MITSUBISHI SOUND PROCESSORS PRELIMINARY M62465FP Notice ; This is not a f inal specif ication. some parametric limits are subject to change. Dolby Pro Logic Surround DESCRIPTION Outline The M62465FP is a single chip LSI supporting the Dolby Prolgic surround.This LSI contains all functions necessary for Dolby Pro Logic surround. In addition,it has Digtal Space Surround functions (Disco,Hall,Live mode etc.) and echo function for karaoke. Note:Use of this LSI requires the license of Dolby Laboratories Licensing Corporation Dolby and the double-D sy m bol are trademarks of D olby Laboratories Licensing Corporation.San Francisco,CA94103-4813,USA. This dev ice av ailable only to licensees of Dolby Lab. Licensing and application inf ormation may be obtained f rom Dolby Lab. Outline 80P6N 0.8mm pich QFP (20.0mm×14.0mm×2.8mm) Features (Mode) Upper compatible for M62460FP and less external parts than M62460FP. Includes all functions requires for Dolby Pro Logic Surround. •Adaptive Matrix. •Noise Sequencer by digital noise source and switched capacitor filter. •Center Mode Control(Wide/Normal/PHANTOM/OFF). •Modified Dolby B Type Noise Reduction. •4ch/3ch Stereo Selectable. •Digital Delay: 15.4, 20, 28.6ms for Dolby Pro Logic Surround. C/Sch T rimmer: 0 to -31dB/1dB Step. Digital Space Surround Mode: Disco/Hall/Live mode and 5 delay time positions. Digital Echo function for KARAOKE: (Short echo) Delay time=147.5ms, (Long echo) Delay time=196.6ms. BY-PASS Mode: Input signal through output. System Configuration Lch IN L Input AutoBalance Control Adaptiv e Matrix Rch IN L R C S L+ R 2 L-R 2 Digital Noise Sequencer 7kHz LPF LPF-IN Digital Delay Modified S Dolby B-NR LPF-OUT Lch Center/ operating mode control R Center T rim Surround T rim NR-IN MCU Interf ace MIC IN DATA SCK REQ MITSUBISHI ELECTRIC ( 1 / 24 ) C Master Volume Control Rch CENTER S SURROUND MITSUBISHI SOUND PROCESSORS PRELIMINARY M62465FP Notice ; This is not a f inal specif ication. some parametric limits are subject to change. Dolby Pro Logic Surround PIN CONFIGURATION FILTER RLC8 LOUT RLC3 ROUT RLC7 CT RLC4 COUT RLC1 ST RLC2 SOUT RLC5 CMC PSC4 SMRO PSC1 SMRI PSC5 AGND PSC2 MIC IN PSC6 DVdd PSC3 TEST CNT DBC3 DATA DBC2 SCK DBC1 REQ LPIN LO1 DBIN LO2 S' OUT LO3 FBIN SU XIN FBIN EC XOUT DELAY SIG OUT DVss DELAY SIG IN AVss VOL OUT (Note) The function of pin No. 1,79,80 is different from that of M62460FP. MITSUBISHI ELECTRIC ( 2 / 24 ) MITSUBISHI SOUND PROCESSORS PRELIMINARY M62465FP Notice ; This is not a f inal specif ication. some parametric limits are subject to change. Dolby Pro Logic Surround BLOCK DIAGRAM FILTER LOUT 1/2 Vcc IREF VREF RLC8 Digital NOISE RLC3 SEQUENCER ROUT L+R L-R RLC7 SELECTOR1 CT RLC4 COUT RLC1 ST RLC2 VCA SOUT RLC5 COMBINNING CMC PSC4 NETWORKS SMRO PSC1 SMRI PSC5 AGND PSC2 L-R 2 MIC IN L+R 2 PSC6 DVdd PSC3 TEST CNT DBC3 DATA DBC2 SCK DBC1 MIC REQ LPIN 16kSRAM LO1 DBIN LO2 S' OUT MOS LO3 SFB FBIN SU EC LOGIC XIN SU FBIN EC MIX DELAY SIG OUT XOUT DVss LPF A/D AVss D/A LPF DELAY SIG IN VOL OUT (Note) The function of pin No. 1,79,80 is different from that of M62460FP. MITSUBISHI ELECTRIC ( 3 / 24 ) MITSUBISHI SOUND PROCESSORS PRELIMINARY M62465FP Notice ; This is not a f inal specif ication. some parametric limits are subject to change. Dolby Pro Logic Surround Discription of pin No. Symbol Funtion Voltage Equivalent circuit Discription of pin Vcc 2 LOUT Lch output 3 ROUT Rch output 4 CT Direct output R-/ Lchannel when the operation mode is BY -PASS. 4V When the mode is 4channel, they output Dolby prologic R-/ L-channel signals. 2 3 No output any signals Vcc when the operation mode is center mode is OFF or set to PHANTOM. Cch output 4V 5 4 5 6 COUT ST Cch output COUT is output from C.Trimmer. Sch output This pin output surrund signals.Output is selected Vcc f rom BNRout,Dout No output signal when the operation mode is 3STEREO/MUTE. 4V 7 SOUT Sch output 6 SOUT is output from S.Trimmer. Vcc 9 SMRO amplifier output 9 This is a amplifier to 4V control mixed level of surround output with external resistance. 10 SMRI amplifier input Vcc 10 MITSUBISHI ELECTRIC ( 4 / 24 ) 7 MITSUBISHI SOUND PROCESSORS PRELIMINARY M62465FP Notice ; This is not a f inal specif ication. some parametric limits are subject to change. No. Symbol Funtion Dolby Pro Logic Surround Voltage Equivalent circuit Discription of pin Vcc 12 MIC IN MIC input 4V 14 TEST CNT TEST control 0 15 16 DATA SCK 17 REQ 18 LO1 Microphone input with ECHO MODE Fixed to GND serial data "DATA" input 14 buffer 15 buffer input via serial data from MCU. serial data "SCK" input serial data "REQ" input 12 16 0 17 buffer 18 port output 19 20 Open collector output pin (NPN Tr) 19 LO2 20 LO3 21 XIN Osillator input 22 XOUT Osillator output 26 VREFD 1/2 Vcc output. reference output 2.5V Connect a filter capacitor. connect 4 - MHz ceramic resonator 21 MITSUBISHI ELECTRIC ( 5 / 24 ) 26 22 MITSUBISHI SOUND PROCESSORS PRELIMINARY M62465FP Notice ; This is not a f inal specif ication. some parametric limits are subject to change. No. Symbol Funtion Dolby Pro Logic Surround Voltage Discription of pin Equivalent circuit Vcc 27 28 40 MIX OUT DELAY IN LPF2 OUT S',L+R,L-R and MIC output 4V delay input This is s delay input. 2.5V Please input by AC cuppring. VOL OUT 27 28 delay signal output delay signal output 2.5V 41 Signal output precedent to delay generator. that is S',L+R,L-R and MIC output. output of a delay volum 40 This is output of a delay volum that possible to control +3dB to -∞ . 