?? lpm_pack.vhd
字號:
------------------------------------------------------------------------
-- LPM 220 Component Declaration Package (Support string type generic)
-- These models are based on LPM version 220 (EIA-IS103 October 1998).
------------------------------------------------------------------------
-- Version Quartus v1.1 (lpm 220) Date 01/23/01
--
-- 01/23/01: Adding use_eab=on support for lpm_ram_io, lpm_ram_dp and
-- lpm_ram_dq.
------------------------------------------------------------------------
-- Version 2.1.1 (lpm 220) Date 07/27/00
--
-- LPM_LATCH:
-- Changed Data port to be initialized with 0's.
-- LPM_DIVIDE:
-- Added LPM_REMAINDERPOSITIVE parameter. This is a non-LPM 220
-- standard parameter. It defaults to TRUE for LPM 220 behaviour.
-- LPM_ADD_SUB:
-- Changed default value of CIN port to HIGH (0) when subtract.
-- This behaviour is different from LPM 220 specification, which
-- probably states the incorrect default value.
------------------------------------------------------------------------
-- Version 2.1 (lpm 220) Date 04/05/00
--
-- LPM_CONSTANT:
-- Changed LPM_WIDTH type from positive to natural.
-- LPM_INV:
-- Changed LPM_WIDTH type from positive to natural.
-- LPM_AND:
-- Changed LPM_WIDTH and LPM_SIZE type from positive to natural.
-- LPM_OR:
-- Changed LPM_WIDTH and LPM_SIZE type from positive to natural.
-- LPM_XOR:
-- Changed LPM_WIDTH and LPM_SIZE type from positive to natural.
-- LPM_BUSTRI:
-- Changed LPM_WIDTH type from positive to natural.
-- LPM_MUX:
-- Changed LPM_WIDTH, LPM_SIZE and LPM_WIDTHS type from positive
-- to natural.
-- Changed LPM_PIPELINE type from integer to natural.
-- LPM_DECODE:
-- Changed LPM_WIDTH and LPM_DECODES type from positive to natural.
-- Changed LPM_PIPELINE type from integer to natural.
-- LPM_CLSHIFT:
-- Changed LPM_WIDTH and LPM_WIDTHDIST type from positive to
-- natural.
-- LPM_ADD_SUB:
-- Changed LPM_WIDTH type from positive to natural.
-- Changed LPM_PIPELINE type from integer to natural.
-- LPM_COMPARE:
-- Changed LPM_WIDTH type from positive to natural.
-- Changed LPM_PIPELINE type from integer to natural.
-- LPM_MULT:
-- Changed LPM_WIDTHA, LPM_WIDTHB and LPM_WIDTHP type from positive
-- to natural.
-- Changed LPM_PIPELINE type from integer to natural.
-- LPM_DIVIDE:
-- Changed LPM_WIDTHN and LPM_WIDTHD from positive to natural.
-- Changed LPM_PIPELINE type from integer to natural.
-- LPM_ABS:
-- Changed LPM_WIDTH type from positive to natural.
-- LPM_COUNTER:
-- Changed LPM_WIDTH type from positive to natural.
-- LPM_LATCH:
-- Changed LPM_WIDTH type from positive to natural.
-- LPM_FF:
-- Changed LPM_WIDTH type from positive to natural.
-- LPM_SHIFTREG:
-- Changed LPM_WIDTH type from positive to natural.
-- LPM_RAM_DQ:
-- Changed LPM_WIDTH and LPM_WIDTHAD from positive to natural.
-- LPM_RAM_DP:
-- Changed LPM_WIDTH and LPM_WIDTHAD from positive to natural.
-- LPM_RAM_IO:
-- Changed LPM_WIDTH and LPM_WIDTHAD from positive to natural.
-- LPM_ROM:
-- Changed LPM_WIDTH and LPM_WIDTHAD from positive to natural.
-- LPM_FIFO:
-- Changed LPM_WIDTH, LPM_WIDTHU and LPM_NUMWORDS from positive to
-- natural.
-- LPM_FIFO_DC:
-- Changed LPM_WIDTH, LPM_WIDTHU and LPM_NUMWORDS from positive to
-- natural.
-- LPM_TTABLE:
-- Changed LPM_WIDTHIN and LPM_WIDTHOUT from positive to natural.
