题解 | #整数倍数据位宽转换8to16#
整数倍数据位宽转换8to16
https://www.nowcoder.com/practice/f1fb03cb0baf46ada2969806114bce5e
`timescale 1ns/1ns module width_8to16( input clk , input rst_n , input valid_in , input [7:0] data_in , output reg valid_out, output reg [15:0] data_out ); reg flag; reg [1:0] cnt; reg [7:0] data_in_reg; always@(posedge clk or negedge rst_n) if(!rst_n) data_in_reg<=0; else if(valid_in) data_in_reg<=data_in; always@(posedge clk or negedge rst_n) if(!rst_n) cnt<=0; else if(valid_in) cnt <= (cnt==2) ? 0 : cnt+1; always@(posedge clk or negedge rst_n) if(!rst_n) flag<=0; else if(valid_in) flag<=~flag; always@(posedge clk or negedge rst_n) if(!rst_n) valid_out<=0; else if(valid_in && flag==1) valid_out<=1; else valid_out<=0; always@(posedge clk or negedge rst_n) if(!rst_n) data_out<=0; else if(valid_in && flag==1) data_out<={data_in_reg,data_in}; endmodule