VHDL kerdes

[Moczik Gabor]

Hali!

Most ismerkedek a dologgal. A 'LED <=' sorban miert nem mukodik siman 
cnt(20)-al?
Az a legnagyobb helyierteku bit, nem?
Probaltam cnt(0)-val is, ugy se.

entity xv is
    Port (  LED : out std_logic;
            btn : in std_logic;
            clk : in std_logic
         );
end xv;

architecture behavioral of xv is
	signal cnt : std_logic_vector(20 downto 0);

begin
   process(clk)
   begin
     if clk'event and clk='1' then
          cnt <= cnt + 1;
     end if;
   end process;

   LED <= cnt(20) and cnt(0);

end behavioral;


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