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 [7:0] data_in_r; always@(posedge clk or negedge rst_n)begin if(!rst_n)begin flag <= 0; data_in_r <= 0; data_out <= 0; valid_out <= 0; end else if(valid_in)begin flag <= ~flag; case(flag) 1'b0 : begin data_in_r <= data_in; valid_out <= 0; end 1'b1 : begin data_out <= {data_in_r,data_in}; valid_out <= 1; end endcase end else begin valid_out <= 0; end end endmodule