use USB with 8051 to comunicate,including source code.

USB调试助手 USBDEBUG是一款操作及其简单的USB调试工具软件。它能够快速准确的对USB设备进行数据的读写操作，可以实时监测从USB设备发来的数据。（目前只支持调试Philips公司的PDIUSBD12和ISP1581) -USB debugging assistant USBDEBUG is a simple USB operation and the debug tools. It can fast and accurate data on the USB device to read and write operations can be real-time monitoring from a USB device sent data. (Currently only supports debugging Philips company" s PDIUSBD12 and ISP1581)

USB设备驱动程序源码-USB device driver source code

Motorola摩托罗拉 U6c手机USB驱动 -Motorola Motorola phone USB driver U6c

深入解析了USB的核心技术，很有参考价值-good for learn usb

本程序适用于购买的朋友,本代码为此书的第12章-This procedure applies to the purchase of

数据采集程序，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 collection procedures, 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串口编程说明。-usb serial programming note.

USB开发大全英文原版，包括各种传输模式的描述和otg-Encyclopedia of the English original USB development, including a description of a variety of transmission modes and OTG

samsung 44b0X通过pusbd12的usb通讯程序-pusbd12 through the USB Communication Program

vb下usb通讯的例子-The example of communication of usb in vb