving compatibility between host and storage device
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0655—Vertical data movement, i.e. input-output transfer; data movement between one or more hosts and one or more storage devices
- G06F3/0661—Format or protocol conversion arrangements
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/0671—In-line storage system
- G06F3/0673—Single storage device
- G06F3/0679—Non-volatile semiconductor memory device, e.g. flash memory, one time programmable memory [OTP]
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/10—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers
- G11C7/1006—Data managing, e.g. manipulating data before writing or reading out, data bus switches or control circuits therefor
Abstract
The utility model relates to a micro flashing storage card with serial bus interface, belonging to the outer storage equipment of an electronic digital data processing appliance, in particular to a CF card which complies with the index of the CFA technology. The flashing storage card contains a CF-ATA interface or a PCMCIA interface or a True IDE interface 40, as well as at least one serial bus interface 50 which is electrically connected to a host computer through a cable, a mechanical write protect switch or an electronic write protect switch, an indicator light under read and write situation and an indicator light under communication situation. The serial bus interface 50 is normally a USB interface 51. Compared to the prior art, the utility model requires no additional equipment but a cable to directly exchange data file with host computer as well as be used as a storage equipment outside the host computer system. The utility model not only facilitates users, expends the application range and function of the CF card, realizes simple and rapid data exchange and transport between electronic equipment, simplifies the usage of the CF card, but also reduces the allocation cost of various mini type digital product.
Description
Technical field the utility model relates to the peripheral storage device that electric numerical data is handled articles for use, relate in particular to and meet CFA (CompactFlash Association, mini-flash storage card association) CompactFlash of technical indicator (mini-flash storage card), it is the CF/CF+ card, hereinafter to be referred as the CF card, relate in particular to a kind of CF card with serial bus interface.
Background technology is along with electronic technology is flourish, people are using the digital product of various more and more miniaturization widely, as digital camera, palm PC, Hand Personal Computer, notebook computer, digital Video Camera, MP3 music player etc., the data storage technology that these digital products adopt makes rapid progress.The CF card is based on a kind of peripheral storage device of flash medium (Flash Memory) design.The CF card is because memory capacity is big, writing speed is fast, excellent performance such as low in energy consumption and the main flow of mobile storage product of becoming day by day.For example adopt the small and exquisite portable palm PC and the Hand Personal Computer of embedded OS, can plug at any time because of using the CF card, removable, can store jumbo file or data; Also can come the swap data file between the distinct electronic apparatuses by the CF card.But the use of CF card still is not very convenient: it need could use (as PCMCIA CF card adapter) by special-purpose CF card adapter on notebook computer; Need could on desktop computer, use (as USB CF card reader) by the CF card reader of special use, so 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 download content to the CF card to main frame or from main frame with the content uploading in the CF card, and inconvenience is arranged in the use.
In order to further facilitate the user, particularly realize exchanging quickly and easily, transmitting between the various electronic equipments data or file, to realize seamless link, need a kind of new technology to simplify the use of CF card, also reduce the configuration expense simultaneously.
The summary of the invention the purpose of this utility model is to avoid above-mentioned the deficiencies in the prior art part and proposes a kind of CF card that improves structure that has, in other words, for the CF card increases new connecting interface, do not need to make it the extras just can be directly and data handling system host exchanging data file, and the External memory equipment that can be used as host computer system use.
The purpose of this utility model can be by realizing by the following technical solutions: design, make a kind of CFA of meeting technical indicator and have the mini-flash storage card of serial bus interface, it is the CF card, comprise CF-ATA interface or pcmcia interface or True ide interface, also comprise the serial bus interface that at least one can be electrically connected with main frame by cable, this serial bus interface is positioned on the end face of not establishing CF-ATA interface or pcmcia interface or True ide interface on the described mini-flash storage card.
Above-mentioned serial bus interface can be USB (USB (universal serial bus)) interface, and described CF cartoon is crossed the USB Mass Storage agreement that this USB interface supports that USB-IF (USB Implementers Forum means USB user forum) recommends; Described serial bus interface also can be IEEE 1394 interfaces, or USB and 1,394 two kinds of interfaces of IEEE, 1,394 two kinds of interfaces of this USB and IEEE are positioned at the same end face of not establishing CF-ATA interface or pcmcia interface or True ide interface jointly or lay respectively on its different end faces.
