摘要 ....................................................................................................3
引言 ....................................................................................................3
1.设计目的 .........................................................................................4
2.设计要求 .........................................................................................4
3.系统总体方案硬件设计 .................................................................4
3.1 设计思想及总体设计...............................................................................4
3.2 硬件设计...................................................................................................5
3.3 复位电路 9
3.4 数码管显示 9
3.5 红绿灯显示 10
3.6 键盘：独立键盘+中断 10
3.7 系统原理图 11
4 软件设计 11
4.1 总体流程 11
4.2 循环流程控制思路.................................................................................12
4.3 源程序.....................................................................................................12
5 调试运行 .......................................................................................17
5.1 正常运行状态.........................................................................................17
5.2 左右行显示.............................................................................................18
5.3 黄灯闪烁显示.........................................................................................18
6.设计心得体会 ...............................................................................19
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