e10281_ph.vhd

来自「TCM解码」· VHDL 代码 · 共 48 行

---------------------------------------------------------------------------
-- This VHDL file is generated by EASE/VHDL from TRANSLOGIC BV,
-- the 'Entity Architecture Schematics Editor for VHDL' tool.
--
---------------------------------------------------------------------------

---------------------------------------------------------------------------
-- Entity declaration of 'd10281_ph'.
---------------------------------------------------------------------------
-- Drawing number       : D10281
-- Drawing description  : Viterbi decoder core
-- 
-- -------------------------------------------------------------
-- This ENTITY is automatically generated by EASE - do not edit.
-- -------------------------------------------------------------

LIBRARY ieee, work ;
USE ieee.std_logic_1164.all ;
USE ieee.std_logic_arith.all ;
USE work.pfec.ALL ;
USE work.d10281_pack.ALL ;


ENTITY d10281_ph IS
  PORT(
    reset_n        : IN     std_logic ;
    clk_out        : IN     std_logic ;
    decision       : IN     decision_vector_type ;
    out_y          : IN     std_logic_vector( trellis_width-1 DOWNTO 0 );
    dout           : OUT    std_logic_vector( 1 DOWNTO 0 ) ;
    dovalid        : OUT    std_logic ;
    trellis_index  : OUT    std_logic_vector( 3 DOWNTO 0 );
    clk_out_enable : IN     std_logic ;
    trellis_sel    : IN     std_logic_vector( 3 DOWNTO 0 );
    trellis_count  : IN     std_logic_vector( 3 DOWNTO 0 );
    mem_dout       : OUT    std_logic_vector( 2*trellis_width-1 DOWNTO 0 );
    mem1_we_n      : OUT    std_logic ;
    mem1_din       : IN     std_logic_vector( 2*trellis_width-1 DOWNTO 0 );
    mem_cs_n       : OUT    std_logic ;
    mem1_a         : OUT    std_logic_vector( traceback_addr_width+4-1 DOWNTO 0 ) ;
    mem2_a         : OUT    std_logic_vector( traceback_addr_width+4-1 DOWNTO 0 ) ;
    mem2_we_n      : OUT    std_logic ;
    mem2_din       : IN     std_logic_vector( 2*trellis_width-1 DOWNTO 0 );
    viterbi_init   : IN     std_logic 
     ) ;
END  d10281_ph ;