KEIL USB routines are based on the uVision2.5

用ＵＳＢ进行数据采集有明显的优越性，　该程序是ＵＳＢ数据采集的界面程序，配合固件程序可以行成完整的数据采集系统．-use USB data acquisition are obvious advantages, The procedure is the USB interface data collection procedures, firmware can tie into a complete line of data acquisition system.

用CY7C630芯片做USB转串口的汇编原程序,里面有编译生成的hex文件.写入芯片就可使用.最高波特率为24-do with CY7C630 chip USB to Serial compilation of the original procedure, which has compiled documents generated hex. The chips can be used. The highest baud rate for 24

USBCAN device for communications

usb万能驱动源代码，能够驱动多类USB接口设备-MicrosoftUSBstorageUDADrivers

usb的程序与编程，很不错的，bulk和同步传输。-usb procedures and programming, very good, the bulk transmission and synchronization.

USB与USB互传文件的软件，能够实现PC机与另外一台PC机的文件传输-USB and USB to each other document software, can be achieved with another PC-a PC-File Transfer

usb programmer schematic for arm

一个很好的serial 串口演示代码，演示串口的读写功能-a good code for comm communication

USB2.0　HOST　芯片驱动源代码，内附UBI9021芯片相关资料。-USB2.0 Host chipset driver source code, including ubi9021 chipset related matiarials.

一个毕业生的设计文档，有些经验吸收-graduates of a design documents, to absorb some experience