lpm_add_sub2.tdf

实现任意小数分频的VHDL源代码,我自己写的,仿真结果是正确的,希望对大家有用!我是打算将400M的时钟分为57.344M

-- megafunction wizard: %LPM_ADD_SUB%
-- GENERATION: STANDARD
-- VERSION: WM1.0
-- MODULE: lpm_add_sub 

-- ============================================================
-- File Name: lpm_add_sub2.tdf
-- Megafunction Name(s):
-- 			lpm_add_sub
--
-- Simulation Library Files(s):
-- 			lpm
-- ============================================================
-- ************************************************************
-- THIS IS A WIZARD-GENERATED FILE. DO NOT EDIT THIS FILE!
--
-- 7.1 Build 156 04/30/2007 SJ Full Version
-- ************************************************************


--Copyright (C) 1991-2007 Altera Corporation
--Your use of Altera Corporation's design tools, logic functions 
--and other software and tools, and its AMPP partner logic 
--functions, and any output files from any of the foregoing 
--(including device programming or simulation files), and any 
--associated documentation or information are expressly subject 
--to the terms and conditions of the Altera Program License 
--Subscription Agreement, Altera MegaCore Function License 
--Agreement, or other applicable license agreement, including, 
--without limitation, that your use is for the sole purpose of 
--programming logic devices manufactured by Altera and sold by 
--Altera or its authorized distributors.  Please refer to the 
--applicable agreement for further details.

INCLUDE "lpm_add_sub.inc";



SUBDESIGN lpm_add_sub2
(
	aclr	 : INPUT;
	clken	 : INPUT;
	clock	 : INPUT;
	dataa[15..0]	 : INPUT;
	datab[15..0]	 : INPUT;
	result[15..0]	 : OUTPUT;
)

VARIABLE

	lpm_add_sub_component : lpm_add_sub WITH (
			LPM_DIRECTION = "ADD",
			LPM_HINT = "ONE_INPUT_IS_CONSTANT=NO,CIN_USED=NO",
			LPM_PIPELINE = 1,
			LPM_TYPE = "LPM_ADD_SUB",
			LPM_WIDTH = 16
			);

BEGIN

	result[15..0] = lpm_add_sub_component.result[15..0];
	lpm_add_sub_component.dataa[15..0] = dataa[15..0];
	lpm_add_sub_component.datab[15..0] = datab[15..0];
	lpm_add_sub_component.clken = clken;
	lpm_add_sub_component.aclr = aclr;
	lpm_add_sub_component.clock = clock;
END;



-- ============================================================
-- CNX file retrieval info
-- ============================================================
-- Retrieval info: PRIVATE: CarryIn NUMERIC "0"
-- Retrieval info: PRIVATE: CarryOut NUMERIC "0"
-- Retrieval info: PRIVATE: ConstantA NUMERIC "0"
-- Retrieval info: PRIVATE: ConstantB NUMERIC "0"
-- Retrieval info: PRIVATE: Function NUMERIC "0"
-- Retrieval info: PRIVATE: INTENDED_DEVICE_FAMILY STRING "Cyclone II"
-- Retrieval info: PRIVATE: LPM_PIPELINE NUMERIC "1"
-- Retrieval info: PRIVATE: Latency NUMERIC "1"
-- Retrieval info: PRIVATE: Overflow NUMERIC "0"
-- Retrieval info: PRIVATE: RadixA NUMERIC "10"
-- Retrieval info: PRIVATE: RadixB NUMERIC "10"
-- Retrieval info: PRIVATE: SYNTH_WRAPPER_GEN_POSTFIX STRING "0"
-- Retrieval info: PRIVATE: ValidCtA NUMERIC "0"
-- Retrieval info: PRIVATE: ValidCtB NUMERIC "0"
-- Retrieval info: PRIVATE: WhichConstant NUMERIC "0"
-- Retrieval info: PRIVATE: aclr NUMERIC "1"
-- Retrieval info: PRIVATE: clken NUMERIC "1"
-- Retrieval info: PRIVATE: nBit NUMERIC "16"
-- Retrieval info: CONSTANT: LPM_DIRECTION STRING "ADD"
-- Retrieval info: CONSTANT: LPM_HINT STRING "ONE_INPUT_IS_CONSTANT=NO,CIN_USED=NO"
-- Retrieval info: CONSTANT: LPM_PIPELINE NUMERIC "1"
-- Retrieval info: CONSTANT: LPM_TYPE STRING "LPM_ADD_SUB"
-- Retrieval info: CONSTANT: LPM_WIDTH NUMERIC "16"
-- Retrieval info: USED_PORT: aclr 0 0 0 0 INPUT NODEFVAL aclr
-- Retrieval info: USED_PORT: clken 0 0 0 0 INPUT NODEFVAL clken
-- Retrieval info: USED_PORT: clock 0 0 0 0 INPUT NODEFVAL clock
-- Retrieval info: USED_PORT: dataa 0 0 16 0 INPUT NODEFVAL dataa[15..0]
-- Retrieval info: USED_PORT: datab 0 0 16 0 INPUT NODEFVAL datab[15..0]
-- Retrieval info: USED_PORT: result 0 0 16 0 OUTPUT NODEFVAL result[15..0]
-- Retrieval info: CONNECT: result 0 0 16 0 @result 0 0 16 0
-- Retrieval info: CONNECT: @dataa 0 0 16 0 dataa 0 0 16 0
-- Retrieval info: CONNECT: @datab 0 0 16 0 datab 0 0 16 0
-- Retrieval info: CONNECT: @clock 0 0 0 0 clock 0 0 0 0
-- Retrieval info: CONNECT: @aclr 0 0 0 0 aclr 0 0 0 0
-- Retrieval info: CONNECT: @clken 0 0 0 0 clken 0 0 0 0
-- Retrieval info: LIBRARY: lpm lpm.lpm_components.all
-- Retrieval info: GEN_FILE: TYPE_NORMAL lpm_add_sub2.tdf TRUE
-- Retrieval info: GEN_FILE: TYPE_NORMAL lpm_add_sub2.inc TRUE
-- Retrieval info: GEN_FILE: TYPE_NORMAL lpm_add_sub2.cmp FALSE
-- Retrieval info: GEN_FILE: TYPE_NORMAL lpm_add_sub2.bsf TRUE FALSE
-- Retrieval info: GEN_FILE: TYPE_NORMAL lpm_add_sub2_inst.tdf FALSE
-- Retrieval info: GEN_FILE: TYPE_NORMAL lpm_add_sub2_waveforms.html TRUE
-- Retrieval info: GEN_FILE: TYPE_NORMAL lpm_add_sub2_wave*.jpg FALSE
-- Retrieval info: LIB_FILE: lpm