瑞萨USB控制器

ps2鼠标转usb鼠标的89s52仿真源码，-ps2 mouse usb mouse 89s52 transfer simulation source code,

usb协议的深层剖析,对usb协议的详细解释-A deep anatomy and detail explanation for USB protocol.

基于philip的arm7芯片214x的usbdma应用的上位机程序，驱动编好usb的程序，就可直接调用此程序-214x chip based on philip s arm7 the usbdma applications PC, driver usb to compiling the program, you can call this procedure directly

带并行总线的USB接口器件-parallel bus with USB Interface

usb在vb下的通信-usb in vb Communication

DBUGU串口调试，dataflash的初始化通过spi进行读写操作-DBUGU serial debugging, dataflash initialize read and write operations through the spi

USB HUB 芯片资料,开发参考，维修，试验用--来自其他网络 -USB HUB chip data, the development of reference, maintenance, used in the experiments from other network

ERP企业资源管理软件开发知识教育文章， 对于欲要了解ERP知识的同人有所帮助。 -ERP enterprise resource management software development knowledge education article, for wishing to understand ERP knowledge help colleagues.

V551 USB Motorola drivers

USB CDC implementation on Silabs MCU