题解 | #四选一多路器#
四选一多路器
https://www.nowcoder.com/practice/cba4617e1ef64e9ea52cbb400a0725a3
`timescale 1ns/1ns
module mux4_1(
input [1:0]d1,d2,d3,d0,
input [1:0]sel,
output[1:0]mux_out
);
//*************code***********//
reg [1:0] rmux_out;
always@(*)
if(sel == 2'd0)
rmux_out = d3;
else if(sel == 2'd1)
rmux_out = d2;
else if(sel == 2'd2)
rmux_out = d1;
else
rmux_out = d0;
assign mux_out = rmux_out;
//*************code***********//
endmodule