The utility model CF card has permission or forbids write-protect switch machinery or electronics of write data, and this write-protect switch is positioned on the end face of not establishing CF-ATA interface or pcmcia interface or True ide interface.This switch plays the write-protect effect, can protect data and the file stored in the described card, prevents that these data and file from being deleted by mistake, being modified or by virus infections.
The utility model CF card also has the pilot lamp of expression read-write state and connected state, and this pilot lamp is positioned on the bigger plane of two areas or on other end face.
Compare with prior art, the utlity model has the CF card of serial bus interface, on common CF card, install serial bus interface additional, make it not need extras and only use a cable just directly with computer host system swap data file, and can be used as the external memory device use of host computer system.This has not only made things convenient for the user, has also enlarged the utilization scope and the function of CF card, has realized exchanging quickly and easily between the various electronic equipments and transmitting data, has simplified the use of CF card, has also reduced the configuration expense.
Description of drawings
Fig. 1 is the general utility functions block diagram of the utility model CF card;
Fig. 2 is the functional block diagram that described CF card adopts USB interface;
Fig. 3 is the functional block diagram that described CF card adopts IEEE 1394 interfaces;
Fig. 4 is that described CF card is with the functional block diagram of fashionable dress with USB and 1,394 two kinds of interfaces of IEEE;
Fig. 5 is the utility model internal work flow process figure of embodiment as shown in Figure 2;
Fig. 6 is the profile synoptic diagram of each most preferred embodiment of the utility model;
Fig. 7 is as shown in Figure 2 in the most preferred embodiment, the circuit theory diagrams of the control of usb bus interface and storage controlling sub 31;
Fig. 8 is among the described same embodiment, the circuit theory diagrams of USB interface 51;
Fig. 9 is among the described same embodiment, the circuit theory diagrams of flash memory submodule 10;
Figure 10 is among the described same embodiment, the circuit theory diagrams of write-protect switch and status indicator lamp submodule 60;
Figure 11 is among the described same embodiment, control of CF card and the circuit theory diagrams of storing controlling sub 20;
Figure 12 is among the described same embodiment, the circuit theory diagrams of CF-ATA interface or pcmcia interface or True ide interface 40.
Embodiment is described in further detail below in conjunction with each most preferred embodiment shown in the accompanying drawing.
As shown in Figure 1, the utlity model has the mini-flash storage card of serial bus interface, promptly the CF card comprises CF-ATA interface or pcmcia interface or True ide interface 40, also comprises the serial bus interface 50 that at least one can be electrically connected with main frame by cable.In addition, this CF card and comprise flash memory submodule 10, controller module, write-protect switch and status indicator lamp submodule 60.Described controller module comprises the control of CF card and storage controlling sub 20 and serial bus interface control and storage controlling sub 30.Described CF card control electrically connects with storage controlling sub 30 with flash memory submodule 10 and serial bus interface control respectively with storage controlling sub 20; Described serial bus interface control is electrically connected with write-protect switch and status indicator lamp submodule 60 with storage controlling sub 30; In user mode, CF card control with store controlling sub 20 and be electrically connected with electronic equipment with the corresponding interface by CF-ATA interface or pcmcia interface or True ide interface 40; Serial bus interface control is electrically connected with host computer system by serial bus interface 50 with storage controlling sub 30.Above-mentioned connection all supporting signal and data double-way is flowed.
This CF cartoon with serial bus interface of the utility model is crossed CF-ATA interface or pcmcia interface or True ide interface 40 and can be inserted various electronic, and for example palm PC, digital camera, MP3 etc. carry out data and transmission of Information and storage; Can insert host computer system by serial bus interface 50, make it directly on this equipment, read and write data as the External memory equipment that is electrically connected with host computer system.
