FPGA——1位10进制计数程序，可用原理图输入法拓展n位，下载后可直接使用，Q2中综合已通过，基于cyclone-FPGA- 1 station 10 hexadecimal counting procedures, schematics can be used to expand n-bit input, can be used directly after downloading, Q2 has passed comprehensive, based on the cyclone