Altera DQ (ALTDQ) Manual do Utilizador descarregar pdf (Página 23)

Specifications Page 23

November 2010 Altera Corporation DQ (ALTDQ) and DQS (ALTDQS) Megafunctions

VHDL Component Declaration

You can locate the following VHDL component declarations in the VHDL Design File

(.vhd) altera_mf.vhd in the <Quartus II installation

directory>\libraries\vhdl\altera_mf directory.

ALTDQ

component altdq

generic (

ddioinclk_input : string := "NEGATED_INCLK";

intended_device_family : string := "unused";

extend_oe_disable : string := "OFF";

invert_input_clocks : string := "ON";

number_of_dq : natural;

oe_reg : string := "UNREGISTERED";

power_up_high : string := "OFF";

lpm_hint : string := "UNUSED";

lpm_type : string := "altdq

);

port(

aclr : in std_logic := '0';

aset : in std_logic := '0';

datain_h : in std_logic_vector(number_of_dq-1 downto 0);

datain_l : in std_logic_vector(number_of_dq-1 downto 0);

dataout_h : out std_logic_vector(number_of_dq-1 downto 0);

dataout_l : out std_logic_vector(number_of_dq-1 downto 0);

ddioinclk : in std_logic := '0';

inclock : in std_logic;

inclocken : in std_logic := '1';

oe : in std_logic := '1';

outclock : in std_logic;

outclocken : in std_logic := '1';

padio : inout std_logic_vector(number_of_dq-1 downto 0)

);

end component;

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Altera DQ (ALTDQ) Manual do Utilizador Página 23