文档介绍：目录摘要...................................................................I Abstract.................................................................I 1 绪论..................................................................1 ....................................................1 开发的意义........................................................1 课题研究的方案....................................................1 2 芯片选用说明...........................................................1 AT89S52..............................................................1 相关芯片及其引脚分析........................................1 引脚功能说明................................................2 AT89C2051........................................................4 相关芯片及其引脚分析........................................4 LCD1602...........................................................5 .........................................5 SMC1602A参考连接:...............................................7 ........................................................8 夜用照明系统的设计................................................8 标准时钟显示部分设计:...........................................10 光敏接收电路.....................................................12 接键可调部分.....................................................12 系统照明和报警部分...............................................13 系统复位与晶振电路...............................................13 软件设计部分.....................................................13 程序源程序:见附页1..............................................14 4调试................................................................14 硬件调试.........................................................14 软件的调试......................................................14 ............................................................16 5. 1工作总结........................................................16 5. 2展望............................................................16 参考文献