此处为单片机数据并口输入串口输出的实例，为新手入门所用。涉及单片机串口设置-Here for the MCU data parallel input serial output of the examples used for the beginners. Related to COM port settings

Verilog语言实现的串行输出转换位并行输出的程序代码，并生成模块电路图-module b_c(dout,clk,clr,din) output dout input [3:0] din input clk,clr reg dout reg [3:0] q reg [1:0] cnt always@(posedge clk) begin