sha1_dff.vhd

本算法基于leon2协处理器接口标准

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--
-- Fri Jan  4 15:12:08 2008
--
--      Design name        : sha1
--      Author             : nhm
--      Company            : asic
--
--      Description        : 
--
--
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LIBRARY IEEE;
USE IEEE.std_logic_1164.all;

  ENTITY sha1_dff IS
	  port (
		  CLK      : in std_logic;
		  DATA_I   : in std_logic;
		  DATA_O   : out std_logic
	   );
  END ENTITY;



 ARCHITECTURE dff_arch OF sha1_dff IS

    SIGNAL TEMP_DATA_OUT: std_logic;
 
 BEGIN
 
 PROCESS(CLK)
	BEGIN

		IF (CLK'event AND CLK = '1') THEN
      	TEMP_DATA_OUT <= DATA_I;
      	
		END IF;
		
	END PROCESS;

	DATA_O <= TEMP_DATA_OUT;

END ARCHITECTURE;