33
34
Pin #
Name
Connected to / Function:
1
R Filter In
3-Pole Active Low-Pass Filter Output; used for Center Cancelling Correction
2
R Filter Out
3-Pole Active Low-Pass Filter Input
3
L Filter In
3-Pole Active Low-Pass Filter Output; used for Center Cancelling Correction
4
L Filter Out
3-Pole Active Low-Pass Filter Input
5
L Out
Connect to Pin 6
6
L Out A
Connect to Pin 5
7
L In
Left Stereo Source Line Input; Should be 0 dBd (300 mV rms)
8
R Out
Connect to Pin 9
9
R Out A
Connect to Pin 8
10
R In
Right Stereo Source Line Input; Should be 0 dBd (300 mV rms)
11
V
EE
Negative Supply
12
ACOM Audio GND
Audio Ground
13
GND
Power Ground
14
V
CC
Positive Supply
15
(L+R) Out
RC to Front/Rear Detector Input
16
(L—R) Out
RC to Front/Rear Detector Input and Input of Crossover
17
(L—R) High In
Output of High-Pass Crossover
18
(L—R) Low In
Output of Low-Pass Crossover
19
R High Band Det.
RC Network Fed by Right Stereo Source Line Input
20
L High Band Det.
RC Network Fed by Left Stereo Source Line Input
21
High Band Det. Out
Capacitor to ACOM; Controls Rear High Frequency Output Steering
22
R Low Band Det.
Right Input, used for Autobalance and Low Band Steering
23
L Low Band Det.
Left Input, used for Autobalance and Low Band Steering
24
Low Band Det. Out
Capacitor to ACOM; Controls Left-to-Right Output Steering
25
Autobalance TC
RC Network to ACOM
26
Autobalance Lockout
RC Network to ACOM
27
Front/Rear (L+R) Det.
RC Network Fed by (L+R) Out (Pin 15)
28
Front/Rear (L—R) Det.
RC Network Fed by (L-R) Out (Pin 16)
29
Front/Rear Det.
Capacitor to ACOM; Controls Front-to-Back Output Steering
30
High Band TC Filter
RC Network to ACOM
31
Low Band TC Filter
RC Network to ACOM
32
Front/Rear TC Filter
RC Network to ACOM
33
Clock In
Clock from Serial Bus
34
WRITE
Chip Select from Serial Bus
35
V
EE
Negative Supply
36
GND
Power Ground
37
ACOM Audio GND
Audio Ground
38
V
CC
Positive supply
39
Data In
Data from Serial Bus
40
Reset
Reset from Serial Bus
41
LOAD
Load from Serial Bus
42
Noise Out
Connect to RC Filter; White Noise Output
43
Noise In
Connect to RC Filter Output; Filtered White Noise
44
RS Out
Connect to Right Surround (Rear) Amplifier Input
45
LS Out
Connect to Left Surround (Rear) Amplifier Input
46
RF Out
Connect to Right Front Amplifier Input
47
LF Out
Connect to Left Front Amplifier Input
48
Center Out
Connect to Center Amplifier Input
STEERING
CONTROL
GENERATOR
LEFT
RIGHT
INPUTS
RIGHT
SURROUND
LEFT
SURROUND
CENTER
RIGHT
LEFT
RESET
SERIAL BUS
OUTPUTS
L+R FOR
SUBWOOFER
STEERING MATRIX
AND OUTPUT
AMPLIFIERS
ANALOG
SIGNAL
PROCESSING
MODE CONTROL
LOGIC AND NOISE
GENERATOR
TOP VIEW
(Not to Scale)
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
SSM2005
CENTER OUT
R FILTER IN
R FILTER OUT
L FILTER IN
L FILTER OUT
L OUT
L OUT A
L IN
R OUT
R OUT A
R IN
V
EE
ACOM AUDIO GND
GND
V
CC
(L+R) OUT
(L—R) OUT
(L—R) HIGH IN
(L—R) LOW IN
R HIGH BAND DET.
L HIGH BAND DET.
HIGH BAND DET. OUT
R LOW BAND DET.
L LOW BAND DET.
LOW BAND DET. OUT
LF OUT
RF OUT
LS OUT
RS OUT
NOISE IN
NOISE OUT
LOAD
RESET
DATA IN
V
CC
ACOM AUDIO GND
GND
V
EE
WRITE
CLOCK IN
FRONT/REAR TC FILTER
LOW BAND TC FILTER
HIGH BAND TC FILTER
FRONT/REAR DET.
FRONT/REAR (L—R) DET.
FRONT/REAR (L+R) DET.
AUTOBALANCE LOCKOUT
AUTOBALANCE TC
DGND
CLK
DATA
LATCH
DVDD
OUT4
OUT1
OUT2
OUT3
AVDD
LBASS1
LBASS2
LBASS3
LTRE
BYPASSL
BYPASSR
Lin
Rin
GNDL
GNDR
Cin
GNDC
SLin
SRin
GNDS
SWin
AVSS
AGND
Lout
Rout
Cout
SLout
SRout
RBASS1
RBASS2
RBASS3
RTRE
CL2
CL1
CR2
CR1
SW out
21
20
19
18
17
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
tone
tone
volume
volume
volume
volume
volume
volume
MCU
I/F
OUT-
PUT
PORT
16
BLOCK DIAGRAM
QQ03 : SSM2005
QG01 : M62446
PIN CONFIGURATION
PIN FUNCTION
FM
S
D
ADJ
FM
3 rd 5 th
DECODER
ANTI-BIRDIE
Q201 : LA1837
QM01 : LB1641
