学号毕业设计(论文)题目：非接触式IC卡停车场收费系统设计作者届别2011届学院专业自动化指导教师职称完成时间摘要随着国民经济飞速发展,城市汽车数量剧增,停车难问题愈来愈凸现,在增加停车场数量的同时,提高停车场的智能化管理是解决这个问题的关键.本文提出的自动计时收费系统,是一种基于AT89C51单片机的非接触式IC卡的停车场收费系统.该系统采用比传统停车计费方式更优越的自动计时计费方式,系统硬件设备由入口设备和出口设备组成,论述了它们的硬件电路设计和软件设计,画出其软件设计的程序流程图.该系统操作简单,价格低廉,安装调试方便,很好地解决了停车场的收费问题.关键词：非接触式；IC卡；AT89C51单片机；自动收费停车ABSTRACTWiththerapiddevelopmentofnationaleconomy,thequantityofcarsincityincreases.Parkingproblemsbecomemoreandmoreevident.Inadditiontoincreasingthenumberofparkinglots,improvingofintelligentparkingmanagementisthekeytosolvethisproblem.Thearticlediscussesakindofautomatictimingandchargingsystem.It’sakindofchargingsystemthatbasedonAT89C51microcontrollerandnon-contactICcard.Thesystemusesakindofautomaticchargingmodewhichismoresuperiorthantradition.Thewholesystemiscomposedofentrance-machineandexit-machine.Wediscusstheirhardwarecircuitdesignandsoftwaredesignanddrawitssoftwaredesignprocessflowdiagram.Thesystemissimple,cheap,convenientinstallationanddebugging,nicelysolvingthechargecollectquestionofparkinglot.Keywords：Non-contact;ICcard;AT89C51microcontroller;Automaticchargingforparking目录摘要-------------------------------------------------------------------------------------------------IABSTRACT----------------------------------------------------------------------------------------------II1引言----------------------------------------------------------------------------------------------11.1背景--------------------------------------------------------------------------------------11.2非接触式IC卡停车场收费系统的意义-------------22总体方案设计----------------------------------------------------------------------32.1方案设计----------------------------------------------------------------------------32.2方案论证与选择------------------------------------------------------------32.3工作原理----------------------------------------------------------------------------63系统硬件电路设计------------------------------------------------------------73.1单片机及其外围电路设计---------------------------------------73.2键盘电路的设计------------------------------------------------------------83.3显示电路的设计------------------------------------------------------------93.4存储器电路的设计----------------------------------------------------103.5串行通信接口电路的设计------------------------------------113.6时钟电路设计---------------------------------------------------------------123.7读写模块-------------------------------------------------------------------------134系统软件程序设计---------------------------------------------------------174.1主程序------------------------------------------------------------------------------174.2键盘处理子程序---------------------------------------------------------184.3液晶显示子程序---------------------------------------------------------184.4串口通信子程序---------------------------------------------------------194.5时钟子程序--------------------------------------------------------------------194.6读写模块-------------------------------------------------------------------------205结论---...