The utility model CF card also comprises write-protect switch machinery or electronics, and this write-protect switch can be positioned on other end face that does not have CF-ATA interface or pcmcia interface or True ide interface 40, and its function is the write data permission or forbids.This switch can make described CF card be in the write-protect state, protects data and the file stored in it, prevents that these data and file from being deleted by mistake, being modified or by virus infections.This switch can be that the single-pole double-throw (SPDT) mechanical switch is pasted on the surface or by the optoelectronic switch of optoelectronic induction.
The utility model CF card comprises the pilot lamp of expression read-write state and connected state again, this pilot lamp can be positioned on the bigger plane of two areas of described card, also can be positioned on other end face, in order to represent the state of described CF card, for example the flicker of this pilot lamp can represent that data transmit or read and write.
The function of described flash memory submodule 10 is that storage is by CF-ATA interface or pcmcia interface or True ide interface 40, perhaps data and the information that receives by serial bus interface 50, this submodule 10 can be stored the data file of driver of the present utility model and various other types etc.
The control of described CF card and storage controlling sub 20 use prior aries are finished being electrically connected of described CF card and external electronic device, explain simultaneously, conversion, the related protocol of control and transmission CF-ATA interface or pcmcia interface or True ide interface 40, finish initialization and control to CF-ATA interface or pcmcia interface or True ide interface 40, order and data that acceptance is transmitted from external electronic device, explain and carry out this order, with described data storage to flash memory submodule 10 or from this flash memory submodule 10 reading of data, execution result is returned to external electronic device by CF-ATA interface or pcmcia interface or True ide interface 40.
The control of described serial bus interface and storage controlling sub 30 use prior aries are finished being electrically connected of described CF card and host computer system, explain simultaneously, change, control and transmit serial interface protocol, finish initialization and control to serial bus interface 50, order and data, the explanation that acceptance is sent from main frame also carried out this order, described data storage in flash memory submodule 10 or from reading of data wherein, is returned to host computer system with execution result by serial bus interface 50.
The used serial bus interface 50 of the utility model can be a plurality of different serial bus interfaces, and can be various existing serial bus interfaces, includes but not limited to USB interface and IEEE 1394 interfaces.Serial bus interface 50 also can be to have realized the electrical standard of serial port protocol of standard but the bus interface of its physical size structure criteria of right and wrong, can be electrically connected with the standard serial bus interface of external electronic device or host computer system by a cable during actual the use, this cable one end is the interface plug that the serial bus interface physical size structure with described CF card is complementary, and the other end then is the standard interface plug that the standard serial bus interface physical size structure with electronic equipment or host computer system is complementary.
Shown in Figure 2 is a most preferred embodiment of the utility model CF card, its storage medium adopts the semiconductor flash memory, its serial bus interface is USB (USB (universal serial bus)) interface 51, and described CF cartoon is crossed this USB interface 51 and supported the USB Mass Storage agreement that USB-IF recommends.Described CF card also comprises flash memory submodule 10 and controller module; And except that comprising the original CF-ATA interface of CF card or pcmcia interface or True ide interface 40, also comprise USB interface 51, and write-protect switch and status indicator lamp submodule 60.Described controller module comprises the control of CF card and storage controlling sub 20 and control of usb bus interface and storage controlling sub 31.Described CF card control is electrically connected with storage controlling sub 31 with flash memory submodule 10 and the control of usb bus interface respectively with storage controlling sub 20.The control of usb bus interface is electrically connected with write-protect switch and status indicator lamp submodule 60 with storage controlling sub 31.In user mode, CF card control with store controlling sub 20 and also be electrically connected with electronic equipment with the corresponding interface by CF-ATA interface or pcmcia interface or True ide interface 40; Usb bus control is electrically connected with host computer system by USB interface 51 with storage controlling sub 31, and above-mentioned connection all supporting signal and data double-way is mobile.
The CF cartoon of present embodiment is crossed CF-ATA interface or pcmcia interface or True ide interface 40 can insert various electronic, and for example palm PC, digital camera, MP3 etc. carry out data and transmission of Information and storage; Can insert host computer system by USB interface 51, as the External memory equipment that is electrically connected with it host computer system can directly be read and write data thereon, this moment, the CF card of present embodiment can be used as USB Mass Storage equipment, support the USB Mass Storage agreement that USB-IF recommends, thereby make this CF card automatically by Windows Me, Windows 2000, Windows XP, MacOS9.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.
