Connect public, paid and private patent data with Google Patents Public Datasets

Memory card shared device for computer

Info

Publication number
CN2417505Y
CN2417505Y CN 99256342 CN99256342U CN2417505Y CN 2417505 Y CN2417505 Y CN 2417505Y CN 99256342 CN99256342 CN 99256342 CN 99256342 U CN99256342 U CN 99256342U CN 2417505 Y CN2417505 Y CN 2417505Y
Authority
CN
Grant status
Grant
Patent type
Prior art keywords
card
pc
computer
circuit
intelligent
Prior art date
Application number
CN 99256342
Other languages
Chinese (zh)
Inventor
牛振有
黄飞东
李长珍
李万志
丰苏
Original Assignee
中国人民解放军第二炮兵第三研究所
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Grant date

Links

Abstract

The utility model relates to a shared device for an intelligent PC card and a PC special card which are used for a desk computer, which comprises a switching circuit, an automatic identification circuit, a PC special card logical circuit and an isolating circuit. The utility model can realize that the data of the portable computer intelligent PC card can carry out the exchange on the desk computer, the shared device is used by the non-intelligent PC private memory card with large capacity, and the data access can also be carry out with the desktop computer. The utility model has the advantages of simple structure and low cost.

Description

一种计算机用存储器卡的共享装置 A computer device with a shared memory card

本实用新型涉及一种计算机设备,特别是涉及PC卡和PC专用卡用于台式计算机的一种共享装置。 The present invention relates to a computer device, more particularly to a device shared PC card or PC cards for desktop computers.

目前智能PC卡(以下称PC卡)作为外存储器广泛地用于便携机。 Currently Smart PC Card (hereinafter referred to as PC card) as an external memory is widely used in portable machines. 它是一种内含CPU的智能存储器卡,使用时将PC卡插入便携机PCMCIA标准总线即可像磁盘一样存取数据。 It is an intelligent memory card contains a CPU, using the PC Card into the portable device like a PCMCIA standard bus to access the same disk data. 但智能PC卡不能在台式机上使用,即PC卡在便携机上存取的数据不能直接在台式机上进行互换,适用性受到限制。 However, smart cards can not be used on PC desktops, PC card data that is accessed on the portable unit can not be interchanged directly on the desktop, the applicability is limited.

电子工业出版社翻译出版的《闪速存储器用户指南》,介绍一种PC卡能在台式机上使用的试用电路,虽能用于主工作方式,但仍不具有PC卡和PC专用卡的共享能力。 Electronic Industry Press translated and published in the 'flash memory User's Guide "describes the trial circuit of a PC card can be used on the desktop, although can be used for the main work, but still have the ability to share PC card or PC card .

本实用新型的目的在于提供一种结构简单,使用方便,使PC卡和PC专用卡能直接在台式机上使用的共享装置。 Object of the present invention is to provide a simple, easy to use, so that the PC card or PC card can be used directly on the desktop sharing device.

本实用新型的构成包括转换电路、自动识别电路、PC专用卡逻辑和隔离电路。 The present invention includes a conversion circuit configuration, automatic identification circuit, PC card dedicated logic circuitry, and isolation. 其中所说的自动识别电路输入端与PCMCIA(便携机标准总线)插座相连,它有两个输出端,其一端接在转换电路,另一端接在PC专用卡逻辑。 Wherein said automatic identification circuit input terminal (portable device bus standard) is connected to the receptacle PCMCIA, which has two outputs, one end in the switching circuit, the other end of the logic card dedicated PC. 转换电路的输出接在IDE接口。 Output converting circuit is connected to the IDE interface. PC专用卡逻辑输出接在隔离电路,隔离电路输出接在转换电路输入端。 PC card dedicated logic output connected to the isolation circuit, the isolation circuit output connected to the input terminal of the conversion circuit.

