Subversion Repositories t48

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--
-- The T8243 asynchronous toplevel without tri-state signals
--
-- $Id: t8243_async_notri.vhd,v 1.1 2006-07-13 22:53:56 arniml Exp $
-- $Name: not supported by cvs2svn $
--
-- Copyright (c) 2006, Arnim Laeuger (arniml@opencores.org)
--
-- All rights reserved
--
-- Redistribution and use in source and synthezised forms, with or without
-- modification, are permitted provided that the following conditions are met:
--
-- Redistributions of source code must retain the above copyright notice,
-- this list of conditions and the following disclaimer.
--
-- Redistributions in synthesized form must reproduce the above copyright
-- notice, this list of conditions and the following disclaimer in the
-- documentation and/or other materials provided with the distribution.
--
-- Neither the name of the author nor the names of other contributors may
-- be used to endorse or promote products derived from this software without
-- specific prior written permission.
--
-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-- AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
-- THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
-- PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE
-- LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-- CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-- SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-- INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-- CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-- ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-- POSSIBILITY OF SUCH DAMAGE.
--
-- Please report bugs to the author, but before you do so, please
-- make sure that this is not a derivative work and that
-- you have the latest version of this file.
--
-- The latest version of this file can be found at:
--      http://www.opencores.org/cvsweb.shtml/t48/
--
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library ieee;
use ieee.std_logic_1164.all;
 
entity t8243_async_notri is
 
  port (
    -- System Interface -------------------------------------------------------
    reset_n_i : in  std_logic;
    -- Control Interface ------------------------------------------------------
    cs_n_i    : in  std_logic;
    prog_n_i  : in  std_logic;
    -- Port 2 Interface -------------------------------------------------------
    p2_i      : in  std_logic_vector(3 downto 0);
    p2_o      : out std_logic_vector(3 downto 0);
    p2_en_o   : out std_logic;
    -- Port 4 Interface -------------------------------------------------------
    p4_i      : in  std_logic_vector(3 downto 0);
    p4_o      : out std_logic_vector(3 downto 0);
    p4_en_o   : out std_logic;
    -- Port 5 Interface -------------------------------------------------------
    p5_i      : in  std_logic_vector(3 downto 0);
    p5_o      : out std_logic_vector(3 downto 0);
    p5_en_o   : out std_logic;
    -- Port 6 Interface -------------------------------------------------------
    p6_i      : in  std_logic_vector(3 downto 0);
    p6_o      : out std_logic_vector(3 downto 0);
    p6_en_o   : out std_logic;
    -- Port 7 Interface -------------------------------------------------------
    p7_i      : in  std_logic_vector(3 downto 0);
    p7_o      : out std_logic_vector(3 downto 0);
    p7_en_o   : out std_logic
  );
 
end t8243_async_notri;
 
 
use work.t8243_comp_pack.t8243_core;
 
architecture struct of t8243_async_notri is
 
  signal vdd_s : std_logic;
 
begin
 
  vdd_s <= '1';
 
 
  -----------------------------------------------------------------------------
  -- The T8243 Core
  -----------------------------------------------------------------------------
  t8243_core_b : t8243_core
    generic map (
      clk_fall_level_g => 0
    )
    port map (
      clk_i         => prog_n_i,
      clk_rise_en_i => vdd_s,
      clk_fall_en_i => vdd_s,
      reset_n_i     => reset_n_i,
      cs_n_i        => cs_n_i,
      prog_n_i      => prog_n_i,
      p2_i          => p2_i,
      p2_o          => p2_o,
      p2_en_o       => p2_en_o,
      p4_i          => p4_i,
      p4_o          => p4_o,
      p4_en_o       => p4_en_o,
      p5_i          => p5_i,
      p5_o          => p5_o,
      p5_en_o       => p5_en_o,
      p6_i          => p6_i,
      p6_o          => p6_o,
      p6_en_o       => p6_en_o,
      p7_i          => p7_i,
      p7_o          => p7_o,
      p7_en_o       => p7_en_o
    );
 
end struct;
 
 
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