usb_new_vsc9_ram_xor_pkg.vhd

来自「usb rtl code, to fpga or asic」· VHDL 代码 · 共 62 行

-- HDLi Version 5.0 IP Bundle 2000.12.15
-- Top HDL file name is usb_new.vhd
-- -----------------------------------------------------------------------------
--                          Royal Philips Electronics
-- -----------------------------------------------------------------------------
-- Copyright 2001 by Royal Philips Electronics All rights reserved.
-- 
-- This module is property of Royal Philips Electronics (Philips) and its use
-- is granted to the customer for the sole purpose of implementing in silicon
-- provided by Philips.   This module may only be used in accordance with the
-- provisions of the HDLi License Agreement.
-- 
-- -----------------------------------------------------------------------------
--                           USBFS22 Device Version 1.0
-- -----------------------------------------------------------------------------
-- usb_new/data/USBFS22/RTL/usb_new_vsc9_ram_xor_pkg.vhd : RTL VHDL
--
-- Compiled by arkrish on Tue Apr  3 17:23:42 2001
-- -----------------------------------------------------------------------------
-- HDLi Version 5.0 IP Bundle 2000.12.15
-- Top HDL file name is vsc9_ram.vhd
-- -----------------------------------------------------------------------------
--                          Royal Philips Electronics
-- -----------------------------------------------------------------------------
-- Copyright 2001 by Royal Philips Electronics All rights reserved.
-- 
-- This module is property of Royal Philips Electronics (Philips) and its use
-- is granted to the customer for the sole purpose of implementing in silicon
-- provided by Philips.   This module may only be used in accordance with the
-- provisions of the HDLi License Agreement.
-- 
-- -----------------------------------------------------------------------------
--                         BIST SRAM Template Version 2.4
-- -----------------------------------------------------------------------------
-- vsc9_ram_xor_pkg.vhd : RTL VHDL
--
-- Compiled by arkrish on Tue Apr  3 11:53:35 2001
-- -----------------------------------------------------------------------------

library IEEE;
use IEEE.STD_LOGIC_1164.ALL;

package vsc9_ram_xor_pkg is

    function vsc9_ram_Reduce_Xor (INPUT: Std_Logic_Vector) return Std_Logic;

end vsc9_ram_xor_pkg;

package body vsc9_ram_xor_pkg is

    function vsc9_ram_Reduce_Xor (INPUT: Std_Logic_Vector) return Std_Logic is
        variable RESULT : Std_Logic;
    begin
      RESULT := '0';
      for j in INPUT'range loop
        RESULT := INPUT(j) xor RESULT;
      end loop;
      return RESULT;
    end;

end vsc9_ram_xor_pkg;