41 Vcc 42 4V DELAYSIG IN Delay signal input to a mixing amplifier 42 Vcc 43 DELAYSIG OUT input from mixing 4V amplifier Delay signal output from a mixing amplifier 43 Vcc 44 Feedback signal input with ECHO MODE FBIN EC Feedback signal input 45 FBIN SU 4V 44 Feedback signal input with SURROUND MODE MITSUBISHI ELECTRIC ( 6 / 24 ) 45 MITSUBISHI SOUND PROCESSORS PRELIMINARY M62465FP Notice ; This is not a f inal specif ication. some parametric limits are subject to change. No. 46 Symbol S'OUT Funtion Sch output Dolby Pro Logic Surround Voltage 4V Discription of pin Sorround channel output precedent to delay generator. Always outputs signals,irrespectiv of the operation mode (2-/3-/4-channel) Equivalent circuit Vcc 46 Vcc 47 DBIN LPF output 47 48 LPIN Negative input of LPF This amplifier compornent 7KHz-LPF 4V with external resistances and capaciters. LPF output is conected to input of Modifide BNR. Vcc 48 Vcc 72 LIN Lch input 4V 73 RIN Rch input Input of Lch and Rch that is non-inverted input type. Please pul-up to VREF by external resistances for DC bias. 72 73 Vcc 70 LT Autobalance Lch output 4V 71 RT Autobalance output. Autobalance Rch output 70 71 MITSUBISHI ELECTRIC ( 7 / 24 ) MITSUBISHI SOUND PROCESSORS PRELIMINARY M62465FP Notice ; This is not a f inal specif ication. some parametric limits are subject to change. No. 76 Symbol VREFA Funtion Dolby Pro Logic Surround Voltage Discription of pin Equivalent circuit It is a reference voltage input terminal to each circuit inside the IC. reference voltage input 76 Vcc 77 VREFG reference voltage output 4V Ref erence v oltage output. Voltage is the f ixed at 4V. 77 Vcc 1 FILTER New future of M62465FP 79 REF OUT 1/2Vcc 1/2 Vcc The terminal which make a 1/2Vcc voltage by the resistance. When it is used,a filter capacitor is connected. Auxiliary 1/2Vcc reference generator. 1/2Vcc output New future of M62465FP 1 Vcc 1/2Vcc voltage output. 1/2 It is used to change Vcc reference voltage except 4V. 79 Vcc 80 NSQ New future of M62465FP Noise sequencer monitor Noise sequencer 4V monitor output. It is only for test. MITSUBISHI ELECTRIC ( 8 / 24 ) 80 MITSUBISHI SOUND PROCESSORS PRELIMINARY M62465FP Notice ; This is not a f inal specif ication. some parametric limits are subject to change. Dolby Pro Logic Surround ABSOLUTE MAXIMUM RATINGS Symbol Vcc VDD Pd Kθ Topr Tstg Parameter Test conditions Supply v oltage standard board Power dissipation Ta≥25ºC Thermal derating Operating temperature Storage temperature Limits Unit 10.5 6.5 1.37 13.7 -20 to +75 -40 to +125 V V W mW/ºC ºC ºC TERMAL DERATING 1.5 1.37 1.0 0.685 0.5 0 0 25 50 75 100 125 150 AMBIENT TEMPERATURE Ta (ºC) Standard board 70mm×70mm • board size • board thickness 1.6mm • board material glass epoxy • copper pattern 18µm copper thickness 0.25mm(width) copper size 30mm(length / lead) RECOMMENDED OPERATING CONDITION Symbol Vcc VDD fck Parameter Conditions Analog supply v oltage Digital supply v oltage OSC clock Min 8.0 4.5 MITSUBISHI ELECTRIC ( 9 / 24 ) Ratings Typ 9.0 5.0 4 Max Unit 10.0 5.5 V V MHz MITSUBISHI SOUND PROCESSORS PRELIMINARY M62465FP Notice ; This is not a f inal specif ication. some parametric limits are subject to change. Dolby Pro Logic Surround ELECTRICAL CHARACTERRISTICS (DECODER) Vcc=9V,VDD=5V Symbol 0dB Reference=300mVrms/1KHz at C-OUT unless otherwise noted.