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1、摘要摘要非接觸式IC射頻智能卡在金融,經(jīng)濟等社會領(lǐng)域中起著重要的作用,本文著重研究了基于單片機的無線智能IC射頻卡應(yīng)用于考勤機的設(shè)計方法。該系統(tǒng)以Atmel公司生產(chǎn)的AT89C52為微處理器,通過以IC射頻卡考勤系統(tǒng)的設(shè)計為具體研究方法,討論了應(yīng)用系統(tǒng)中硬件開發(fā)和軟件系統(tǒng)的設(shè)計。本論文首先對非接觸式IC卡進行了概述,緊接著重點介紹了Philips公司的MIFARE技術(shù),對MIFARE卡片和MIFARE非接觸式IC卡的讀寫組件MCM200進行了全面的闡述;在此基礎(chǔ)上,論文詳細地闡述了非接觸式IC卡讀卡器的硬件和軟件設(shè)計,給出了各部分的實際電路圖。本文的硬件設(shè)計包括電源
2、供應(yīng)電路、LCD狀態(tài)顯示電路、蜂鳴器驅(qū)動電路、RS232通信電路、MCU的連接、MCM200接口電路和讀卡器天線,時鐘電路,時鐘監(jiān)控電路等幾部分的設(shè)計。軟件設(shè)計分為對MCM200的應(yīng)用程序的設(shè)計、對讀卡器其他電路的應(yīng)用程序設(shè)計和主程序設(shè)計三個部分,相應(yīng)部分都給出了具體程序或程序流程圖,并對部分程序進行了詳細的說明。關(guān)鍵詞:IC智能卡,射頻,讀寫器設(shè)備,LCD,AT89C5AbstractAbstractWirelessICsmartcardisplayingimportantroleinsocietyfieldsuchasfinanceandeconomy.This
3、articleplaysmoreattentioninthedesignmethodaboutthewirelessICsmartcardreaderandwritersystem.ThesystemtakestheAT89C52asmicroprocessorsuppliedbyAtmeltodesigntheDoorAccessSystem,bythemethodofdesigning,toresearchhardwareandthesoftwareoftheappliance.Additionally,toananalysestheinfluenceonthe
4、WirelessICsmartcardreaderandwritesystemexertedbyhardwarecircumstance,andtodiscussthereliabilityoftheantennadesign.AtfirstthispapergenerallyintroducesthecontactlessICcard,includingitsfeaturetype、internationalstandard、keytechnology、typicalusageanddevelopingtrend.ThenitintroducestheRFIDte
5、chnology,fromwhichthecontactlessICcardtechnologyderived,andgivesthecompareoflogictechnologyandMIFAREtechnologywhicharetherepresentativetechnologiesofcontactlessICcardtechnologyatpresent.AfterthattheMIFAREtechnologydevelopedbyPHILIPSSemiconductorsisintroducedindetail.Thepapergiveemphasi
6、stotheintroductionofMIFAREcontractlessICcardandthereadercomponent,MCM200.Basedonthese,thepaperdiscussesthedesignofthecontractlessICcardreaderindetail,includingthecircuitdesignandsoftwaredesign.Thereader’scircuitismadeupofpowersupplycircuit、LCDcircuit、buzzerdrivecircuit、RS232communicati
7、oncircuit、MCM200interfacecircuitandantenna。ThesoftwaredesignincludesprogrammingofMCM200、programmingofothercircuitandprogrammingofmainprogram.Alltheseprogramsarepresentedandremarked.Keywords:ICsmartcard;RFID;readerdevice;LCD;AT89C5目錄目錄摘要IIAbstractIII目錄IV第一章緒論11.1課題背景及意義11.2非接觸式IC智能射頻卡