STC89C55+STA013+CH375设计读U盘（已经通过）/硬盘（还没调试，也放上来）的MP3播放器，支持歌曲的选择，歌词的显示等等的完整源代码（KEIL...

USB接口规范,介绍USB接口原理-USB interface specification, introduced USB Principle

U盘与硬盘相关文档-U disk drives and related documents

高性能USB转串口（可高达10Mbps）完整的源代码-High-performance USB to Serial (up to 10Mbps) complete source code

usb固件编程―函数应用-usb firmware programming-function application

一个USB的访问库，可运行在所有的WINDOWS 系统下-a USB visit libraries, can run in all Windows systems

This example firmware is based on Microchip s USB Support Firmware. The purpose of this example is to provide a model for making a USB combination device. This mainly entails having the USB descriptors set up correctly. File usb_ch9.c contains the mouse and keyboard descriptors in the correct configuration. The main routine of this example moves the cursor in a circle and sends keyboard keycodes for the message "Microchip USB" over and over again. Some advice: Before running this firmware open a blank text document. Make sure that when you run the device/emulator that you are able to give focus to the document. The cursor will be moving in a circle so make sure you have plenty of room to click on the editor window. This will allow you to see the message "Microchip USB" without inadvertently having the message type over an existing document.-This example firmware is based on Microchip s USB Support Firmware. The purpose of this exampl

波形发生器isotransferDRIVER-waveform generator isotransferDRIVER

ubs通信协议规范中文版，设计UBS时参考。-usb protocol specification (chinese Edition) , reference matiarials for design USB.

keyword:usb host sl8

usb温度控制器Inf-usb temperature controller Inf