(Cch Trimmer=0dB) Parameter Conditions Min Limits Typ Max Unit Overall Icc Circuit Current Quiescent 25 50 mA IDD Circuit Current Quiescent 25 50 mA 4.0 4.5 V Reference Voltage Vref Input Auto Balance CPR Quiescent 3.5 Capture Range Error Correction CER Adaptive Matrix L, R, S'ch out MR Output Level Accuracy relative to C ch Matrix Rejection relative HRAM Headroom THDAM Total Harmonic Distortion ∆VoL SNAM NopAM dB 0 L, R, C, S'ch out 25 40 dB L, R, C, S' out 15 17 dB L, Rch out 4ch mode 2ch mode Rg=0Ω,weighted CCIR/AMR 4ch mode Peak Noise dB ±4 -0.5 L, R, C, S'ch out Signal to Noise Ratio ±5 L, Rch out 2ch mode measurement time =40msec 75 95 0.5 0.05 0.2 0.002 80 0.05 ±0.3 ±0.3 2ch mode % dB 100 4ch mode dB mV0-p Noise Sequencer (0dBd Reference is input at NR-IN when adjust to 0dB (300mVrms/100Hz) at S out. Vno ∆Vno Vnop Output Noise Level Output Level Accuracy relative to C ch Output Noise peak L, R, S'ch out -15 -12.5 -10 dB -0.5 0 0.5 dB ±550 mV0-p measurement time=6sec Modified B type Noise Reduction 9.2 dB VGNR DEC1 Voltage Gain Vin=0dBd,f =100Hz Decode Responce 1 DEC2 Vin=0dBd,f=1.0kHz Vin=-15dBd,f=1.4kHz -1.6 -3.0 -0.1 -1.5 1.4 Decode Responce 2 DEC3 Decode Responce 3 Vin=-20dBd,f=1.4kHz -4.9 -3.4 -1.9 Decode Responce 4 Vin=-40dBd,f=5.0kHz -6.8 -5.3 -3.8 0.3 DEC4 THDNR HRNR SNNR NoPNR Total Harmonic Distortion Vin=0dBd,f=1kHz Headroom THD=1% 15 0.0 717 Signal to Noise Ratio Rg=0Ω, weighted CCIR/AMR 73 78 Peak Noise measurement time=40msec 0 dB % dB ±0.3 dB mV0-p C,S ch Trimmer ATT -12dB attenuation level:-12dB Digital Input=-12 -14 -12 -10 dB ATT max Digital Input=-31 -37 0.6 -31 1.0 -25 1.4 dB dB 0.05 0.2 % Maximum attenuation TS Trimmer step Surround (L+R,L-R) <MIXOUT > THDSU Total Harmonic Distortion Vin=0dBd,f=1kHz SNSU Signal to Noise Ratio Rg=0Ω, weighted CCIR/AMR MITSUBISHI ELECTRIC ( 10 / 24 ) 85 90 dB MITSUBISHI SOUND PROCESSORS PRELIMINARY M62465FP Notice ; This is not a f inal specif ication. some parametric limits are subject to change. Dolby Pro Logic Surround ELECTRICAL CHARACTERRISTICS (DIGITAL DELAY) (Ta=25•C,Vcc=9V,VDD=5V,Vin=200mVrms, fck=4MHz unless otherwise noted) Conditions Parameter Symbol Limits Min Typ Max 12.4 15.4 18.4 17.0 20.0 23.0 25.6 28.6 31.6 38.0 41.0 44.0 46.2 49.2 52.2 137.5 147.5 157.5 186.6 196.6 206.6 Unit Digital Delay Td Gv THD Delay time See Delay time contorol (15/24) f ordelay time setting. Input-output gain Output distortion -3.0 30kHz LPF Vomax Maximum output voltage 30kHz No Output noise voltage 0 3.0 Td=15.4ms 0.3 0.6 Td=20.0ms 0.3 0.6 Td=28.6ms 0.5 1.0 Td=41.0ms 0.6 1.2 Td=49.2ms 0.7 1.4 Td=147.5ms 1.5 3.0 Td=196.6ms 2.0 4.0 LPF,THD=10% Rg=620Ω, Vi=0mVrms, IHF-A 0.7 1.0 ms