目录
1 前言.................................................................................................................................................1
1.1 本设计的目的及意义.................................................................................................................1
1.2 本设计在国内外的发展概况及存在的问题.............................................................................2
1.3 本设计应解决的主要问题.........................................................................................................3
2 方案介绍.........................................................................................................................................3
2.1 设计原理.....................................................................................................................................3
2.2 方案选择.....................................................................................................................................4
2.3 分析问题.....................................................................................................................................5
3 硬件设计.........................................................................................................................................7
3.1 系统硬件总电路构成:...............................................................................................................7
3.2 单片机系统及其历史.................................................................................................................7
3.3 单片机内部组成以及引脚介绍.................................................................................................8
3.4 单片机最小系统.......................................................................................................................10
3.5 LED 显示...................................................................................................................................12
3.6 数码管显示...............................................................................................................................13
3.7 信号显示驱动电路...................................................................................................................15
3.8 键盘输入电路...........................................................................................................................15
3.9 红外接收原理...........................................................................................................................16
4 软件设计.......................................................................................................................................17
4.1 定时器的设置...........................................................................................................................18
4.2 中断程序的设置.......................................................................................................................18
5 调试...............................................................................................................................................18
5.1 断电调试...................................................................................................................................18
5.2 通电调试...................................................................................................................................19
5.3 功能部分的测试.......................................................................................................................19
6 结论...............................................................................................................................................20
参考文献..........................................................................................................................................20
谢辞..................................................................................................................................................22
附录..................................................................................................................................................23
