USB(Universal Serial Bus) is a new interface technology used in PC field, a stylish interface that is Swiftness, Bi-directional, Cheapness, and Hot-plugging.

• USB(通用串行总线)是一种应用在PC领域的新型接口技术,是现在非常流行的一种快速、双向、廉价、可以进行热插拔的接口。