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《单片机技术》课程设计说明书抢答器院、部:电气与信息工程学院学生姓名:指导教师:职称专业:电子信息工程班级:完成时间:摘要抢答器经常在团队竞赛或大型娱乐活动中使用,具有很大的实用价值和效应。该项目的主要是基于MCS51单片机控制系统来完成的课程研究,其中主要应用单片机系统中的按键、数码显示、指示灯等模块,而在该项目中研究的重点就是怎样使用按键来实现任务所需要的的结果,而在本项目程序设计中使用了键盘扫描的方式来简化程序的长度。通过使用Proteus的仿真,实现了一个4人的抢答器。关键词:抢答器;AT89S52;按钮;数码显示管ABSTRACTResponderteamcompetitionoroftenusedinlarge-scaleentertainmentevents,hasgreatpracticalvalueandeffect.Theproject'smainresearchprogramsMCS51microcontroller-basedcontrolsystemtocomplete,themainapplicationoftheSCMsystemkeys,digitaldisplay,lightsandothermodules,whilethefocusoftheprojectistostudyhowtousethekeystoachievetherequiredtaskstheresults,andprogramdesigninthisprojectareusedtosimplifythewaythekeyboardscanthelengthoftheprogram.ByusingProteussimulation,achievinga7ResponderKeywords:responder;AT89S52;keys;digitaldisplayU=IR\*MERGEFORMAT目录TOC\o"1-2"\h\z\uHYPERLINK\l"_Toc343291913"1课题任务、功能要求及设计方案·····································PAGEREF_Toc343291913\h1HYPERLINK\l"_Toc343291914"1.1课题任务····················································PAGEREF_Toc343291914\h1HYPERLINK\l"_Toc343291915"1.2功能要求说明···············································PAGEREF_Toc343291915\h1HYPERLINK\l"_Toc343291916"1.3设计方案及工作原理·········································1HYPERLINK\l"_Toc343291917"2课题硬件系统的设计···············································32.1单片机硬件结构及硬件电路···································32.2硬件系统各功能模块的简介···································4HYPERLINK\l"_Toc343291919"2.3电路原理图、PCB图、元器件布局图···························4HYPERLINK\l"_Toc343291920"2.4元器件清单·················································4HYPERLINK\l"_Toc343291923"3课题软件系统的设计···············································5HYPERLINK\l"_Toc343291924"3.1课题中单片机资源使用情况···································5HYPERLINK\l"_Toc343291925"3.2软件系统中各模块功能的介绍·································53.3软件系统流程框图···········································73.4软件系统程序清单············