Flash memory in the flash memory submodule 10 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 utility model and various other types.
Usb bus interface control with store controlling sub 31 and finish and being connected of host computer system, and explain, change, control and transmission USB interface agreement, finish order and data, the explanation that the initialization of USB interface and control, acceptance are sent from host computer system and carry out order that host computer system sends, with data storage to flash memory submodule 10 or from flash memory submodule 10 reading of data, execution result is returned to host computer system by USE interface 51.
Usb bus interface control with store controlling sub 31 and also can finish and being electrically connected of other external electronic device, and explain, conversion, control and transmission CF-ATA interface or pcmcia interface or True ide interface 40 agreements, finish order and data, the explanation that the initialization of CF-ATA interface or pcmcia interface or True ide interface 40 and control, acceptance are transmitted from external electronic device and carry out this order, with data storage to flash memory submodule 10 or from flash memory submodule 10 reading of data, execution result is returned to external electronic device.
Realize the control of CF card and store the function of controlling sub 20 and usb bus control, can use monolithic chip, also can use the polylith chip with storage controlling sub 31.
Shown in Figure 3 is another most preferred embodiment of the present utility model, and its serial bus interface is the IEEE1394 interface.This Embodiment C F card also comprises flash memory submodule 10, controller module, write-protect switch and status indicator lamp submodule 60 except that comprising CF-ATA interface or pcmcia interface or True ide interface 40 and IEEE 1394 interfaces 52.Controller module comprises the control of CF card and storage controlling sub 20 and control of IEEE 1394 bus interface and storage controlling sub 32.The control of CF card is electrically connected with storage controlling sub 32 with flash memory submodule 10 and the control of IEEE 1394 bus interface respectively with storage controlling sub 20; IEEE 1394 total line traffic controls are electrically connected with write-protect switch and status indicator lamp submodule 60 with storage controlling sub 32.In user mode, CF card control with store controlling sub 20 and be electrically connected with electronic equipment with the corresponding interface by CF-ATA interface or pcmcia interface or True ide interface 40; The control of IEEE 1394 bus interface is electrically connected with host computer system by IEEE 1394 interfaces 52 with storage controlling sub 32.Above-mentioned connection all supporting signal and data double-way is flowed.
In the present embodiment, described flash memory submodule 10 comprises one or more flash chip, connects by existing addressing mode, and this submodule 10 can be stored the data file of driver of the present utility model and other type.IEEE 1394 interfaces 52 can be IEEE 1394 interfaces of standard, IEEE 1394 interfaces that also can the criteria of right and wrong, IEEE 1394 interfaces 52 of present embodiment can be that electric signal and physical arrangement and size all meet IEEE 1394 standards in other words, or have only its electric signal to meet the IEEE1394 standard, but its physical arrangement and be of a size of non-IEEE 1394 standards.
IEEE 1394 bus interface control is finished and being electrically connected of host computer system with storing controlling sub 32, and explains, changes, controls and transmit 1394 bus inferface protocols; Finish order and data, the explanation that the initialization of IEEE 1394 interfaces 52 and control, acceptance are sent from host computer system and carry out this order, with data storage to flash memory submodule 10 or from flash memory submodule 10 reading of data, execution result is returned to host computer system by IEEE 1394 interfaces 52.
IEEE 1394 bus interface control and storage controlling sub 32 also can be finished and being electrically connected of external electronic device, and explain, conversion, control and transmit CF-ATA interface or pcmcia interface or True ide interface 40 interface protocols; Finish order and data, the explanation that the initialization of CF-ATA interface or pcmcia interface or True ide interface 40 and control, acceptance are transmitted from external electronic device and carry out this order, with data storage to flash memory submodule 10 or from flash memory submodule 10 reading of data, execution result is returned to external electronic device.
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 the IEEE1394 standard, but its physical arrangement and be of a size of non-IEEE 1394 standards.
Realize the control of CF card and store the function of controlling sub 20 and IEEE 1394 bus interface control, can use monolithic chip, also can use the polylith chip with storage controlling sub 32.
