led.vhd

用VHDL语言实现的八个开关控制八个LED灯的亮灭

LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL;
ENTITY LED IS
  PORT(
       DATA:IN STD_LOGIC_VECTOR(7 DOWNTO 0);
       LIANG:OUT STD_LOGIC_VECTOR(7 DOWNTO 0)
       );
END ENTITY LED;
ARCHITECTURE LED1 OF LED IS
   BEGIN 
        LIANG<=DATA;
END ARCHITECTURE LED1;