目 录...............................................................1
摘 要...............................................................1
1 引言..............................................................5
1.1 选题目的及意义 ..............................................5
1.2 技术发展历程 ................................................5
2 方案设计..........................................................7
2.1 理论基础知识 ................................................7
2.2 设计方案 ....................................................7
3 硬件设计..........................................................9
3.1 电路设计应用软件环境 ........................................9
3.2 施密特触发器电路 ...........................................10
3.2.1 施密特触发器..........................................10
3.2.2 多谐振荡器电路设计....................................12
3.3 单片机测量电路 .............................................13
3.3.1 单片机简介............................................13
3.3.2 时钟与复位电路 ........................................16
3.3.3 单片机测量电路设计....................................17
3.4 显示电路 ...................................................18
3.5 电源电路 ...................................................19
4 软件设计.........................................................21
4.1 软件设计应用环境 ...........................................21
4.2 设计流程 ...................................................21
4.3 单片机中断 .................................................23
4.3.1 单片机中断系统........................................23
4.3.2 中断程序设计 ..........................................24
4.3.3 液晶显示程序设计......................................25
5 硬件制作.........................................................29
5.1 元器件清单 .................................................29
5.2 制作过程 ...................................................29
6 总结.............................................................31
致 谢..............................................................32
参考文献...........................................错误！未定义书签。
附录...............................................................36
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