目 录摘 要....................................................................IAbstract.................................................................II1 绪论...................................................................11.1 课题讨论的背景.....................................................11.2 开发的意义.........................................................11.3 课题讨论的方案.....................................................12 芯片选用说明............................................................12.1 AT89S52...............................................................12.1.1 相关芯片及其引脚分析.........................................12.1.2 引脚功能说明.................................................22.2 AT89C2051 ........................................................42.2.1 相关芯片及其引脚分析.........................................42.3 LCD1602............................................................52.3.1 相关芯片及其引脚分析..........................................52.3 SMC1602A 参考连接：................................................73.系统硬/软件设计.........................................................83.1 夜用照明系统的设计.................................................83.2 标准时钟显示部分设计：............................................103.3 光敏接收电路......................................................123.4 接键可调部分......................................................123.5 系统照明和报警部分................................................133.6 系统复位与晶振电路................................................133.7 软件设计部分......................................................133.8 程序源程序:见附页 1...............................................144 调 试.................................................................144.1 硬件调试..........................................................144.2 软件的调试.......................................................145.总结与展望........
