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[/] [mips_enhanced/] [trunk/] [grlib-gpl-1.0.19-b3188/] [lib/] [techmap/] [cycloneiii/] [alt/] [adqsout.vhd] - Rev 2
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library ieee; use ieee.std_logic_1164.all; library grlib; use grlib.stdlib.all; library techmap; use techmap.gencomp.all; library cycloneiii; use cycloneiii.all; entity adqsout is port( clk : in std_logic; -- clk90 dqs : in std_logic; dqs_oe : in std_logic; dqs_oct : in std_logic; -- gnd = disable dqs_pad : out std_logic; -- DQS pad dqsn_pad : out std_logic -- DQSN pad ); end; architecture rtl of adqsout is component cycloneiii_ddio_out generic( power_up : string := "low"; async_mode : string := "none"; sync_mode : string := "none"; lpm_type : string := "cycloneiii_ddio_out" ); port ( datainlo : in std_logic := '0'; datainhi : in std_logic := '0'; clk : in std_logic := '0'; ena : in std_logic := '1'; areset : in std_logic := '0'; sreset : in std_logic := '0'; dataout : out std_logic; dfflo : out std_logic; dffhi : out std_logic-- ; --devclrn : in std_logic := '1'; --devpor : in std_logic := '1' ); end component; component cycloneiii_ddio_oe is generic( power_up : string := "low"; async_mode : string := "none"; sync_mode : string := "none"; lpm_type : string := "cycloneiii_ddio_oe" ); port ( oe : IN std_logic := '1'; clk : IN std_logic := '0'; ena : IN std_logic := '1'; areset : IN std_logic := '0'; sreset : IN std_logic := '0'; dataout : OUT std_logic--; --dfflo : OUT std_logic; --dffhi : OUT std_logic; --devclrn : IN std_logic := '1'; --devpor : IN std_logic := '1' ); end component; component cycloneiii_io_obuf generic( bus_hold : string := "false"; open_drain_output : string := "false"; lpm_type : string := "cycloneiii_io_obuf" ); port( i : in std_logic := '0'; oe : in std_logic := '1'; --devoe : in std_logic := '1'; o : out std_logic; obar : out std_logic--; --seriesterminationcontrol : in std_logic_vector(15 downto 0) := (others => '0') ); end component; signal vcc : std_logic; signal gnd : std_logic_vector(13 downto 0); signal dqs_reg, dqs_buf, dqsn_buf, dqs_oe_n : std_logic; signal dqs_oe_reg, dqs_oe_reg_n, dqs_oct_reg : std_logic; signal dqsn_oe_reg, dqsn_oe_reg_n, dqsn_oct_reg : std_logic; begin vcc <= '1'; gnd <= (others => '0'); -- DQS output register -------------------------------------------------------------- dqs_reg0 : cycloneiii_ddio_out generic map( power_up => "high", async_mode => "none", sync_mode => "none", lpm_type => "cycloneiii_ddio_out" ) port map( datainlo => gnd(0), datainhi => dqs, clk => clk, ena => vcc, areset => gnd(0), sreset => gnd(0), dataout => dqs_reg--, --dfflo => open, --dffhi => open, --devclrn => vcc, --devpor => vcc ); -- Outout enable and DQS ------------------------------------------------------------ -- ****** ????????? invert dqs_oe also ?????? dqs_oe_n <= not dqs_oe; dqs_oe_reg0 : cycloneiii_ddio_oe generic map( power_up => "low", async_mode => "none", sync_mode => "none", lpm_type => "cycloneiii_ddio_oe" ) port map( oe => dqs_oe, clk => clk, ena => vcc, areset => gnd(0), sreset => gnd(0), dataout => dqs_oe_reg--, --dfflo => open, --dffhi => open, --devclrn => vcc, --devpor => vcc ); dqs_oe_reg_n <= not dqs_oe_reg; -- Out buffer (DQS) ----------------------------------------------------------------- dqs_buf0 : cycloneiii_io_obuf generic map( open_drain_output => "false", bus_hold => "false", lpm_type => "cycloneiii_io_obuf" ) port map( i => dqs_reg, oe => dqs_oe_reg_n, --devoe => vcc, o => dqs_pad, obar => open --seriesterminationcontrol => gnd, ); end;