南华大学电气工程学
院课程设计
目 录
1. 绪论........................................................................................................................................1
2. 系统硬件电路的
设
计............................................................................................................2
2.1 单片机系统及外围电路.......................................................................................................2
2.2 1602
字符液晶......................................................................................................................4
2.3 键盘电路设计......................................................................................................................6
2.4 液晶显示电路设计..............................................................................................................7
2.5 系统电路图..........................................................................................................................8
3.系统程序的设计......................................................................................................................8
3.1 初始化显示程序..................................................................................................................9
4. 调试及性能分析..................................................................................................................9
4.1 开发环境介绍......................................................................................................................9
4.2 设计流程图........................................................................................................................10
4.3 系统调试............................................................................................................................10
5. 总 结..................................................................................................................................11
参考文献...................................................................................................................................12
附录...........................................................................................................................................13
iii