目 录
摘 要 ....................................................................I
Abstract .................................................................II
1 绪论 ...................................................................1
1.1 课题研究的背景 .....................................................1
1.2 开发的意义.........................................................1
1.3 课题研究的方案.....................................................1
2 芯片选用说明 ............................................................1
2.1 AT89S52 ...............................................................1
2.1.1 相关芯片及其引脚分析 .........................................1
2.1.2 引脚功能说明 .................................................2
2.2 AT89C2051 ........................................................4
2.2.1 相关芯片及其引脚分析 .........................................4
2.3 LCD1602............................................................5
2.3.1 相关芯片及其引脚分析..........................................5
2.3 SMC1602A 参考连接： ................................................7
3.系统硬/软件设计 .........................................................8
3.1 夜用照明系统的设计.................................................8
3.2 标准时钟显示部分设计：............................................10
3.3 光敏接收电路......................................................12
3.4 接键可调部分......................................................12
3.5 系统照明和报警部分................................................13
3.6 系统复位与晶振电路................................................13
3.7 软件设计部分......................................................13
3.8 程序源程序:见附页 1 ...............................................14
4 调 试 .................................................................14
4.1 硬件调试..........................................................14
4.2 软件的调试.......................................................14
5.总结与展望 .............................................................16
5. 1 工作总结 .........................................................16
5. 2 展望 .............................................................16
参考文献: ................................................................17
致 谢 ...................................................................18
附页 1： 程序清单.........................................................19
