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M62460FP
Datasheet
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Mitsubishi M62460FP Datasheet

MITSUBISHI SOUND PROCESSORS
M62460FP
“Super Single Chip” Surround Processor
with Dolby Pro Logic Decoder
DESCRIPTION
The M62460FP is a“super”single chip LSI supporting the Dolby Pro Logic surround.This LSI contains all sorts of functions including delay circuit function.In addition,it has Digital 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 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 (Mode)
Dolby Pro Logic
Digital Space Surround
Echo (KARAOKE)
Dolby Pro Logic Surround System which includes all of required functions.
DISCO,Hall,LIVE mode and 5 delay time positions
Short echo:td=147.5msec,Long echo:td=196.6msec
Outline 80P6N
0.8mm pich QFP (20.0mmX14.0mmX2.8mm)
BY-PASS
Input signal through mode
System Configuration
Lch IN
Rch IN
MIC IN
L+R
2
L-R
2
Input Auto­Balance Control
Noise Sequencer
S
LPF-IN LPF-OUT
Digital Delay
Adaptive Matrix
7kHz LPF
Modified Dolby B-NR
L R
C
Center/ operating mode control
S
NR-IN
MCU INTERFACE
Center Trim
Surround Trim
L
R
C
S
Master Volume Control
Lch
Rch
CENTER
SURROUND
DATA
MITSUBISHI
ELECTRIC
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1
SCK REQ
C-62460-72E
PIN CONFIGURATION
MITSUBISHI SOUND PROCESSORS
M62460FP
“Super Single Chip” Surround Processor
with Dolby Pro Logic Decoder
NGC1
LOUT
ROUT
CT
COUT
ST
SOUT
CMC
SMRO
SMRI
AGND
MIC IN
DVdd
TEST CNT
DATA
SCK
REQ
LO1
LO2
LO3
XIN
XOUT
DVss
AVss
IREF
78
VREFG
77
76
XXXXXX
NGC3
NGC2
80
79
1
2
3 4
5
6
7 8
9
10
11
12 13
14 15
16 17 18
19
20
21 22
23
24
VREFA
AVcc
75
HOLDC
74
73
RIN
LIN
72
RT
71
RBPF
LT
70
69
RLI
68
LBPF
67
LLI
66
M62460FP
RLC6
65
64
RLC8
63
RLC3
62
RLC7
RLC4
6061
RLC1
59
RLC2
58
RLC5
57
PSC4
56
PSC1
55
PSC5
54
PSC2
53
PSC6
52
PSC3
51
DBC3
50
DBC2
49
DBC1
48
LPIN
DBIN
4647
S' OUT
45
FBIN SU
44
FBIN EC
43
DELAY SIG OUT
42
DELAY SIG IN
41
VOL OUT
25
AVdd
26
VREFD
27
28
DELAY IN
MIX OUT
30
29
LPF1 IN2
LPF1 IN1
33
32
31
LPF1 OUT
AD INT IN
AD INT OUT
MITSUBISHI
ELECTRIC
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2
35
34
AD CONT
DA CONT
36
37
DA INT OUT
DA INT IN
39
38
LPF2 IN1
LPF2 IN2
40
LPF2 OUT
C-62460-72E
BLOCK DIAGRAM
MITSUBISHI SOUND PROCESSORS
M62460FP
“Super Single Chip” Surround Processor
with Dolby Pro Logic Decoder
NGC1
LOUT
ROUT
CT
COUT
ST
SOUT
CMC
SMRO
SMRI
AGND
MIC IN
DVdd
TEST CNT
DATA
SCK
REQ
LO1
LO2
LO3
XIN
XOUT
DVss
AVss
IREF
77
78
IREF VREF
SELECTOR1
VREFG
76
VREFA
M
M
+/-
SELECTOR3
NGC3
NGC2
80
79
VOL
+
DVdd
DATA SCK REQ
AVdd
SEQUENCER
NOISE
MCU interface
CLK
VREFD
1
2
RL
3 4
CT
5
ST SC
6
VOL
7 8
9
-
10
AGND
11
12 13
TEST
CNT
14 15
16 17 18
19
20
21 22
DVss
23
AVss
24
VREFA
+
-
+ -
S'
AVcc
75
AVcc
LPF
74
L-R
2
-9.2dB
ATT
HOLDC
RIN
73
SERVO
L+R
2
LIN
72
VCA
L
CONTROL
R C
SELECTOR2
MIC
16kSRAM
LOGIC
A/D
RT
LT
70
71
SELECTOR
BALANCE
AUTO
CENTER MODE
RBPF
69
BPF
L C R
COMBINNING
D/A
RLI
68
L+R L-R
VCA
NETWORKS
S'
+9.2dB
LBPF
LLI
66
67
BPF
+9.2dB
MOS SFB
LPF
RLC6
65
64
FULL WAVE
RECTIFIER
63
62
DIFFERENCE
AMPLIFIERS
AND THRESHOLD SWITCHES
NR DECODER
+
SU
EC
MIX
6061
LOG
59
58
57
DUAL-TIME CONSTANT
56
55
54
53
52
