kdf.vhd

Fire&password数字系统实验

--D trigger description

library ieee;
use ieee.std_logic_1164.all;

entity kdf is
       port(A,B  : in std_logic;
            C,D  : out std_logic);
end kdf;

architecture kdf_arc of kdf is
begin
    process(B)
      begin
           if(B 'event and B = '1') then
               C <= A;
               D <= not A;
           end if;
       end process;
end kdf_arc;