本实用新型的工作过程是这样的:当PC卡插入PCMCIA插座,自动识别电路能识别当前插入的为PC卡,并将PC卡信息通过转换电路将PCMCIA接口信息转换成IDE接口信号,这样就实现了PC卡的数据在台式机上的交换信息。 The present invention works like this: When the PC card into the PCMCIA socket, automatic identification circuit to identify the current card inserted in the PC, and the PC card information via a PCMCIA interface converting circuit converts the information signal into an IDE interface, so to achieve PC data card to exchange information on the desktop. 当PC专用卡插入PCMCIA插座,自动识别电路能识别当前插入的为PC专用卡,并将PC专用卡信息通过PC专用卡逻辑通过隔离电路到转换电路,然后与台式机交换信息。 When the PC card into the PCMCIA socket dedicated, automatic recognition circuit can recognize the currently inserted card is a dedicated PC, and the PC card information through a dedicated PC card dedicated to the logic conversion circuit through an isolation circuit, and to exchange information with the desktop. 这样就实现了一个装置上既能使用PC卡,也能使用专用卡。 This realization on both a PC Card device can also use special cards. 隔离电路是为了防止PC卡信息与PC专用卡信息互相影响。 The isolation circuit is for preventing the PC card or PC card information information influence each other.

本实用新型全部部件安装在一块插件板上,将插件板上的IDE接口与计算机IDE接口相连,则可方便地进行操作。 All components of the present invention mounted on a plug-in board is connected to the IDE interface with the computer on-board IDE interface can easily operate.

该装置具有自动识别能力。 The apparatus has an automatic recognition. 当PC卡插入该装置的PCMCIA插座中,则可能实现便携机PC卡的数据和台式机进行数据交换,当PC专用卡插入该装置的PCMCIA插座中,可使PC专用卡的数据与台式机进行数据存取。 When the PC card inserted into the PCMCIA socket in the apparatus, it is possible to realize the portable data card and the computer PC desktops data exchange, when the PC card is inserted into the apparatus dedicated PCMCIA socket can special card PC desktop machine data data access.

本实用新型提供的装置,可使PC卡在便携机上存取的数据能在台式机上进行数据互换,PC专用卡在该装置上可直接与台式机进行数据存取。 The present invention provides a device, the PC card can be accessed on a portable device capable of data exchange in the data on the desktop, PC cards can be dedicated data access directly on the device and the desktop. 还具有下列优点:1. Also has the following advantages: 1. 同一个插座即可插入PC卡,也可插入PC专用卡。 With a socket to insert a PC card, special cards can be plugged into a PC.

2. 2. 成本低、应用范围广、适用性强、易于推广。 Low cost, wide application scope, applicability, easy to spread.

本实用新型的具体结构由以下的实施例及其附图给出。 The specific configuration of the present invention and the accompanying drawings given by the following examples.

图l是本实用新型的构成图。 Figure l is a block diagram of the present invention.

图2、图3是本实用新型一种最佳实施例的电路结构图。 2, FIG. 3 is a circuit configuration diagram of a preferred embodiment of the present invention embodiment.

图4是本实用新型的安装图。 FIG 4 is mounted according to the present invention FIG.

以下结合图2、图3详细描述本实施例的结构和工作过程。 Below in connection with FIG. 2, FIG. 3 described in detail the structure and operation of the present embodiment. 其中图2虚线框图Ⅰ是PC卡驱动电路,图3虚线框Ⅱ是PC专用卡控制电路,图2虚线框图Ⅶ和图3虚线框Ⅲ是PC专用卡逻辑,图3虚线框Ⅳ是PC专用卡数据线隔离电路,图3虚线框Ⅴ是PC专用卡控制和状态线隔离电路,图2虚线框图Ⅵ自动选择电路。 Wherein the dashed box in FIG. FIG. 2 is a PC card drive circuit Ⅰ, Ⅱ dashed box in FIG. 3 is a special PC card control circuits, FIG. 2 and FIG. 3 dashed box in FIG Ⅶ dashed box or PC Card logic is Ⅲ, Ⅳ dashed box in FIG. 3 is a special card PC data line isolation circuit, FIG. 3 is a dashed box ⅴ special card PC control and status line isolation circuit, FIG. 2 FIG ⅵ dashed box automatically select circuit.

