Xilinx usb下载电缆的图纸资料，可直接制版，然后下载Xilinx的ISE软件进行固件升级。制作图纸准确，使用与官方的下载电缆完全一致。-Xilinx usb download cable drawings, direct plate, and then download the Xilinx ISE software for firmware upgrades. Produce accurate drawings, using the official download cable ex