usb 读卡器atmel2051方案(usb to uart)
usb 读卡器atmel2051方案(usb to uart)...
usb 读卡器atmel2051方案(usb to uart)...
USB接口的Protel封装库 USB接口的Protel封装库...
It demonstrates an USB Audio Device - Speaker. USB Video Driver 很好的参考...
ATMEL at90usb128 usb HID source code for win-avr...
USB1.1 agreement, the Chinese translation, a detailed description of the agreement USB format and application development....