dB % Vrms Td=15.4ms -92 -80 Td=20.0ms -92 -80 Td=28.6ms -92 -80 Td=41.0ms -90 -75 Td=49.2ms -90 -75 Td=147.5ms -82 Td=196.6ms -77 -67 -62 dBv Delay Volume (VOL OUT) Gv Input-output gain Volume max ATTmax Maximum attenuation Delay of f mode,Volume min,IHF-A MITSUBISHI ELECTRIC ( 11 / 24 ) 0 3 -70 6 dB -60 dB MITSUBISHI SOUND PROCESSORS PRELIMINARY M62465FP Notice ; This is not a f inal specif ication. some parametric limits are subject to change. Dolby Pro Logic Surround TEST CIRCUIT MITSUBISHI ELECTRIC ( 12 / 24 ) MITSUBISHI SOUND PROCESSORS PRELIMINARY M62465FP Notice ; This is not a f inal specif ication. some parametric limits are subject to change. Dolby Pro Logic Surround DIGITAL CONTROL SPECIFICATIONS (1)DATA TIMING REQ t7 t4 t2 t3 SCK t5 t6 t1 0 DATA 1 2 3 4 5 6 7 8 9 10 11 (note1) SCK is diseble when REQ is high (Note2)REQ must turn to high after SCK pulse turn to high. Symbol t1 t2 t3 t4 t5 t6 t7 t8 Min Name SCK clock duration SCK "H" pulse width SCK "L" pulse width REQ hold time DATA setup time DATA hold time SCK setup time Typ Max Unit µs µs µs µs µs µs µs µs 2 0.8 0.8 1.6 0.8 0.8 0.8 1.6 REQ "H" pulse width (2)DATA FORMAT Serial Data Format ADDRESS DATA BIT 0 BIT 1 BIT 2 BIT 3 BIT 4 BIT 5 BIT 6 BIT 7 BIT 8 BIT 9 BIT 10 BIT 11 ADD/SUB NOISE SEQ SELECTOR2 SELECTOR1 SELECTOR3 MIX LO1 CENTER MODE LO2 S2 S3 V1 No use 0 0 No use 0 1 1 0 1 1 Sch. TRIMMER Cch. TRIMMER S1 LO3 V2 V3 V4 SFB MITSUBISHI ELECTRIC ( 13 / 24 ) MOS MIC t8 MITSUBISHI SOUND PROCESSORS PRELIMINARY M62465FP Notice ; This is not a f inal specif ication. some parametric limits are subject to change. Dolby Pro Logic Surround (3)DECODER ♦ ADDRESS(BIT10,11)=0,0 ADD/SUB NOISE SEQ mode BIT1 mode BIT2 SELECTOR1 mode BIT4 CENTER MODE mode BIT6 BIT7 mode BIT0 ADD 0 OFF 0 L 0 0 PRO LOGIC 0 0 WIDE 0 0 SUB 1 ON 1 C 0 1 BY -PASS 0 1 NORMAL 0 1 R 1 0 0 PHANTOM 1 0 S 1 1 OTHER SUR L/R MUTE 1 1 1 OFF 1 1 BIT3 BIT5 ♦ ADDRESS(BIT10,11)=0,1 SELECTOR2 mode BIT0 SELECTOR3 mode BIT2 BIT1 DELAY MIX SWITCH S' L+R 0 0 BNR OUT 0 BIT3 0 0 1 D OUT 0 1 L-R 1 0 3STEREO/MUTE 1 0 MIC 1 1 1 1 BIT4(MIX) DMIXSW 0 1 OFF ON Remarks Mixing OFF Mixing ON LO(LOGIC DATA OUT) Open Collector BIT5 BIT6 BIT7 mode (LO1) (LO2) (LO3) OUTPUT DATA "L" 0 0 0 OUTPUT DATA "H" 1 1 1 •ADDRESS(BIT10,11)=1,0 DATA 0 1 BIT0 ±0dB –1dB Cch. TRIMMER BIT1 BIT2 BIT3 Sch. TRIMMER BIT6 BIT7 BIT4 DATA ±0dB ±0dB ±0dB ±0dB ±0dB –1dB –2dB –4dB –8dB –16dB ±0dB ±0dB ±0dB ±0dB 0 –2dB –4dB –8dB –16dB 1 BIT5 BIT8 Volume code C(S)ch. TRIMMER ATT(dB) BIT0(5) BIT1(6) BIT2(7) BIT3(8) BIT4(9) ATT(dB) BIT0(5) BIT1(6) BIT2(7) BIT3(8) BIT4(9) –16 ±0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 1 –17 1 0 0 0 0 –1 –2 0 1 0 0 0 –18 0 1 0 0 1 –3 1 1 0 0 1 1 1 0 0 0 –19 –20 –4 0 0 1 0 1 0 0 1 0 0 –21 1 0 1 0 0 1 0 1 0 1 –5 –22 –6 0 1 1 0 0 0 1 1 0 1 –23 –7 1 1 1 0 0 1 1 1 0 1 0 0 0 1 1 –24 –8 0 0 0 1 0 1 0 0 1 1 –25 –9 1 0 0 1 