module Debounce_Filter
#(parameter DEBOUNCE_LIMIT = 20) (
  input i_Clk,
  input i_Bouncy,
  output o_Debounced
);

reg [$clog2(DEBOUNCE_LIMIT)-1:0] r_Count = 0;
reg r_State = 1'b0;

always @(posedge i_Clk)
begin
  if (i_Bouncy !== r_State && r_Count < DEBOUNCE_LIMIT - 1)
  begin
    r_Count <= r_Count + 1;
  end
  else if (r_Count == DEBOUNCE_LIMIT - 1)
  begin
    r_State <= i_Bouncy;
    r_Count <= 0;
  end
  else
  begin
    r_Count <= 0;
  end
end

assign o_Debounced = r_State;

endmodule