图2虚线框图Ⅰ是PC卡控制电路,它由两只数据收发器74F245组成,由RG控制其是否被选通。 FIG 2 is a dashed box in FIG Ⅰ PC card control circuits, which consists of two 74F245 composed of a data transceiver, whether it is controlled by a gate RG. 当RG=0时,两只(U1、U2)74F245工作,RG=1时,两只(U1、U2)74F245不工作。 When RG = 0, two (U1, U2) 74F245 work, when RG = 1, two (U1, U2) 74F245 inoperative. 图2虚线框图Ⅶ和图3虚线框Ⅱ、Ⅲ、Ⅳ为PC专用卡控制电路,其中图3虚线框图Ⅱ是PC专用卡驱动电路,它也是由两只数据收发器74F245组成,由SG控制它们是否被选通,当SG=0时,两只(U3、U4)74F245工作,SG=1时,两只(U3、U4)74F245不工作。 Dashed box in FIG. 2 and FIG. 3 dashed box Ⅶ Ⅱ, Ⅲ, Ⅳ dedicated to PC card control circuits, wherein the dashed box in FIG. FIG. 3 is a Ⅱ dedicated PC card driver circuit which is composed of two data transceiver 74F245 composition, are controlled by the SG whether gating, when SG = 0, two (U3, U4) 74F245 work, when SG = 1, two (U3, U4) 74F245 inoperative. 图2虚线框图Ⅶ和图3虚线框Ⅲ是PC专用卡逻辑。 Dashed box in FIG. 2 and FIG. 3 dashed box Ⅶ Ⅲ is a PC card dedicated logic. 它包括DSP数字处理器,存放管理程序的MX28F2100、复位电路R3、C3、R7和时钟电路等。 It includes a digital processor DSP, storage management program MX28F2100, reset circuit R3, C3, R7, and clock circuit. 图2虚线框图Ⅶ和图3虚线框Ⅲ是这样工作的,上电复位后,DSP工作,U9/MX2F2100管理程序运行,并等待PCMCIA接口的中断请求,当扇区读/写时产生中断。 Dashed box in FIG. 2 and FIG. 3 dashed box Ⅶ Ⅲ is working, after power reset, the DSP work, U9 / MX2F2100 manager is running, and waits for the interrupt request PCMCIA interface, an interrupt is generated when the sector read / write. 图3虚线框图Ⅳ是数据线隔离电路,它由两只数据收发器74F245组成,由T/P控制其是否被选通时。 FIG Ⅳ dashed box in FIG. 3 is a data line isolation circuit, which consists of two data transceiver composition 74F245, whether it is controlled by a gated T / P. 当T/P=0时,两只(U12、U13)74F245工作,T/P=1时,两只(U12、U13)74F245不工作。 When the T / P = 0, two (U12, U13) 74F245 work, T / P = 1, two (U12, U13) 74F245 inoperative. 图3虚线框图Ⅴ是控制和状态信号隔离电路,它由DIP开关组成。 FIG dashed box in FIG. 3 is a control and status signals Ⅴ isolation circuit, which consists of DIP switches. 当DIP拨到ON位置时,来自DSP的BWAIT、BSPKR、BSTSC、BHOST、BIOIS直通到IDE接口。 When DIP ON position, BWAIT from the DSP, BSPKR, BSTSC, BHOST, BIOIS through the IDE interface. 当DIP拨到OFF位置时,DSP的BWAIT、BSPKR、BSTSC、BHOST、BIOIS与IDE接口断开。 When DIP OFF position, DSP's BWAIT, BSPKR, BSTSC, BHOST, BIOIS the IDE interface is disconnected. 图2虚线图Ⅵ是自动选择电路。 FIG 2 is a broken line in FIG Ⅵ circuit automatically selected. 此电路由74F08、74F32、74F30等电路组成互锁电路,并产生RG、SG、T/P信号,RG、SG、T/P是这样产生的,CE1~2有效为低电平,SEL无效为高电平,FCE0~7无效为高电平,则RG=0,SG=1,T/P=1。 This circuit consists 74F08,74F32,74F30 other circuit interlock circuit and generates RG, SG, T / P signal, RG, SG, T / P is generated, CE1 ~ 2 is low-active, the SEL invalid high, FCE0 ~ 7 inactive high level, the RG = 0, SG = 1, T / P = 1. 当CE1~2为有效低电平,SEL有效低电平,FCE0~7中任一信号有效为低电平,则RG=1,SG=0,T/P=O,其中CE1~2为扇区读/写时地址选择信号、SEL是来自PC卡和PC专用卡控制信号,PC卡插入PCMCIA插座,SEL=1,PC专用卡插入PCMCIA插座时,SEL=0。 When CE1 ~ 2 is active low, the SEL active low, FCE0 ~ 7 in either signal is active low, the RG = 1, SG = 0, T / P = O, wherein the fan is CE1 ~ 2 area read / write when the address selection signal, SEL from the PC card or PC card control signal, PC card into the PCMCIA socket, SEL = 1, the PC card into the PCMCIA socket dedicated, SEL = 0. FCE0~7是专用卡片选信号。 FCE0 ~ 7 dedicated card selection signal.

