目录
1 绪论 ......................................................................1
1.1 选题的目的和意义 ......................................................1
1.1.1 选题的目的 .........................................................1
1.1.2 选题的意义 .........................................................1
2 数字温度计的设计方案 ......................................................1
2.1 设计方案的确立及论证 ..................................................1
2.2 系统器件选择...........................................................2
2.2.1 单片机的选择 ......................................................2
2.2.2 温度传感器的选择 .................................................2
3 系统硬件电路的设计 ........................................................4
3.1 温度检测电路..........................................................4
3.2 显示电路..............................................................5
4 系统软件的设计 ............................................................6
4.1 概述 ..................................................................6
4.1.1 温度数据的计算处理方法 ............................................7
4.2 主程序模块 ............................................................7
4.3 读温度值模块 ..........................................................8
4.4 中断模块 ..............................................................9
4.5 数码管驱动模块 .......................................................10
5 实验仪器及元件清单 ......................................................11
6 心得体会 ................................................................12
致谢 ....................................................................14
参考文献 ................................................................15
附录：源程序 ...............................................................16
