divclk2hdl.vhd

SOPC Builder创建的CPU

library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_arith.all;
use ieee.std_logic_unsigned.all;
entity divclk1 is
    port(clk:in std_logic:='0';
           divclk:out std_logic);
end divclk1;
architecture Behavioral of divclk1 is
signal counter:std_logic_vector(5 downto 0):="000000";
begin
   process(clk)
   begin
      if clk'event and clk ='1' then
         if(counter<="110001") then
            counter<="000000";
         else
            counter<=counter+'1';
         end if;
   end if;
   end process;
   divclk<=counter(5);
end Behavioral;