目录
1 前言 ........................................................................................................................................1
2 设计任务及要求 ......................................................................................................................2
2.1 设计任务 .....................................................................................................................2
2.2 设计要求 .....................................................................................................................2
3 课程设计方案及器材选用分析 ............................................................................................3
3.1 设计总体方案 .............................................................................................................3
3.1.1 方案论证 ...........................................................................................................3
3.1.2 方案二的总体设计框图 ...................................................................................4
3.2 器材选用分析 ................................................................................................................4
3.2.1 DS18B20 温度传感器 ......................................................................................4
3.2.2 AT89S52 单片机介绍.....................................................................................12
3.3 软件流程图 ...............................................................................................................15
3.3.1 主程序 .............................................................................................................15
3.3.2 读温度子程序 .................................................................................................15
3.3.3 温度转换命令子程序 .....................................................................................16
3.3.4 计算温度子程序 .............................................................................................16
4 硬件电路的设计 ..................................................................................................................17
4.1 Protel99 SE 软件介绍 ...............................................................................................17
4.1.1 Protel99 SE 软件.............................................................................................17
4.1.2 主控制电路图 .........................................................................................................18
4.2 Proteus 进行仿真 .....................................................................................................20
4.2.1 Proteus
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简介..................................................................................................20
4.2.2 proteus 仿真图 ................................................................................................20
5 调试性能及分析 ..................................................................................................................22
课程设计心得 ............................................................................................................................24
参考文献 ....................................................................................................................................25
附录：DS18B20 显示程序........................................................................................................26
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