现代电子技术综合实验报告.doc

现代电子技术综合实验报告
现代电子技术综合实验设计报告范文
综合性实验设计报告
课程名称: 实验名称:
学生姓名:现代电子技术综合实验数显定时器设计吴志斌
09电科
29010201033
电子设计实验室
32班级: 学号: 实验地点: 实验学时:
2012年5月
摘要
本课题以STC89C52单片机和数码管为主要器件,设计出一个通电时显示“99”,以后每分钟减1;时间减到零时,蜂鸣器鸣响10秒钟;定时过程中可通过两个控制按钮动态调整定时时间的数显定时器。
关键词:单片机; LED数码管显示器;定时器;三极管
I
目录
1 项目的主要任务························································································································· 1 2 总体设计方案····························································································································· 2 3 硬件设计····································································································································· 3
STC89C52单片机简介········································································································· 3
一体化红外接收器简介······································································································ 3
红外发射机硬件设计·········································································································· 4
红外接收机硬件设计
·········································································································· 5 4 软件设计···································································································································· 6
单片机软件设计的一般原则······························································································ 6
红外发射机软件设计··········································································································
6
红外接收机软件设计·········································································································· 8 5 系统调试··································································································································· 10 6 设计总结···································································································································
11 参考文献··
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