with serial bus (UniveRSal Serial Bus) is used to apply USB peripherals connected to the mainframe external bus structure, it is mainly used in medium-speed and low-speed peripherals
USB的全稱是UniveRSal Serial Bus,USB支持熱插拔,即插即用的優(yōu)點,所以USB接口已經(jīng)成為MP3的最主要的接口方式。USB有兩個規(guī)范,即USB1.1和USB2.0。 USB1.1是目前較為普遍的USB規(guī)范,其高速方式的傳輸速率為12Mbps,低速方式的傳輸速率為。。。
