很棒的usb开发图书

USBN9604接口芯片.HID类完全通讯版-USBN9604 interface chip. HID category complete communications edition

usb carpet for descrive about usb driver

关于usbview的程序-procedures on usbview

USB上位机驱动的DEMO程序源代码,基于ARM或其它下位机的上位机驱动-USB PC DEMO-driven source code, based on the ARM or other under the upper-bit machine driver

用于查询PC机上的USB端口是否有设备挂接上，并显示挂接的设备PID,UID。-For inquiries PC, whether there is the USB port mounted on the equipment and show equipment articulated PID, UID.

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

这是一个PL2303适配器与JTAG冰，虽然，或串行通信，但我认为是非常方便和紧凑。驱动芯片74HC245I这里更多，所以没有244，是一样的。Mega16L选择TQFP包。

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编译）及硬件（SCH/PCB），可以直接使用-STC89C55+ STA013+ CH375 design read U disk (has passed)/hard disk (not debugging, but also放上来) of MP3 players, support the choice of songs, lyrics display, etc. The complete source code (KEIL compiler) and hardware ( SCH/PCB), can be directly used

vb下调用usb 接口smartcard的应用例程，希望对大家有参考价值-vb call usb interface smartcard under the application of routine, in the hope that we have a reference value

支持PC机的各种端口的读写,包括,并口,串口,USB,-Support a variety of PC-to read and write ports, including parallel, serial, USB, etc.