mux8_2.vhd

CPLDFPGA嵌入式应用开发技术白金手册所配套源代码

library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_unsigned.all;

entity mux8_2 is
generic(n:integer:=24);	
port(
	sel:in bit;
	A,B:in std_logic_vector(7 downto 0);
	Y:out std_logic_vector(7 downto 0));
end mux8_2;
architecture behave of mux8_2 is
	signal data:std_logic_vector(7 downto 0);
	begin
		with sel select
		     data<=A when '1',
		     	   B when '0';
		Y<=data;
	end behave;