此VHDL程序是实现与单片机通讯，实现用单片机8个IO口控制FPGA做AD转换，且AD转换芯片是10bit，作高速AD转换。-This VHDL program is to achieve single-chip communication, control FPGA using a single-chip 8 IO port AD converter AD converter chip is a 10bit, for high-spe