内蒙古工业大学本科毕业设计说明书
目 录
引言..............................................................................................................................................................1
第一章 抢答器应用.....................................................................................................................................2
1.1 比赛规则分析................................................................................................................................2
1.2 数字电子抢答器设计要求............................................................................................................2
第二章 系统部分模块方案论证及选择.....................................................................................................3
2.1 数字电子抢答器控制器模块........................................................................................................3
2.2 抢答器及计分器显示模块............................................................................................................3
2.3 电源方案的选择............................................................................................................................4
第三章 系统硬件部分设计.........................................................................................................................5
3.1 振荡电路........................................................................................................................................5
3.2 复位电路........................................................................................................................................5
3.3 显示电路........................................................................................................................................6
3.4 抢答电路........................................................................................................................................7
3.5 通信电路........................................................................................................................................8
硬件器件附表：................................................................................................................................10
第四章 系统软件设计...............................................................................................................................11
4.1 通信程序......................................................................................................................................11
4.1.1 PC 机与单片机通信程序.................................................................................................11
4.1.2 单片机间通信...................................................................................................................12
4.2 抢答程序......................................................................................................................................15
4.3 计时程序......................................................................................................................................16
第五章 结论...............................................................................................................................................18
参考文献....................................................................................................................................................19
附录............................................................................................................................................................20
总电路图....................................................................................................................................................20
谢辞....................................................................................................................................................21
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2010-04-24
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zhangyan_nuaa2012-05-15根本就不能用，对自己的程序做简介，请慎重
