Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.

Patents

  1. Advanced Patent Search
Publication numberCN2417505 Y
Publication typeGrant
Application numberCN 99256342
Publication date31 Jan 2001
Filing date21 Dec 1999
Priority date21 Dec 1999
Publication number99256342.9, CN 2417505 Y, CN 2417505Y, CN 99256342, CN-Y-2417505, CN2417505 Y, CN2417505Y, CN99256342, CN99256342.9
Inventors牛振有, 黄飞东, 李长珍, 李万志, 丰苏
Applicant中国人民解放军第二炮兵第三研究所
Export CitationBiBTeX, EndNote, RefMan
External Links: SIPO, Espacenet
Memory card shared device for computer
CN 2417505 Y
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.
Claims(4)  translated from Chinese
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 with a memory card sharing device, comprising conversion circuitry, automatic identification circuit, PC card dedicated logic and isolation circuits; coupled wherein said automatic identification circuit input terminal and portable computer bus standard PCMCIA socket, it has two the output, one terminating in the conversion circuit, and the other end connected to a dedicated PC card logic; output switching circuit connected to the IDE interface, PC card dedicated logic output circuit connected to the isolation, isolation circuit output connected to the switching circuit input.
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。 Computer of claim 1, wherein the memory card sharing device, characterized in that it includes a PCMCIA socket and IDE interface has two 74F245, 74F245 which two PCMCIA socket at one end connected to a data line, and the other end connected 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。 Computer 1 or claim 2, wherein the memory card sharing device, characterized in that the PCMCIA socket is connected to the DSP data line through two 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。 Computer of claim 1, wherein the memory card sharing device, wherein all parts of the apparatus mounted on a plug-in board, the plug-in board's IDE interface cable connected to the computer IDE interface.
Description  translated from Chinese
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 utility model relates to a computer device, and more particularly to a sharing device dedicated PC cards and 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 cards) 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 a smart memory card containing the CPU, when using the PC card into the laptop PCMCIA standard bus access to the same data as the disk. 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。 But smart PC cards can not use on the desktop, that PC card to access the data on the laptop 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。 Translation Publishing House of Electronics Industry's "flash memory User's Guide" describes the trial circuit a PC card that can be used on the desktop, although able to work for the Lord, but still have the ability to share a dedicated PC cards and PC cards .

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。 The utility model aims to provide a simple, easy to use, so a dedicated PC cards and PC cards 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 utility model constitutes include conversion circuit, automatic identification circuit, PC card dedicated logic and isolation circuits. 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 and PCMCIA (laptops standard bus) connected to the socket, which has two outputs, one terminating in the switching circuit, the other end of the PC card dedicated logic. 转换电路的输出接在IDE接口。 Converter output 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。 Dedicated PC card connected to a logic output isolation circuit, isolation circuit output connected to the input of the converter 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 utility model works like this: When the PC card into the PCMCIA socket, automatic identification circuit to identify the currently inserted for the PC card and PC card information via a PCMCIA interface conversion circuit converts the information into the IDE interface signal, thus achieving PC card data 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 special automatic identification circuit to identify the currently inserted special card for the PC, and the PC card information via a dedicated PC card dedicated to the conversion logic circuit through the isolation circuit, then the exchange of 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 a dedicated card. 隔离电路是为了防止PC卡信息与PC专用卡信息互相影响。 Isolation circuit is to prevent the PC card information and a dedicated PC card information affecting 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。 The utility model all components mounted on a plug-in board, connect the IDE interface and IDE plug-board computer interface, you 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 into the PCMCIA socket of the device, you may realize the laptop PC card data and desktop data exchange, when the PC dedicated PCMCIA card is inserted into the socket of the device enables a dedicated PC card data with a desktop machine 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 utility model provides the device enables the laptop PC card data can be accessed for data interchange on the desktop, PC-specific card on the device can be used with desktop direct access to data. 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 an outlet to insert a PC card, the card can be inserted into a dedicated PC.

2. 2. 成本低、应用范围广、适用性强、易于推广。 Low cost, wide range of applications, 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 utility model is a specific configuration by the following embodiments and the accompanying drawings.

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

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

图4是本实用新型的安装图。 Figure 4 is a diagram of the utility model installed.

