dff.vhd

来自「用于视频运动图像编码的HUFFMAN编码」· VHDL 代码 · 共 21 行

---------      电子系                 学号：J02301                姓名：张宗旺----

library ieee;
use ieee.std_logic_1164.all;
entity D_FF is
	port	(CLK,RST,SET,D:in std_logic;
		Q:out std_logic);
end D_FF;
architecture ALG of D_FF is
begin 
	process	(RST,SET,CLK)
	begin
		if RST ='0' then 
			Q<='0';
		elsif SET ='0' then
			Q<='1';
		elsif CLK'event and CLK='1' then
			Q<=D ;
		end if;
	end process;
end ALG;