基于MSP430的一阶RC暂态过程时间常数测量实验设计  

Experimental Design of Time Constant Measurement for First Order RC Transient Process Based on MSP430

作　　者：张冰洋 黄霞 Zhang Bingyang;Huang Xia(Experimental Teaching and Laboratory Management Center,South-Central University for Nationalities,Wuhan,430074,China)

机构地区：[1]中南民族大学实验教学与实验室管理中心,湖北武汉430074

出　　处：《中国现代教育装备》2021年第19期46-49,55,共5页China Modern Educational Equipment

基　　金：中南民族大学教学研究项目“新工科背景下面向工程教育的实验教学研究与探索”(编号:JYX19115);中央高校基本科研业务费专项资金项目“基于NI ELVIS III的虚实融合云服务实验系统研究与设计”(编号:CZQ20019);中南民族大学实验室开放与技改项目“多传感器融合生物医学集成创新实验系统”(编号:JG2019025)。

摘　　要：为提高学生对MSP430系列微控制器的理解和应用能力,提升学生综合运用所学知识的能力,设计了一阶RC暂态过程时间常数测量实验。以MSP430F5529 LaunchPad开发板和LCD BoosterPack插入式模块为硬件平台,利用Code Composer Studio进行软件开发,采用电压极值法对一阶RC电路的时间常数进行实时测量,测量结果通过LCD显示。通过实验,学生掌握了基于CCS平台的MSP430系列单片机的软件开发方法,深入了解了时钟系统、按键、定时器以及PWM,ADC,LCD的原理及应用,进一步提高了综合应用能力。该实验取得了较好的教学效果。In order to improve students'understanding and application ability of MSP430 series processor and improve their ability to comprehensively apply their knowledge,a first-order RC transient process time constant measurement experiment was designed.Using MSP430F5529 LaunchPad development board and LCD BoosterPack plug-in module as the hardware platform,using Code Composer Studio as software development,the voltage extreme value method is used to measure the time constant of the first-order RC circuit in real time,and the measurement result is displayed on the LCD.Through experiments,students mastered the software development method based on CCS,and deeply understood the principles and applications of clock system,key,timer,PWM,ADC,LCD,further improved the comprehensive application ability,and achieved good experimental teaching results.

关 键 词：MSP430微控制器 RC时间常数 电压极值法 CCS 

分 类 号：TP368.1-4[自动化与计算机技术—计算机系统结构] G642.423[自动化与计算机技术—计算机科学与技术]