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MITSUBISHI SOUND PROCESSOR ICs
Dolby Pro Logic Surround Decoder with Discrete 5.1ch Analog Input
M62464BFP
DESCRIPTION
The M62464BFP is a Single Chip Dolby Pro Logic Surround Decoder with Discrete 5.1ch Analog Input. This LSI has all of required functions for Dolby Pro Logic Surround and also 5.1ch analog input for Dolby Digital.
Dolby and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.San Francisco,CA94103-4813,USA. This device available only to licensees of Dolby Lab. Licensing and application information may be obtained from Dolby Lab.
FEATURES
Outline 80P6N 0.8mm pitch QFP (20.0mmx14.0mmx2.8mm)
Includes all functions necessary for Dolby Pro Logic Surround Includes 5.1ch(L,R,C,SL,SR,SW) analog input for Dolby Digital 4ch(C,SL,SR,SW) Master Volume Digital Space Surround such as Disco, Hall and Live Pseudo Stereo Surround for Digital Space Surround Digital Echo for Karaoke Function Delay time 123,184msec 3-lines MCU control Current control oscillation circuit for system clock
SYSTEM CONFIGURATION
M62464FP
Volume
LTIN RTIN
Pro Logic Decoder
Digital Space Surround
L R C SL SR
Trimmer Volume
LOUT ROUT COUT SLOUT SROUT SWOUT
MICIN LIN RIN CIN SLIN SRIN SWIN
Digital Echo
VRSWIN
MITSUBISHI ELECTRIC 1
MITSUBISHI SOUND PROCESSOR ICs
Dolby Pro Logic Surround Decoder with Discrete 5.1ch Analog Input
M62464BFP
PIN CONFIGURATION
DAINTOUT DVOLOUT ADINTOUT DSELOUT
26
LPF2OUT
LPF1OUT
DACONT
DAINTIN
ADCONT
ADINTIN
LPF2IN2
LPF2IN1
LPF1IN2
LPF1IN1
40
30
31
39
37
36
35
33
29
28
38
34
32
27
ECHOOUT BNR IN DBC1 DBC2 DBC3 PSC3 PSC6 PSC2 PSC5 PSC1 PSC4 RLC5 RLC2 RLC1 RLC4 RLC7 RLC3 RLC8 RLC6 LBPF2 LBPF1 RBPF2 RBPF1 ABL
41
25
DVss
DIN
REQ SCK DATA DVDD MICIN AGND CMC SWVOLOUT SWVOLIN SWOUT SRVOLOUT SRVOLIN SROUT SLOUT SLVOLIN SLVOLOUT PSRIN PSLIN SOUT COUT CVOLIN CVOLOUT ROUT LOUT
42
43
45
44
46
M62464FP XXXXXX
48
47
49
50
51
52
53
54
56
55
57
58
59
60
61
62
63
64
65
68
70
74
69
71
73
75
76
77
78
79
66
67
VREF1
IREF
72
NGC1
LTIN
LIN
NGC3
RTIN
SLIN
RIN
CIN
NGC2
SWIN
AVcc
MITSUBISHI ELECTRIC
VRSWIN
SRIN
ABR
80
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
2
5.1ch
BY-PASS SPACE 2 3 1
L-SW
LIN
+
PROLOGIC MUTE
5 1 2 3 4 5 4
72
RIN
5.1ch
BLOCK DIAGRAM
73
NOISE SEQUENCER
1
LOUT
LTIN
+/PROLOGIC MUTE
74
L
BY-PASS SPACE
2
INPUT AUTOBALANCE
SELECTOR
RTIN
C-SW
1 2
75
ADAPTIVE MATRIX
C
WIDE NORMAL PHANTOM OFF
R R-SW
CENTER MODE CONTROL
ROUT
CVOL 3
CIN
SL-SW
1 2 3
76
CTRIM
CVOL OUT
SLVOL
SLIN
77
SRIN
SL SR
78
SLTRIM
SR-SW
1 2 3
9
SLVOL OUT
SRVOL
LPF A/D
D/A
LPF
MITSUBISHI ELECTRIC
S' Pseudo Stereo
1
SWIN
79
80
SRTRIM
14
SRVOL OUT
SWTRIM
2 1
VRSWIN Digital Delay 10Kbit SRAM Logic
F.B.VOL DELAYVOL
1 2 2 3
17
L+R L-R 2
Modified BNR
1
SW-SW
2
SWVOL
SWBP-SW
SWVOL OUT
S DO-SW BNR-SW
DI-SW
2
1
3
4
MICIN
20
MCU Interface
MITSUBISHI SOUND PROCESSOR ICs
M62464BFP
41
22
23
24
Dolby Pro Logic Surround Decoder with Discrete 5.1ch Analog Input
3
ECHOOUT
DATA SCK
REQ
MITSUBISHI SOUND PROCESSOR ICs
Dolby Pro Logic Surround Decoder with Discrete 5.1ch Analog Input
M62464BFP
FUNCTIONAL DESCRIPTION FUNCTION
1 Fundamental function for Dolby Pro Logic Surround Decoder
DESCRIPTION
-Adaptive Matrix -Input Auto-Balance -Noise Sequencer -Center Mode Control ON/OFF WIDE/NORMAL/PHANTOM -Modified Dolby B type Noise Reduction -4ch(L,R,C,S), 3ch(L,R,C) Mode Switch
2 5.1ch Analog Input for Dolby Digital L,R,C,SL,SR,SW ch Analog Input Support 3 4 5 C,SL,SR,SW ch Master Volume C,SL,SR,SW ch Trimmer RAM for Digital Delay 0 to -79dB/1dB step, and - 0 to -31dB/1dB step 10K-bit RAM Digital delay circuit can be used for Space Surround such as a Disco, Hall or Live, and Karaoke echo. Pseudo Stereo Surround is available in Space Surround. Short Delay 15.4, 20.5, 25.6, 29.2, 51.2 msec Long Delay 123, 184 msec Delay Signal Feedback Volume -3 to -21 dB/3dB step, and - Delay Signal Effect Volume 0 to -18 dB/3dB step, and - Bypass the decode circuit Mute the Lch and Rch output Controlled by 3-lines serial data from MCU Including the Chip Address (2 bit) Including the oscillation circuit without external parts.
