dem2_com.vhd

VHDL子程序集,包括各种例程资料以及源码.

--*******************************
--*    Component Of COMPON_2    *
--*    1 To 2 Demultiplexer     *
--*    Filename : DEM2_COM      *
--*******************************

library IEEE;
use IEEE.std_logic_1164.all;

entity DEM2_COM is
    port (
          DIN: in STD_LOGIC;
          S:   in STD_LOGIC;
          Y:   out STD_LOGIC_VECTOR (0 to 1)
         );
end DEM2_COM;

architecture DEM2_COM_arch of DEM2_COM is

begin
    Y(0) <= DIN when S = '0' else '1';
    Y(1) <= DIN when S = '1' else '1' ;
end DEM2_COM_arch;