下面分别介绍图3和图2虚线框图Ⅰ和Ⅱ、Ⅲ、Ⅳ控制流程:当PC卡插入PCMCIA插座后,并进行扇区读/写时,图2虚线框图Ⅵ中CE1~2=0,SEL=1,FCE0~7=1,则RG=0,SG=1,T/P=1,U1、U2两只74F245工作。 The following describes a dashed box in FIG. 3 and FIG. 2 and FIG Ⅰ Ⅱ, Ⅲ, Ⅳ flow control: when the PC card is inserted into the PCMCIA socket and the sector read / write, the dashed box in FIG. 2 FIG Ⅵ CE1 ~ 2 = 0, SEL = 1, FCE0 ~ 7 = 1, then RG = 0, SG = 1, T / P = 1, U1, U2 two 74F245 work. 这样PC卡的数据就可通过图2虚线框图Ⅰ与台式机交换信息。 Such data PC card can exchange information with a desktop computer in FIG. 2 by a dashed box in FIG Ⅰ.

当PC专用插入PCMCIA插座后,并进行扇区读/写时,图2虚线图Ⅵ中CE1~2=0,SEL=0,FCE0~7任一为低,则RG=1,SG=0,T/P=0。 When inserted into the PCMCIA socket dedicated PC, and the sector read / write, a broken line in FIG. 2 FIG Ⅵ CE1 ~ 2 = 0, SEL = any one of 0, FCE0 ~ 7 a is low, the RG = 1, SG = 0, T / P = 0. 虚线框图Ⅱ、Ⅲ、Ⅳ电路工作。 FIG dashed box Ⅱ, Ⅲ, Ⅳ circuit. 因此PC专用卡的数据就可通过虚线框图Ⅱ、Ⅲ、Ⅳ与台式机交换信息电路工作。 Thus data of the PC card can exchange information with the dedicated circuit by a dashed box in FIG Ⅱ, Ⅲ, Ⅳ with the desktop.

由图2和图3组成的电路,焊接在一块插板件板上,将插件板上的IDE接口与计算机IDE接口相连,就可使智能PC卡在便携机的存取数据在台式机上使用,且非智能PC专用卡可直接在该装置上与台式机进行数据存取。 Circuit of FIG. 2 and FIG. 3 is composed of, in a welding plate member card, connected to the IDE interface with the computer on-board IDE interface would enable access to data in the PC card smart portable device for use on a desktop, and non-smart card dedicated PC with desktop directly access data on the device.

Claims (4)

1. 1. 一种计算机用存储器卡共享装置,其特征在于包括转换电路、自动识别电路、PC专用卡逻辑和隔离电路;其中所说的自动识别电路输入端与便携机标准总线PCMCIA插座相连,它有两个输出端,其一端接在转换电路,另一端接在PC专用卡逻辑;转换电路的输出接在IDE接口,PC专用卡逻辑输出接在隔离电路,隔离电路输出接在转换电路输入端。 A computer, characterized in that the memory card sharing device comprises a conversion circuit, automatic identification circuit, PC card dedicated logic circuitry, and isolation; wherein connected to said circuit input and automatic recognition portable PCMCIA bus standard sockets, it has two an output terminal, the switching circuit connected at one end, the other end of the PC card dedicated logic; output conversion circuit is connected to the IDE interface, PC card dedicated logic output connected to the isolation circuit, the isolation circuit output connected to the input of the conversion circuit.
2. 2. 权利要求1所述的计算机用存储器卡共享装置,其特征在于还包括PCMCIA插座与IDE接口有两只74F245,其中两只74F245一端连在PCMCIA插座的数据线上,另一端连在IDE接口数据线上。 The computer according to claim 1 memory card sharing device, characterized by further comprising a PCMCIA socket and the IDE interface has two 74F245, 74F245 wherein two PCMCIA data line connected at one end in the socket, and the other end attached to the IDE interface cable on.
3. 3. 权利要求1或2所述的计算机用存储器卡共享装置,其特征在于PCMCIA插座的数据线通过两只74F245与DSP相连,DSP的输出数据线通过两只74F245与IDE相连。 The computer of claim 1 or claim 2, wherein the memory card sharing device, characterized in that the PCMCIA data lines connected to the socket through two DSP 74F245, DSP output data lines connected to the IDE via two 74F245.
4. 4. 权利要求1所述的计算机用存储器卡共享装置,其特征在于该装置的全部部件安装在一块插件板上,将插件板的IDE接口用电缆连在计算机IDE接口上。 The computer according to claim 1 memory card sharing device, wherein all of the components of the device mounted on a plug-in board, the plug-in board IDE interface cable attached to the IDE interface computer.
CN 99256342 1999-12-21 1999-12-21 Memory card shared device for computer CN2417505Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 99256342 CN2417505Y (en) 1999-12-21 1999-12-21 Memory card shared device for computer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 99256342 CN2417505Y (en) 1999-12-21 1999-12-21 Memory card shared device for computer

