毕业设计--89C51单片机的数字式音乐盒的设计

兰州理工大学毕业设计说明书-I-摘要随着改革开放的深入和市场经济体制的不断完善，传统的人工收费方式己越来越不适应现代化管理的需要。随着电子技术和通信技术的发展，公交系统与IC卡技术相结合成为发展的必然要求,使公交汽车自动收费的实现从技术上成为可能。本文以非接触式IC卡读写器为设计对象，研究了系统的总体结构。以8051单片机为核心，根据公交IC卡控制系统的性能指标，采用无线射频技术，运用一套合理的安全管理策略，完成公交非接触式IC卡控制系统读写器的硬件设计及软件设计。并开展了对非接触式IC卡控制系统的安全性研究，在本文最后重点论述了系统中心管理的分析与设计。关健词:读写器；非接触式IC卡；系统安全；中心管理兰州理工大学毕业设计说明书-II-AbstractWiththedeepeningreformandopeningup,traditionalcombinationofpublictrafficchargingsystemusemanual-observedcombinationofpublictrafficmonitoringsystemisnotsuitfortherequirement.Withthedevelopmentofelectronictechnologyandcommunicationtechnology,thecombinationofpublictrafficsystemandICcardtechnologybecomesinevitablerequestfordevelopment.Variousautomaticmeterchargingsystemshaveemergedasthetimesrequire.ThesaysasdesignedobjectisfortheRFreaderofthecontact-lessICcard,accordingtothedesignneedsofthecontrollingsystemwhichisownedforpublictrafficICcard,theoveralltechnicalblueprintisstudied.Itused8051asthecore,adoptedRFIDtechnologyandsomeinformationsecuritystrategies.ThenthehardwareandsoftwaredesignoftheRFinterfacecoprocessorhasbeenfinished.However,Theresearchontheinformationsecurityofthedesignhasbeendone.Thispaperputsemphasisontheanalysisanddesignofsystemcenteradministration.Keywords:RFReaderandWriter;Contact-lessICCard;SystemSecurity;CenterAdministration兰州理工大学毕业设计说明书-III-目录第一章绪论..........................................................11.1设计概述......................................................11.1.1设计背景.................................................11.1.2设计的意义..............................................21.2IC卡技术的应运和发展.........................................21.3系统设计目标及原则............................................31.3.1系统的设计目标...........................................31.3.2系统的设计原则..........................................41.4论文的组织结构................................................4第二章总体设计......................................................52.1系统总体结构..................................................52.2方案论证确定..................................................52.2.1IC卡类型选择............................................52.2.3单片机选择..............................................7第三章系统硬件设计..................................................83.1单片机概述....................................................83.1.18051单片机结构和原理...................................83.1.2存储器..................................................133.1.3专用寄存器（SFR）简介..................................143.1.4中断....................................................163.1.5定时/计数器............................................193.1.6串行通信...............................................213.1.7单片机的工作过程.......................................223.2外部存储器扩展模块...........................................233.3监控电路.....................................................263.3.1概述....................................................263.3.2DS1232的结构及特点....................................263.3.3DS1232接口电路.........................................283.4键盘输入模块.................................................293.4.1可编程并行I/O芯片8255................................293.4.2键盘接口电路...........................................313.5显示模块.....................................................323.5.1MC14499................................................323.5.2显示接口电路...........................................33兰州理工大学毕业设计说明书-IV-3.6蜂鸣器驱动电路设计...........................................343.7通信模块.....................................................343.7.1MAX232.................................................343.7.2通信接口电路...........................................353.8读写器接口模块...............................................363.8.1读写器芯片MFRC500....................................363.8.2Mifare1型非接触式IC卡...............................373.8.3天线的设计.............................................393.8.4MFRC500与8051的接口电路............................403.9电源电路.....................................................40第四章系统软件设计.................................................42第五章系统安全设计.................................................465.1IC卡的安全认证..............................................465.2交易数据安全的要求...........................................485.3网络通信安全.................................................485.3.1概述...................................................485.3.2安全威胁的原因和常见攻击方式...........................485.3.3网络安全设计的目标.....................................495.3.4通信安全技术...........................................505.4信息安全与系统安全...........................................50第六章系统管理中心.................................................526.1发卡系统设计.................................................526.2系统管理中心售卡充值.........................................546.3数据采集系统.................................................556.4系统中心清算功能.............................................576.5黑名单管理...................................................58第七章总结........................................................59参考文献............................................................60外文翻译............................................................61外文原文