Shown in Figure 4 is a most preferred embodiment more of the present utility model, this CF card is equipped with USB interface and IEEE 1394 interfaces simultaneously, and corresponding interface control and storage control module, the function of its interface control and storage control module can be finished with chip piece or polylith chip.This Embodiment C F card comprises flash memory submodule 10, controller module, CF-ATA interface or pcmcia interface or True ide interface 40, USB interface 51, IEEE 1394 interfaces 52 and write-protect switch and status indicator lamp submodule 60.Described controller module comprises the control of CF card and storage controlling sub 20 and USB and control of IEEE 1394 bus interface and storage controlling sub 33.The control of CF card is electrically connected with storage controlling sub 33 with the control of IEEE1394 bus interface with flash memory submodule 10 and USB respectively with storage controlling sub 20; USB is electrically connected with write-protect switch and status indicator lamp submodule 60 with storage controlling sub 33 with the control of IEEE 1394 bus interface.In user mode, CF card control and storage controlling sub 20 are electrically connected with the electronic equipment with the corresponding interface by CF-ATA interface or pcmcia interface or True ide interface 40, and USB and IEEE 1394 bus interface are controlled and stored controlling sub 33 and be electrically connected with computer host system by USB interface 51 or IEEE 1394 interfaces 52.Above-mentioned connection all supporting signal and data double-way is flowed.
In the present embodiment, flash memory submodule 10 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 utility model and other type.Used USB interface 51 and IEEE 1394 interfaces 52 can be the USB interface and IEEE 1394 interfaces of standard, for example standard micro USB interface and IEEE 1394 interfaces, USB interface and IEEE 1394 interfaces that also can the criteria of right and wrong.IEEE 1394 interfaces 52 of present embodiment can be that electric signal and physical arrangement and size all meet IEEE 1394 standards in other words, or have only its electric signal to meet the IEEE1394 standard, but its physical arrangement and be of a size of non-IEEE 1394 standards, and USB interface 51 can be that electric signal and physical arrangement and size all meet the USB standard, or have 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 IEEE 1394 bus interface with store controlling sub 33 and finish and being connected of host computer system, and explain, conversion, control and transmission this interface protocol respectively, finish initialization and control to USB interface 51 or IEEE 1394 interfaces 52, order and data, the explanation that acceptance is sent from main frame also carried out this order, with data storage to flash memory submodule 10 or from flash memory submodule 10 reading of data, execution result is returned to host computer system by USB interface 51 or IEEE 1394 interfaces 52.
The control of USB and IEEE 1394 bus interface with store controlling sub 33 and also can finish and being electrically connected of external electronic device, and explain, change, control and transmission CF-ATA interface or pcmcia interface or True ide interface 40 interface protocols, finish initialization and control to CF-ATA interface or pcmcia interface or True ide interface 40, order and data, the explanation that acceptance is transmitted from external electronic device also carried out this order, with data storage to flash memory submodule 10 or from flash memory submodule 10 reading of data, execution result is returned to external electronic device.
Fig. 5 be the utility model as shown in Figure 2 most preferred embodiment be electrically connected external electronic device by CF-ATA interface or pcmcia interface or True ide interface 40, internal work flow process figure when being electrically connected with host computer system by USB interface again, this flow process comprises the steps:
The first step: judge access device at CF-ATA interface or pcmcia interface or True ide interface 40 still in USB interface 51;
Second step: if CF-ATA interface or pcmcia interface or True ide interface 40 have equipment to insert, then its built-in function is as standard C F card;
The 3rd step:, obtain power supply from USB interface 51 if USB interface has equipment to insert; The initialization USB interface, control of initialization usb bus interface and storage controlling sub 31; Detect flash memory submodule 10, therefrom read the specific information of the utility model memory storage;
The 4th step: judge whether it is read data request, if read data operation requests, the evil idea that then logical address is converted into the sequence number of flash chip and the physical address on this flash chip and skips in the flash memory according to bad piece recorded information is fast, 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 bad piece in the flash memory according to bad piece recorded information, new 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 host computer system is closed electricity, or takes off described memory device CF card from host computer system, this equipment will quit work, but the information that has deposited in will keep.
