目录
一、设计目的 ...........................................................................................3
二、设计任务 ...........................................................................................3
三、设计要求 ...........................................................................................4
四、总体设计思路 ...................................................................................4
五、电路设计模块与分析 .......................................................................5
1、交通灯控制系统的原理 ...............................................................5
2、状态控制电路 ...............................................................................6
3、初值预置电路 ...............................................................................8
4、数字显示电路 ...............................................................................9
5、秒脉冲电路 .................................................................................10
六、总设计电路图 .................................................................................11
七、 元件清单及其引脚功能 ...............................................................12
八、仿真故障 .........................................................................................13
九、心得体会 .........................................................................................13
十、参考文献 .........................................................................................14
