philip PDIUSBD12 动态连接库，共应用程序调用，可以轻松实现USB通信...

关于USB便携多道系统，PC端客户软件。调用硬件前，须安装好设备驱动程序，使Windows找到USB便携多道设备，否则可以使用其中的软件模拟功能。-on USB portable multi-channel system, the client PC software. Call hardware, it should install a device driver, Windows find USB portable multi-channel equipment, which can use the software simulation function.

usb通用的驱动程序，特别好用-USB generic driver, especially handy

51单片机控制D12 USB器件的完整源代码, keil工程文件,可以在周立功开发板上运行-51 MCU control D12 USB device complete source code, c51 engineering documents, in the weeks running meritorious development board

This Program uses the 2131 dev board s push buttons and seven-segment LED for limited keyboard functionality and is based on the EZ-USB firmware frameworks.

usb_232（仅枚举）-usb_232 (only Enumeration)

usb接口的硬件设计参考-usb interface hardware reference design

用ti的dsp2407读写sl811，包括u盘的读写-with the dsp2407 sl811 literacy, including reading and writing u-

基于fpga的usb实现，包含简介，程序，原理图，与大家分享！-USB implement based on FPGA, including program and schematic circuit diagram. Share with all you.

USB2.0频谱分析仪是一种高分辨率的动态信号谱分析系统，既可用于中低频低通信号的分析和处理（最高频率不超过20MHZ），也可用于频率很高的带通信号的分析和处理。-USB2.0 spectrum analyzer is a high-resolution dynamic signal spectrum analysis system, which can be used in low frequency communication, analysis and processing (not more than the maximum frequency of 20MHZ), can also be used for high frequency communications with the issue of the analysis and processing.

介绍如何用VC++编写USB接口通信程序的PDF文档，说的很详细的。-Describes how to use VC++ Preparation USB interface communication process PDF documents, said in great detail.