-- LPM_FSM:
-- Changed LPM_WIDTHIN, LPM_WIDTHOUT and LPM_WIDTHS from positive
-- to natural.
-- LPM_INPAD:
-- Changed LPM_WIDTH type from positive to natural.
-- LPM_OUTPAD:
-- Changed LPM_WIDTH type from positive to natural.
-- LPM_BIPAD:
-- Changed LPM_WIDTH type from positive to natural.
------------------------------------------------------------------------
-- Version 1.8 (lpm 220) Date 10/21/99
--
-- Fixed str_to_int() to correctly convert string to integer.
------------------------------------------------------------------------
-- Version 1.7 (lpm 220) Date 07/13/99
--
-- Changed OutEnab and WE in LPM_RAM_IO to default to 'Z'.
------------------------------------------------------------------------
-- Version 1.6 (lpm 220) Date 06/14/99
--
-- Added LPM_HINT and LPM_TYPE to all, if not existed.
-- Changed all clock signals default value to '0'.
-- Changed default values of parameters to comply with the spec.
--
-- LPM_BUSTRI:
-- Renamed TRDATA to TRIDATA.
-- LPM_MULT:
-- Changed LPM_WIDTHS type from positive to natural, default to 0.
-- LPM_DIVIDE:
-- Discarded LPM_WIDTHD and LPM_WIDTHR.
-- LPM_COUNTER:
-- Discarded EQ.
-- Added CIN and COUT.
-- Changed LPM_MODULUS type from integer to natural.
-- LPM_FF:
-- Added LPM_PVALUE, default to "UNUSED".
-- Changed LPM_FFTYPE default value from "FFTYPE_DFF" to "DFF".
-- LPM_SHIFTREG:
-- Added LPM_PVALUE, default to "UNUSED".
-- LPM_RAM_DQ:
-- Changed LPM_NUMWORDS type from integer to natrual.
-- Changed WE to have no default value.
-- LPM_RAM_DP:
-- Changed LPM_NUMWORDS type from integer to natrual.
-- Changed RDCLKEN default value from '0' to '1'.
-- LPM_RAM_IO:
-- Changed LPM_NUMWORDS type from integer to natrual.
-- LPM_ROM:
-- Changed LPM_NUMWORDS type from integer to natrual.
-- LPM_FIFO:
-- Added LPM_WIDTHU default value '1'.
-- Added ACLR and SCLR default value '0'.
-- LPM_FSM:
-- Added LPM_PVALUE, default to "UNUSED".
-- Added TESTENAB and TESTIN, default to '0'.
-- Added TESTOUT.
------------------------------------------------------------------------
-- Version 1.5 (lpm 220) Date 05/10/99
--
-- Added 0 default value to LPM_NUMWORD parameter in LPM_RAM_DQ,
-- LPM_RAM_IO, and LPM_ROM. Also added 0 default value to LPM_MODULUS.
------------------------------------------------------------------------
-- Version 1.4 (lpm 220) Date 02/05/99
--
-- Removed the constant declarations for string type parameters.
-- Changed LPM_NUMWORDS type from string to positive.
-- Added LPM_DIVIDE, LPM_RAM_DP, LPM_FIFO, and LPM_SCFIFO functions.
------------------------------------------------------------------------
-- Version 1.3 Date 07/30/97
------------------------------------------------------------------------
-- Excluded:
--
-- 1. LPM_POLARITY.
-- 2. SCAN pins are eliminated from storage functions.
------------------------------------------------------------------------
-- Assumptions:
--
-- LPM_SVALUE, LPM_AVALUE, LPM_MODULUS, and LPM_NUMWORDS, LPM_HINT,
-- LPM_STRENGTH, LPM_DIRECTION, and LPM_PVALUE default value is
-- string "UNUSED".