0 0 1 0 1 0 –10 0 1 0 1 1 –26 –11 1 1 0 1 1 1 1 0 1 0 –27 –12 0 0 0 1 1 1 0 0 1 1 –28 –13 –29 1 0 1 1 1 1 0 1 1 0 –30 0 1 1 1 0 –14 0 1 1 1 1 –15 1 1 1 1 1 1 1 1 1 0 –31 MITSUBISHI ELECTRIC ( 14 / 24 ) BIT9 MITSUBISHI SOUND PROCESSORS PRELIMINARY M62465FP Notice ; This is not a f inal specif ication. some parametric limits are subject to change. Dolby Pro Logic Surround (4)DELAY ADDRESS(BIT10,11)=1,1 VOLUME CONTROL DELAY TIME CONTROL Delay LPF BIT0 (S1) BIT1 (S2) BIT2 (S3) 0 0 0 0 0 1 0 1 0 0 1 1 1 0 0 1 0 1 15.4 ms ( 1MHz ) 20.0 ms ( 667kHz ) 28.6 ms ( 500kHz ) 41.0 ms ( 400kHz ) 49.2 ms ( 333kHz ) 147.5 ms ( 111.1kHz ) 1 1 0 196.6 ms ( 83.3kHz ) 1 1 1 Delay of f mode (clock of f ) DELAY TIME (Sampling frequency) BIT3 (V1) (Cut-off frequency) 1 1 1 1 7.0kHz 1 1 1 1 0 3.0kHz 0 0 FEEDBACK SWITCH BIT7(SFB) 0 0 0 0 0 Remarks SFB SW 0 1 OFF ON (In surround mode only) Feedback OFF Feedback ON MODE SELECTOR BIT8(MOS) MODESEL 0 SU line EC line 1 BIT4 (V2) 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 BIT5 (V3) BIT6 (V4) VOL attenuation 1 1 0 0 1 1 0 0 1 1 0 0 1 1 1 0 1 0 1 +3dB 0 1 0 1 0 1 0 1 0 -6dB 0 0 1 0 MICROPHONE MIXING SWITCH BIT9(MIC) MICMIXSW OFF ON 0 1 Remarks Mic mixing OFF Mic mixing ON (Note1)Settings in power up When power is turned on, data is setting in under table by power on reset circuit. Mode DECODER Settings ADD/SUB NOISE SEQ SELECTOR1 CENTER MODE SELECTOR2 SELECTOR3 LO(LOGIC OUT) Cch.TRIMMER Sch.TRIMMER ADD OFF PRO LOGIC WIDE S' BNR OUT "L" 0dB, ATT(-) 0dB, ATT(-) DELAY Mode DELAY TIME CONTROL VOLUME CONTROL FEEDBACK SWITCH MODE SELECTOR DELAY MIX SWITCH MICROPHONE MIXING SWITCH (Note2) The digital the noise sequencer stop when the clock is off. MITSUBISHI ELECTRIC ( 15 / 24 ) Settings 20.0ms –∞ OFF SU line OFF OFF 0dB -2dB -3dB -4dB -8dB -9dB -10dB -12dB -15dB –∞ –∞ –∞ –∞ –∞ MITSUBISHI SOUND PROCESSORS PRELIMINARY M62465FP Notice ; This is not a f inal specif ication. some parametric limits are subject to change. Dolby Pro Logic Surround MITSUBISHI ELECTRIC ( 16 / 24 ) MITSUBISHI SOUND PROCESSORS PRELIMINARY M62465FP Notice ; This is not a f inal specif ication. some parametric limits are subject to change. Dolby Pro Logic Surround FUNCTION Block Diagram BY-P A S S SELECTOR1 PLOLOGIC OTHER Lout MUTE NOISE SEQUENCER Rout L Lin CENTER R MODE CONTROL C WIDE ADAPTIVE MATRIX (0 to -31dB) NORMAL PHANTOM OFF Rin S' CT SELECTOR3 +- Modifide BNR 2 (L-R) MIC BNR OUT MIC MIX S.Trimmer DOUT (0 to -31dB) Sout Dout MIC Delay Mix SW VREFA AVcc (+9V) Cout ADD/SUB 3S TEREO/MUTE SELECTOR2 (L+R) 2 C.Trimmer MOS SU Digital Deley LO1 EC LO2 MCU Interface VOL AGND LO3 + GND Echo filter 7kHz LPF AVDD VDD (+5V) 4MHz Surround filter Block name INPUT BALANCE REQ SCK DATA Function Revises a level error between the input Lch and Rch for optimum decorder performance. NOISE SEQUENCER A simple noise sequencer circuit for ajustment