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[/] [adaptive_lms_equalizer/] [trunk/] [code/] [shift_15d.vhd] - Rev 6
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-- Copyright (C) 2004-2005 Digish Pandya <digish.pandya@gmail.com> -- This program is free software; you can redistribute it and/or modify -- it under the terms of the GNU General Public License as published by -- the Free Software Foundation; either version 2 of the License, or -- (at your option) any later version. -- -- This program is distributed in the hope that it will be useful, -- but WITHOUT ANY WARRANTY; without even the implied warranty of -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -- GNU General Public License for more details. -- -- You should have received a copy of the GNU General Public License -- along with this program; if not, write to the Free Software -- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. -- producing delay of 20 unit library IEEE; use IEEE.STD_LOGIC_1164.ALL; use IEEE.STD_LOGIC_ARITH.ALL; use IEEE.STD_LOGIC_UNSIGNED.ALL; entity shift_20d is Port ( xin : in std_logic_vector(7 downto 0); xout : out std_logic_vector(7 downto 0); clock : in std_logic); end shift_20d; architecture Behavioral of shift_20d is signal shift_reg: std_logic_vector (159 downto 0); --signal shift_reg: std_logic_vector (119 downto 0); begin shift: process(clock) begin if(clock'event and clock = '1') then shift_reg <= xin & shift_reg(159 downto 8); end if; end process; xout <= shift_reg(7 downto 0); end Behavioral;
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