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PT2318

Sound Fader Controller IC

Princeton Technology 

Tel: 886-2-66296288

Fax: 886-2-29174598

URL: http://www.princeton.com.tw

Sound Fader Controller IC

PIN DESCRIPTION

Pin Name

SDA

GND

SL_OUT

FL_OUT

TRE_L

BAS2_L

BAS1_L

VOL1_L

LOUD_L

SEL_L

IN_L4

MUTE

IN_L3

MONO

IN_L2

IN_L1

IN_R1

IN_R2

CAP

IN_R3

VREF

IN_R4

SEL_R

LOUD_R

VOL1_R

BAS1_R

BAS2_R

TRE_R

FR_OUT

SR_OUT

VCC

SCL

I/O

Description

I Serial Data Input Pin

- Ground

O Left Rear Channel Output Pin

O Left Front Channel Output Pin

I/O

Left Channel Treble Control Pin

or may be used as External Equalizer Input Pin

I/O

Left Channel Bass Control Pin

or may be used as External Equalizer Output Pin

I Left Channel Bass Control Pin

I Left Control Section Volume Input Pin

I Left Control Section Loudness Input Pin

O Left Channel Output Source Selector

I Left Channel Source 4 Input Pin

I Mute Function Control Pin

I Left Channel Source 3 Input Pin

I Input “MONO” Source

I Left Channel Source 2 Input Pin

I Left Channel Source 1 Input Pin

I Right Channel Source 1 Input Pin

I Right Channel Source 2 Input Pin

- Supply Electronic Filtering

I Right Channel Source 3 Input Pin

- Reference Voltage (0.5Vcc)

I Right Channel Source 4 Input Pin

O Right Channel Output Source Selector

I Right Control Section Loudness Input Pin

I Right Control Section Volume 1 Input Pin

I Right Channel Bass Control Pin

I/O

Right Channel Bass Control Pin

Or may be used as External Equalizer Output Pin

I/O

Right Channel Treble Control Pin

Or may be used as External Equalizer Input Pin

O Right Front Output Pin

O Right Rear Output Pin

- Supply Voltage

I Serial Clock Input Pin

PT2318

Pin No.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

PT2318 V1.2

-4-

March, 2006

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