MSP4单片机的高精温检测测验系统.docVIP

ABSTRACT 摘要 PAGE 20 PAGE III 第4章温度测试系统 摘要 本文旨在设计一个基于MSP430单片机的高精度的温度测试系统，以应用于实际温度测控。有两个主要要求：1.用LCD做显示器。2.微功耗实现。预期成果是使得该系统测温精度达到±0.5℃，测温范围达到 基于上述要求，论文首先介绍了超低功耗16 位单片机MSP430F149和数字温度传感器DS18B20 的基本特性，内部结构和应用，然后结合液晶显示模块MG-12232，画出了PROTEL电路图，PCB图，设计了一个小型测温系统，并写出了相应的程序代码。 利用MSP430 单片机的超低功耗以及DS18B20 的单线接口方式，实现了整个系统的低功耗，结构简单，性能稳定，经济实用。最后基于集成开发环境IAR Workbench 给出了主要的C430函数。 关键词：测温系统，MSP430F149， DS18B20 Abstract ABSTRACT This article is for the purpose of designing one based on the MSP430 monolithic integrated circuit high accuracy temperature test system, meets uses in the actual temperature observation and control. Some two overriding demands: 1. uses LCD monitor.2. ultra-low power realizations. The anticipated achievement is causes this system temperature measurement precision to achieve ±0.5℃, the temperature measurement scope achieves 0℃ Based on the above request, the paper first introduced ultra low power loss 16 monolithic integrated circuit MSP430F149 and the digital temperature sensor DS18B20 basic characteristic, the internal structure and the application, then union liquid crystal display module MG-12232, has drawn the PROTEL circuit diagram, the PCB chart, has designed a small temperature measurement system, and has written the corresponding procedure code. Using the ultra-low power of the MSP430microcontroller and the 1-WARE interface mode of the DS18B20, the ultra-low power、simple structure、stable performance and practicality of the whole system is realized.Some primary C430 functions are presented in the IAR Workbench IDE. Key words: temperature detecting system，MSP430F149， DS18B20 电子科技大学学士学位论文 目录 目 录 TOC \o 1-3 \h \z \u HYPERLINK \l _Toc200985207第1章引言 PAGEREF _Toc200985207 \h 1 HYPERLINK \l _Toc2009852081.1 课题背景 PAGEREF _Toc200985208 \h 1 HYPERLINK \l _Toc2009852091.2 课题简介 PAGEREF _Toc200985209 \h 1 HYPERLINK \l _Toc200985210第2章MSP430单片机 PAGEREF _Toc200985210 \h 3 HYPERLINK \l _Toc2009852112.1 MSP430系列单片机的特点 PAGEREF _Toc200985211 \h 3 HYPERLINK \l _Toc2009