51
MODIFIED
B-TYPE
50
49
48
-
4647
45
44
43
42
VOL
41
RLC8
RLC3
RLC7
RLC4
RLC1
RLC2
RLC5
PSC4
PSC1
PSC5
PSC2
PSC6
PSC3
DBC3
DBC2
DBC1
LPIN
DBIN
S' OUT
FBIN SU
FBIN EC
DELAY SIG OUT
DELAY SIG IN
VOL OUT
25
AVdd
26
VREFD
27
28
DELAY IN
MIX OUT
30
29
LPF1 IN2
LPF1 IN1
33
32
31
LPF1 OUT
AD INT IN
AD INT OUT
MITSUBISHI
ELECTRIC
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3
35
34
AD CONT
DA CONT
36
37
DA INT OUT
DA INT IN
39
38
LPF2 IN1
LPF2 IN2
40
LPF2 OUT
C-62460-72E
7.Discription of pin
MITSUBISHI SOUND PROCESSORS
M62460FP
“Super Single Chip” Surround Processor
with Dolby Pro Logic Decoder
No. Symbol
2
3
4
5
6
LOUT
ROUT
CT
COUT
ST
7 SOUT
Funtion
Lch output
Rch output
Cch output
Cch output
Sch output
Sch output
Voltage
4V
4V
4V
Discription of pin
Direct output R-/L- channel when the operation mode is BY-PASS. When the mode is 4channel,they output Dolby prologic R-/L-channel signals.
No output any signals when the operation mode is centermode is OFF or set to PHANTOM
COUT is output from C.Trimmer.
This pin outputs surround signals.Output is selected from BNR out.Dout No output signal when the operation mode is 3 STEREO/MUTE.
SOUT is output from S.Trimmer.
Equivalent circuit
2 3
4 5
6 7
9
10
SMRO
SMRI
amplifier output
amplifier input]
This is a amplifier to control mixed level
4V
of surround output with external resistance.
MITSUBISHI
ELECTRIC
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4
9
10
C-62460-72E
MITSUBISHI SOUND PROCESSORS
M62460FP
“Super Single Chip” Surround Processor
with Dolby Pro Logic Decoder
No. Symbol
12
14
15
16
17
MIC IN
TEST CNT
DATA
SCK
REQ
Funtion
MIC input
TEST control
serial data "DATA" input
serial data "SCK" input
serial data "REQ" input
Voltage
4V
0
0
Discription of pin
Microphone input with ECHO MODE
Fixed to GND
input via serial data from MCU.
Equivalent circuit
12
14
15
16 17
buffer
buffer
buffer
18
19
20
21
22
26
LO1
LO2
LO3
XIN
XOUT
VREFD reference output
port output
Osillator input
Osillator output
Open collector output pin(NPN Tr)
connect a 4 - MHz ceramic resonator
1/2 Vcc output. Connect a filter capacitor.
MITSUBISHI
ELECTRIC
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5
18 19
21 22
262.5V
C-62460-72E
20
MITSUBISHI SOUND PROCESSORS
M62460FP
“Super Single Chip” Surround Processor
with Dolby Pro Logic Decoder
No. Symbol
27
28
40
41
MIX OUT
DELAY IN
LPF2 OUT
VOL OUT
Funtion
S',L+R,L-R and MIC output
delay input
delay signal output
output of a delay volum
Voltage
4V
2.5V
2.5V
Discription of pin
Signal output precedent to delay generator that is S`,L+R,L-R and MIC output
This is s delay input. Please input by AC cuppring.
delay signal output
This is output of a delay volum that possible to control +3dB~∞
Equivalent circuit
27
28
40
41
42
43
44
45
DELAYSIG IN
DELAYSIG OUT
FBIN EC
FBIN SU
input from mixing amplifier
Feedback signal input
4V
Delay signal input to a mixing amplifier
4V
Delay signal output from a mixing amplifier
Feedback signal input with ECHO MODE
4V
Feedback signal input with SURROUND MODE
MITSUBISHI
ELECTRIC
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6
42
43
42
C-62460-72E
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