module bufferdomain #(parameter AW = 8) ( input [AW-1:0] input_data, output reg [AW-1:0] output_data, input reset, // active low output reg output_enable, input clock, input input_enable); reg [1:0] counter; always @(posedge input_enable) begin if (input_enable) begin output_data <= input_data; end end always @(posedge input_enable or negedge clock) begin if (input_enable) begin counter <= 2; end else begin if (~reset) begin counter <= 0; end else begin if (counter != 0) counter <= counter - 1; end end end always @(*) begin if (counter == 1) output_enable = 1; else output_enable = 0; end endmodule