系统设计 ........................................................................................................
1、设计思路 ...........................................................................................................................
2、总体框图 ...........................................................................................................................
3、分块设计 ...........................................................................................................................
1：分频模块.........................................................................................................
2：按键、防抖模块 ..............................................................................................
3：判断模块.........................................................................................................
4：点阵显示模块..................................................................................................
5: 计分模块 .........................................................................................................
6：数码管显示模块 ..............................................................................................
7： 蜂鸣器模块…………………………………………………………………...…………..
仿真波形及波形分析 ......................................................................................
源程序............................................................................................................
源程序：...............................................................................................................
原理图：...............................................................................................................
功能说明及资源利用情况 ...............................................................................
1、功能说明 ...........................................................................................................................
2、资源利用状况 ...................................................................................................................
3、元件清单 ...........................................................................................................................
故障及问题分析..............................................................................................
1、防抖 ...................................................................................................................................
总结和结论................................................................................................. 18
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