STA323W datasheet(5/41 Pages) STMICROELECTRONICS

Part #	STA323W

Description	2.1 HIGH EFFICIENCY DIGITAL AUDIO SYSTEM

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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STA323W

Table 2. Pin Description

TYPE

NAME

DESCRIPTION

1N.C.

N.C.

2N.C.

N.C.

3

O

OUT2B

Output half bridge 2B

4

I/O

VCC2B

Positive supply

5

Reserved

Test pin to be externally connected to Ground

6

I/O

GND2B

Negative Supply

7

I/O

GND2A

Negative Supply

8

I/O

VCC2A

Positive supply

9

O

OUT2A

Output half bridge 2A

10

O

OUT1B

Output half bridge 1B

11

I/O

VCC1B

Positive supply

12

I/O

GND1B

Negative Supply

13

I/O.

GND1A

Negative Supply

14

N.C.

15

I/O

VCC1A

Positive supply

16

O

OUT1A

Output half bridge 1A

17

I/O

GNDCLEAN

Logical ground

18

I/O

GNDREG

Substrate ground

19

I/O

VDD DIGITAL

Logic Supply

20

I/O

VL

Logic Supply

21

I

CONFIG

Logic Levels

22

I

RESET

Reset

23

I

SCL

I²C Serial Clock

24

I/O

SDA

I²C Serial Data

25

RES

Reserved

This pin must be connected to GND

26

I

PLL FILTER

Connection to PLL filter

27

I

XTI

PLL Input Clock

28

I/O

Analog Ground

29

I/O

Analog Supply

Analog Supply 3.3

30

I

SDI_12

I²S Serial Data Channels 1 & 2

31

I/O

LRCKI

I²S Left/Right Clock,

32

I

BICKI

I²S Serial Clock

33

I/O

Digital Ground

34

I/O

Digital Supply

Digital Supply 3.3V

35

I/O

VSS DIGITAL

5V Regulator referred to +Vcc

36

I/O

VCCDIGITAL

5V Regulator referred to ground

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