目录第一章系统概要...........................................................................................................11.1系统背景...........................................................................................................11.2系统功能框图...................................................................................................1第二章系统硬件设计...................................................................................................22.1系统原理图.......................................................................................................22.2单片机（MCU）模块......................................................................................22.2.1MC908GP32单片机性能概述...............................................................22.2.2内部结构简图与引脚功能.....................................................................32.2.3GP32最小系统.......................................................................................52.3传感器模块.......................................................................................................62.4信号放大模块...................................................................................................72.5A/D转换模块...................................................................................................72.5.1进行A/D转换的基本问题....................................................................72.5.2A/D转换模块的基本编程方法.............................................................82.5.3A/D芯片TCL2543概述........................................................................82.6串行通信模块.................................................................................................112.6.1串行通信常用概念...............................................................................112.6.2RS-232C总线标准...............................................................................12第三章系统软件设计.................................................................................................133.1MCU方（C）程序........................................................................................133.1.1A/D转换子程序...................................................................................143.1.2串行通信子程序...................................................................................173.2PC方（VB）程序..........................................................................................193.3PC方界面.......................................................................................................23第四章系统测试.........................................................................................................24第五章总结展望.........................................................................................................245.1总结.................................................................................................................245.2展望.................................................................................................................25参考文献......................................................................................................................25第一章系统概要1.1系统背景温度是日常生活、工业、医学、环境保护、化工等领域遇到的一个物理量。温度测量的基本方法是使用温...
