mem_interface_top_ram_d_0.vhd

DDR控制器 已通过FPGA 验证 大家不要错过哦

-------------------------------------------------------------------------------
-- Copyright (c) 2005 Xilinx, Inc.
-- This design is confidential and proprietary of Xilinx, All Rights Reserved.
-------------------------------------------------------------------------------
--   ____  ____
--  /   /\/   /
-- /___/  \  / Vendor: Xilinx
-- \   \   \/ Version: 1.6
--  \   \ Application : MIG
--  /   / Filename: mem_interface_top_RAM_D_0.vhd
-- /___/   /\ Date Last Modified:  Wed Jun 1 2005
-- \   \  /  \Date Created: Mon May 2 2005
--  \___\/\___\
-- Device: Virtex-4
-- Design Name: DDR1_SDRAM
-- Description: Contains the distributed RAM which stores IOB output data that is
--		read from the memory.
-------------------------------------------------------------------------------

library ieee;
use ieee.std_logic_1164.all;
library UNISIM;
use UNISIM.vcomponents.all;
use work.mem_interface_top_parameters_0.all;

entity mem_interface_top_RAM_D_0 is
	port( DPO	: out std_logic_vector(memory_width-1 downto 0); 
	      A0   	: in std_logic;
	      A1   	: in std_logic;
	      A2   	: in std_logic;
	      A3   	: in std_logic;
	      D    	: in std_logic_vector(memory_width-1 downto 0);
	      DPRA0	: in std_logic;
	      DPRA1	: in std_logic;
	      DPRA2	: in std_logic;
	      DPRA3	: in std_logic;
	      WCLK 	: in std_logic;
	      WE	: in std_logic
	    );
end mem_interface_top_RAM_D_0;

architecture arch of mem_interface_top_RAM_D_0 is

component RAM16X1D
	port( DPO	: out std_logic;  
	      SPO	: out std_logic;
	      A0   	: in std_logic;                                     
	      A1   	: in std_logic;                                     
	      A2   	: in std_logic;                                     
	      A3   	: in std_logic;                                     
	      D    	: in std_logic;     
	      DPRA0	: in std_logic;                                     
	      DPRA1	: in std_logic;                                     
	      DPRA2	: in std_logic;                                     
	      DPRA3	: in std_logic;                                     
	      WCLK 	: in std_logic;                                     
	      WE	: in std_logic
	    );
end component;

begin


RAM16X1D0: RAM16X1D port map
	    ( DPO	=> DPO(0),
	      SPO	=> open,
	      A0   	=> A0,
	      A1   	=> A1,
	      A2   	=> A2,
	      A3   	=> A3,
	      D    	=> D(0),
	      DPRA0	=> DPRA0,
	      DPRA1	=> DPRA1,
	      DPRA2	=> DPRA2,
	      DPRA3	=> DPRA3,
	      WCLK 	=> WCLK,
	      WE	=> WE
	    ); 



RAM16X1D1: RAM16X1D port map
	    ( DPO	=> DPO(1),
	      SPO	=> open,
	      A0   	=> A0,
	      A1   	=> A1,
	      A2   	=> A2,
	      A3   	=> A3,
	      D    	=> D(1),
	      DPRA0	=> DPRA0,
	      DPRA1	=> DPRA1,
	      DPRA2	=> DPRA2,
	      DPRA3	=> DPRA3,
	      WCLK 	=> WCLK,
	      WE	=> WE
	    ); 



RAM16X1D2: RAM16X1D port map
	    ( DPO	=> DPO(2),
	      SPO	=> open,
	      A0   	=> A0,
	      A1   	=> A1,
	      A2   	=> A2,
	      A3   	=> A3,
	      D    	=> D(2),
	      DPRA0	=> DPRA0,
	      DPRA1	=> DPRA1,
	      DPRA2	=> DPRA2,
	      DPRA3	=> DPRA3,
	      WCLK 	=> WCLK,
	      WE	=> WE
	    ); 



RAM16X1D3: RAM16X1D port map
	    ( DPO	=> DPO(3),
	      SPO	=> open,
	      A0   	=> A0,
	      A1   	=> A1,
	      A2   	=> A2,
	      A3   	=> A3,
	      D    	=> D(3),
	      DPRA0	=> DPRA0,
	      DPRA1	=> DPRA1,
	      DPRA2	=> DPRA2,
	      DPRA3	=> DPRA3,
	      WCLK 	=> WCLK,
	      WE	=> WE
	    ); 



RAM16X1D4: RAM16X1D port map
	    ( DPO	=> DPO(4),
	      SPO	=> open,
	      A0   	=> A0,
	      A1   	=> A1,
	      A2   	=> A2,
	      A3   	=> A3,
	      D    	=> D(4),
	      DPRA0	=> DPRA0,
	      DPRA1	=> DPRA1,
	      DPRA2	=> DPRA2,
	      DPRA3	=> DPRA3,
	      WCLK 	=> WCLK,
	      WE	=> WE
	    ); 



RAM16X1D5: RAM16X1D port map
	    ( DPO	=> DPO(5),
	      SPO	=> open,
	      A0   	=> A0,
	      A1   	=> A1,
	      A2   	=> A2,
	      A3   	=> A3,
	      D    	=> D(5),
	      DPRA0	=> DPRA0,
	      DPRA1	=> DPRA1,
	      DPRA2	=> DPRA2,
	      DPRA3	=> DPRA3,
	      WCLK 	=> WCLK,
	      WE	=> WE
	    ); 



RAM16X1D6: RAM16X1D port map
	    ( DPO	=> DPO(6),
	      SPO	=> open,
	      A0   	=> A0,
	      A1   	=> A1,
	      A2   	=> A2,
	      A3   	=> A3,
	      D    	=> D(6),
	      DPRA0	=> DPRA0,
	      DPRA1	=> DPRA1,
	      DPRA2	=> DPRA2,
	      DPRA3	=> DPRA3,
	      WCLK 	=> WCLK,
	      WE	=> WE
	    ); 



RAM16X1D7: RAM16X1D port map
	    ( DPO	=> DPO(7),
	      SPO	=> open,
	      A0   	=> A0,
	      A1   	=> A1,
	      A2   	=> A2,
	      A3   	=> A3,
	      D    	=> D(7),
	      DPRA0	=> DPRA0,
	      DPRA1	=> DPRA1,
	      DPRA2	=> DPRA2,
	      DPRA3	=> DPRA3,
	      WCLK 	=> WCLK,
	      WE	=> WE
	    ); 



end arch;