of output level. ADAPTIVE MATRIX Contineuously analyze the two-channel matrixed audio input to determ ine the direction and relative magnitude of encoded soundfield. CENTER MODE CONTROL C.Trimmer S.Trimmer Possible to select 4 - center mode position. (WIDE,NORMAL,PHANTOM,OFF) This is the level ajustment volum of Cch and Sch. ( 0 to -30 dB : 1dB/step ) MITSUBISHI ELECTRIC ( 17 / 24 ) MITSUBISHI SOUND PROCESSORS PRELIMINARY M62465FP Notice ; This is not a f inal specif ication. some parametric limits are subject to change. Dolby Pro Logic Surround Block name Function Modifide BNR This block restores the signal to its original spectrum while reducing noise and certain crosstalk signals in a final stage of the surround chain. ADD/SUB Select a positive phase signal or a negative phase signal with DIGITAL SPACE SURROUND MODE. SELECTOR1 This is a selective switch to select the output signal of Lout and Rout from BY-PASS,PRO LOGIC,OTHER SUR and MUTE . SELECTOR2 This is a selective switch to select the output signal of Sout from S',L+R,L-R and MIC. SELECTOR3 This is a selective switch to select the output signal of Sout from BNRout,Dout and 3STEREO/MUTE. SELECTOR4 This is a switch to connect a simple noise sequencer output to ADAPTIVE MATRIX stage for level ajust-ment. Digital Deley Make 7 kinds of delay signal s.(15.4msec to 196.6msec) The delay function and CLK signal stop at the time of DELAY OFF MODE. This mode is for suppress bad effect of digital noize. FEEDBACK This is a switch to select feedback mode(ON/OFF) for SURROUND MODE . MODE SEL(MOS) This is a switch to select a feedback signal from surround signal and echo signal. VOL Control the ATT level of delay signal from 3dB to -∞ (12-step) MIC MIX This is a switch to mix miclophone signal to a main signal (Lch,Rch). Delay Mix SW This is a switch to select output or not a m ixed signal to DOUT pin. MITSUBISHI ELECTRIC ( 18 / 24 ) MITSUBISHI SOUND PROCESSORS PRELIMINARY M62465FP Notice ; This is not a f inal specif ication. some parametric limits are subject to change. Dolby Pro Logic Surround LEVEL DIAGRAM •Dolby Pro Logic mode Sout Gv 0dB(300mV) 3dB 0dB(300mV) 9.2dB VCC=9V Vcc=9V VDD=5V Vref =4V Vref =4V Vref=2.5V GND Lin ADAPTIVE MATRIX INPUT BALANCE Rin S' ATT -3.2dB -6dB Digital Delay Modif ied BNR SOUT Lout,Rout,Cout Gv 3dB 0dB(300mV) Vcc=9V Vref =4V Cout GND 0dB(300mV) Gv Vcc=9V Vref =4V Lout,Rout GND Lin Rin INPUT BALANCE ADAPTIVE MATRIX CENTER MODE CONTROL MITSUBISHI ELECTRIC ( 19 / 24 ) Cout Lout Rout MITSUBISHI SOUND PROCESSORS PRELIMINARY M62465FP Notice ; This is not a f inal specif ication. some parametric limits are subject to change. Dolby Pro Logic Surround •Digital Space Surround mode Sout Gv 0dB(300mV) 0dB(300mV) 3dB VCC=9V Vcc=9V VDD=5V Vref =4V Vref =4V GND Vref=2.5V Lin L+R 2 Rin L-R 2 ATT -3.2dB Digital Delay SOUT SELECTOR3 SELECTOR2 Lout,Rout 