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 is 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。 Ⅰ dashed box in Figure 2 which is a PC card drive circuit Ⅱ dashed box in Figure 3 is a dedicated PC card control circuit, the dashed box in Figure 2 and Figure 3 the dashed box in Figure Ⅶ Ⅲ is PC card dedicated logic, Ⅳ dashed box in Figure 3 is a dedicated PC card Data line isolation circuit, Ⅴ dashed box in Figure 3 is a PC card control and status lines dedicated isolation circuit diagram in Figure 2 the dashed box Ⅵ automatic selection 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。 Figure 2 is a dashed box in FIG Ⅰ PC card control circuit, which consists of two data transceiver 74F245 composed by RG controlling whether is strobed. 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, the two (U1, U2) 74F245 work, RG = 1, two (U1, U2) 74F245 does not work. 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。 Figure 2 and Figure 3 the dashed box in Figure Ⅶ dashed box Ⅱ, Ⅲ, Ⅳ special cards for PC control circuit, wherein the dashed box in Figure 3 is a diagram Ⅱ dedicated PC card driver circuit, which is composed of two data transceivers 74F245 composition, control them by SG whether is strobed, when SG = 0, the two (U3, U4) 74F245 work, SG = 1, the two (U3, U4) 74F245 does not work. 图2虚线框图Ⅶ和图3虚线框Ⅲ是PC专用卡逻辑。 The dashed box in Figure 2 and Figure 3 the dashed box in Figure Ⅶ Ⅲ is dedicated PC card 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, MX28F2100 store management program, 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。 The dashed box in Figure 2 and Figure 3 the dashed box in Figure Ⅶ Ⅲ works like this, power-on reset, DSP work, U9 / MX2F2100 management program run and wait for the PCMCIA interface interrupt request, 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。 Figure 3 is a dashed box in Fig. Ⅳ data line isolation circuit, which consists of two data transceiver 74F245 composition, whether it is gated by the T / P control. 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, the two (U12, U13) 74F245 work, T / P = 1, the two (U12, U13) 74F245 does not work. 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。 Figure 3 is a dashed box in Fig. Ⅴ control and status signal 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 straight to 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 to the OFF position, DSP's BWAIT, BSPKR, BSTSC, BHOST, BIOIS with IDE interface is disconnected. 图2虚线图Ⅵ是自动选择电路。 Figure 2 is a dotted line in Fig Ⅵ automatic selection circuit. 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 of 74F08,74F32,74F30 like circuit interlock circuit, and generates RG, SG, T / P signal, RG, SG, T / P is generated, CE1 ~ 2 effective low, SEL invalid high, FCE0 ~ 7 invalid is high, 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, SEL active low, FCE0 ~ 7 effective in either signal is low, the RG = 1, SG = 0, T / P = O, which CE1 ~ 2 for fan zone read / write select signal when the address, SEL is from the PC card or PC card control signal, PC card into the PCMCIA socket, SEL = 1, when the PC card into the PCMCIA socket dedicated, SEL = 0. FCE0~7是专用卡片选信号。 FCE0 ~ 7 is a dedicated card select 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 the dashed box in Figure 3 and Figure 2 Figure Ⅰ and Ⅱ, Ⅲ, Ⅳ control process: When the post-PC card into the PCMCIA socket, and sector read / write, and Figure 2 the dashed box in Figure 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。 PC card data so you can exchange information with desktop dashed box in Figure 2 through Figure 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, the dotted line in Figure 2 Figure Ⅵ in CE1 ~ 2 = 0, SEL = 0, FCE0 ~ 7 either is low, the RG = 1, SG = 0, T / P = 0. 虚线框图Ⅱ、Ⅲ、Ⅳ电路工作。 The dashed box in Figure 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。 So dedicated PC data card can exchange information with the circuit diagram by the dashed box Ⅱ, Ⅲ, Ⅳ and desktops.

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 in Figure 2 and Figure 3 consisting of a piece of board members welded plate, connect the IDE interface and IDE plug-board computer interface, you can make a smart PC card to access the data in a portable machine used on the desktop, and non-smart card dedicated PC on the device with the desktop for direct data access.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
CN100483457C13 Apr 200529 Apr 2009桑迪士克股份有限公司Memory cards having two standard sets of contacts
US735071417 May 20061 Apr 2008Sandisk CorporationUse of small electronic circuit cards with different interfaces in an electronic system
Classifications
International ClassificationG06K9/62, G06K19/067
Legal Events
DateCodeEventDescription
31 Jan 2001C14Granted
29 Jan 2003C19Lapse of patent right due to non-payment of the annual fee