MITSUBISHI ELECTRIC
6 Circuit for Space Surround and Echo 7 Pseudo Stereo Surround 8 Digital Delay Time
9 Feedback Volume 10 Delay Effect Volume 11 Bypass Switch 12 Output Mute 13 MCU Interface 14 Current control oscillation circuit
4
MITSUBISHI SOUND PROCESSOR ICs
Dolby Pro Logic Surround Decoder with Discrete 5.1ch Analog Input
M62464BFP
ABSOLUTE MAXIMUM RATINGS
(Ta=25 C Unless otherwise noted)
Symbol Vcc
VDD
Parameter
Supply Voltage Power Dissipation Operating Temperature Storage Temperature
Conditions
Ratings 10.5 6.5 1.4 -20 to +75 -40 to +125
Unit V V W C C
Pd Topr Tstg
RECOMMENDED OPERATING CONDITION Symbol Vcc
VDD VIL VIH Input Voltage(L) Input Voltage(H) 22,23,24pin 22,23,24pin
Parameter
Supply Voltage
Condition
Min
Limits Typ
Max
Units V V V V
8 4.5 0 2.2
9 5
10 5.5 0.8
VDD
MITSUBISHI ELECTRIC
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MITSUBISHI SOUND PROCESSOR ICs
Dolby Pro Logic Surround Decoder with Discrete 5.1ch Analog Input
M62464BFP
ELECTRICAL CHARACTERISTICS
(Ta=25 C, Vcc=9V, VDD=5V, 0dBd=300mVrms, at COUT, f=1kHz unless otherwise noted)
Symbol Total
Icc IDD Auto-Balance CPR CER VoL MR HRAM THDAM SNAM Vno Vno VGNR DEC1 DEC2 DEC3 THDNR HRNR SNNR ATTmax ATTmin VOLS1 VOLS2 SNVOL TRIMmax TRIMmin TRIMS THDLN SNLN CTLN Zi
Parameter
Circuit current Circuit current Capture range Error collection
Output level accuracy relative to Cch
Test condition
No signal No signal
Min.
Limits Typ.
Max.
Units
mA mA dB dB
30 15 5 4
45 25
Adaptive Matrix
L,R,S'ch output L,R,C,S'ch output THD=1%, L,R,Cch output
Matrix rejection Head room
-0.5 25 15 70 -15 -0.5 3.8 -1.6 -3.0 -6.8 15 68
0 40 17 0.05 80 -12.5 0 6.8 -0.1 -1.5 -5.3 0.07 17 78 -95
0.5
dB dB dB % dB dB dB dB dB % dB dB
Total harmonic distortion L,R,Cch output, 30kHz LPF Rg=0,weighted CCIR/ARM S/N ratio Noise Sequencer Output noise level
Noise level accuracy relative to Cch
0.2
L,R,C,S'ch output L,R,S'ch output
-10 0.5 9.8 1.4 0 -3.8 0.3
Modified B-type Noise Reduction (0dB reference is 300mVrms/100Hz at SOUT)
Gain between input and output
Vin=0dBd,f=100Hz
Decode character 1 Decode character 2 Decode character 3 Total harmonic distortion Head room S/N ratio Maximum attenuation Minimum attenuation Volume step1 Volume step2 S/N ratio Maximum attenuation Minimum attenuation Teimmer step Total harmonic distortion S/N ratio Line cross-talk Input impedance
Vin=0dBd,f=1.0kHz Vin=-15dBd,f=1.4kHz Vin=-40dBd,f=5.0kHz Vin=0dBd,f=1kHz,30kHz LPF THD=1%
Rg=0,weighted CCIR/ARM
Cch/SLch/SRch/SWch Master Volume ATT=-,Vi=2Vrms ATT=0dB,TRIM=0dB ATT=0 to -40dB,TRIM=0dB ATT=-40 to -76dB,TRIM=0dB ATT=-,CCIR/ARM TRIM=-31dB,VOLATT=0dB TRIM=0dB,VOLATT=0dB VOLATT=0dB 30kHz LPF DIN-AUDIO 95 70 11 MITSUBISHI ELECTRIC -3.0 0.5 0.2 85 -34 -3.0 0.6 -87 3.0 1.5 1.8 dB dB dB dB dB -28 3.0 1.4 0.05 dB dB dB % dB dB k 6 0 1.0 1.0 95 -31 0 1.0 0.002 100 80 22 44
Cch/SLch/SRch/SWch Trimmer
Line(Bypass)
MITSUBISHI SOUND PROCESSOR ICs
Dolby Pro Logic Surround Decoder with Discrete 5.1ch Analog Input
(Ta=25 C, Vcc=9V, VDD=5V, 0dBd=300mVrms at COUT, f=1kHz unless otherwise noted)
M62464BFP
Symbol
Digital Delay GvD Td THDD
Parameter
Test conditions
Limits Min. Typ. Max.
