ic卡读取与设计毕业论文

毕业设计（正文部分）题目IC卡读写器的设计姓名方唯程学号20126077系部理工系年级专业12级电子信息工程指导教师彭沛夫2016年5月28日摘要信息领域发展的一个分支——智能卡即IC（IntegratedCircuit）卡。本文介绍一种基于AT89C51单片机的射频IC卡读写器系统，该系统主要由AT89C51单片机、射频IC卡读写模块、天线及RS485通讯接口组成。非接触式IC卡又称射频IC卡。是最近几年发展起来的一项新技术，它成功的将射频识别技术与IC卡技术结合起来，解决了无源(卡中无源)和免接触这一难题，是电子器件领域的一大突破。具有操作快捷、抗干扰性强、工作距离远、安全性高、便于“一卡多用”等特点，在自动收费、身份识别和电子钱包等领域具有接触式IC卡所无法比拟的优越性，具有广阔的市场前景。非接触式IC卡读卡器是非接触式IC卡应用系统的关键设备之一。本文首先对非接触式IC卡进行了综合概述，详细介绍了其种类、特点、关键技术等，并介绍了非接触式IC卡的关键技术：射频识别技术。读卡器的硬件设计包括电源供应电路、LED状态显示电路、蜂鸣器驱动电路、RS232通信电路、MCU的连接、MFRC500接口电路和读卡器天线这几部分的设计，以及MFRC500与MCU接口电路设计、与电源接口电路设计和与天线射频接口电路设计三个部分。随着射频技术的推广，IC卡已经广泛应用于公共交通终端、手持终端、非接触式PC终端等各个非接触式通信场合。关键词射频卡、51单片机、LCD1602、读写功能。Title：DesignofICcardreaderAbstract：AbranchofthefieldofinformationdevelopmentsisIC.ThispaperdescribesaradiofrequencybasedonAT89C52microcontrollerICcardreadersystem,thesystemconsistsofAT89C52microcontroller,RFICcardreadermodules,antennasandRS485communicationinterface.Non-contactICcard,alsoknownasICcardRF.Inrecentyearsdevelopedanewtechnology,itwillbethesuccessofradiofrequencyidentificationtechnologyandICcardtechnologytogethertosolvethepassive(passivecard)andfreeaccesstothisdifficultproblem,thefieldofelectronicdevicesisamajorbreakthrough.Operationwithfast,stronganti-interference,distancework,safe,easy,amulti-purposecardandsoon,intheautomatictollcollection,identificationandelectronicpurseandotherfieldsofcontactlessICcardcannotmatchthesuperiorityofhavebroadmarketprospects.Non-contactICcardreadernon-contactICcardapplicationsystem,oneofthekeyequipment.Inthispaper,firstnon-contactICcardaresummarizedonthecharacteristicsofthetypesofkeytechnology.Andintroducedthenon-contactICcardtechnology:radiofrequencyidentificationtechnology.Readerhardwaredesign,includingpowersupplycircuit,LEDstatusdisplaycircuit,buzzerdrivercircuit,RS232communicationcircuit,MCUconnection,MFRC500readerantennainterfacecircuitandthedesignoftheseparts,aswellaswiththeMCUinterfacecircuitMFRC500design,andPowerInterfaceCircuitDesignandRFantennainterfacecircuitdesignisinthreeparts.WithRFtechnologypromotion,ICcardhasbeenwidelyusedinpublictransportterminals,handheldterminals,non-contactPCterminalsandothernon-contactcommunicationapplications.Keywords:ContactlessICCard；Read-WriteDevice；MF-RC500；RadioFrequencyIdentification；目录第一章绪论..............................................................................................................................51.1课题研究背景及意义......................................................................................................51.2国内外发展现状...............................................................................................................51.2.1射频卡发展与现状.................................................................................................51.2.2LCD技术发展状况.................................................................................................61.2.3单片机技术发展现状..............................................................................................61.3论文主要内容及章节安排................................................................................................7第二章系统方案设计.................................................................................................72.1系统需求分析.................................................................................................................72.1.1系统设计原则.......................................................................................................82.1.2系统需求分析.......................................................................................................82.1.3硬件需求分析.....................................................................错误!未定义书签。92.2系统方案设计.................................................................................................................92.2.1整体结构设计.......................................................................错误!未定义书签。2.3.2系统功能设计.......................................................................错误!未定义书签。2.3本章小结...........................................................................................错误!未定义书签。第三章程序编译环境..................................................................错误!未定义书签。3.1开发平台搭建..............................................................................错误!未定义书签。3.1.1软件安装..................................................................................错误!未定义书签。3.1.2程序设计以及解释分析.........................................................................................14第四章系统硬件设计与实现.................................................................................154.1射频卡模块介绍...........................................................................................................154.1.1射频卡模块选择原则.............................................................................................154.2LCD1602模块介绍...............................................................................................154.3单片机选型...........................................................................................................164.3.1单片机选型...................................