基于51单片机的数字电压表设计二级学院铜陵学院专业自动化班级组号组员指导教师目录一课程设计任务书·············································································错误!未定义书签。

1.1 设计题目、目的 ·······································································错误!未定义书签。

1.2 题目的基本要求和拓展功能························································错误!未定义书签。

1.3 设计时间及进度安排 ·································································错误!未定义书签。

二设计内容······················································································错误!未定义书签。

2.1 元器件选型··············································································错误!未定义书签。

2.2 系统方案确定 ··········································································错误!未定义书签。

2.3 51单片机相关知识 ···································································错误!未定义书签。

2.4 AD转换器相关知识 ···································································错误!未定义书签。

三数字电压表系统设计 (7)3.1系统设计框图 (8)3.2 单片机电路 (9)3.3 ADC采样电路 (10)3.4显示电路 (11)3.5供电电路和参考电压 ····························································································3.6 数字电压表系统电路原理图 ··················································································四软件部分4.1 主程序4.2 显示子程序五数字电压表电路仿真5.1 仿真总图5.2 仿真结果显示六系统性能分析七心得体会一课程设计任务书智能仪表课程设计是自动化专业的专业实践课程。