基于usb 芯片net2272的一个loopback的程序，稍加修改，即可移植到你的mcu或者dsp上...

这个东西在国外现在要收费的，我上网找了很久，不过现在红外适配器都是一些珍藏物品了，古董。-This thing charges now in foreign countries, I surf the Internet for a long time, but now are some collection items infrared adapter, and antiques.

usb芯片设计原理图，包含有USB_1161、1362、1581、PDIUSBD12-usb chip design schematics, contains USB_1161, 1362,1581, PDIUSBD12

数据采集卡，采用同步传输模式。包括主机程序，固件源程序，驱动程序。出自《USB2.0原理与工程开发》我现在需要USB键盘方面的源程序，如果你有请提供crzman@163.com-data acquisition cards, using asynchronous transfer mode. Including mainframe procedures, firmware source, the driver. From "USB2.0 Principle and the development of the project," I now need a USB keyboard aspects of the source, If you please provide crzman@163.com

usb user mode lib

yusuf ozturk goı ng a electronik engineering departman of gebze high technology of enstitue. end this fileis c++ decument of pic 18f4550 - yusuf ozturk goı ng a electronik engineering departman of gebze high technology of enstitue. end this fileis c++ decument of pic 18f4550

USB2.0-CY7C68013A-56使用手册-USB2.0-CY7C68013A-56 User" s Guide

usb 的开发文档，非常有参考价值 详细讲述了CY7C68013的开发过程-usb development documents, a very valuable reference for a detailed account of the development process CY7C68013

USB开发固件程序详细.-USB firmware development process in detail.

usb2.0芯片68013的设备驱动程序,可以很可以实现对68013的各种操作，并且很容易修改以满足自己的需求。-68013 chip USB 2.0 device driver, can be achieved for the various operational 68,013, and easily modified to meet their demands.

USBCAN device for communications