Units
Input/Output Voltage gain DIN-DVOLOUT,DVOL=0dB Td=20.5ms Delay time Td=20.5ms Total harmonic distortion 30kHz LPF Td=51.2ms Td=184ms Td=20.5ms Vin=0Vrms JIS-A THD=10%
Td=15.4 to 51.2ms Gv=-3dB Td=123 to 184ms Gv=-3dB
-3.0 17.4
0 20.5 0.5 1.2 3.0 -92 -84 -80
+3.0 23.6 0.9 2.2 5.6 -80 -70 -65
dB ms %
NoD
Output noise voltage
Td=51.2ms Td=184ms
dBV
Vomax LPFfc
Maximum output voltage LPF cut-off frequency
0.7 6.0
1.0 7.0 3.0 8.0
Vrms kHz kHz
Feedback volume FBATTmax FBATTmin FBVOLS Maximum attenuation Minimum attenuation Volume step ATT=- ATT=-3dB -6.0 1.5 -70 -3.0 3.0 -60 0 4.5 dB dB dB
Delay volume DLATTmax DLATTmin DLVOLS Maximum attenuation Minimum attenuation Volume step ATT=- ATT=0dB -3.0 1.5 -70 0 3.0 -60 3.0 4.5 dB dB dB
MITSUBISHI ELECTRIC
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MITSUBISHI SOUND PROCESSOR ICs
Dolby Pro Logic Surround Decoder with Discrete 5.1ch Analog Input
M62464BFP
SERIAL DATA CONTROL FORMAT (1)Data Input Format DATA is read at the rising edge of SCK, and loaded last 16 bits at the rising edge of REQ.
DATA SCK REQ
D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15
D0
D1
D2 D3 D4 D5
D6 D7 D8 D9 D10 D11 D12 D13 D14 D15
Pro Logic Mode
L L L H L L L H H H L H L H H H L H L H
"L"
Mode Set Delay Time
Delay Volume Feedback Volume
Center Mode
AutoBalance
Noise Sequencer
Space Surround Mode
L Cch Volume
H
SLch Volume SRch Volume
Chip Address
SWVOL Set
SWch Volume SWch Trimmer SRch Trimmer
Cch Trimmer SLch Trimmer
Test Mode (user inhibit)
MITSUBISHI ELECTRIC
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MITSUBISHI SOUND PROCESSOR ICs
Dolby Pro Logic Surround Decoder with Discrete 5.1ch Analog Input
M62464BFP
(2)Control condition
Control Mode 1
Mode Set
Contents
5.1ch Input / Normal Stereo / Dolby Pro Logic / Space Surround / Echo / Mute 4ch Pro Logic / 3ch stereo Wide / Normal / Phantom / OFF 15.4, 20.5, 25.6, 29.2,51.2 ms (Short delay) 123, 184ms (Long delay) ON / OFF Lch / Rch / Cch / Sch Input Auto-Balance ON / OFF L / R Output : Dolby Pro Logic / Space Surround Delay input : S' / L-R / (L+R)/2 / MICIN Delay output mixing, BNR : ON / OFF Surround signal : Monaural / Pseudo Stereo
2 Pro Logic Mode 3 Center Mode 4
Delay Time
5 Noise Sequencer 6 7
Auto-Balance Space Surround Mode
8
Delay Volume
0 to -18dB / 3dB step & - -3 to -21dB / 3dB step & - C,SL,SR,SWch Master Volume 0 to -79dB / 1dB step & - C,SL,SR,SWch Trimmer 0 to -31dB /1dB step SW Volume : Volume / Bypass Input data effect or not
9 Feedback Volume 10 Master Volume 11 Trimmer 12 SW Volume Set 13 Chip Address
(3)Set Condition a. Mode Set (D0="L",D1="L",D2="L") D4 L L L L H H D5 L L H H L L D6 L H L H L H Condition
5.1ch Signal Input Normal stereo (bypass) Dolby Pro Logic Surround Space Surround Echo Output Mute
MITSUBISHI ELECTRIC
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MITSUBISHI SOUND PROCESSOR ICs
Dolby Pro Logic Surround Decoder with Discrete 5.1ch Analog Input
M62464BFP
b. Pro Logic Mode (D0="L",D1="L",D2="L") D7 L H Condition 4ch Pro Logic 3ch Stereo
c. Center Mode (D0="L",D1="L",D2="L") D8 L L H H D9 L H L H Condition Wide Normal Phantom OFF
