基于USB总线接口芯片CH375的虚拟仪器设计

Design of a Virtual Instrument with USB Interface Based on Chip CH375

介绍了一款采用USB接口实现低频信号检测、万用表、信号发生器等功能的虚拟仪器设计方案,重点介绍了基于USB总线接口芯片CH375的接口及程序构成.

A design of a virtual instrument with USB interface having the functions of oscillograph, multimeter and signal generator is introduced. And the design of interface circuit and related programming base on the chip CH375 is described emphatically.