Fig. 6 is the profile synoptic diagram of the utility model each most preferred embodiment A, B, C, D, and it has showed the relative position of relevant interface and pilot lamp and write-protect switch.Embodiment A, B have only a kind of serial line interface: USB interface or IEEE 1394 interfaces; Embodiment C, D have two kinds of serial line interfaces: USB interface and IEEE 1394 interfaces; Four embodiment have CF-ATA interface or pcmcia interface or True ide interface, and pilot lamp and switch; These interfaces, pilot lamp and switch are distributed on four end faces of CF card, and this distribution can have different combinations, be not limited to that Fig. 6 shows four kinds.
Fig. 7 is circuit theory diagrams of the control of usb bus interface and storage controlling sub 31 in the most preferred embodiment as shown in Figure 2, adopts 48 pin NT2005A512-LQFP48 chips, and the 1st pin of this chip is connected in series 0.1 microfarad capacitor C, 1 back ground connection; Its 2-5,7-10,40-48 pin connect control of CF card and the identical pin of PD sequence number of storing controlling sub 20 chips U3 and CF-ATA interface or pcmcia interface or True ide interface 40 chips CF-CN1 respectively according to the PD sequence number; The direct ground connection of 6,15,25 and 33 pins of this chip; 11,12,13 pin connect 34,35 and 37 pins of CF-CN1 chip in CF-ATA interface or pcmcia interface or the True ide interface 40 respectively; 14 pins of this chip are connected to power supply DVDD and pass through 0.1 microfarad capacitor C, 8 ground connection; Meet 12MHz crystal oscillator Y1 between its 16 and 17 pin, and the GPIO sequence number of 18,26,30,31,32 pins is used as and is deposited in specific information.
Fig. 8 is the circuit theory diagrams of USB interface 51 among the described same embodiment, and interface chip J1 introduces bus power source B-VCC, provides power supply DVDD for the CF card after inductance L 1, L2, capacitor C 12, C15, C16 filtering.
Fig. 9 is still the circuit theory diagrams of flash memory submodule 10 among the described same embodiment, flash chip U4, U5 adopt 48-TSOP1-1220F, and its I/O heel connects control of CF card and the identical pin of HD sequence number of storing controlling sub 20 chips U3 according to the HD sequence number.
Figure 10 is circuit theory diagrams of write-protect switch and status indicator lamp submodule 60 in the most preferred embodiment as shown in Figure 2 still, and pilot lamp adopts light emitting diode D1; The two pins of write-protect switch S1, HWP-is meant hardware protection, SWP-is meant software protection.
Figure 11 is control of CF card and the circuit theory diagrams of storing controlling sub 20 among the described same embodiment; Its chip U3 adopts F1-8XU2100, and this chip connects the control of usb bus interface and 2-5,7-10, the 40-48 pin of storing controlling sub 31 chips U1 according to the PD sequence number; Its each pin of HD sequence number connects the flash chip U4 in the flash memory submodule 10, the respective pins of U5.
Figure 12 is still the circuit theory diagrams of CF-ATA interface among this same embodiment or pcmcia interface or True ide interface 40, adopt chip CF-CN1, this chip connects the control of usb bus interface and stores controlling sub 31 chips U1 and CF card control each respective pins with storage controlling sub 20 chips U3 according to the PD sequence number.
Claims (10)
1. the mini-flash storage card with serial bus interface comprises CF-ATA interface or pcmcia interface or True ide interface (40), it is characterized in that:
Also comprise the serial bus interface (50) that at least one can be electrically connected with main frame by cable.
2. mini-flash storage card according to claim 1 is characterized in that:
Also comprise write-protect switch machinery or electronics.
3. mini-flash storage card according to claim 1 is characterized in that:
The pilot lamp that also comprises expression read-write state and connected state.
4. mini-flash storage card according to claim 1 is characterized in that:
Described serial bus interface (50) is USB (USB (universal serial bus)) interface (51), and described mini-flash storage card is supported the USB MassStorage agreement that USB-IF recommends by this USB interface (51).