d. Delay Time (D0="L",D1="L",D2="H") D5 L L L L H H H D6 L L H H L L H D7 L H L H L H L Delay Time 15.4msec 20.5msec 25.6msec 29.2msec 51.2msec 123msec 184msec
Sampling Frequency
LPF Cut-off Frequency
500kHz 500kHz 400kHz 333kHz 200kHz 83.3kHz 55.6kHz 3kHz 7kHz
e. Noise Sequencer (D0="L",D1="L",D2="L") D11 L D12 L L H H D13 L H L H
MITSUBISHI ELECTRIC
Condition Noise Sequencer OFF Lch Rch Noise Sequencer ON Cch Sch
10
H
MITSUBISHI SOUND PROCESSOR ICs
Dolby Pro Logic Surround Decoder with Discrete 5.1ch Analog Input
M62464BFP
f. Auto-Balance (D0="L",D1="L",D2="L") D10 L H Condition Auto-Balance OFF Auto-Balance ON
g. Space Surround Mode (D0="L",D1="L",D2="H") Delay Mixing Polarity L / R Output D8 L H Delay Input D10 D11 L H H X L H X : L or H Delay Input S' L-R (L+R)/2 Condition
Dolby Pro Logic Space Surround
D9 L H BNR D12 L H
Mixing Polarity L+Delay signal / R+Delay signal L+Delay signal / R-Delay signal
BNR
OFF ON
Surround Signal D13 L H Surround Signal
Monaural Pseudo Stereo
h. Delay Volume (D0="L",D1="H",D2="L",D3="L") D4 L L L L H H H H D5 D6 L L H H L L H H L H L H L H L H
Volume
i. Feedback Volume (D0="L",D1="H",D2="L",D3="H") D4 L L L L H H H H
MITSUBISHI ELECTRIC
D5 L L H H L L H H
D6 L H L H L H L H
Volume
0dB -3dB -6dB -9dB -12dB -15dB -18dB -
-3dB -6dB -9dB -12dB -15dB -18dB -21dB -
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MITSUBISHI SOUND PROCESSOR ICs
Dolby Pro Logic Surround Decoder with Discrete 5.1ch Analog Input
M62464BFP
Volume Level
j. C,SL,SR,SW ch Volume (D0="L",D1="H")
Volume Level
D11 L L L L L L L L L L L L L L L L H H H H H H H H H H H H H H H H
D10 L L L L L L L L H H H H H H H H L L L L L L L L H H H H H H H H
D9 L L L L H H H H L L L L H H H H L L L L H H H H L L L L H H H H
D8 L L H H L L H H L L H H L L H H L L H H L L H H L L H H L L H H
D7 L H L H L H L H L H L H L H L H L H L H L H L H L H L H L H L H
D13 L L H H
D12 L H L H
0 dB -2 dB -4 dB -6 dB -8 dB -10 dB -12 dB -14 dB -16 dB -18 dB -20 dB -22 dB -24 dB -26 dB -28 dB -30 dB -32 dB -34 dB -36 dB -38 dB -40 dB -42 dB -44 dB -48 dB -52 dB -56 dB -60 dB -64 dB -68 dB -72 dB -76 dB -
0 dB -1 dB -2 dB -3 dB
SW Volume Setting
D6
(D0="L",D1="H",D2="H",D3="H")
Condition SW Volume Bypass SW Volume Controlled
MITSUBISHI ELECTRIC
SWBP-SW
L H
2 1
12
MITSUBISHI SOUND PROCESSOR ICs
Dolby Pro Logic Surround Decoder with Discrete 5.1ch Analog Input
M62464BFP
k. C,SL,SR,SW ch Trimmer (D0="H",D1="L") D8
Trimmer Level
D7 D12 L L L L L L L L H H H H H H H H L L L L L L L L H H H H H H H H
D6 D11 L L L L H H H H L L L L H H H H L L L L H H H H L L L L H H H H
D5 D10 L L H H L L H H L L H H L L H H L L H H L L H H L L H H L L H H
D4 D9 L H L H L H L H L H L H L H L H L H L H L H L H L H L H L H L H
D13 L L L L L L L L L L L L L L L L H H H H H H H H H H H H H H H H
0 dB -1 dB -2 dB -3 dB -4 dB -5 dB -6 dB -7 dB -8 dB -9 dB -10 dB -11 dB -12 dB -13 dB -14 dB -15 dB -16 dB -17 dB -18 dB -19 dB -20 dB -21 dB -22 dB -23 dB -24 dB -25 dB -26 dB -27 dB -28 dB -29 dB -30 dB -31 dB
When (Trimmer level)+(Master Volume) is less than -87dB, total attenuation level is set to -87dB.
