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1、基于MSP430单片机的食堂读卡器系统设计杨正锦，孟振华（中国矿业大学（北京），机电与信息工程学院，北京100083）摘要：食堂IC卡系统利用单片机MSP430完成充值、扣费报警、复位等功能。显示部分采用双面LED显示屏。键盘采用4*5矩阵式键盘，10个数字键，10个功能键。IC卡为非接触式卡片简称射频卡，以射频识别技术的实际应用为背景，采用低功耗RF射频感应式收发模块MTP-K4，结合低功耗FLASH型16位RISC指令集MSP430单片机，内嵌射频卡读卡电路。此系统设计容易，结构简单，造价低廉，
2、维修方便，能够广泛应用于各个机构单位食堂中。关键词：射频卡；MSP430；MTP-Ｋ４；食堂读卡器系统；键盘；双面LED显示器。DesignofCanteenCardReaderSystemBasedonMSP430YANGZheng-jin,MENGZhen-huaotherstaffoftheCentre.Duringthewar,ZhuwastransferredbacktoJiangxi,andDirectorofthenewOfficeinJingdezhen,JiangxiCommitt
3、eeSecretary.Startingin1939servedasrecorderoftheWestNorthOrganization,SecretaryoftheSpecialCommitteeAfterthevictoryofthelongMarch,hehasbeentheNorthwestOfficeoftheFederationofStateenterprisesMinister,ShenmufuguSARmissions,DirectorofNingxiaCountypartyComm
4、itteeSecretaryandrecorderoftheCountypartyCommitteeSecretary,Ministersand(ChinaUniversityofMiningandTechnology（Beijing））Abstract:DiningroomICcardsystemusesMSP430tocompletetop-up,deduction,alarm,reset,etc.Displaypartadoptsdouble-faceLEDdisplay.Keyboardus
5、es4*5matrixkeyboard,10figurekeys,10functionkeys.ICcardisrankedtonon-contactcardandtheabbreviationisRFID,withthepracticalapplicationofRFIDtechnologyasbackground,usesthelowcostproximityreaderMTP-K4,combineswith16-bitlowcostmicrocontrollerMSP430whichhasRI
6、SCinstructionsetandFlashEEPROMtodesignRFIDcardreadercircuit.Thesystemdesigniseasy,simplestructure,lowcost,convenientmaintenance,canbewidelyusedinvariousagenciesinthecanteen.Keywords:RFcard;MSP430;MTP-K4;Canteencardreadersystem;Keyboard;Double-sidedLEDd
7、isplay.otherstaffoftheCentre.Duringthewar,ZhuwastransferredbacktoJiangxi,andDirectorofthenewOfficeinJingdezhen,JiangxiCommitteeSecretary.Startingin1939servedasrecorderoftheWestNorthOrganization,SecretaryoftheSpecialCommitteeAfterthevictoryofthelongMarc
8、h,hehasbeentheNorthwestOfficeoftheFederationofStateenterprisesMinister,ShenmufuguSARmissions,DirectorofNingxiaCountypartyCommitteeSecretaryandrecorderoftheCountypartyCommitteeSecretary,Ministersand非接触式IC卡又称射频卡，封装在一个标准的PVC卡片内，芯片及天线无任何外露部
