Introduction - If you have any usage issues, please Google them yourself
This book standardized industry-standard USB. Introduction of the normative characteristics of the USB bus, agreement, transaction type, bus management, interface programming, design, and the establishment of systems, peripheral equipment required for manufacturing standards. USB design goal is to be produced by different manufacturers of equipment can be in an open system widely used. Norms to improve the portability of the business or home computer s existing architecture, then the system peripherals manufacturers and developers to provide sufficient space to create a multi-functional products and the development of a broad market, and do not have to use the old interface, fear the loss of compatibility.