MITSUBISHI ELECTRIC
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MITSUBISHI SOUND PROCESSOR ICs
Dolby Pro Logic Surround Decoder with Discrete 5.1ch Analog Input
M62464BFP
l. Chip Address D14 L Others D15 H Data Read Enable Unable
Relation between mode setting and switch condition
Mode Setting 5.1ch Signal Input Normal stereo
Pro Logic Mode (D0=L,D1=L D2=L)
Space Surround Mode (D0=L,D1=L,D2=H)
Switch Condition
LRC- SL- SR- SW- DI- DO- BNR-
D7
D8 D10 D11 D12 D13 SW SW SW SW SW SW SW SW SW
X
*3
X X
X
*2
X
*2
X
*3
X
*1
1
1
1 2
1
*1
1
*1
1
4
*2
2 1
3
*3
L H
L H
X L H X
L H X X L
*3
L 2 H X L
*1
2 2 3 4
*4
2 2 3
1 2 3
2 1 3 1 1 3
*3
Dolby Pro Logic Surround Space Surround
L H X
X
*4
X L
*2
4
*4
2
2
*1
2
*1
2
1
*2
*2
L H
X L
4
4 2 3 2 5 1 1
2 3 1 1
2 2 3 1 1 2 2
1 1 2
2 1
H X X
H X X
H X X
H3 X X 2 5
3 4 4 2 2 3 3
Echo Mute
X X
X X
X: L or H
At Bypass or Space Surround Mode, the condition of SL-SW,SR-SW,DI-SW and BNR-SW depend on D7,D10,D11,D12 and D13 settings. SL-SW,SR-SW : depend on D13 ------> *1 DI-SW : depend on D10 and D11----->*2 BNR-SW : depend on D7 and D12------*3 At Space Surround Mode, the condition of L-SW and R-SW depend on D8.------>*4
MITSUBISHI ELECTRIC
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MITSUBISHI SOUND PROCESSOR ICs
Dolby Pro Logic Surround Decoder with Discrete 5.1ch Analog Input
M62464BFP
(4)Data Timing
t1,t2
VDD=5V
2.2V
DATA
0.8V
t6 t1 t4
t7 t2
2.2V
SCK
0.8V
t5 t9 t3 t8
t10
2.2V
REQ
0.8V
t1
t2
Symbol
Name
Signal rise time Signal fall time SCK clock width SCK "H" pulse width SCK "L" pulse width DATA setup time DATA hold time REQ rise hold time REQ "H" pulse width SCK setup time
Min
Typ
Max 0.5 0.5
Units s s s s s s s s s s
t1 t2 t3 t4 t5 t6 t7 t8 t9 t10
2 0.8 0.8 0.8 0.8 1.6 0.8 1.6
MITSUBISHI ELECTRIC
15
5.1ch
BY-PASS SPACE 2 3 1
(1)5.1ch Input
L-SW
LIN
+
PROLOGIC MUTE
5 1 2 3 4 5 4
72
MODE EXAMPLE
1
RIN
5.1ch
73
NOISE SEQUENCER
LOUT
LTIN
R
PROLOGIC MUTE +/-
74
L
BY-PASS SPACE
INPUT AUTOBALANCE
SELECTOR
RTIN
R-SW
C-SW
1 2
75
ADAPTIVE MATRIX
C
WIDE NORMAL PHANTOM OFF
CENTER MODE CONTROL
2
ROUT
CVOL
CIN
SL-SW
1 2 3
76
CTRIM
SLVOL
3
CVOL OUT
SLTRIM
9
SLIN
77
SRIN
SL SR
78
LPF A/D
D/A
LPF
MITSUBISHI ELECTRIC
1 2 3
SWIN
S' Pseudo Stereo
79
SR-SW
SLVOL OUT
SRVOL
80
SRTRIM
1
14
SRVOL OUT
SWTRIM
2 1
VRSWIN Digital Delay 10Kbit SRAM Logic
F.B.VOL DELAYVOL
1 2 2 3
17
L+R L-R 2
Modified BNR
1
SW-SW
2
SWVOL
SWBP-SW
SWVOL OUT
S DO-SW BNR-SW
DI-SW
2
1
3
4
MICIN
20
MCU Interface
MITSUBISHI SOUND PROCESSOR ICs
M62464BFP
41
22
23
24
Dolby Pro Logic Surround Decoder with Discrete 5.1ch Analog Input
16
ECHOOUT
DATA SCK
REQ
5.1ch
BY-PASS SPACE 2 3 1
L-SW
LIN
+
PROLOGIC MUTE
5 1 2 3 4 5 4
72
RIN
5.1ch
73
NOISE SEQUENCER
1
LOUT
(2)Pro Logic Surround
LTIN
+/PROLOGIC MUTE
74
L
BY-PASS SPACE
2
INPUT AUTOBALANCE
SELECTOR
RTIN
C-SW
1 2
75
ADAPTIVE MATRIX
C
WIDE NORMAL PHANTOM OFF
R R-SW
CENTER MODE CONTROL
ROUT
CVOL
CIN
SL-SW
1 2 3
76
CTRIM
SLVOL
3
CVOL OUT
SLTRIM
9
SLIN
77
SRIN
SL SR
78
LPF A/D
D/A
LPF
MITSUBISHI ELECTRIC
1 2 3
SWIN
S' Pseudo Stereo
79
SR-SW
SLVOL OUT
SRVOL
80
SRTRIM
1
14
SRVOL OUT
SWTRIM
2 1
VRSWIN Digital Delay 10Kbit SRAM Logic
F.B.VOL DELAYVOL
1 2 2 3
17
L+R L-R 2
Modified BNR
1
SW-SW
2
SWVOL
SWBP-SW
SWVOL OUT
S DO-SW BNR-SW
DI-SW
2
1
3
4
MICIN
20
MCU Interface
