现代电子技术综合实验报告.docx

现代电子技术综合实验报告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 29010XX33 电子设计实验室 32班级:学号:实验地点:实验学时: XX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·························································································································12总体设计方案·····························································································································23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··········································································································54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··········································································································85系统调试···································································································································106设计总结···································································································································11参考文献·······································································································································12附