普通触发器

LIBRARY IEEE;

USE IEEE.STD_LOGIC_1164.ALL;

ENTITY Dchu IS

PORT (CLK,D:IN STD_LOGIC;

Q:OUT STD_LOGIC);

END;

ARCHITECTURE FFQ OF Dchu IS

SIGNAL Q1:STD_LOGIC;

BEGIN PROCESS (CLK,Q1)

BEGIN

IF CLK"EVENT AND CLK="1"

THEN Q1<=D; END IF;

END PROCESS;

Q<=Q1; END FFQ;