Publications (1)

Publication Number Publication Date
CN2417505Y true CN2417505Y (en) 2001-01-31

Family

ID=34039494

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 99256342 CN2417505Y (en) 1999-12-21 1999-12-21 Memory card shared device for computer

Country Status (1)

Country Link
CN (1) CN2417505Y (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7350714B2 (en) 2000-08-04 2008-04-01 Sandisk Corporation Use of small electronic circuit cards with different interfaces in an electronic system
CN100483457C (en) 2004-04-16 2009-04-29 桑迪士克股份有限公司 Memory cards having two standard sets of contacts

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7350714B2 (en) 2000-08-04 2008-04-01 Sandisk Corporation Use of small electronic circuit cards with different interfaces in an electronic system
CN100483457C (en) 2004-04-16 2009-04-29 桑迪士克股份有限公司 Memory cards having two standard sets of contacts

Similar Documents

Publication Publication Date Title
US5566340A (en) Portable computer system with adaptive power control parameters
US5465332A (en) Selectable 8/16 bit DMA channels for "ISA" bus
US20030046495A1 (en) Streamlined cache coherency protocol system and method for a multiple processor single chip device
US5748443A (en) Mating adapter between a module and chassis of a computer processing system
US5497464A (en) Address mapping logic for transferring data between a peripheral device of a base function expander unit and a palmtop computer as if the peripheral was a peripheral of the computer
US5187792A (en) Method and apparatus for selectively reclaiming a portion of RAM in a personal computer system
US20030038177A1 (en) Passive flash media adapter system
US6684283B1 (en) Method for interfacing a cardbay card to the host system by indicating a 16-bit or cardbus PC card insertion to host software
US20050144353A1 (en) Wireless virtual storage device
US6681991B1 (en) Card reading device having a multi-functional connector
US20020083349A1 (en) System and method for handling numerous power management signals
US20050060591A1 (en) Information processor, program, storage medium, and control circuit
US6776348B2 (en) Combined flash memory card driver
US6775734B2 (en) Memory access using system management interrupt and associated computer system
US5509139A (en) Circuit for disabling an address masking control signal using OR gate when a microprocessor is in a system management mode
US5898843A (en) System and method for controlling device which is present in media console and system unit of a split computer system
CN1936934A (en) Method for integrating multiple data transmission interfaces on smart card and novel smart card
US20090112884A1 (en) Information processing apparatus and control method
US20040107310A1 (en) Method and related apparatus for maintaining data stored in a dynamic random access memory
JPS60178564A (en) Auxiliary storage device
US6606672B1 (en) Single-chip-based electronic appliance using a data bus for reading and writing data concurrently
CN1367438A (en) Semiconductor storage method for supporting several interfaces and device
CN101714021A (en) Computer of hybrid system
US20030225567A1 (en) System and method for emulating an embedded non-volatile memory
US20070011341A1 (en) Paper rack with functions of accessing and playing multimedia files

Legal Events

Date Code Title Description
C14 Granted
C19 Lapse of patent right due to non-payment of the annual fee