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Files
wfjm.w11/rtl/vlib/xlib/xlib.vhd
Walter F.J. Mueller f2d0f39621 - interim release w11a_V0.54 (untagged)
- add Nexys3 port of w11a
2011-12-04 21:25:09 +00:00

184 lines
7.0 KiB
VHDL

-- $Id: xlib.vhd 432 2011-11-25 20:16:28Z mueller $
--
-- Copyright 2007-2011 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
--
-- This program is free software; you may redistribute and/or modify it under
-- the terms of the GNU General Public License as published by the Free
-- Software Foundation, either version 2, or at your option any later version.
--
-- This program is distributed in the hope that it will be useful, but
-- WITHOUT ANY WARRANTY, without even the implied warranty of MERCHANTABILITY
-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
-- for complete details.
--
------------------------------------------------------------------------------
-- Package Name: xlib
-- Description: Xilinx specific components
--
-- Dependencies: -
-- Tool versions: xst 8.2, 9.1, 9.2, 13.1; ghdl 0.18-0.29
-- Revision History:
-- Date Rev Version Comment
-- 2011-11-24 432 1.0.8 add iob_oddr2_simple
-- 2011-11-17 426 1.0.7 rename dcm_sp_sfs -> dcm_sfs; remove family generic
-- 2011-11-10 423 1.0.6 add family generic for dcm_sp_sfs
-- 2010-11-07 337 1.0.5 add dcm_sp_sfs
-- 2008-05-23 149 1.0.4 add iob_io(_gen)
-- 2008-05-22 148 1.0.3 add iob_keeper(_gen);
-- 2008-05-18 147 1.0.2 add PULL generic to iob_reg_io(_gen)
-- 2007-12-16 101 1.0.1 add INIT generic ports
-- 2007-12-08 100 1.0 Initial version
------------------------------------------------------------------------------
library ieee;
use ieee.std_logic_1164.all;
use work.slvtypes.all;
package xlib is
component iob_reg_i is -- registered IOB, input
generic (
INIT : slbit := '0'); -- initial state
port (
CLK : in slbit; -- clock
CE : in slbit := '1'; -- clock enable
DI : out slbit; -- input data
PAD : in slbit -- i/o pad
);
end component;
component iob_reg_i_gen is -- registered IOB, input, vector
generic (
DWIDTH : positive := 16; -- data port width
INIT : slbit := '0'); -- initial state
port (
CLK : in slbit; -- clock
CE : in slbit := '1'; -- clock enable
DI : out slv(DWIDTH-1 downto 0); -- input data
PAD : in slv(DWIDTH-1 downto 0) -- i/o pad
);
end component;
component iob_reg_o is -- registered IOB, output
generic (
INIT : slbit := '0'); -- initial state
port (
CLK : in slbit; -- clock
CE : in slbit := '1'; -- clock enable
DO : in slbit; -- output data
PAD : out slbit -- i/o pad
);
end component;
component iob_reg_o_gen is -- registered IOB, output, vector
generic (
DWIDTH : positive := 16; -- data port width
INIT : slbit := '0'); -- initial state
port (
CLK : in slbit; -- clock
CE : in slbit := '1'; -- clock enable
DO : in slv(DWIDTH-1 downto 0); -- output data
PAD : out slv(DWIDTH-1 downto 0) -- i/o pad
);
end component;
component iob_reg_io is -- registered IOB, in/output
generic (
INITI : slbit := '0'; -- initial state ( in flop)
INITO : slbit := '0'; -- initial state (out flop)
INITE : slbit := '0'; -- initial state ( oe flop)
PULL : string := "NONE"); -- pull-up,-down or keeper
port (
CLK : in slbit; -- clock
CEI : in slbit := '1'; -- clock enable ( in flops)
CEO : in slbit := '1'; -- clock enable (out flops)
OE : in slbit; -- output enable
DI : out slbit; -- input data (read from pad)
DO : in slbit; -- output data (write to pad)
PAD : inout slbit -- i/o pad
);
end component;
component iob_reg_io_gen is -- registered IOB, in/output, vector
generic (
DWIDTH : positive := 16; -- data port width
INITI : slbit := '0'; -- initial state ( in flop)
INITO : slbit := '0'; -- initial state (out flop)
INITE : slbit := '0'; -- initial state ( oe flop)
PULL : string := "NONE"); -- pull-up,-down or keeper
port (
CLK : in slbit; -- clock
CEI : in slbit := '1'; -- clock enable ( in flops)
CEO : in slbit := '1'; -- clock enable (out flops)
OE : in slbit; -- output enable
DI : out slv(DWIDTH-1 downto 0); -- input data (read from pad)
DO : in slv(DWIDTH-1 downto 0); -- output data (write to pad)
PAD : inout slv(DWIDTH-1 downto 0) -- i/o pad
);
end component;
component iob_io is -- un-registered IOB, in/output
generic (
PULL : string := "NONE"); -- pull-up,-down or keeper
port (
OE : in slbit; -- output enable
DI : out slbit; -- input data (read from pad)
DO : in slbit; -- output data (write to pad)
PAD : inout slbit -- i/o pad
);
end component;
component iob_oddr2_simple is -- DDR2 output I/O pad
generic (
ALIGN : string := "NONE"; -- ddr_alignment
INIT : slbit := '0'); -- initial state
port (
CLK : in slbit; -- clock
CE : in slbit := '1'; -- clock enable
DO0 : in slbit; -- output data
DO1 : in slbit; -- output data
PAD : out slbit -- i/o pad
);
end component;
component iob_io_gen is -- un-registered IOB, in/output, vector
generic (
DWIDTH : positive := 16; -- data port width
PULL : string := "NONE"); -- pull-up,-down or keeper
port (
OE : in slbit; -- output enable
DI : out slv(DWIDTH-1 downto 0); -- input data (read from pad)
DO : in slv(DWIDTH-1 downto 0); -- output data (write to pad)
PAD : inout slv(DWIDTH-1 downto 0) -- i/o pad
);
end component;
component iob_keeper is -- keeper for IOB
port (
PAD : inout slbit -- i/o pad
);
end component;
component iob_keeper_gen is -- keeper for IOB, vector
generic (
DWIDTH : positive := 16); -- data port width
port (
PAD : inout slv(DWIDTH-1 downto 0) -- i/o pad
);
end component;
component dcm_sfs is -- DCM for simple frequency synthesis
generic (
CLKFX_DIVIDE : positive := 2; -- FX clock divide (1-32)
CLKFX_MULTIPLY : positive := 2; -- FX clock divide (2-32)
CLKIN_PERIOD : real := 20.0); -- CLKIN period (def is 20.0 ns)
port (
CLKIN : in slbit; -- clock input
CLKFX : out slbit; -- clock output (synthesized freq.)
LOCKED : out slbit -- dcm locked
);
end component;
end package xlib;