1设计（论文）题目：系别：电子工程系1专业：通信工程1班级：07级姓名：李永学号：07060203121指导教师：乔有田完成时间：2010年5月2LCDInbusyjobofthepresentageandlife,timehasveryclosesomethingtodowithallofus,everyoneallacceptsthetimeeffect.wemusthaveamagnanimitytotime,haveproducedclockandwatchtherefore.Developmentofclockandwatchisveryprompt,useclockandwatchtothedigitalfromjustoriginallymechanicaldyadicclockandwatchtonowcommonly,evenifnowclockandwatchisexceedinglystrange,theyaccomplishbutonekindoftimefunctionoffunctionallonly,areonlyoperatingprinciplediversity,intheprocessofpeople'susage,thefunctionhavingdiscoveredclockandwatchgraduallyisveryunitary,neednothavingthesatisfiedpeopleonbiggerdegree.WanttobeabletoIputsomeauxiliaryfunctioningoingtoinclockandwatchthereforeinhere.Functiondesigningthatmiddlewhatbedesignedthatclockandwatchhasaverageclockandwatch's.Andthemonolithicmachinetechnologythatthissystemhasadopttousebroadusagehasbeenthatcore,softhardwarecombine,thehardwareparthasfacilitatedamessengerextremely,hasraisedsystemstability,adoptLCDdemonstratescircuit,keyboardcircuit,Theperpetualcalendarthattheschemedesignsoutcandemonstratedatetime,unarcalendar,setupthenoisybellfunction.AT89C52、字符液晶显示模块、DS13023摘要????????????????????????????????????????2关键字?????????????????????????????????????????2??????????????????????????????????????41.1课题的背景研究意义?????????????????????????????????41.2本课题实现的功能及要求???????????????????????????????41.3方案论证??????????????????????????????????????41.4章节安排??????????????????????????????????????42.1硬件电路设计总框图?????????????????????????????????52.2主控制器AT89C52的介绍???????????????????????????????52.3其余应用电路的介绍?????????????????????????????????83.1软件设计总述???????????????????????????????????133.2程序模块介绍???????????????????????????????????134.1硬件调试?????????????????????????????????????204.2软件调试?????????????????????????????????????204.3联调???????????????????????????????????????21????????????????????????????????