SSM2005

–6–

REV. 0

PIN FUNCTION DESCRIPTION

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

Negative Supply

12

ACOM Audio GND

Audio Ground

13

GND

Power Ground

14

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

Negative Supply

36

GND

Power Ground

37

ACOM Audio GND

Audio Ground

38

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