MITSUBISHI SOUND PROCESSOR ICs
M62464BFP
41
22
23
24
Dolby Pro Logic Surround Decoder with Discrete 5.1ch Analog Input
17
ECHOOUT
DATA SCK
REQ
5.1ch
BY-PASS SPACE 2 3 1
L-SW
LIN
+
PROLOGIC MUTE
5 1 2 3 4 5 4
72
RIN
5.1ch
(3)Space Surround
1
73
NOISE SEQUENCER
LOUT
LTIN
+/PROLOGIC MUTE
74
L
BY-PASS SPACE
2
INPUT AUTOBALANCE
SELECTOR
RTIN
C-SW
1 2
75
ADAPTIVE MATRIX
C
WIDE NORMAL PHANTOM OFF
R R-SW
CENTER MODE CONTROL
ROUT
CVOL
CIN
SL-SW
1 2 3
76
CTRIM
SLVOL
3
CVOL OUT
SLTRIM
9
SLIN
77
SRIN
SL SR
78
LPF A/D
D/A
LPF
MITSUBISHI ELECTRIC
1 2 3
SWIN
S' Pseudo Stereo
79
SR-SW
SLVOL OUT
SRVOL
80
SRTRIM
1
14
SRVOL OUT
SWTRIM
2 1
VRSWIN Digital Delay 10Kbit SRAM Logic
F.B.VOL DELAYVOL
1 2 2 3
17
L+R L-R 2
Modified BNR
1
SW-SW
2
SWVOL
SWBP-SW
SWVOL OUT
S DO-SW BNR-SW
DI-SW
2
1
3
4
MICIN
20
MCU Interface
MITSUBISHI SOUND PROCESSOR ICs
M62464BFP
41
22
23
24
Dolby Pro Logic Surround Decoder with Discrete 5.1ch Analog Input
18
ECHOOUT
DATA SCK
REQ
(4)Echo
5.1ch
BY-PASS SPACE 2 3 1
L-SW
LIN
+
PROLOGIC MUTE
5 1 2 3 4 5 4
72
RIN
5.1ch
73
NOISE SEQUENCER
1
LOUT
LTIN
+/PROLOGIC MUTE
74
L
BY-PASS SPACE
2
INPUT AUTOBALANCE
SELECTOR
RTIN
C-SW
1 2
75
ADAPTIVE MATRIX
C R-SW
WIDE NORMAL PHANTOM OFF
R
CENTER MODE CONTROL
ROUT
CVOL
CIN
SL-SW
1 2 3
76
CTRIM
SLVOL
3
CVOL OUT
SLTRIM
9
SLIN
77
SRIN
SL SR
78
D/A
LPF A/D
LPF
MITSUBISHI ELECTRIC
1 2 3
SWIN
S' Pseudo Stereo
79
SR-SW
SLVOL OUT
SRVOL
80
SRTRIM
1
14
SRVOL OUT
SWTRIM
2 1
VRSWIN Digital Delay 10Kbit SRAM Logic
F.B.VOL DELAYVOL
1 2 2 3
17
L+R L-R 2
Modified BNR
1
SW-SW
2
SWVOL
SWBP-SW
SWVOL OUT
S DO-SW BNR-SW
DI-SW
2
1
3
4
MICIN
20
MCU Interface
MITSUBISHI SOUND PROCESSOR ICs
M62464BFP
41
22
23
24
Dolby Pro Logic Surround Decoder with Discrete 5.1ch Analog Input
19
ECHOOUT
DATA SCK
REQ
MITSUBISHI SOUND PROCESSOR ICs
Dolby Pro Logic Surround Decoder with Discrete 5.1ch Analog Input
M62464BFP
LEVEL DIAGRAM (1)Dolby Pro Logic Surround Mode Cch
LTIN RTIN
Signal level Gain
C-SW
INPUT BALANCE ADAPTIVE MATRIX CENTER MODE CONTROL
TRIMMER&VOLUME Ladder Buffer
CVOLOUT
2
-3dB +3dB
0dB
-3.2dB -3.2dB 0dB
-3.2dB
0dB
+3.2dB
Vref=4.5V
Vref=2.5V
Vref=3.6V
Sch
LTIN RTIN
Signal level Gain INPUT BALANCE ADAPTIVE MATRIX
S' DI-SW
1
DIGITAL DELAY
DO-SW
BNR-SW SL-SW
BNR
1 1 2
TRIMMER&VOLUME Ladder Buffer
SLVOL OUT
-3dB +3dB
0dB
-6.8dB -3.2dB 0dB
-6.8dB 0dB
-6.8dB
0dB
-3.2dB 0dB
-3.2dB
0dB
+6.8dB
-3.2dB
+3.2dB
Vref=4.5V
Vref=2.5V
Vref=4.5V Vref=2.5V
Vref=3.6V
Lch,Rch
LTIN RTIN
INPUT BALANCE ADAPTIVE MATRIX CENTER MODE CONTROL
LOUT ROUT
Signal level
0dB
Vref=4.5V
Signal level : 0dB=300mVrms(typ.) MITSUBISHI ELECTRIC 20
MITSUBISHI SOUND PROCESSOR ICs
Dolby Pro Logic Surround Decoder with Discrete 5.1ch Analog Input
M62464BFP
(2)5.1ch Signal Input Mode C,SL,SR,SW ch
CIN SLIN SRIN SWIN
Signal level Gain
C-SW SL-SW SR-SW SW-SW
TRIMMER&VOLUME Ladder Buffer
2
CVOLOUT SLVOLOUT SRVOLOUT SWVOLOUT
0dB -3.2dB
-3.2dB 0dB
-3.2dB
0dB
+3.2dB
Vref=4.5V
Vref=2.5V
Vref=3.6V
(3)Space Surround Mode Delay Signal
LIN RIN
Signal level
DI-SW L-R (L+R)/2 2 3
DIGITAL DELAY
DELA Y VOL
DO-SW 1
BNR
BNR-SW 1 2
to L/R Mix
0dB
-6.8dB -6.8dB 0dB
-6.8dB 0dB
-6.8dB
0dB +6.8dB
Gain
Vref=4.5V
Vref=2.5V
Vref=4.5V
(4)Echo Mode
DI-SW
DO-SW
MICIN
Signal level
4
DIGITAL DELAY 0dB 0dB
DELAY VOL
ECHOOUT 2
0dB
Vref=4.5V
Vref=2.5V
Vref=4.5V
Signal level : 0dB=300mVrms(typ.)
