51单片机电子万年历设计带有proteus仿真

1湖南文理学院课程设计课程名称：单片机课程设计设计题目：电子万年历教学院部：电气与信息工程学院专业班级：自动化09101班指导教师：张晓虎学生姓名：邵泽学号：200916010120完成时间：2012年6月12日报告成绩：评阅意见：评阅教师日期2摘要：电子万年历是一种非常广泛日常计时工具，对现代社会越来越流行。它可以对年、月、日、周日、时、分和秒进行计时，还具有闰年补偿等多种功能，而且DS1302的使用寿命长，误差小。对于数字电子万年历采用直观的数字显示，可以同时显示年、月、日、周日、时、分、秒等信息，还具有时间校准等功能。该电路采用AT89C52单片机作为核心，功耗小，能在3V的低压工作，电压可选用3到5V电压供电。万年历的设计过程在硬件与软件方面进行同步设计。硬件部分主要由AT89C52单片机，液晶显示电路，复位电路，时钟电路，稳压电路电路以及串口下载电路等组成。在单片机的选择上使用了AT89C52单片机，该单片机适合于许多较为复杂控制应用场合。显示器使用液晶LCD1602。软件方面主要包括日历程序、液晶驱动程序，显示程序等。程序采用汇编语言编写。所有程序编写完成后，在KeilC51软件中进行调试，确定没有问题后，在Proteus软件中嵌入单片机内进行仿真。关键词时钟电钟，DS1302，液晶LCD1602，单片机Abstract:Electroniccalendarisaveryextensivedailytimingtoolformodernsocietyismoreandmorepopular.Itcanbetoyear,month,day,Sunday,when,minutes,andsecondsforthetime,alsohasaleapyearcompensationandotherfunctions,andtheDS1302longservicelifeandsmallerror.Fordigitalelectroniccalendarusingintuitivedigitaldisplay,canalsoshowsthatyear,month,day,Sunday,whentheinformationsuchas,minutesandseconds,stillhavetimecalibrationetc.Function.TheAT89C52singlechipmicrocomputerascircuitadoptscore,powerconsumptionissmall,canbein3Voflow-pressurework,voltagecanchoose3to5Vvoltagepowersupply.Thedesignprocessofthecalendarinthehardwareandsoftwaredesignofsynchronization.MainlybyAT89C52singlechipmicrocomputerhardwarepart,liquidcrystaldisplaycircuit,resetcircuit,clockingcircuitonthecircuitcircuitandserialdownloadcircuitetc.TheprocessoronthechoiceofthesinglechipmicrocomputerAT89C52use,thesinglechipmicrocomputersuitableformanymorecomplexcontrolapplications.UseofliquidcrystaldisplayLCD1602.Softwareismainlyincludingcalendarprogram,liquidcrystaldriver,showprogram,etc.Programusingassemblylanguage.Allprogramming,afterthecompletionofKeilC51softwareincommissioning,makesureno,afterProteussoftwareembeddedinwithinthesinglechipmicrocomputersimulation.KeywordsDianZhongclock,DS1302,liquidcrystalLCD1602,microcontroller3目录1设计要求与方案论证............................................................................................................................................41.1设计要求.........................................................................................................................................................41.2系统基本方案选择和论证...............................................................................................................................41.2.1单片机芯片的选择方案和论证................................................................................................................41.2.3时钟芯片的选择方案和论证：................................................................................................................51.3电路设计最终方案决定...................................................................................................................................52系统的硬件设计与实现........................................................................................................................................52.1电路设计框图...................................................................................................................................................52.2系统硬件概述...................................................................................................................................................62.3主要单元电路的设计.......................................................................................................................................62.3.1单片机主控制模块的设计........................................................................................................................62.3.2时钟电路模块的设计................................................................................................................................72.3.3显示模块电路............................................................................................................................................82.3.4串口下载电路............................................................................................................................................92.3.5复位电路....................................................................................................................................................92.3.6稳压电路...................................................................................................................................................103系统的软件设计...................................................................................................................................................103.1程序流程框图...................................................................................................................................................113.2子程序的设计.....................................................................................................................错误!未定义书签。3.2.1读写DS1302子程序...................................................................................................错误!未定义书签。3.2.1读写LCD1602子程序.................................................................................................错误!未定义书签。4软件测试及分析...................................................................