5. mini-flash storage card according to claim 1 is characterized in that:
Described serial bus interface (50) is IEEE 1394 interfaces (52).
6. mini-flash storage card according to claim 1 is characterized in that:
Described serial bus interface (50) comprises USB interface (51) and IEEE 1394 interfaces (52).
7. mini-flash storage card according to claim 1 is characterized in that:
Also comprise flash memory submodule (10), controller module, write-protect switch and status indicator lamp submodule (60); Described controller module comprises the control of CF card and storage controlling sub (20) and serial bus interface control and storage controlling sub (30); Described CF card control is electrically connected with storage controlling sub (30) with flash memory submodule (10) and serial bus interface control respectively with storage controlling sub (20); Described serial bus interface control is electrically connected with write-protect switch and status indicator lamp submodule (60) with storage controlling sub (30); In user mode, CF card control and storage controlling sub (20) are electrically connected with the electronic equipment with the corresponding interface by CF-ATA interface or pcmcia interface or True ide interface (40), and serial bus interface is controlled and stored controlling sub (30) and be electrically connected with computer host system by serial bus interface (50); Above-mentioned connection all supporting signal and data double-way is flowed.
8. mini-flash storage card according to claim 4 is characterized in that:
Also comprise flash memory submodule (10), controller module, write-protect switch and status indicator lamp submodule (60); Described controller module comprises the control of CF card and storage controlling sub (20) and control of usb bus interface and storage controlling sub (31); Described CF card control is electrically connected with storage controlling sub (31) with flash memory submodule (10) and the control of usb bus interface respectively with storage controlling sub (20); Described usb bus interface control is electrically connected with write-protect switch and status indicator lamp submodule (60) with storage controlling sub (31); In user mode, CF card control with store controlling sub (20) and be electrically connected with electronic equipment with the corresponding interface by CF-ATA interface or pcmcia interface or True ide interface (40); The control of usb bus interface is electrically connected with computer host system by USB interface (51) with storage controlling sub (31); Above-mentioned connection all supporting signal and data double-way is flowed.
9. mini-flash storage card according to claim 5 is characterized in that:
Also comprise flash memory submodule (10), controller module, write-protect switch and status indicator lamp submodule (60); Described controller module comprises the control of CF card and storage controlling sub (20) and IEEE 1394 total line traffic controls and storage controlling sub (32); Described CF card control is electrically connected with storage controlling sub (32) with flash memory submodule (10) and the total line traffic control of IEEE1394 respectively with storage controlling sub (20); Described IEEE 1394 total line traffic controls are electrically connected with write-protect switch and status indicator lamp submodule (60) with storage controlling sub (32); In user mode, CF card control with store controlling sub (20) and be electrically connected with electronic equipment with the corresponding interface by CF-ATA interface or pcmcia interface or True ide interface (40); IEEE 1394 total line traffic controls are electrically connected with computer host system by IEEE 1394 interfaces (52) with storage controlling sub (32); Above-mentioned connection all supporting signal and data double-way is flowed
10. mini-flash storage card according to claim 6 is characterized in that:
