kcoun101.vhd

Fire&password数字系统实验

library ieee;
use ieee.std_logic_1164.all;

entity kcoun101 is
       port (A  : in std_logic;
             B  : out std_logic);
end kcoun101;

architecture kcoun101_arc of kcoun101 is
    component kcoun10
         port(A  : in std_logic;
              B  : out std_logic);
    end component;
    signal tmp1,tmp2 : std_logic;

begin
    U0: kcoun10 port map(A,tmp1);
    U1: kcoun10 port map(tmp1,tmp2);
    U2: kcoun10 port map(tmp2,B);
end kcoun101_arc;