decoder3to8.vhd

简单的38译码器,语句较为简捷明了.供大家参考学习.

LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL;
USE IEEE.STD_LOGIC_UNSIGNED.ALL;
ENTITY decoder3to8 IS
	PORT (input:IN STD_LOGIC_VECTOR(2 DOWNTO 0);
			output:OUT bit_VECTOR(7 DOWNTO 0));
END decoder3to8;
ARCHITECTURE behav OF decoder3to8 IS 
BEGIN
	output <= "00000001" sll conv_integer(input);
		
	END behav;