串口AD的FPGA实现，为verilog程序，芯片为7883，编译已通过-Serial FPGA implementation of AD for verilog program for the 7883 chip, the compiler has passed

FPGA的串口程序,用verilog语言写的，没找到Verilog选项，放到VHDL里面了-USART　in fpga