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以三星公司的S3C44B0X为主控CPU,沁恒电子的CH375芯片为USB设备的接口芯片,给出了实际应用中的工控设备的USB接口系统原理图,并给出了相关的源代码。该接口系统运行稳定,传输速度也较快,目前已在应用中。
Taking S3C44B0X of Samsung Corporation as the main control CPU, CH375 chip of Qin Heng Electronics is the interface chip of USB device, and gives the schematic diagram of the USB interface of industrial control equipment in practical application, and gives the relevant source code. The interface system is stable, the transmission speed is faster, is currently in use.