0dB(300mV) Gv Vcc=9V Vref =4V Lout,Rout GND Lin Rin INPUT BALANCE ADAPTIVE MATRIX CENTER MODE CONTROL MITSUBISHI ELECTRIC ( 20 / 24 ) Lout Rout MITSUBISHI SOUND PROCESSORS PRELIMINARY M62465FP Notice ; This is not a f inal specif ication. some parametric limits are subject to change. Dolby Pro Logic Surround AUTO MUTE FUNCTION The IC carries out auto mute function at the time of powerring up, delay time setting change, and cancelling delay off mode, in order to suppress shock noise that the digital delay may produce. • At power up * Transient noise common with power up occurs. RESET TIME Power up MUTE TIME Freed from resettung Freed from muting Internal delay time setting • At delay time setting change Delay signal before change Delay signal after change MUTE TIME Freed from muting Instruction to change Internal delay delay time time change • At canceling delay off mode MUTE TIME Canceling delay off mode Freed from muting Mute time changes depending on set (or preset) delay time. MUTE TIME DELAY TIME 15.4 to 49.2 147.5 ,196.6 ms ms 123 ms 492 ms MITSUBISHI ELECTRIC ( 21 / 24 ) MITSUBISHI SOUND PROCESSORS PRELIMINARY M62465FP Notice ; This is not a f inal specif ication. some parametric limits are subject to change. Dolby Pro Logic Surround (Note) It's recommended to remove these external parts of M62460FP. (These external parts don't affect the funtion of M62465FP actually.) MITSUBISHI ELECTRIC ( 22 / 24 ) MITSUBISHI SOUND PROCESSORS PRELIMINARY M62465FP Notice ; This is not a f inal specif ication. some parametric limits are subject to change. Dolby Pro Logic Surround MITSUBISHI ELECTRIC ( 23 / 24 ) MITSUBISHI SOUND PROCESSORS PRELIMINARY M62465FP Notice ; This is not a f inal specif ication. some parametric limits are subject to change. Dolby Pro Logic Surround OPTIONAL PARTS LIST Parts No. Values Unit C1 C2 C3 C5 C6 C8 C12 C21 C22 C25 C26 C27 C29 C30 C32 C34 C35 C36 C38 C39 C40 C41 C44 C45 C47 C48 C49 C50 C51 C52 C53 C54 C55 C56 C57 C58 C59 C60 C61 C62 C63 C64 47 10 10 10 10 0.1 1 27 27 100 22 1 0.01 0.0018 0.068 0.1 0.1 0.068 0.01 0.0018 0.1 0.1 1200 470 680 0.1 0.0056 0.047 0.68 0.22 0.22 4.7 4.7 0.22 0.22 0.1 0.047 0.047 0.1 0.1 0.022 0.022 µF µF µF µF µF µF µF pF pF µF µF µF µF µF µF µF µF µF µF µF µF µF pF pF pF µF µF µF µF µF µF µF µF µF µF µF µF µF µF µF µF µF Tol. 10% 5% 5% 5% 5% 5% 5% 5% 5% 5% 10% 5% 5% 10% 10% 10% 20% 20% 10% 10% 20% 5% 5% 20% 20% 5% 5% Parts No. Values C65 C66 C67 C68 C69 C70 C71 C72 C73 C74 C75 C77 C79 0.1 680 0.1 680 0.1 0.1 0.1 10 10 22 100 220 220 R6 R9 R21 R22 RA44 RA45 R44 R45 R47 R48 R51 R66 RA66 R67 R68 RA68 R69 R72 R73 R74 R78 10 20 1 1 51 51 Vol Vol 24 24 330 47 15 7.5 47 15 7.5 22 22 4.7 100 MITSUBISHI ELECTRIC ( 24 / 24 ) Unit µF pF µF pF µF µF µF µF µF µF µF µF Tol. 20% 5% 5% 5% 5% 5% 5% 20% µF KΩ KΩ MΩ KΩ KΩ KΩ KΩ KΩ KΩ KΩ KΩ KΩ KΩ KΩ KΩ KΩ KΩ MΩ KΩ 5% 5% 10% 5% 5% 5% 5% 5% 5% 10% 1%