Warp-LC/fpga/ipcore_dir/L2WayRAM/example_design/L2WayRAM_exdes.vhd

 
 
 




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--
-- BLK MEM GEN v7.1 Core - Top-level core wrapper
--
--------------------------------------------------------------------------------
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--
-- Filename: L2WayRAM_exdes.vhd
--
-- Description:
--   This is the actual BMG core wrapper.
--
--------------------------------------------------------------------------------
-- Author: IP Solutions Division
--
-- History: August 31, 2005 - First Release
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--
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-- Library Declarations
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LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL;
USE IEEE.STD_LOGIC_ARITH.ALL;
USE IEEE.STD_LOGIC_UNSIGNED.ALL;

LIBRARY UNISIM;
USE UNISIM.VCOMPONENTS.ALL;

--------------------------------------------------------------------------------
-- Entity Declaration
--------------------------------------------------------------------------------
ENTITY L2WayRAM_exdes IS
  PORT (
      --Inputs - Port A
    ENA            : IN STD_LOGIC;  --opt port
  
    WEA            : IN STD_LOGIC_VECTOR(0 DOWNTO 0);
    ADDRA          : IN STD_LOGIC_VECTOR(9 DOWNTO 0);
  
    DINA           : IN STD_LOGIC_VECTOR(46 DOWNTO 0);
  
    DOUTA          : OUT STD_LOGIC_VECTOR(46 DOWNTO 0);
  
    CLKA       : IN STD_LOGIC;

  
      --Inputs - Port B
    ENB            : IN STD_LOGIC;  --opt port
  
    WEB            : IN STD_LOGIC_VECTOR(0 DOWNTO 0);
    ADDRB          : IN STD_LOGIC_VECTOR(9 DOWNTO 0);
  
    DINB           : IN STD_LOGIC_VECTOR(46 DOWNTO 0);
    DOUTB          : OUT STD_LOGIC_VECTOR(46 DOWNTO 0);
    CLKB           : IN STD_LOGIC

  );

END L2WayRAM_exdes;


ARCHITECTURE xilinx OF L2WayRAM_exdes IS

  COMPONENT BUFG IS
  PORT (
     I      : IN STD_ULOGIC;
     O      : OUT STD_ULOGIC
  );
  END COMPONENT;

  COMPONENT L2WayRAM IS
  PORT (
      --Port A
    ENA        : IN STD_LOGIC;  --opt port
  
    WEA        : IN STD_LOGIC_VECTOR(0 DOWNTO 0);
    ADDRA      : IN STD_LOGIC_VECTOR(9 DOWNTO 0);
  
    DINA       : IN STD_LOGIC_VECTOR(46 DOWNTO 0);
  
    DOUTA      : OUT STD_LOGIC_VECTOR(46 DOWNTO 0);

  
    CLKA       : IN STD_LOGIC;

  
      --Port B
    ENB        : IN STD_LOGIC;  --opt port
  
    WEB        : IN STD_LOGIC_VECTOR(0 DOWNTO 0);
    ADDRB      : IN STD_LOGIC_VECTOR(9 DOWNTO 0);
  
    DINB       : IN STD_LOGIC_VECTOR(46 DOWNTO 0);
    DOUTB      : OUT STD_LOGIC_VECTOR(46 DOWNTO 0);
    CLKB       : IN STD_LOGIC


  );
  END COMPONENT;

  SIGNAL CLKA_buf     : STD_LOGIC;
  SIGNAL CLKB_buf     : STD_LOGIC;
  SIGNAL S_ACLK_buf   : STD_LOGIC;

BEGIN

  bufg_A : BUFG
    PORT MAP (
     I => CLKA,
     O => CLKA_buf
     );

  bufg_B : BUFG
    PORT MAP (
     I => CLKB,
     O => CLKB_buf
     );


  bmg0 : L2WayRAM
    PORT MAP (
      --Port A
      ENA        => ENA,
  
      WEA        => WEA,
      ADDRA      => ADDRA,
  
      DINA       => DINA,
  
      DOUTA      => DOUTA,

      CLKA       => CLKA_buf,

  
      --Port B
      ENB        => ENB, 
  
      WEB        => WEB,
      ADDRB      => ADDRB,
  
      DINB       => DINB,
      DOUTB      => DOUTB,
      CLKB       => CLKB_buf

    );

END xilinx;