MITSUBISHI ELECTRIC
21
MITSUBISHI SOUND PROCESSOR ICs
Dolby Pro Logic Surround Decoder with Discrete 5.1ch Analog Input
M62464BFP
NOTICE Relation AVcc and DVDD at power supply Digital VDD must be supplied less than 0.7 seconds from analog Vcc supply.
AVcc (AVcc>DVDD) DVDD
Internal reset signal
automatic reset cancel 0.7sec (min.)
MITSUBISHI ELECTRIC
22
MITSUBISHI SOUND PROCESSOR ICs
Dolby Pro Logic Surround Decoder with Discrete 5.1ch Analog Input
M62464BFP
APPLICATION EXAMPLE
C38 1000p C37 4700p 40 39 37 35 33 31 38 34 32 36 C35 0.1 C34 0.22 C33 0.22 C31 0.1 C29 1000p C28 4700p 28 C26 1
30
29
27
26
DELAY VOL 2 1
41
LPF
D/A
A/D
LPF
MCU interface
REQ
24
C41 1 C42 1 C43 5600p 43
DVss
25
ECHOOUT
DO-SW MODIFIED B-TYPE NR DECODER
DATA
CLK
DVdd
LOGIC
22
MCU
SCK
42
23
44
21
C44 0.047 R45 330k 45
C21 0.1 C20 1
DVDD +5V
20
MICIN
AGND
46
C46 0.22 DUAL-TIME CONSTANT AND THRESHOLD SWITCHES 47 C47 0.22 48
DI-SW
1 2 3 L+R 2 4
18
F.B. VOL
19 C18 0.1
C45 0.68
10Kbit SRAM
SWBP-SW
1
17
2
TRIM
C48 4.7 49 C49 4.7 50 C50 0.22 51 C51 0.22 52
VOL
C17 10 16 C15 10 15
SWVOLOU T
L-R
SW-SW
2 1
BNR-SW
1 23
SW
VOL
C14 10 TRIM 13 C12 10 12
SRVOLOU T
SR-SW LOG DIFFERENCE AMPLIFIERS
3
CENTER MODE CONTROL
2 C R 2 L 1 1 3
SL
54
11
C53 0.047 C54 0.047 55 C55 0.1 56
53
SR
C52 0.1
14
TRIM
VOL
L
R
C
S'
10
SL-SW
C10 10
COMBINING NETWORKS
FULL WAVE RECTIFIER
C56 0.1 57
R-SW
5 PSEUDO SURROUND
C9 10 8
SLVOLOU T
9
C57 0.022 C58 0.022 59 C59 0.1
C60 RA60 150k C64 0.01 680p R60 47k C61 0.01
VCA
58
SERVO
AUTO BALANCE
C
3 21
2 1
60
VCA
L-SW
5
6
4
5
7
4 3 2
C8 0.1 C7 0.1
1
BPF
L+R L-R
TRIM
C-SW VOL
C4 10 4
R61 C62
75k 680p
61
RA62 150k R62 47k C65 0.01 C63 0.01
BPF
SELECTOR R
C3 10 2 C2 10
CVOLOU T ROUT LOUT
R63 75k
63
62
64
NOISE SEQUENCER AVcc VREF IREF 22k 22k 22k 22k 22k 22k 22k 22k 22k
L
1 C1 10
77
65
67
68
70
74
76
69
71
73
75
66
C68 4.7
C70 220 C69 100
R71 100k
72
78
79
80
3 C72 10 C73 10 C74 10 C75 10 C76 10 C77 10 C78 10 C79 10 C80 10
Units Resistance : Capacitance : F
AVcc +9V
LIN
RIN
LTIN RTIN
CIN
SLIN
SRIN VRSWIN SWIN
MITSUBISHI ELECTRIC
23
MITSUBISHI SOUND PROCESSOR ICs
Dolby Pro Logic Surround Decoder with Discrete 5.1ch Analog Input
M62464BFP
EXTERNAL PARTS LIST
Parts No. C1 C2 C3 C4 C7 C8 C9 C10 C12 C14 C15 C17 C18 C20 C21 C26 C28 C29 C31 C33 C34 C35 C37 C38 C41 C42 C43 C44 C45 C46 C47 C48 C49 C50 C51 C52 C53 C54 C55 C56 Values 10 10 10 10 0.1 0.1 10 10 10 10 10 10 0.1 1.0 0.1 1.0 4700 1000 0.1 0.22 0.22 0.1 4700 1000 1.0 1.0 5600 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 Unit F F F F F F F F F F F F F F F F pF pF F F F F pF pF F F pF F F F F F F F F F F F F F Tol. Parts No. C57 C58 C59 C60 C61 C62 C63 C64 C65 C68 C69 C70 C72 C73 C74 C75 C76 C77 C78 C79 C80 Values 0.022 0.022 0.1 680 0.01 680 0.01 0.01 0.01 4.7 100 220 10 10 10 10 10 10 10 10 10 Unit F F F pF F pF F F F F F F F F F F F F F F F Tol. 5% 5% 20% 5% 5% 5% 5% 5% 5%
10%
5% 5% 5% 5% 5% 5% 5% 5%
5% 5% 10% 10% 10% 20% 20% 10% 10% 20% 5% 5% 20% 20%
R45 R60 RA60 R61 R62 RA62 R63 R71
330 47 150 75 47 150 75 100
k k k k k k k k
10% 5% 5% 5% 5% 5% 5% 5%
MITSUBISHI ELECTRIC
24
80P6N-A
Plastic 80pin 14!20mm body QFP
Weight(g) 1.58 MD e Lead Material Alloy 42
EIAJ Package Code QFP80-P-1420-0.80
JEDEC Code -
HD D b2 ME
64
80
65
1
I2 Recommended Mount Pad E HE Symbol
DETAILED DIAGRAM OF PACKAGE OUTLINE
A2
c
A1
MITSUBISHI ELECTRIC
41
24
25
40
A L1
A A1 A2 b c D E e HD HE L L1 y L
Detail F
e b
F
MITSUBISHI SOUND PROCESSOR ICs
M62464BFP
y
b2 I2 MD ME
Dimension in Millimeters Min Nom Max - - 3.05 0.1 0.2 0 - - 2.8 0.3 0.35 0.45 0.13 0.15 0.2 13.8 14.0 14.2 19.8 20.0 20.2 - 0.8 - 16.5 16.8 17.1 22.5 22.8 23.1 0.4 0.6 0.8 1.4 - - 0.1 - - 0 10 - 0.5 - - - - 1.3 - - 14.6 - - 20.6
Dolby Pro Logic Surround Decoder with Discrete 5.1ch Analog Input
25
MITSUBISHI SOUND PROCESSOR ICs
Dolby Pro Logic Surround Decoder with Discrete 5.1ch Analog Input
