SOUND PROCESOR MITSUBISHI.pdf

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MITSUBISHI SOUND PROCESSORS
M62463AFP
Dolby Pro Logic Surround Decoder
Description
The M62463AFP is a Single Chip Dolby Pro Logic
Surround Decoder.This LSI has all of required functions
for Dolby Pro Logic Surround.
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.
Outline
Features
Outline 64P6N
0.8mm pitch QFP
(14.0mmx14.0mmx2.8mm)
Includes all functions necessary for Dolby Pro Logic Surround
-Adaptive Matrix
-Input Auto-Balance
-Noise Sequencer
-Center Mode Control ON/OFF, WIDE/NORMAL/PHANTOM
-Modified Dolby B type Noise Reduction
-4 channel (Lch/Rch/Cch/Sch) / 3 channel (Lch/Rch/Cch)
-Digital delay Delay time:15.4 to 51.2msec
Cch/Sch Master Volume 0 to -87dB/1dB step, -∞
3-lines MCU control
Space Surround such as Disco, Hall and Live
Digital Echo for Karaoke Function Delay time 123,184msec
Current control oscillation circuit for system clock
System Configuration
M62463AFP
Lch IN
Input
Auto-
Balance
Control
L
Lch
OUT
Center/
operating
mode
control
Center
Master
Volume
Surround
Master
Volume
Adaptive
Matrix
S'
Noise
Sequencer
R
C
Rch IN
7kHz
LPF
Modified S
Dolby
B-NR
Rch
Master
OUT
Volume
Cch
OUT
Sch
OUT
Lch
Rch
CENTER
L-R
L+R
2
SURROUND
Digital Delay
MCU Interface
MIC IN
DATA SCK REQ
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MITSUBISHI SOUND PROCESSORS
M62463AFP
Dolby Pro Logic Surround Decoder
Pin Configuration
BNR IN
33
DBC3
DBC2
35
48
47
46
45
44
43
42
41
40
39
38
37
36
RLC8
RLC6
LBPF2
LBPF1
RBPF2
RBPF1
LT
RT
LIN
RIN
AVcc
VREF
IREF
NGC3
NGC2
NGC1
49
50
FULL WAVE
RECTIFIER
LOG
DIFFERENCE
AMPLIFIERS
DUAL-TIME CONSTANT
AND THRESHOLD SWITCHES
MODIFIED
B-TYPE
NR DECODER
DBC1
34
PSC4
PSC1
PSC5
PSC2
PSC6
PSC3
RLC3
RLC7
RLC4
RLC1
RLC2
RLC5
32
31
FBIN
LPF2 OUT
LPF2 IN2
LPF2 IN1
DAINT OUT
DAINT IN
DACONT
ADCONT
ADINT OUT
ADINT IN
LPF1 OUT
LPF1 IN2
LPF1 IN1
DSEL OUT
MICOUT
DVss
LPF
51
BPF
COMBINING
F.B.
VOL
L+R L-R
30
52
53
BPF
54
NETWORKS
L
C
R
10Kbit
SRAM
VCA
S'
29
28
D/A
27
26
SELECTOR
AUTO
BALANCE
CENTER MODE
CONTROL
55
56
L
R C
L-R
LOGIC
VCA
SERVO
57
22kΩ
SW4
2
1
SW5
25
A/D
3
L+R
2
4
24
23
58
22kΩ
59
VREF
AVcc
1
2
SW3
SW6
LPF
CLK
22
21
1
2 3
1
4
2
1
3
4
IREF
2
60
61
62
SW2
MIC
VOL
SW1
NOISE
SEQUENCER
20
19
18
DVss
63
64
L
VOL
VOL
AGND
DVdd
MCU INTERFACE
DATA
SCK
REQ
17
R
C
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CVOLOUT
ROUT
SVOLOUT
AGND
SOUT
LOUT
CMC
VREFD
CVOLIN
MICIN
COUT
SVOLIN
DVdd
DATA
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ELECTRIC
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REQ
SCK
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BY-PASS
1
2
SW1
1
3
4
1
2
Block Diagram
NOISE
SEQUENCER
SPACE
SURROUND
+
PROLOGIC
MUTE
BY-PASS
LOUT
L
CENTER
MODE
CONTROL
SPACE
SURROUND
LIN
+/-
MUTE
PROLOGIC
3
4
57
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INPUT
BALANCE
SELECTOR
ADAPTIVE
MATRIX
R
C
WIDE
NORMAL
PHANTOM
OFF
SW2
5
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RIN
S'
58
MASTER
VOLUME
4
LPF
A/D
D/A
LPF
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ELECTRIC
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3
CVOLOUT
8
L+R
2
L-R
Digital Delay
SW3
SVOLOUT
1
2
SW4
10Kbit SRAM
Logic
Modified BNR
2
1
MASTER
VOLUME
7
6
3
4
MICIN
SW5
F.B.VOL
12
1
MCU
Interface
SW6
2
MICVOL
MITSUBISHI SOUND PROCESSORS
Dolby Pro Logic Surround Decoder
M62463AFP
18
20
19
32
31
33
14
15
16
MICOUT
DATA
SCK REQ
No
metric li
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o f r ub
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E
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L
is nmtita ainealssp ject to chan
T is
s
t e
Y
M I N A R
ecification. ge.
I
MITSUBISHI SOUND PROCESSORS
M62463AFP
Dolby Pro Logic Surround Decoder
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
10K-bit RAM
15.4, 20.5, 25.6, 29.2msec
(for Dolby Pro Logic Surround)
51.2msec (for Space Surround)
Digital delay circuit can be used for
Space Surround such as a Disco, Hall or Live,
and Karaoke echo.
123,184 msec
Delay Signal Feedback Volume
-3 to -21 dB/3dB step, and -
Internal Microphone Volume
0 to -18 dB/3dB step, and -
0 to -87dB/1dB 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.
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ELECTRIC
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2
RAM for Digital Delay
3 Surround Delay Time
4 Circuit for Space Surround
5 Echo delay time
6 Feedback Volume
7 Microphone Volume
8
Cch/Sch Master Volume
9 Bypass Switch
10 Output Mute
11 MCU Interface
12 Current control oscillation circuit
No
metric li
me para
so
o f r ub
P
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R
;
E
h
L
is nmtita ainealssp ject to chan
T is
s
t e
Y
M I N A R
ecification. ge.
I
MITSUBISHI SOUND PROCESSORS
M62463AFP
Dolby Pro Logic Surround Decoder
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
-20 to +75
-40 to +125
Unit
V
V
W
C
C
Pd
Topr
Tstg
RECOMMENDED OPERATING CONDITION
Symbol
Vcc
Vdd
V
IL
V
IH
Input Voltage(L)
Input Voltage(H)
14,15,16pin
14,15,16pin
Parameter
Supply Voltage
Condition
Min
Limits
Typ
Max
Units
V
V
V
V
8
4.5
0
Vdd-1
9
5
10
5.5
0.8
Vdd
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ELECTRIC
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