基于单片机控制交通信号灯电子设计大学毕设论文.doc

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1、电子信息工程目录第一章课程目的与任务················································21.1设计目的······················································21.2设计任务······················································2第二章设计方案分析·················································32.1电源模块分析·····················

2、·····························32.2显示界面分析·················································32.3总体界面分析·················································3第三章主要元件介绍··················································53.1单片机介绍···················································53.2发光二极管介绍·电

3、子信息工程··············································73.3LED数码管介绍···············································83.4反相器介绍···················································83.5晶振介绍·····················································9第一章硬件电路·········································

4、·············104.1时钟电路·····················································104.2复位电路·····················································104.3交通灯电路··················································104.4LED数码管电路················································114.5按键电路·············

5、········································12电子信息工程4.6单片机最小系统···············································12第一章软件设计·····················································145.1程序流程图···················································145.2主要模块程序·········································

6、········15第二章主要问题······················································18第三章总结··························································20附录一：元件清单·····················································22附录二：总电路图·····················································23附录三：总程序·········

7、··············································24附录四：参考文献·····················································34电子信息工程摘要随着科技和经济的发展，汽车已然成为了人们出门旅行的必备工具。但是随之而来的就是交通拥堵和交通事故频繁发生的问题，而且交通事故造成的人员死亡率颇高，这使得交通部门及相关部门非常棘手。因此，诞生了城市交通管理系统，它是用于城市交通数据监测、交通信号灯控制与交通疏导的计算机综合管理系统，是现代城市交通监控指挥系统中最重要的组成

8、部分。随着经济的发展和人们生活水平的提高，汽车走进了千家万户，成为了这个时代进步