any_even.vhd

可以实现时间调节

library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_arith.all;
use ieee.std_logic_unsigned.all;

entity any_even is
	generic (data_width : integer := 24 );
	port(input1 : in std_logic_vector(data_width-1 downto 0);
		 clk_in : in std_logic;
		 clk_out : out std_logic);
end entity any_even;
	
architecture div1 of any_even is
	signal clk_outQ : std_logic ;
	signal coutQ : std_logic_vector (data_width - 1 downto 0);
	begin

	process(clk_in)
	begin
	if clk_in'event and clk_in='1' then 
		if coutQ /= ((conv_integer(input1))/2 - 1) then 
			coutQ <= coutQ + 1;
		else clk_outQ <= not clk_outQ;
			 coutQ <=(others =>'0');
			end if;
	end if;
	end process;
clk_out <= clk_outQ;
end architecture div1;