AV2188

June 2, 2000

4-20

PIN ASSIGNMENT

PIN DESCRIPTION

Pin Name

Pin #

Type

Description

DIGITAL

SD1

1

I

Audio Serial Data Input 1, data can be 20bit/24bit, Right justified, or 24bit Left

justified, or 24bit I2S, all in 2’s complement format.

SD2

2

I

Audio Serial Data Input 2, data can be 20bit/24bit, Right justified, or 24bit Left

justified, or 24bit I2S, all in 2’s complement format.

SD3

3

I

Audio Serial Data Input 3, data can be 20bit/24bit, Right justified, or 24bit Left

justified, or 24bit I2S, all in 2’s complement format.

SDOUT

4

O

Serial Audio Output pin, data can be in 20bit Right justified or 20bit I2S format.

SC

5

I

Audio Serial Data Clock pin.

SF

6

I

Left/Right Channel Clock pin. For Left justified or Right justified mode, a high in

SF indicates Left Channel Data, a low in SF indicates Right Channel Data. For

I2S mode, a low in SF indicates Left Channel Data, a high in SF indicates Right

Channel Data.

DVSS

7

GND

Digital ground

DVDD

8

+5V

Digital power supply.

SD1

SD2

SD3

SDOUT

SC

SF

DGND

DVDD

DGND

XCK

SCL

SDA

TST

RST

AR3

AL3

AR2

AL2

AR1

AL1

AGND

CM2

AVDD

CM1

AGND

RIN

LIN

N/C

1

2

3

4

5

6

7

8

9

10

11

12

13

14

28

27

26

25

24

23

22

21

20

19

18

17

16

15