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,s1,s2,
input [1:0]sel,
output[1:0]mux_out
);
reg [1:0] mux_out1;
always @(*)begin
if(sel==2'b00)
mux_out1=d3;
else if(sel==2'b01)
mux_out1=d2;
else if(sel==2'b10)
mux_out1=d1;
else if(sel==2'b11)
mux_out1=d0;
end
assign mux_out=mux_out1;
endmodule
