目录
第一章 系统概要..............................................................................................................................5
1.1 课题研究背景.....................................................................................................................5
1.2 数字电压表的分类..............................................................................................................5
1.3 系统功能..............................................................................................................................5
第二章 设计总方案..........................................................................................................................6
2.1 设计题目.............................................................................................................................6
2.2 设计内容及要求.................................................................................................................6
2.3 设计原理及方案.................................................................................................................6
第三章 硬件设计..............................................................................................................................7
3.1 A/D 转换电路......................................................................................................................7
3.2LED 显示电路......................................................................................................................7
第四章 系统软件设计......................................................................................................................8
4.1 主程序（main.c）...............................................................................................................8
4.2 中断子程序（Isr.c）..........................................................................................................9
4.3 LED 子程序（LED.c） ....................................................................................................10
第五章 系统测试............................................................................................................................13
5.1 运行界面调试...................................................................................................................13
5.2 运行结果图.......................................................................................................................14
第六章 总结....................................................................................................................................15
6.1 结论....................................................................................................................................15
6.2 展望....................................................................................................................................15
6.3 致谢....................................................................................................................................15
6.4 参考文献............................................................................................................................16
