rh_lpm_mult0.vhd

FPGA开发光盘各章节实例的设计工程与源码

-- megafunction wizard: %LPM_MULT%
-- GENERATION: STANDARD
-- VERSION: WM1.0
-- MODULE: lpm_mult 

-- ============================================================
-- File Name: rh_lpm_mult0.vhd
-- Megafunction Name(s):
-- 			lpm_mult
-- ============================================================
-- ************************************************************
-- THIS IS A WIZARD-GENERATED FILE. DO NOT EDIT THIS FILE!
-- ************************************************************


--Copyright (C) 1991-2003 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 rh_lpm_mult0 IS
	PORT
	(
		dataa		: IN STD_LOGIC_VECTOR (15 DOWNTO 0);
		result		: OUT STD_LOGIC_VECTOR (31 DOWNTO 0)
	);
END rh_lpm_mult0;


ARCHITECTURE SYN OF rh_lpm_mult0 IS

	SIGNAL sub_wire0	: STD_LOGIC_VECTOR (31 DOWNTO 0);
	SIGNAL sub_wire1_bv	: BIT_VECTOR (15 DOWNTO 0);
	SIGNAL sub_wire1	: STD_LOGIC_VECTOR (15 DOWNTO 0);



	COMPONENT lpm_mult
	GENERIC (
		lpm_widtha		: NATURAL;
		lpm_widthb		: NATURAL;
		lpm_widthp		: NATURAL;
		lpm_widths		: NATURAL;
		lpm_type		: STRING;
		lpm_representation		: STRING;
		lpm_hint		: STRING
	);
	PORT (
			dataa	: IN STD_LOGIC_VECTOR (15 DOWNTO 0);
			datab	: IN STD_LOGIC_VECTOR (15 DOWNTO 0);
			result	: OUT STD_LOGIC_VECTOR (31 DOWNTO 0)
	);
	END COMPONENT;

BEGIN
	sub_wire1_bv(15 DOWNTO 0) <= "0000000010010110";
	sub_wire1    <= To_stdlogicvector(sub_wire1_bv);
	result    <= sub_wire0(31 DOWNTO 0);

	lpm_mult_component : lpm_mult
	GENERIC MAP (
		lpm_widtha => 16,
		lpm_widthb => 16,
		lpm_widthp => 32,
		lpm_widths => 32,
		lpm_type => "LPM_MULT",
		lpm_representation => "SIGNED",
		lpm_hint => "INPUT_B_IS_CONSTANT=YES,DEDICATED_MULTIPLIER_CIRCUITRY=YES,MAXIMIZE_SPEED=6"
	)
	PORT MAP (
		dataa => dataa,
		datab => sub_wire1,
		result => sub_wire0
	);



END SYN;

-- ============================================================
-- CNX file retrieval info
-- ============================================================
-- Retrieval info: PRIVATE: WidthA NUMERIC "16"
-- Retrieval info: PRIVATE: WidthB NUMERIC "16"
-- Retrieval info: PRIVATE: WidthS NUMERIC "32"
-- Retrieval info: PRIVATE: WidthP NUMERIC "32"
-- Retrieval info: PRIVATE: OptionalSum NUMERIC "0"
-- Retrieval info: PRIVATE: AutoSizeResult NUMERIC "1"
-- Retrieval info: PRIVATE: B_isConstant NUMERIC "1"
-- Retrieval info: PRIVATE: SignedMult NUMERIC "1"
-- Retrieval info: PRIVATE: ConstantB NUMERIC "150"
-- Retrieval info: PRIVATE: ValidConstant NUMERIC "1"
-- Retrieval info: PRIVATE: Latency NUMERIC "0"
-- Retrieval info: PRIVATE: aclr NUMERIC "0"
-- Retrieval info: PRIVATE: clken NUMERIC "0"
-- Retrieval info: PRIVATE: LPM_PIPELINE NUMERIC "1"
-- Retrieval info: PRIVATE: optimize NUMERIC "1"
-- Retrieval info: CONSTANT: LPM_WIDTHA NUMERIC "16"
-- Retrieval info: CONSTANT: LPM_WIDTHB NUMERIC "16"
-- Retrieval info: CONSTANT: LPM_WIDTHP NUMERIC "32"
-- Retrieval info: CONSTANT: LPM_WIDTHS NUMERIC "32"
-- Retrieval info: CONSTANT: LPM_TYPE STRING "LPM_MULT"
-- Retrieval info: CONSTANT: LPM_REPRESENTATION STRING "SIGNED"
-- Retrieval info: CONSTANT: LPM_HINT STRING "INPUT_B_IS_CONSTANT=YES,DEDICATED_MULTIPLIER_CIRCUITRY=YES,MAXIMIZE_SPEED=6"
-- Retrieval info: USED_PORT: dataa 0 0 16 0 INPUT NODEFVAL dataa[15..0]
-- Retrieval info: USED_PORT: result 0 0 32 0 OUTPUT NODEFVAL result[31..0]
-- Retrieval info: CONNECT: @dataa 0 0 16 0 dataa 0 0 16 0
-- Retrieval info: CONNECT: result 0 0 32 0 @result 0 0 32 0
-- Retrieval info: CONNECT: @datab 0 0 16 0 150 0 0 0 0
-- Retrieval info: LIBRARY: lpm lpm.lpm_components.all