------------------------------------------------------------------------
library IEEE;
use IEEE.std_logic_1164.all;
package LPM_COMPONENTS is
constant L_CONSTANT : string := "LPM_CONSTANT";
constant L_INV : string := "LPM_INV";
constant L_AND : string := "LPM_AND";
constant L_OR : string := "LPM_OR";
constant L_XOR : string := "LPM_XOR";
constant L_BUSTRI : string := "LPM_BUSTRI";
constant L_MUX : string := "LPM_MUX";
constant L_DECODE : string := "LPM_DECODE";
constant L_CLSHIFT : string := "LPM_CLSHIFT";
constant L_ADD_SUB : string := "LPM_ADD_SUB";
constant L_COMPARE : string := "LPM_COMPARE";
constant L_MULT : string := "LPM_MULT";
constant L_DIVIDE : string := "LPM_DIVIDE";
constant L_ABS : string := "LPM_ABS";
constant L_COUNTER : string := "LPM_COUNTER";
constant L_LATCH : string := "LPM_LATCH";
constant L_FF : string := "LPM_FF";
constant L_SHIFTREG : string := "LPM_SHIFTREG";
constant L_RAM_DQ : string := "LPM_RAM_DQ";
constant L_RAM_DP : string := "LPM_RAM_DP";
constant L_RAM_IO : string := "LPM_RAM_IO";
constant L_ROM : string := "LPM_ROM";
constant L_FIFO : string := "LPM_FIFO";
constant L_FIFO_DC : string := "LPM_FIFO_DC";
constant L_TTABLE : string := "LPM_TTABLE";
constant L_FSM : string := "LPM_FSM";
constant L_INPAD : string := "LPM_INPAD";
constant L_OUTPAD : string := "LPM_OUTPAD";
constant L_BIPAD : string := "LPM_BIPAD";
type STD_LOGIC_2D is array (NATURAL RANGE <>, NATURAL RANGE <>) of STD_LOGIC;
function str_to_int(S : string) return integer;
------------------------------------------------------------------------
-- GATES ---------------------------------------------------------------
------------------------------------------------------------------------
component LPM_CONSTANT
generic (LPM_WIDTH : natural; -- MUST be greater than 0
LPM_CVALUE : natural;
LPM_STRENGTH : string := "UNUSED";
LPM_TYPE : string := L_CONSTANT;
LPM_HINT : string := "UNUSED");
port (RESULT : out std_logic_vector(LPM_WIDTH-1 downto 0));
end component;
component LPM_INV
generic (LPM_WIDTH : natural; -- MUST be greater than 0
LPM_TYPE : string := L_INV;
LPM_HINT : string := "UNUSED");
port (DATA : in std_logic_vector(LPM_WIDTH-1 downto 0);
RESULT : out std_logic_vector(LPM_WIDTH-1 downto 0));
end component;
component LPM_AND
generic (LPM_WIDTH : natural; -- MUST be greater than 0
LPM_SIZE : natural; -- MUST be greater than 0
LPM_TYPE : string := L_AND;
LPM_HINT : string := "UNUSED");
port (DATA : in std_logic_2D(LPM_SIZE-1 downto 0, LPM_WIDTH-1 downto 0);
RESULT : out std_logic_vector(LPM_WIDTH-1 downto 0));
end component;
component LPM_OR
generic (LPM_WIDTH : natural; -- MUST be greater than 0
LPM_SIZE : natural; -- MUST be greater than 0
LPM_TYPE : string := L_OR;
LPM_HINT : string := "UNUSED");
port (DATA : in std_logic_2D(LPM_SIZE-1 downto 0, LPM_WIDTH-1 downto 0);
RESULT : out std_logic_vector(LPM_WIDTH-1 downto 0));
end component;
component LPM_XOR
generic (LPM_WIDTH : natural; -- MUST be greater than 0
LPM_SIZE : natural; -- MUST be greater than 0
LPM_TYPE : string := L_XOR;
LPM_HINT : string := "UNUSED");
port (DATA : in std_logic_2D(LPM_SIZE-1 downto 0, LPM_WIDTH-1 downto 0);
RESULT : out std_logic_vector(LPM_WIDTH-1 downto 0));
end component;
component LPM_BUSTRI
generic (LPM_WIDTH : natural; -- MUST be greater than 0
LPM_TYPE : string := L_BUSTRI;
LPM_HINT : string := "UNUSED");
port (DATA : in std_logic_vector(LPM_WIDTH-1 downto 0);
ENABLEDT : in std_logic := '0';
