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基于MSP430的低功耗数字多功能表的设计

发表时间:2013-11-30  浏览量:2026  下载量:1023
全部作者: 王永明,王桂海,姜淑香
作者单位: 山东科技大学信息科学与工程学院
摘 要: 介绍了基于MSP430F157的低功耗多功能表设计。该系统由主控芯片、信号发生电路、液晶显示电路、键盘输入电路和相应的测量电路组成,实现了对直流/交流电压、电阻、电容以及晶体三极管放大倍数的多量程测量功能和频率可调正弦波/方波的输出功能。此外,系统还扩展了量程自动切换、1 min无操作自动休眠等人性化功能。经测试,该系统可以良好地完成测量、输出任务,且测量精度理想、交互界面友好。
关 键 词: 电子电路;MSP430F157;多功能测量;信号发生;低功耗;自休眠
Title: Design of low-power digital multimeter based on MSP430
Author: WANG Yongming, WANG Guihai, JIANG Shuxiang
Organization: College of Information Science and Engineering, Shandong University of Science and Technology
Abstract: The paper describes the design of low-power digital multimeter based on MSP430F157. The system contains master-chip, the signal generating circuit, liquid crystal display circuit, keyboard input circuit and the corresponding measuring circuit, and it has many multi-range measurement functions, such as AC/DC voltage measurement, resistance measurement, capacitance measurement and transistor amplification measurement, and adjustable frequency sine wave or square wave output function. Furthermore, the system also extends humanity functions such as the automatic range switching, one minute free operation automatic sleep. After testing, the system can complete the measurement and the output task well, and it has ideal measurement accuracy and friendly interface.
Key words: electronic circuit; MSP430F157; multi-measurement; signal generating; low-power; automatic sleep
发表期数: 2013年11月第22期
引用格式: 王永明,王桂海,姜淑香. 基于MSP430的低功耗数字多功能表的设计[J]. 中国科技论文在线精品论文,2013,6(22):2136-2141.
 
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