用cycloneII的C020芯片来控制SPI转I2C的Verilog HDL程序

usb的芯片ip core. 用HDL描述，适合asic/fpga人员参考或使用。USB ip core for ASIC/FPGA designers.-usb chips ip core. with HDL descr iption suitable for asic/fpga staff reference or use. USB ip core for ASIC/FPGA designers.