描述了基于 MSP430的通用定时器／端口模块的电压测量方法，解释了测量原理与过程 ，并列出了计算方程。测

量结果表明：该方法实用、简便，所需器件少，具有较高的测量精度。-Descr iption based on the MSP430 Universal Timer/Port module' s voltage measurement method, explained the principle and the process of measuring and calculating the equation are listed. Measurement results show that: the method is practical, simple and required little device with high measurement accuracy.