黄 河 科 技 学 院 课 程 设 计 说 明 书 第 I 页
目 录
摘 要.........................................................................................................................................1
1 绪论.........................................................................................................................................3
1.1 数字时钟与日历设计的背景 ...................................................................................................3
2 设计方案.................................................................................................................................8
2.1 主程序 ............................................................................................................................................8
2.2 数码管显示模块 ..........................................................................................................................9
2.3 定时器计数器 T0 中断服务程序............................................................................................9
2.4 按键处理模块................................................................................................................................9
3 硬件电路设计.........................................................................................................................9
3.1 复位电路......................................................................................................................................10
3.2 时钟电路......................................................................................................................................10
3.3 按键电路......................................................................................................................................11
3.4 数码管显示电路 ........................................................................................................................12
3.5 电源电路设计.............................................................................................................................13
4 软件设计与程序代码...........................................................................................................14
4.1 软件选择与介绍 ........................................................................................................................14
4.1.1 软件介绍 ..........................................................................................................................14
4.1.2 Proteus7.8 的特点............................................................................................................14
4.2 软件仿真电路全图....................................................................................................................16
4.3 源程序代码 .................................................................................................................................17
5 结论 ..........................................................................................................................................................22
参考文献......................................................................................................................................................23
致谢...............................................................................................................................................................24