数字温度计课程设计报告
目 录
1.设计任务.................................................... ................ ................ .............................1
1.1 设计目的........................................... .............. ................................................1
1.2 设计指标................................ ...................... .......................................................1
1.3 设计要求................................................ ............................................................1
2. 设计思路与总体框图................................................ ...............................................1
3. 系统硬件电路的设计............................................... ................................................2
3.1 主控电路............................................... ... .........................................................2
3.2 液 晶 显 示 电 路 ...........................................
.........................................................3
3.3 按键电路....... .... ................................................... ............................................3
3.4 报警电路........................ .................. ................................................................4
4. 系统仿真设计...........................................................................................................4
4.1 仿真原理图............................................... ................ ...... .................................4
4.2 各功能元件的分析.............................................................................................5
5. 系统软件设计.........................................................................................................10
5.1 主程序...............................................................................................................11
5.2 读出温度子程序...............................................................................................11
5.3 温度转换命令子程序.......................................................................................12
5.4 设计温度子程序..............................................................................................12
5.5 1602 的温度显示...............................................................................................13
6. 总结与体会............................................... ....................................... .... ................13
6 1 总结................................................ ............ ....... ...........................................13
6. 2 体会................................................ ............ ....... ...........................................14
7. 参考文献................................................ ............ ....... ............................................15
8. 附录.........................................................................................................................16
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