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 mux_out; always @(*) begin case(sel) 'b00: mux_out = d3; 'b01: mux_out = d2; 'b10: mux_out = d1; 'b11: mux_out = d0; default: mux_out = d3; endcase end //*************code***********// endmodule