单片机设计论文《电子时钟》学生姓名田伶俐学号5011212412所属学院信息工程学院专业计算机科学与技术班级16-4班日期2014.11目录前言..............................................................................................................................................1正文..................................................................................................................................................2一．设计的目的与意义.........................................................................................................2二．电子时钟...........................................................................................................................22.1电子时钟简介............................................................................................................22.2电子时钟的基本特点...............................................................................................22.3电子时钟的原理.....................................................................................................2三.单片机识的相关知识.......................................................................................................23.1单片机简介...............................................................................................................23.2单片机的特点...........................................................................................................33.3AT89C51单片机介绍................................................................................................3四．控制系统的硬件设计...................................................................................................54.1单片机型号的选择.................................................................................................54.2DS1302时钟芯片简介............................................................................................54.3LCD1602液晶模块简介............................................................................................64.4电路设计原理图.......................................................................................................64.5电路仿真图...............................................................................................................7五．控制系统的软件设计.......................................................................................................75.1主程序流程图............................................................................................................75.2程序清单....................................................................................................................85.3仿真结果图...............................................................................................................8六．单片机效果图...........................................................................................................9七.总结..................................................................................................................................9参考文献........................................................................................................................................10附录................................................................................................................................................11前言随着社会、科技的发展，...
