lfsr_generic_test.vhd

来自「detals about linear feedback shift regis」· VHDL 代码 · 共 52 行

-- EE 552 Student Application Note
--
-- Autononmous Linear Feedback Shift Register 
-- Instantiation Example with Test Results

library IEEE;
use IEEE.STD_Logic_1164.all;

library work;
use work.LFSR_pkg.all;

entity LFSR_generic_test is

	port 	(	clock, resetn: std_logic;
				load1: in std_logic;
				seed1: in std_logic_vector(3 downto 0);		
		 		parallel_out1: out std_logic_vector(3 downto 0);
				serial_out1: out std_logic;
				load2: in std_logic;
				seed2: in std_logic_vector(9 downto 0);
				parallel_out2: out std_logic_vector(9 downto 0);
				serial_out2: out std_logic
			);

end entity LFSR_generic_test;

architecture test of LFSR_generic_test is

begin

	-- instantiate a 4 bit LFSR
	LFSR1: LFSR_GENERIC generic map (	Width => 4	)
						port map	(	clock => clock,
										resetn => resetn,
										load => load1,
										seed => seed1,		 		
										parallel_out => parallel_out1,				
										serial_out => serial_out1
									);

	-- instantiate a 10 bit LFSR
	LFSR2: LFSR_GENERIC generic map (	Width => 10	)
						port map	(	clock => clock,
										resetn => resetn,
										load => load2,
										seed => seed2,		 		
										parallel_out => parallel_out2,				
										serial_out => serial_out2
									);

end test;