USB(通用串行总线)具有传输速度快、可靠性高、使用灵活等优点，作为一种通信接口规范，他被广泛地应用在PC外设和便携式系统中。
USB (Universal Serial Bus) possesses good characteristics such as fast transmission, high reliability and flexibility. It has been widely used in the PC peripheral devices and potable system.
介绍了通用串行总线模块usb10 0模块的基本特点和使用方法，并给出了USB10 0与单片机的硬件接口电路和通信程序源代码。
The fundamental characteristics of USB100 and its application are introduced. The interface circuit between USB100 and MCU is given, and the source code of communication program is listed.
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