ENABLETR : in std_logic := '0';
RESULT : out std_logic_vector(LPM_WIDTH-1 downto 0);
TRIDATA : inout std_logic_vector(LPM_WIDTH-1 downto 0));
end component;
component LPM_MUX
generic (LPM_WIDTH : natural; -- MUST be greater than 0
LPM_SIZE : natural; -- MUST be greater than 0
LPM_WIDTHS : natural; -- MUST be greater than 0
LPM_PIPELINE : natural := 0;
LPM_TYPE : string := L_MUX;
LPM_HINT : string := "UNUSED");
port (DATA : in std_logic_2D(LPM_SIZE-1 downto 0, LPM_WIDTH-1 downto 0);
ACLR : in std_logic := '0';
CLOCK : in std_logic := '0';
CLKEN : in std_logic := '1';
SEL : in std_logic_vector(LPM_WIDTHS-1 downto 0);
RESULT : out std_logic_vector(LPM_WIDTH-1 downto 0));
end component;
component LPM_DECODE
generic (LPM_WIDTH : natural; -- MUST be greater than 0
LPM_DECODES : natural; -- MUST be greater than 0
LPM_PIPELINE : natural := 0;
LPM_TYPE : string := L_DECODE;
LPM_HINT : string := "UNUSED");
port (DATA : in std_logic_vector(LPM_WIDTH-1 downto 0);
CLOCK : in std_logic := '0';
CLKEN : in std_logic := '1';
ACLR : in std_logic := '0';
ENABLE : in std_logic := '1';
EQ : out std_logic_vector(LPM_DECODES-1 downto 0));
end component;
component LPM_CLSHIFT
generic (LPM_WIDTH : natural; -- MUST be greater than 0
LPM_WIDTHDIST : natural; -- MUST be greater than 0
LPM_SHIFTTYPE : string := "LOGICAL";
LPM_TYPE : string := L_CLSHIFT;
LPM_HINT : string := "UNUSED");
port (DATA : in STD_LOGIC_VECTOR(LPM_WIDTH-1 downto 0);
DISTANCE : in STD_LOGIC_VECTOR(LPM_WIDTHDIST-1 downto 0);
DIRECTION : in STD_LOGIC := '0';
RESULT : out STD_LOGIC_VECTOR(LPM_WIDTH-1 downto 0);
UNDERFLOW : out STD_LOGIC;
OVERFLOW : out STD_LOGIC);
end component;
------------------------------------------------------------------------
-- ARITHMETIC COMPONENTS -----------------------------------------------
------------------------------------------------------------------------
component LPM_ADD_SUB
generic (LPM_WIDTH : natural; -- MUST be greater than 0
LPM_DIRECTION : string := "UNUSED";
LPM_REPRESENTATION: string := "SIGNED";
LPM_PIPELINE : natural := 0;
LPM_TYPE : string := L_ADD_SUB;
LPM_HINT : string := "UNUSED");
port (DATAA : in std_logic_vector(LPM_WIDTH-1 downto 0);
DATAB : in std_logic_vector(LPM_WIDTH-1 downto 0);
ACLR : in std_logic := '0';
CLOCK : in std_logic := '0';
CLKEN : in std_logic := '1';
CIN : in std_logic := 'Z';
ADD_SUB : in std_logic := '1';
RESULT : out std_logic_vector(LPM_WIDTH-1 downto 0);
COUT : out std_logic;
OVERFLOW : out std_logic);
end component;
component LPM_COMPARE
generic (LPM_WIDTH : natural; -- MUST be greater than 0
LPM_REPRESENTATION : string := "UNSIGNED";
LPM_PIPELINE : natural := 0;
LPM_TYPE: string := L_COMPARE;
LPM_HINT : string := "UNUSED");
port (DATAA : in std_logic_vector(LPM_WIDTH-1 downto 0);
DATAB : in std_logic_vector(LPM_WIDTH-1 downto 0);
ACLR : in std_logic := '0';
CLOCK : in std_logic := '0';
CLKEN : in std_logic := '1';
AGB : out std_logic;
AGEB : out std_logic;
AEB : out std_logic;
ANEB : out std_logic;
ALB : out std_logic;
ALEB : out std_logic);
end component;
component LPM_MULT
generic (LPM_WIDTHA : natural; -- MUST be greater than 0
LPM_WIDTHB : natural; -- MUST be greater than 0
LPM_WIDTHS : natural := 0;
LPM_WIDTHP : natural; -- MUST be greater than 0
LPM_REPRESENTATION : string := "UNSIGNED";
LPM_PIPELINE : natural := 0;
LPM_TYPE: string := L_MULT;
LPM_HINT : string := "UNUSED");
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -