--
-- Copyright (C) 1988-2004 Altera Corporation
--
-- Any megafunction design, and related net list (encrypted or decrypted),
-- support information, device programming or simulation file, and any
-- other associated documentation or information provided by Altera or a
-- partner under Altera's Megafunction Partnership Program may be used only
-- to program PLD devices (but not masked PLD devices) from Altera.  Any
-- other use of such megafunction design, net list, support information,
-- device programming or simulation file, or any other related
-- documentation or information is prohibited for any other purpose,
-- including, but not limited to modification, reverse engineering, de-
-- compiling, or use with any other silicon devices, unless such use is
-- explicitly licensed under a separate agreement with Altera or a
-- megafunction partner.  Title to the intellectual property, including
-- patents, copyrights, trademarks, trade secrets, or maskworks, embodied
-- in any such megafunction design, net list, support information, device
-- programming or simulation file, or any other related documentation or
-- information provided by Altera or a megafunction partner, remains with
-- Altera, the megafunction partner, or their respective licensors.  No
-- other licenses, including any licenses needed under any third party's
-- intellectual property, are provided herein.
----------------------------------------------------------------------------
-- ALtera Megafunction Component Declaration File
----------------------------------------------------------------------------

library ieee;
use ieee.std_logic_1164.all;

package altera_mf_components is
type altera_mf_logic_2D is array (NATURAL RANGE <>, NATURAL RANGE <>) of STD_LOGIC;
component altcam
   generic
      ( width:            natural := 1;
        widthad:          natural := 1;
        numwords:         natural := 1;
        lpm_file:         string := "UNUSED";
        lpm_filex:        string := "UNUSED";
        match_mode:       string := "MULTIPLE";
        output_reg:       string := "UNREGISTERED";
        output_aclr:      string := "OFF";
        pattern_reg:      string := "INCLOCK";
        pattern_aclr:     string := "ON";
        wraddress_aclr:   string := "ON";
        wrx_reg:          string := "UNUSED";
        wrx_aclr:         string := "UNUSED";
        wrcontrol_aclr:   string := "OFF";
        use_eab:          string := "ON"; 
        lpm_type : string := "altcam"
       );

        
   port
      ( pattern:    in std_logic_vector(width-1 downto 0);
        wrx:        in std_logic_vector(width-1 downto 0) := (others => '0');
        wrxused:    in std_logic := '1';
        wrdelete:   in std_logic := '0';
        wraddress:  in std_logic_vector(widthad-1 downto 0);
        wren:       in std_logic;
        inclock:    in std_logic;
        inclocken:  in std_logic := '1';
        inaclr:     in std_logic := '0';
        outclock:   in std_logic := '0';
        outclocken: in std_logic := '1';
        outaclr:    in std_logic := '0';
        mstart:     in std_logic := 'X';
        mnext:      in std_logic := '0';
        maddress:   out std_logic_vector(widthad-1 downto 0);
        mbits:      out std_logic_vector(numwords-1 downto 0);
        mfound:     out std_logic;
        mcount:     out std_logic_vector(widthad-1 downto 0);
        rdbusy:     out std_logic;
        wrbusy:     out std_logic );
end component;

component altclklock
generic(
    inclock_period          : natural := 10000;   -- units in ps
    inclock_settings        : string := "UNUSED";
    valid_lock_cycles       : natural := 5;
    invalid_lock_cycles     : natural := 5;
    valid_lock_multiplier   : natural := 5;
    invalid_lock_multiplier : natural := 5;
    operation_mode          : string := "NORMAL";
    clock0_boost            : natural := 1;
    clock0_divide           : natural := 1;
    clock0_settings         : string := "UNUSED";
    clock0_time_delay       : string := "0";
    clock1_boost            : natural := 1;
    clock1_divide           : natural := 1;
    clock1_settings         : string := "UNUSED";
    clock1_time_delay       : string := "0";
    clock2_boost            : natural := 1;
    clock2_divide           : natural := 1;
    clock2_settings         : string := "UNUSED";
    clock2_time_delay       : string := "0";
    clock_ext_boost         : natural := 1;
    clock_ext_divide        : natural := 1;
    clock_ext_settings      : string := "UNUSED";
    clock_ext_time_delay    : string := "0";
    outclock_phase_shift    : natural := 0;   -- units in ps
    intended_device_family  : string := "APEX20KE" ;
    lpm_type                : string := "altclklock"
);
port(
    inclock   : in std_logic;  -- required port, input reference clock
    inclocken : in std_logic := '1';  -- PLL enable signal
    fbin      : in std_logic := '1';  -- feedback input for the PLL

