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PT2353 V1.2

- 4 -

March, 2006

Satellite + Subwoofer 3-Speaker System Electronics Crossover IC

PT2353

PIN CONFIGURATION

Pin Name

I/O

Description

Pin No.

/3D

I

3D Effect Enable Pin (Low: active)

1

VSS

―

Ground Pin

2

LOUT

O

Left Channel Output Pin

3

LIN

I

Left Channel Input Pin

4

LT

I

Left Channel Center Tap (Loudness) Pin

5

CL1

I

Left Channel High Pass Filter Capacitor Pin 1

6

CL2

I

Left Channel High Pass Filter Capacitor Pin 2

7

CL3

I

Left Channel High Pass Filter Capacitor Pin 3

8

/SUP

I

Subwoofer Channel Volume Up Control Pin (Low: active)

9

/SDW

I

Subwoofer Channel Volume Down Control Pin (Low: active)

10

/MUP

I

Main Volume Up Control Pin (Low: active)

11

/MDW

I

Main Volume Down Control Pin (Low: active)

12

OSC

I

Oscillation Pin (connects to external RC components)

13

/PK

I

PO Control Pin (Low: active)

14

PO

O

Power Amplifier Control Pin (controlled by PK pin 14)

15

SOUT

O

Subwoofer Channel Output Pin

16

C1P

I

Low Pass Filter External Capacitor Pin

17

C1N

I

Low Pass Filter External Capacitor Pin

18

REF

I

Reference Voltage = ½ VDD

19

C2

I

Low Pass Filter External Capacitor Pin 2

20

CR3

I

Right Channel High Pass Filter Capacitor Pin 3

21

CR2

I

Right Channel High Pass Filter Capacitor Pin 2

22

CR1

I

Right Channel High Pass Filter Capacitor Pin 1

23

RT

I

Right Channel Volume Center Tap (Loudness) Pin

24

RIN

I

Right Channel Input Pin

25

ROUT

O

Right Channel Output Pin

26

VDD

―

Positive Power Supply

27

3D-LED O

3D LED Indicator Pin

28