Introduction - If you have any usage issues, please Google them yourself
Book industry standard USB. This specification describes the characteristics of the USB bus, agreement, transaction type, bus management, interface programming, design, and create a system, manufacturing peripherals required standard. Design USB goal is to make the equipment produced by different manufacturers can be widely used in an open system. The specification to improve the existing architecture of the portable business or home computer, and then provide enough space for system manufacturers and peripheral developers to create multifunctional products and the development of a broad market, and do not have to use the old interface, fear lose compatibility.