Forpersonaluseonlyinstudyandresearch;mercialuse南京工程学院毕业设计说明书(论文)作者:杨勇学号:7系部:康尼学院专业:电子信息工程题目:编码键盘式电子密码锁指导者:徐伟业讲师(姓名)(专业技术职务)评阅者:(姓名)(专业技术职务)2009年6月南京CodedElectronicLocksKeyboardADissertationSubmittedtoNanjingInstituteofTechnologyFortheAcademicDegreeofBachelorofScienceByYongYangSupervisedbyLecturerWei-yeXuSchoolofKongNiNanjingInstituteofTechnologyJune2009摘要随着大规模集成电路技术的发展,特别是单片机的问世,出现了带微处理器的智能密码锁,它除具有电子密码锁的功能外,还引入了智能化管理、专家分析系统等功能,从而使密码锁具有很高的安全性、可靠性,应用日益广泛。本文从经济实用的角度出发,采用美国Atmel公司的单片机AT89C51,结合外围的键盘输入、显示、报警等电路,用汇编语言编写主控芯片的控制程序,设计了一款设置6位密码,密码通过键盘输入,若密码正确,则将锁打开,具有报警功能的电子密码锁。本设计是基于单片机的密码锁设计方案,根据要求,给出了该单片机密码锁的硬件电路和软件程序,在Protues上实现了功能的仿真,通过调试软硬件实现了密码的正确输入则显示绿灯,密码输入错误则亮红灯,蜂鸣器响的功能。关键字:4×4矩阵键盘;AT89C51;LED显示;报警系统AbstractWiththedevelopmentoflarge-scaleintegratedcircuittechnology,especiallytheadventofsingle-chip,amicroprocessorwithintelligentlocks,whichinadditiontothefunctionsofelectroniclocks,butalsotheintroductionofintelligentmanagement,expertanalysissystem,,sothatlockswithhighsecurity,reliability,,-chipAtmel'binedwiththeexternalkeyboardinput,display,alarmcircuits,assemblylanguagewiththepreparationofmasterchipcontrolprocedures,designedaset6password,passwordthroughthekeyboardinput,ifthepasswordiscorrect,itwillopenthelock,-chipdesignofthelocks,accordingtotherequirementsgiveninthesingle-chiphardwarecircuitrylocksandsoftwareprograms,Protuesachievedinthesimulationfunction,throughthedebughardwareandsoftwaretoachievethecorrectpasswordEntertheshowthegreenlight,thepasswordinputerrorisred,:4×4matrixkeyboard;AT89C51;LEDdisplay;AlarmSystem目录第一章绪论 ................................................. 4第二章硬件电路设计及实现 ....................................................
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