lpm_rom0.vhd

用LPM_ROM设计存放一个周期的256×8大小的rom,构建简易频率可控的正弦波发生器。

-- megafunction wizard: %LPM_ROM%
-- GENERATION: STANDARD
-- VERSION: WM1.0
-- MODULE: lpm_rom 

-- ============================================================
-- File Name: lpm_rom0.vhd
-- Megafunction Name(s):
-- 			lpm_rom
-- ============================================================
-- ************************************************************
-- THIS IS A WIZARD-GENERATED FILE. DO NOT EDIT THIS FILE!
--
-- 4.2 Build 157 12/07/2004 SJ Full Version
-- ************************************************************


--Copyright (C) 1991-2004 Altera Corporation
--Any  megafunction  design,  and related netlist (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,  netlist,  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, netlist,
--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.


LIBRARY ieee;
USE ieee.std_logic_1164.all;

LIBRARY lpm;
USE lpm.lpm_components.all;

ENTITY lpm_rom0 IS
	PORT
	(
		address		: IN STD_LOGIC_VECTOR (7 DOWNTO 0);
		q		: OUT STD_LOGIC_VECTOR (7 DOWNTO 0)
	);
END lpm_rom0;


ARCHITECTURE SYN OF lpm_rom0 IS

	SIGNAL sub_wire0	: STD_LOGIC_VECTOR (7 DOWNTO 0);



	COMPONENT lpm_rom
	GENERIC (
		intended_device_family		: STRING;
		lpm_width		: NATURAL;
		lpm_widthad		: NATURAL;
		lpm_address_control		: STRING;
		lpm_outdata		: STRING;
		lpm_file		: STRING;
		lpm_type		: STRING
	);
	PORT (
			address	: IN STD_LOGIC_VECTOR (7 DOWNTO 0);
			q	: OUT STD_LOGIC_VECTOR (7 DOWNTO 0)
	);
	END COMPONENT;

BEGIN
	q    <= sub_wire0(7 DOWNTO 0);

	lpm_rom_component : lpm_rom
	GENERIC MAP (
		intended_device_family => "FLEX10K",
		lpm_width => 8,
		lpm_widthad => 8,
		lpm_address_control => "UNREGISTERED",
		lpm_outdata => "UNREGISTERED",
		lpm_file => "SINRom.MIF",
		lpm_type => "LPM_ROM"
	)
	PORT MAP (
		address => address,
		q => sub_wire0
	);



END SYN;

-- ============================================================
-- CNX file retrieval info
-- ============================================================
-- Retrieval info: PRIVATE: WidthData NUMERIC "8"
-- Retrieval info: PRIVATE: WidthAddr NUMERIC "8"
-- Retrieval info: PRIVATE: NUMWORDS_A NUMERIC "256"
-- Retrieval info: PRIVATE: SingleClock NUMERIC "0"
-- Retrieval info: PRIVATE: UseDQRAM NUMERIC "0"
-- Retrieval info: PRIVATE: RegAddr NUMERIC "0"
-- Retrieval info: PRIVATE: RegOutput NUMERIC "0"
-- Retrieval info: PRIVATE: BYTE_ENABLE NUMERIC "0"
-- Retrieval info: PRIVATE: BYTE_SIZE NUMERIC "8"
-- Retrieval info: PRIVATE: AclrByte NUMERIC "0"
-- Retrieval info: PRIVATE: AclrAddr NUMERIC "0"
-- Retrieval info: PRIVATE: AclrOutput NUMERIC "0"
-- Retrieval info: PRIVATE: Clken NUMERIC "0"
-- Retrieval info: PRIVATE: CLOCK_ENABLE_INPUT_A NUMERIC "0"
-- Retrieval info: PRIVATE: CLOCK_ENABLE_OUTPUT_A NUMERIC "0"
-- Retrieval info: PRIVATE: ADDRESSSTALL_A NUMERIC "0"
-- Retrieval info: PRIVATE: RegAdd NUMERIC "0"
-- Retrieval info: PRIVATE: OutputRegistered NUMERIC "0"
-- Retrieval info: PRIVATE: BlankMemory NUMERIC "0"
-- Retrieval info: PRIVATE: MIFfilename STRING "SINRom.MIF"
-- Retrieval info: PRIVATE: UseLCs NUMERIC "0"
-- Retrieval info: PRIVATE: RAM_BLOCK_TYPE NUMERIC "0"
-- Retrieval info: PRIVATE: MAXIMUM_DEPTH NUMERIC "0"
-- Retrieval info: PRIVATE: INIT_FILE_LAYOUT STRING "PORT_A"
-- Retrieval info: PRIVATE: JTAG_ENABLED NUMERIC "0"
-- Retrieval info: PRIVATE: JTAG_ID STRING "NONE"
-- Retrieval info: PRIVATE: INTENDED_DEVICE_FAMILY STRING "FLEX10K"
-- Retrieval info: CONSTANT: INTENDED_DEVICE_FAMILY STRING "FLEX10K"
-- Retrieval info: CONSTANT: LPM_WIDTH NUMERIC "8"
-- Retrieval info: CONSTANT: LPM_WIDTHAD NUMERIC "8"
-- Retrieval info: CONSTANT: LPM_ADDRESS_CONTROL STRING "UNREGISTERED"
-- Retrieval info: CONSTANT: LPM_OUTDATA STRING "UNREGISTERED"
-- Retrieval info: CONSTANT: LPM_FILE STRING "SINRom.MIF"
-- Retrieval info: CONSTANT: LPM_TYPE STRING "LPM_ROM"
-- Retrieval info: USED_PORT: address 0 0 8 0 INPUT NODEFVAL address[7..0]
-- Retrieval info: USED_PORT: q 0 0 8 0 OUTPUT NODEFVAL q[7..0]
-- Retrieval info: CONNECT: @address 0 0 8 0 address 0 0 8 0
-- Retrieval info: CONNECT: q 0 0 8 0 @q 0 0 8 0
-- Retrieval info: LIBRARY: lpm lpm.lpm_components.all
-- Retrieval info: GEN_FILE: TYPE_NORMAL lpm_rom0.vhd TRUE
-- Retrieval info: GEN_FILE: TYPE_NORMAL lpm_rom0.inc FALSE
-- Retrieval info: GEN_FILE: TYPE_NORMAL lpm_rom0.cmp TRUE
-- Retrieval info: GEN_FILE: TYPE_NORMAL lpm_rom0.bsf TRUE FALSE
-- Retrieval info: GEN_FILE: TYPE_NORMAL lpm_rom0_inst.vhd FALSE