    clock0    : out std_logic;  -- clock0 output
    clock1    : out std_logic;  -- clock1 output
    clock2    : out std_logic;  -- clock2 output, for Mercury only
    clock_ext : out std_logic;  -- external clock output, for Mercury only
    locked    : out std_logic   -- PLL lock signal
);
end component;

component altlvds_rx
    generic
      ( number_of_channels          : natural;
        deserialization_factor      : natural;
        inclock_boost               : natural:= 0;
        registered_output           : string := "ON";
        inclock_period              : natural;
        cds_mode                    : string := "UNUSED";
        intended_device_family      : string := "APEX20KE";
        input_data_rate             : natural:= 0;
        inclock_data_alignment      : string := "EDGE_ALIGNED";
        registered_data_align_input : string :="ON";
        common_rx_tx_pll            : string :="ON";
        enable_dpa_mode             : string := "OFF";
        enable_dpa_fifo             : string := "ON";
        use_dpll_rawperror          : string := "OFF";
        use_coreclock_input         : string := "OFF";
        dpll_lock_count             : natural:= 0;      
        dpll_lock_window            : natural:= 0;
        outclock_resource           : string := "AUTO";
        data_align_rollover         : natural := 10;
        lose_lock_on_one_change     : string  := "OFF";
        reset_fifo_at_first_lock    : string  := "ON";
        use_external_pll            : string  := "OFF";
        lpm_hint                    : string := "UNUSED";
        lpm_type                    : string := "altlvds_rx";
        clk_src_is_pll              : string := "off"
      );
    port
      ( rx_in                 : in std_logic_vector(number_of_channels-1 downto 0);
        rx_inclock            : in std_logic;
        rx_enable             : in std_logic := '1';
        rx_deskew             : in std_logic := '0';
        rx_pll_enable         : in std_logic := '1';
        rx_data_align         : in std_logic := '0';
        rx_reset              : in std_logic_vector(number_of_channels-1 downto 0) := (others => '0'); 
        rx_dpll_reset         : in std_logic_vector(number_of_channels-1 downto 0) := (others => '0');
        rx_dpll_hold          : in std_logic_vector(number_of_channels-1 downto 0) := (others => '0');
        rx_dpll_enable        : in std_logic_vector(number_of_channels-1 downto 0) := (others => '1');
        rx_fifo_reset         : in std_logic_vector(number_of_channels-1 downto 0) := (others => '0');
        rx_channel_data_align : in std_logic_vector(number_of_channels-1 downto 0) := (others => '0');
        rx_cda_reset          : in std_logic_vector(number_of_channels-1 downto 0) := (others => '0');
        rx_coreclk            : in std_logic_vector(number_of_channels-1 downto 0) := (others => '0');
        pll_areset            : in std_logic := '0';   
        rx_out                : out std_logic_vector(deserialization_factor*number_of_channels -1 downto 0);
        rx_outclock           : out std_logic;
        rx_locked             : out std_logic;
        rx_dpa_locked         : out std_logic_vector(number_of_channels-1 downto 0);
        rx_cda_max            : out std_logic_vector(number_of_channels-1 downto 0));
end component;

component altlvds_tx
    generic
      ( number_of_channels     : natural;
        deserialization_factor : natural:= 4;
        inclock_boost          : natural := 0;
        outclock_divide_by     : positive:= 1;
        registered_input       : string := "ON";
        multi_clock            : string := "OFF";
        inclock_period         : natural;
        center_align_msb       : string := "UNUSED";
        intended_device_family : string := "APEX20KE";
        output_data_rate       : natural:= 0;
        outclock_resource      : string := "AUTO";
        common_rx_tx_pll       : string := "ON";
        inclock_data_alignment : string := "EDGE_ALIGNED";
        outclock_alignment     : string := "EDGE_ALIGNED";
        use_external_pll       : string := "OFF";
        preemphasis_setting    : natural := 0;
        vod_setting            : natural := 0;
        differential_drive     : natural := 0;
        lpm_type               : string := "altlvds_tx";
        clk_src_is_pll              : string := "off"
    );
    port
      ( tx_in           : in std_logic_vector(deserialization_factor*number_of_channels -1 downto 0);
        tx_inclock      : in std_logic;
        tx_enable       : in std_logic := '1';
        sync_inclock    : in std_logic := '0';
        tx_pll_enable   : in std_logic := '1';
        pll_areset      : in std_logic := '0';
        tx_out          : out std_logic_vector(number_of_channels-1 downto 0);
        tx_outclock     : out std_logic;
        tx_coreclock    : out std_logic;
        tx_locked       : out std_logic );
end component;

component altdpram
    generic
      ( width                  : natural;
        widthad                : natural;
        numwords               : natural := 0;
        lpm_file               : string := "UNUSED";
        lpm_hint               : string := "USE_EAB=ON";
        use_eab                : string := "ON";
        indata_reg             : string := "UNREGISTERED";
        indata_aclr            : string := "OFF";
        wraddress_reg          : string := "UNREGISTERED";
        wraddress_aclr         : string := "OFF";
        wrcontrol_reg          : string := "UNREGISTERED";
        wrcontrol_aclr         : string := "OFF";
        rdaddress_reg          : string := "UNREGISTERED";
        rdaddress_aclr         : string := "OFF";
        rdcontrol_reg          : string := "UNREGISTERED";
        rdcontrol_aclr         : string := "OFF";
        outdata_reg            : string := "UNREGISTERED";
        outdata_aclr           : string := "OFF";
        intended_device_family : string := "APEX20KE";
        lpm_type               : string := "altdpram" );
    port
      ( wren       : in std_logic := '0';
        data       : in std_logic_vector(width-1 downto 0);
        wraddress  : in std_logic_vector(widthad-1 downto 0);
        inclock    : in std_logic := '0';
        inclocken  : in std_logic := '1';
        rden       : in std_logic := '1';
        rdaddress  : in std_logic_vector(widthad-1 downto 0);
        outclock   : in std_logic := '0';
        outclocken : in std_logic := '1';
        aclr       : in std_logic := '0';
        q          : out std_logic_vector(width-1 downto 0) );
end component;


component alt3pram 
    generic
      ( width                  : natural;
        widthad                : natural;
        numwords               : natural := 0;
        lpm_file               : string := "UNUSED";
        lpm_hint               : string := "USE_EAB=ON";
        indata_reg             : string := "UNREGISTERED";
        indata_aclr            : string := "OFF";
        write_reg       : string := "UNREGISTERED";
        write_aclr          : string := "OFF";
        rdaddress_reg_a          : string := "UNREGISTERED";
        rdaddress_aclr_a         : string := "OFF";
    rdaddress_reg_b          : string := "UNREGISTERED";
        rdaddress_aclr_b         : string := "OFF";
        rdcontrol_reg_a          : string := "UNREGISTERED";
        rdcontrol_aclr_a         : string := "OFF";
    rdcontrol_reg_b          : string := "UNREGISTERED";
        rdcontrol_aclr_b         : string := "OFF";
        outdata_reg_a            : string := "UNREGISTERED";
        outdata_aclr_a           : string := "OFF";
    outdata_reg_b            : string := "UNREGISTERED";
        outdata_aclr_b           : string := "OFF";
        intended_device_family : string := "APEX20KE";
        ram_block_type           : string  := "AUTO";
        maximum_depth            : integer := 0;
        lpm_type : string := "alt3pram"