-- megafunction wizard: %IIR Filter%
-- GENERATION: STANDARD
-- VERSION: WM1.0
-- MODULE: Biquad Biquad0
-- MODULE: Biquad Biquad1

-- ============================================================
-- File Name: iirfilter50.tdf
-- Megafunction Name(s):
-- 			Biquad
-- ============================================================
-- ************************************************************
-- THIS IS A WIZARD GENERATED FILE. DO NOT EDIT THIS FILE!
-- ************************************************************


--	Copyright (C) 1988-2001 Altera Corporation

--	Any megafunction design, and related net list (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, net list, 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,
--	net list, 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.

INCLUDE "biquad.inc";



SUBDESIGN iirfilter50
(
	xin[11..0]	 : INPUT;
	srst	 : INPUT = VCC;
	clken	 : INPUT = VCC;
	clock	 : INPUT = VCC;
	yout[11..0]	 : OUTPUT;
)

VARIABLE

	Biquad0_component : biquad WITH (
			nInputWidth = 12,
			nOutputWidth = 21,
			nOutputLsb = 14,
			bRoundFF = 1,
			bSaturateFF = 1,
			RegXin = 1,
			nCoefWidth = 14,
			nTdlWidth = 22,
			nFbLsb = 13,
			bRoundFb = 1,
			bSaturateFb = 1,
			FCA = 131139,
			FCB = 0,
			FCC = 131005,
			BCA = 147152,
			BCB = 123011,
			BCC = 131072,
			nCoefFf = 8,
			nCoefFb = 14
			);

	Biquad1_component : biquad WITH (
			nInputWidth = 21,
			nOutputWidth = 12,
			nOutputLsb = 11,
			bRoundFF = 1,
			bSaturateFF = 1,
			RegXin = 0,
			nCoefWidth = 14,
			nTdlWidth = 22,
			nFbLsb = 13,
			bRoundFb = 1,
			bSaturateFb = 1,
			FCA = 131149,
			FCB = 0,
			FCC = 130995,
			BCA = 147078,
			BCB = 123031,
			BCC = 131072,
			nCoefFf = 8,
			nCoefFb = 14
			);

BEGIN

	Biquad1_component.srst = srst;
	Biquad1_component.clken = clken;
	Biquad1_component.xin[20..0] = Biquad0_component.yout[20..0];
	Biquad1_component.clock = clock;
	yout[11..0] = Biquad1_component.yout[11..0];
	Biquad0_component.srst = srst;
	Biquad0_component.clken = clken;
	Biquad0_component.xin[11..0] = xin[11..0];
	Biquad0_component.clock = clock;
END;



