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目 录
1 绪论 .....................................................................1
2 系统硬件设计 .............................................................1
2.1 单片机介绍 .........................................................1
2.2 系统原理 ...........................................................2
2.3 主要元器件介绍 .....................................................2
2.4 各模块设计 .........................................................4
2.4.1 LED 显示模块设计 ..............................................4
2.4.2 键盘模块设计 .................................................4
2.4.3 声音模块设计 .................................................4
2.4.4 接口电路设计 .................................................4
2.5 单片机控制电路 .....................................................5
3 系统软件设计 .............................................................5
3.1 系统总流程图 .......................................................5
3.2 各模块功能设计 .....................................................6
3.3 系统平台 ...........................................................9
3.3.1 汇编语言 .....................................................9
3.3.2 伟福软件 ....................................................10
3.4 计数器延时设定 ....................................................11
3.4.1 计数器硬件延时 ..............................................11
3.4.2 软件延时 ....................................................12
4 系统测试 ................................................................12
4.1 系统硬件调试 ......................................................12
4.2 系统软件调试 ......................................................13
5 结论 ....................................................................13
参考文献 ...................................................................14
附 录 .....................................................................15
致 .......................................................................22
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