本文主要对USB375 的性能特点和工作原理以及在电能测量系统中的应用,包括与CPU 的硬件接口、软件设计等方面进行了论述。该系统能够实现与上位机或各种移动设备进行数据高速传输和存储。 【关键词】CH375; USB 接口芯片; 电能测量 【Abstract】The character and principle of the USB375 are presented in this paper. And it's application in power measurement system is also introduced, including the hardware interfere with CPU and the design of software etc. The system can transfer and save the data with all kinds of up-computer or portable devices at high speed. 【Key words】CH375;USB interface chip; power measurement