-- ============================================================
-- CNX file retrieval info
-- ============================================================
-- Retrieval info: PRIVATE: nIirOrder NUMERIC "4"
-- Retrieval info: PRIVATE: dScalingFactor STRING "8192.000000"
-- Retrieval info: PRIVATE: nInputWidth NUMERIC "12"
-- Retrieval info: PRIVATE: nOutputWidth NUMERIC "12"
-- Retrieval info: PRIVATE: nCoefWidth NUMERIC "14"
-- Retrieval info: PRIVATE: bYoutFullPrec NUMERIC "0"
-- Retrieval info: PRIVATE: bRoundOutput NUMERIC "1"
-- Retrieval info: PRIVATE: bSaturateOutput NUMERIC "1"
-- Retrieval info: PRIVATE: nOutputLsb NUMERIC "11"
-- Retrieval info: PRIVATE: nBiOutputWidth NUMERIC "9"
-- Retrieval info: PRIVATE: nBiOutputLsb NUMERIC "14"
-- Retrieval info: PRIVATE: nTdlWidth NUMERIC "22"
-- Retrieval info: PRIVATE: nFbLsb NUMERIC "13"
-- Retrieval info: PRIVATE: nScalingType NUMERIC "2"
-- Retrieval info: PRIVATE: bRoundFF NUMERIC "1"
-- Retrieval info: PRIVATE: bSaturateFF NUMERIC "1"
-- Retrieval info: PRIVATE: bRoundFB NUMERIC "1"
-- Retrieval info: PRIVATE: bSaturateFB NUMERIC "1"
-- Retrieval info: PRIVATE: bDirectForm NUMERIC "0"
-- Retrieval info: PRIVATE: bCascStruct NUMERIC "1"
-- Retrieval info: PRIVATE: nLatency NUMERIC "1"
-- Retrieval info: PRIVATE: bPowerOf2 NUMERIC "1"
-- Retrieval info: PRIVATE: bImpulse NUMERIC "0"
-- Retrieval info: PRIVATE: bStep NUMERIC "0"
-- Retrieval info: PRIVATE: bRandom NUMERIC "1"
-- Retrieval info: PRIVATE: dGain STRING "0.490900"
-- Retrieval info: PRIVATE: dBqNum0_0 STRING "0.008141"
-- Retrieval info: PRIVATE: dBqDenom0_0 STRING "1.000000"
-- Retrieval info: PRIVATE: dBqNum0_1 STRING "0.000000"
-- Retrieval info: PRIVATE: dBqDenom0_1 STRING "1.962927"
-- Retrieval info: PRIVATE: dBqNum0_2 STRING "-0.008141"
-- Retrieval info: PRIVATE: dBqDenom0_2 STRING "-0.983984"
-- Retrieval info: PRIVATE: dBqNum1_0 STRING "0.009347"
-- Retrieval info: PRIVATE: dBqDenom1_0 STRING "1.000000"
-- Retrieval info: PRIVATE: dBqNum1_1 STRING "0.000000"
-- Retrieval info: PRIVATE: dBqDenom1_1 STRING "1.953833"
-- Retrieval info: PRIVATE: dBqNum1_2 STRING "-0.009347"
-- Retrieval info: PRIVATE: dBqDenom1_2 STRING "-0.981626"
-- Retrieval info: CONSTANT: nInputWidth NUMERIC "12" Biquad0
-- Retrieval info: CONSTANT: nOutputWidth NUMERIC "21" Biquad0
-- Retrieval info: CONSTANT: nOutputLsb NUMERIC "14" Biquad0
-- Retrieval info: CONSTANT: bRoundFF NUMERIC "1" Biquad0
-- Retrieval info: CONSTANT: bSaturateFF NUMERIC "1" Biquad0
-- Retrieval info: CONSTANT: RegXin NUMERIC "1" Biquad0
-- Retrieval info: CONSTANT: nCoefWidth NUMERIC "14" Biquad0
-- Retrieval info: CONSTANT: nTdlWidth NUMERIC "22" Biquad0
-- Retrieval info: CONSTANT: nFbLsb NUMERIC "13" Biquad0
-- Retrieval info: CONSTANT: bRoundFb NUMERIC "1" Biquad0
-- Retrieval info: CONSTANT: bSaturateFb NUMERIC "1" Biquad0
-- Retrieval info: CONSTANT: FCA NUMERIC "131139" Biquad0
-- Retrieval info: CONSTANT: FCB NUMERIC "0" Biquad0
-- Retrieval info: CONSTANT: FCC NUMERIC "131005" Biquad0
-- Retrieval info: CONSTANT: BCA NUMERIC "147152" Biquad0
-- Retrieval info: CONSTANT: BCB NUMERIC "123011" Biquad0
-- Retrieval info: CONSTANT: BCC NUMERIC "131072" Biquad0
-- Retrieval info: CONSTANT: nCoefFf NUMERIC "8" Biquad0
-- Retrieval info: CONSTANT: nCoefFb NUMERIC "14" Biquad0
-- Retrieval info: CONSTANT: nInputWidth NUMERIC "21" Biquad1
-- Retrieval info: CONSTANT: nOutputWidth NUMERIC "12" Biquad1
-- Retrieval info: CONSTANT: nOutputLsb NUMERIC "11" Biquad1
-- Retrieval info: CONSTANT: bRoundFF NUMERIC "1" Biquad1
-- Retrieval info: CONSTANT: bSaturateFF NUMERIC "1" Biquad1
-- Retrieval info: CONSTANT: RegXin NUMERIC "0" Biquad1
-- Retrieval info: CONSTANT: nCoefWidth NUMERIC "14" Biquad1
-- Retrieval info: CONSTANT: nTdlWidth NUMERIC "22" Biquad1
-- Retrieval info: CONSTANT: nFbLsb NUMERIC "13" Biquad1
-- Retrieval info: CONSTANT: bRoundFb NUMERIC "1" Biquad1
-- Retrieval info: CONSTANT: bSaturateFb NUMERIC "1" Biquad1
-- Retrieval info: CONSTANT: FCA NUMERIC "131149" Biquad1
-- Retrieval info: CONSTANT: FCB NUMERIC "0" Biquad1
-- Retrieval info: CONSTANT: FCC NUMERIC "130995" Biquad1
-- Retrieval info: CONSTANT: BCA NUMERIC "147078" Biquad1
-- Retrieval info: CONSTANT: BCB NUMERIC "123031" Biquad1
-- Retrieval info: CONSTANT: BCC NUMERIC "131072" Biquad1
-- Retrieval info: CONSTANT: nCoefFf NUMERIC "8" Biquad1
-- Retrieval info: CONSTANT: nCoefFb NUMERIC "14" Biquad1
-- Retrieval info: USED_PORT: xin 0 0 12 0 INPUT NODEFVAL xin[11..0]
-- Retrieval info: USED_PORT: srst 0 0 0 0 INPUT VCC srst
-- Retrieval info: USED_PORT: clken 0 0 0 0 INPUT VCC clken
-- Retrieval info: USED_PORT: clock 0 0 0 0 INPUT VCC clock
-- Retrieval info: USED_PORT: yout 0 0 12 0 OUTPUT NODEFVAL yout[11..0]
-- Retrieval info: CONNECT: Biquad0@srst 0 0 0 0 srst 0 0 0 0
-- Retrieval info: CONNECT: Biquad0@clken 0 0 0 0 clken 0 0 0 0
-- Retrieval info: CONNECT: Biquad0@clock 0 0 0 0 clock 0 0 0 0
-- Retrieval info: CONNECT: Biquad1@srst 0 0 0 0 srst 0 0 0 0
-- Retrieval info: CONNECT: Biquad1@clken 0 0 0 0 clken 0 0 0 0
-- Retrieval info: CONNECT: Biquad1@clock 0 0 0 0 clock 0 0 0 0
-- Retrieval info: CONNECT: Biquad1@xin 0 0 21 0 Biquad0@yout 0 0 21 0
-- Retrieval info: CONNECT: Biquad0@xin 0 0 12 0 xin 0 0 12 0
-- Retrieval info: CONNECT: yout 0 0 12 0 Biquad1@yout 0 0 12 0