?? count64.vhd
字號:
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.STD_LOGIC_ARITH.ALL;
use IEEE.STD_LOGIC_UNSIGNED.ALL;
entity count64 is
Port ( sysclk : in std_logic;
reset : in std_logic;
clkout : out std_logic);
end count64;
architecture Behavioral of count64 is
signal count : std_logic_vector(6 downto 0);
begin
process (reset,sysclk)
begin
if (reset='0') then
count <= (others=>'0');
elsif (sysclk'event and sysclk='1') then
count <= count+'1';
end if;
end process;
clkout <= count(6);
end Behavioral;
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