SVN Repository / Prohlížení

sirc_entity.vhd

   1  -- sirc_entity.vhd: Sony SIRC code  entity
   2  -- Copyright (C) 2009 Brno University of Technology,
   3  --                    Faculty of Information Technology
   4  -- Author(s): Michal RĹŻĹľek <xruzek01 AT stud.fit.vutbr.cz>
   5  --
   6  -- LICENSE TERMS
   7  --
   8  -- Redistribution and use in source and binary forms, with or without
   9  -- modification, are permitted provided that the following conditions
  10  -- are met:
  11  -- 1. Redistributions of source code must retain the above copyright
  12  --    notice, this list of conditions and the following disclaimer.
  13  -- 2. Redistributions in binary form must reproduce the above copyright
  14  --    notice, this list of conditions and the following disclaimer in
  15  --    the documentation and/or other materials provided with the
  16  --    distribution.
  17  -- 3. All advertising materials mentioning features or use of this software
  18  --    or firmware must display the following acknowledgement:
  19  --
  20  --      This product includes software developed by the University of
  21  --      Technology, Faculty of Information Technology, Brno and its
  22  --      contributors.
  23  --
  24  -- 4. Neither the name of the Company nor the names of its contributors
  25  --    may be used to endorse or promote products derived from this
  26  --    software without specific prior written permission.
  27  --
  28  -- This software or firmware is provided ``as is'', and any express or implied
  29  -- warranties, including, but not limited to, the implied warranties of
  30  -- merchantability and fitness for a particular purpose are disclaimed.
  31  -- In no event shall the company or contributors be liable for any
  32  -- direct, indirect, incidental, special, exemplary, or consequential
  33  -- damages (including, but not limited to, procurement of substitute
  34  -- goods or services; loss of use, data, or profits; or business
  35  -- interruption) however caused and on any theory of liability, whether
  36  -- in contract, strict liability, or tort (including negligence or
  37  -- otherwise) arising in any way out of the use of this software, even
  38  -- if advised of the possibility of such damage.
  39  --
  40  -- $Id$
  41  --
  42  --
  43  library IEEE;
  44  use IEEE.STD_LOGIC_1164.ALL;
  45  use IEEE.STD_LOGIC_ARITH.ALL;
  46  use IEEE.STD_LOGIC_UNSIGNED.ALL;
  47  
  48  entity ir_SIRC is
  49     port (
  50        -- Reset a synchronizace
  51        RST     : in   std_logic;
  52        CLK     : in   std_logic;
  53  
  54        -- V/V signaly z IR modulu
  55        IR_IN : in  std_logic;
  56        IR_OUT : out std_logic;
  57  
  58        -- Vstup do dekoderu SIRC
  59        DATA_IN : in std_logic_vector(23 downto 0);
  60        WRITE_12_EN : in std_logic;
  61        WRITE_15_EN : in std_logic;
  62        WRITE_20_EN : in std_logic;
  63        BUSY : out std_logic;
  64  
  65        -- Vystup z dekoderu SIRC
  66        DATA_OUT : out  std_logic_vector(23 downto 0);
  67        DATA_12_VLD : out  std_logic ;
  68        DATA_15_VLD : out  std_logic;
  69        DATA_20_VLD : out  std_logic
  70     );
  71  end ir_SIRC;
  72