关于USB应用的详细介绍，一本实用的USB电子书，在具体项目中很值的参考。-USB applications on the detailed descr iption of a practical USB e-books, in a very specific projects, the value of reference.

usb2.0原理与工程开发电子书，可作为参考-usb2.0 principles and engineering e-books, can be used as reference to

linux下关于USB驱动程序设计的很好的一个电子书籍，内容详细！对于USB驱动开发有好的借鉴！-Under linux USB driver on a well designed e-books, and detailed! USB driver development for a good reference!