Keep safety first in your circuit designs! lMitsubishi Electric Corporation puts the maximum effort into making semiconductor products better and more reliable, but there is always the possibility that trouble may occur with them. Trouble with semiconductors may lead to personal injury, fire or property damage. Remember to give due consideration to safety when making your circuit designs, with appropriate measures such as (i) placement of substitutive, auxiliary circuits, (ii) use of nonflammable material or (iii) prevention against any malfunction or mishap. Notes regarding these materials lThese materials are intended as a reference to assist our customers in the selection of the Mitsubishi semiconductor product best suited to the customer's application; they do not convey any license under any intellectual property rights, or any other rights, belonging to Mitsubishi Electric Corporation or a third party. lMitsubishi Electric Corporation assumes no responsibility for any damage, or infringement of any third-party's rights, originating in the use of any product data, diagrams, charts, programs, algorithms, or circuit application examples contained in these materials. lAll information contained in these materials, including product data, diagrams, charts, programs and algorithms represents information on products at the time of publication of these materials, and are subject to change by Mitsubishi Electric Corporation without notice due to product improvements or other reasons. It is therefore recommended that customers contact Mitsubishi Electric Corporation or an authorized Mitsubishi Semiconductor product distributor for the latest product information before purchasing a product listed herein. The information described here may contain technical inaccuracies or typographical errors. Mitsubishi Electric Corporation assumes no responsibility for any damage, liability, or other loss rising from these inaccuracies or errors. Please also pay attention to information published by Mitsubishi Electric Corporation by various means, including the Mitsubishi Semiconductor home page (http://www.mitsubishichips.com). lWhen using any or all of the information contained in these materials, including product data, diagrams, charts, programs, and algorithms, please be sure to evaluate all information as a total system before making a final decision on the applicability of the information and products. Mitsubishi Electric Corporation assumes no responsibility for any damage, liability or other loss resulting from the information contained herein. lMitsubishi Electric Corporation semiconductors are not designed or manufactured for use in a device or system that is used under circumstances in which human life is potentially at stake. Please contact Mitsubishi Electric Corporation or an authorized Mitsubishi Semiconductor product distributor when considering the use of a product contained herein for any specific purposes, such as apparatus or systems for transportation, vehicular, medical, aerospace, nuclear, or undersea repeater use. lThe prior written approval of Mitsubishi Electric Corporation is necessary to reprint or reproduce in whole or in part these materials. lIf these products or technologies are subject to the Japanese export control restrictions, they must be exported under a license from the Japanese government and cannot be imported into a country other than the approved destination. Any diversion or reexport contrary to the export control laws and regulations of Japan and/or the country of destination is prohibited. lPlease contact Mitsubishi Electric Corporation or an authorized Mitsubishi Semiconductor product distributor for further details on these materials or the products contained therein.
M62464BFP
MITSUBISHI ELECTRIC
26

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