module multiplexer2 #( parameter WIDTH = 32 ) ( input logic sel, input logic [WIDTH-1:0] in0, input logic [WIDTH-1:0] in1, output logic [WIDTH-1:0] out ); multiplexer #(.WIDTH(WIDTH), .CHANNELS(2)) multiplexer_inst ( .sel(sel), .in_bus({in0, in1}), .out(out) ); endmodule