本文介绍了一种使用USB通用总线接口芯片CH371实现USB接口的硬件设计和软件实现方法。
This thesis introduces a hardware design and software implement method of USB port using CH371 which is a USB general interface chip.
分析了总线接口芯片选择原则和总线冲突解决方案，给出了系统实现的硬件接口电路和软件实现详细框图。
The selection principle of bus interface chip and solution of bus conflict are introduced, together with its concrete hardware circuits and software block chart are given.
介绍了USB总线接口芯片CH375，并在此基础上实现了PC与嵌入式医疗设备的USB通讯，给出了相关的程序代码。
This paper presents CH375 bus interface chips, the USB communication between PC and embedded medical equipment, and the relative procedure code.
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