--------------------------------------------------------------------------------
-- Copyright (c) 1995-2003 Xilinx, Inc.
-- All Right Reserved.
--------------------------------------------------------------------------------
--   ____  ____ 
--  /   /\/   / 
-- /___/  \  /    Vendor: Xilinx 
-- \   \   \/     Version : 6.3.02i
--  \   \         Application : 
--  /   /         Filename : fpga_dcm.vhd
-- /___/   /\     Timestamp : 07/08/2005 13:32:22
-- \   \  /  \ 
--  \___\/\___\ 
--
--Command: 
--Design Name: fpga_dcm
--
-- Module fpga_dcm
-- Generated by Xilinx Architecture Wizard
-- Written for synthesis tool: XST

library ieee;
use ieee.std_logic_1164.ALL;
use ieee.numeric_std.ALL;
-- synopsys translate_off
library UNISIM;
use UNISIM.Vcomponents.ALL;
-- synopsys translate_on

entity fpga_dcm is
   port ( CLKIN_IN        : in    std_logic; 
          RST_IN          : in    std_logic; 
          CLKIN_IBUFG_OUT : out   std_logic; 
          CLK0_OUT        : out   std_logic; 
          CLK90_OUT       : out   std_logic; 
          LOCKED_OUT      : out   std_logic);
end fpga_dcm;

architecture BEHAVIORAL of fpga_dcm is
   signal CLKFB_IN        : std_logic;
   signal CLKIN_IBUFG     : std_logic;
   signal CLK0_BUF        : std_logic;
   signal INPUT_GLOBAL    : std_logic;
   signal CLK90_BUF       : std_logic;
   signal GND             : std_logic;

   component IBUFG
      port ( I : in    std_logic; 
             O : out   std_logic);
   end component;
   
   component BUFG
      port ( I : in    std_logic; 
             O : out   std_logic);
   end component;
   
   component DCM
      generic( CLK_FEEDBACK : string :=  "1X";
               CLKDV_DIVIDE : real :=  2.000000;
               CLKFX_DIVIDE : integer :=  1;
               CLKFX_MULTIPLY : integer :=  4;
               CLKIN_DIVIDE_BY_2 : boolean :=  FALSE;
               CLKIN_PERIOD : real :=  0.000000;
               CLKOUT_PHASE_SHIFT : string :=  "NONE";
               DESKEW_ADJUST : string :=  "SYSTEM_SYNCHRONOUS";
               DFS_FREQUENCY_MODE : string :=  "LOW";
               DLL_FREQUENCY_MODE : string :=  "LOW";
               DUTY_CYCLE_CORRECTION : boolean :=  TRUE;
               FACTORY_JF : bit_vector :=  x"C080";
               PHASE_SHIFT : integer :=  0;
               STARTUP_WAIT : boolean :=  FALSE;
               DSS_MODE : string :=  "NONE";
               MAXPERCLKIN : time :=  1000000 ps;
               MAXPERPSCLK : time :=  100000000 ps;
               SIM_CLKIN_CYCLE_JITTER : time :=  300 ps;
               SIM_CLKIN_PERIOD_JITTER : time :=  1000 ps);
      port ( CLKIN    : in    std_logic; 
             CLKFB    : in    std_logic; 
             RST      : in    std_logic; 
             PSEN     : in    std_logic; 
             PSINCDEC : in    std_logic; 
             PSCLK    : in    std_logic; 
             DSSEN    : in    std_logic; 
             CLK0     : out   std_logic; 
             CLK90    : out   std_logic; 
             CLK180   : out   std_logic; 
             CLK270   : out   std_logic; 
             CLKDV    : out   std_logic; 
             CLK2X    : out   std_logic; 
             CLK2X180 : out   std_logic; 
             CLKFX    : out   std_logic; 
             CLKFX180 : out   std_logic; 
             STATUS   : out   std_logic_vector (7 downto 0); 
             LOCKED   : out   std_logic; 
             PSDONE   : out   std_logic);
   end component;
   
begin
   GND <= '0';
   CLKIN_IBUFG_OUT <= INPUT_GLOBAL;
   CLK0_OUT <= CLKFB_IN;

   CLKIN_IBUFG_INST : IBUFG
      port map (I=>CLKIN_IN,      
                O=>CLKIN_IBUFG);
   
   CLK0_BUFG_INST : BUFG
      port map (I=>CLK0_BUF,      
                O=>CLKFB_IN);

   CLK90_BUFG_INST : BUFG
      port map (I=>CLK90_BUF,      
                O=>CLK90_OUT);

   CLKIN_BUFG_INST : BUFG
      port map (I=>CLKIN_IBUFG,      
                O=>INPUT_GLOBAL);


   
   DCM_INST : DCM
   generic map( CLK_FEEDBACK => "1X",
            CLKDV_DIVIDE => 2.000000,
            CLKFX_DIVIDE => 1,
            CLKFX_MULTIPLY => 4,
            CLKIN_DIVIDE_BY_2 => FALSE,
            CLKIN_PERIOD => 10.000000,
            CLKOUT_PHASE_SHIFT => "NONE",
            DESKEW_ADJUST => "SYSTEM_SYNCHRONOUS",
            DFS_FREQUENCY_MODE => "LOW",
            DLL_FREQUENCY_MODE => "LOW",
            DUTY_CYCLE_CORRECTION => TRUE,
            FACTORY_JF => x"C080",
            PHASE_SHIFT => 0,
            STARTUP_WAIT => FALSE)
      port map (CLKFB=>CLKFB_IN,      
                CLKIN=>INPUT_GLOBAL,      
                DSSEN=>GND,      
                PSCLK=>GND,      
                PSEN=>GND,      
                PSINCDEC=>GND,      
                RST=>RST_IN,      
                CLKDV=>open,      
                CLKFX=>open,      
                CLKFX180=>open,      
                CLK0=>CLK0_BUF,      
                CLK2X=>open,      
                CLK2X180=>open,      
                CLK90=>CLK90_BUF,      
                CLK180=>open,      
                CLK270=>open,      
                LOCKED=>LOCKED_OUT,      
                PSDONE=>open,      
                STATUS=>open);
   
end BEHAVIORAL;