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 cnt;
always@(posedge clk or negedge rst_n) begin
if(!rst_n) begin
cnt <= 1'b0;
end
else begin
cnt <= valid_in?(~cnt):cnt;
end
end
reg [7:0] data_reg;
always@(posedge clk or negedge rst_n) begin
if(!rst_n) begin
data_reg <= 'd0;
end
else begin
data_reg <= valid_in?data_in:data_reg;
end
end
always@(posedge clk or negedge rst_n) begin
if(!rst_n) begin
data_out <= 'd0;
valid_out <= 1'b0;
end
else begin
data_out <= (cnt & valid_in)?{data_reg,data_in}:data_out;
valid_out <= (cnt & valid_in);
end
end
endmodule