Also comprise flash memory submodule (10), controller module, write-protect switch and status indicator lamp submodule (60); Described controller module comprises the control of CF card and storage controlling sub (20), USB and IEEE 1394 total line traffic controls and storage controlling sub (33); Described CF card control is electrically connected with storage controlling sub (33) with IEEE 1394 total line traffic controls with flash memory submodule (10) and USB respectively with storage controlling sub (20); Described USB is electrically connected with write-protect switch and status indicator lamp submodule (60) with storage controlling sub (33) with IEEE 1394 total line traffic controls; In user mode, CF card control with store controlling sub (20) and be electrically connected with electronic equipment with the corresponding interface by CF-ATA interface or pcmcia interface or True ide interface (40); USB is electrically connected with computer host system by USB interface (51) or IEEE 1394 interfaces (52) with storage controlling sub (33) with IEEE 1394 total line traffic controls; Above-mentioned connection all supporting signal and data double-way is flowed.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01258240U CN2513159Y (en) | 2001-11-23 | 2001-11-23 | Micro flashing storage card with serial bus interface |
| TW091202801U TWM240645U (en) | 2001-11-23 | 2002-03-08 | Micro flash memory card with an USB interface |
| 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 |
| JP2002002985U JP3090766U (en) | 2001-11-23 | 2002-05-22 | Compact Flash memory card with serial bus interface |
| KR2020020016288U KR200290065Y1 (en) | 2001-11-23 | 2002-05-28 | Compact flash memory card having serial bus interface |
| 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 |
|---|---|---|---|
| CN01258240U CN2513159Y (en) | 2001-11-23 | 2001-11-23 | Micro flashing storage card with serial bus interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2513159Y true CN2513159Y (en) | 2002-09-25 |
Family
ID=33666852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN01258240U Expired - Lifetime CN2513159Y (en) | 2001-11-23 | 2001-11-23 | Micro flashing storage card with serial bus interface |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP3090766U (en) |
| KR (1) | KR200290065Y1 (en) |
| CN (1) | CN2513159Y (en) |
| TW (1) | TWM240645U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004029811A1 (en) * | 2002-09-26 | 2004-04-08 | Netac Technology Co., Ltd. | Device and method for providing data exchange and storage |
| CN1296798C (en) * | 2002-02-05 | 2007-01-24 | 劲永科技（苏州）有限公司 | Low thickness connector for USB interface and its storing device of memory |
| CN100354800C (en) * | 2004-06-15 | 2007-12-12 | 英业达股份有限公司 | Data accessing system and method |
| CN100354797C (en) * | 2003-01-20 | 2007-12-12 | 株式会社高崎共同电脑中心 | Input-output device |
| WO2017012487A1 (en) * | 2015-07-22 | 2017-01-26 | 深圳市特博赛科技有限公司 | Data transmission system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4381036B2 (en) * | 2003-06-02 | 2009-12-09 | 株式会社バッファロー | USB storage device |
-
2001
- 2001-11-23 CN CN01258240U patent/CN2513159Y/en not_active Expired - Lifetime
-
2002
- 2002-03-08 TW TW091202801U patent/TWM240645U/en not_active IP Right Cessation
- 2002-05-22 JP JP2002002985U patent/JP3090766U/en not_active Expired - Lifetime
- 2002-05-28 KR KR2020020016288U patent/KR200290065Y1/en not_active IP Right Cessation
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1296798C (en) * | 2002-02-05 | 2007-01-24 | 劲永科技（苏州）有限公司 | Low thickness connector for USB interface and its storing device of memory |
| 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 |
| CN100354797C (en) * | 2003-01-20 | 2007-12-12 | 株式会社高崎共同电脑中心 | Input-output device |
| CN100354800C (en) * | 2004-06-15 | 2007-12-12 | 英业达股份有限公司 | Data accessing system and method |
| WO2017012487A1 (en) * | 2015-07-22 | 2017-01-26 | 深圳市特博赛科技有限公司 | Data transmission system |
Also Published As
| Publication number | Publication date |
|---|---|
| KR200290065Y1 (en) | 2002-09-26 |
| TWM240645U (en) | 2004-08-11 |
| JP3090766U (en) | 2002-12-26 |
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Patentee address after: 518057 Guangdong city of Shenzhen province Nanshan District Gao Xin Road Chinese Development Institute of science and technology incubator building, six floor Patentee address before: 518031 C, building 24A, 2070 electronic technology building, Shennan Middle Road, Shenzhen, Guangdong |
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Owner name: SHENZHEN CITY LANGKE TECHNOLOGY CO.,LTD. Free format text: FORMER NAME OR ADDRESS: LANGKE SCIENCE AND TECHNOLOGY CO LTD, SHENZHEN CITY |
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Address after: Building six, incubator building, China Hi tech Development Zone, Nanshan District hi tech Zone, Guangdong, Shenzhen 518057, China Patentee after: NETAC TECHNOLOGY Co.,Ltd. Address before: Guangdong city of Shenzhen province Nanshan District Gao Xin Road Chinese Development Institute of science and technology incubator building, six floor, zip code: 518057 Patentee before: Netac Technology Co.,Ltd. |
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