DSP通过双口RAM和ISP1581实现下位机的USB固件程序，调试通过，上位机驱动和读写例程，如果下载多的话再传-DSP through dual-port RAM and ISP 1581 to achieve lower computer's USB firmware and Debugging, PC drivers and routines to read and write, if you download are so tame

周立功公司的USB芯片ISP1581的EEPROM控制上位机VC编的原程序-weeks meritorious's USB chip EEPROM ISP 1581 PC control VC series of the original program

usb芯片设计原理图，包含有USB_1161、1362、1581、PDIUSBD12-usb chip design schematics, contains USB_1161, 1362,1581, PDIUSBD12

该程序包括驱动程序和应用程序，使用DP-1581开发板，完成了八位数据在数码管的显示。-The program, including drivers and applications, the use of DP-1581 development board, completed the eight data in digital tube display.