// // Copyright 2011 Ettus Research LLC // module add2_reg #(parameter WIDTH=16) (input clk, input [WIDTH-1:0] in1, input [WIDTH-1:0] in2, output reg [WIDTH-1:0] sum); wire [WIDTH-1:0] sum_int; add2 #(.WIDTH(WIDTH)) add2 (.in1(in1),.in2(in2),.sum(sum_int)); always @(posedge clk) sum <= sum_int; endmodule // add2_reg