一块XC3S400 FPGA电路板的原理图，板子上有CY7C68013A作为USB接口,A XC3S400 FPGA circuit board schematics, board have CY7C68013A as USB interface

16通道逻辑分析仪（xilinx XC3S50AN-4TQ144C +CY7C68013A-56PVXC）pcb图纸 使用altium 08打开-schdoc+pcbdoc

The Spartan3E Starter Kit is xup s only supported hardware platform. Its integrated programming hardware consists of a cy7c68013a-100axc EZ-USB and a XC2C256-VQ100-6C CPLD. Mysteriously, the starter kit s schematics exclude this USB programming

USB2.0的FPGA内核，使其可以通过FPGA控制CY公司出品的CY7C68013USB微控制器，对USB设备进行读写操作。-• Xilinx Spartan-3 XC3S400 FPGA • High-Speed (480 MBit/s) USB interface via Mini-USB connector (B-type) • Cypress CY7C68013A/14A EZ-USB-Microcontroller • 60 G