基于单片机的公交车自动报站系统设计目录第一章绪论.........................................................................................................................11.1本课题的研究意义...............................................................................................11.2目前几种公交车报站器详细比较.......................................................................11.2.1GPS公交车自动报站器............................................................................11.2.2手动式公交车自动报站器.......................................................................21.2.3基于单片机的公交车自动报站系统.......................................................2第二章系统功能模块详细介绍...........................................................................................32.1单片机AT89C51....................................................................................................32.1.1管脚说明...................................................................................................52.1.2外部晶振的选择.......................................................................................62.1.3复位电路.......................................................................................................62.1.4按键电路设计...........................................................................................72.2.PT2262/PT2272引脚图........................................................................................82.2.1PT2262/2272接线图以及工作原理........................................................92.2.2无线数传模块F05V/J05V........................................................................102.3显示模块LCD1602..............................................................................................102.3.1排阻Respack-8.......................................................................................112.3.2LCD1602的引脚定义...............................................................................112.3.3液晶LCD1602常用的11条指令............................................................132.4蜂鸣器和LED指示灯..........................................................................................15第三章系统程序设计.........................................................................................................173.1系统仿真主程序流程图.....................................................................................17第四章系统仿真实现.........................................................................................................184.1开发环境KeilC51介绍......................................................................................184.2仿真环境PROTEUS介绍......................................................................................184.3仿真运行结果截图.............................................................................................194.4仿真结果.............................................................................................................19结束语...............................................................................................................................20附录A系统仿真全部代码...................................................................................................21第一章绪论1.1本课题的研究意义近些年来，随着城市人口的不断增加，人...
