SRC4392_14 datasheet(10/94 Pages) TI1

Part #	SRC4392

Description	Two-Channel, Asynchronous Sample Rate Converter with Integrated Digital Audio Interface Receiver and Transmitter

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Manufacturer	TI1 [Texas Instruments]

Direct Link	http://www.ti.com

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BCKB

RX1+

RX2+

RX2

-

RX3+

VCC

AGND

LOCK

RXCKO

SYNC

BLS

AESOUT

VDD33

TX+

TX

-

DGND2

GPO2

GPO1

MCLK

1

2

3

4

5

6

7

8

9

10

30

29

28

27

26

25

24

23

22

21

11

12

13

14

15

16

17

18

19

20

40

39

38

37

36

35

34

33

32

31

RX1

-

36

35

34

33

32

31

30

29

28

27

26

25

SYNC

BLS

AESOUT

VDD33

TX+

TX

-

DGND2

GPO4

GPO3

GPO2

GPO1

MCLK

1

2

3

4

5

6

7

8

9

10

11

12

RX1+

RX1

-

RX2+

RX2

-

RX3+

RX3

-

RX4+

RX4

-

VCC

AGND

LOCK

RXCKO

48

47

46

45

44

43

42

41

40

39

38

13

14

15

16

17

18

19

20

21

22

23

37

24

NC = No Connection

SRC4392

SBFS029D – DECEMBER 2005 – REVISED DECEMBER 2012

www.ti.com

PFB PACKAGE

TQFP-48

RKP PACKAGE

(Top View)

QFN-40

(Top View)

NC = No connection.

PIN DESCRIPTIONS

PIN NO.

NAME

PFB

RKP

I/O

DESCRIPTION

AESOUT

34

28

Output

DIT buffered AES3-encoded data

AGND

10

8

Ground

DIR comparator and PLL power-supply ground

BCKA

37

31

I/O

Audio serial Port A bit clock

BCKB

48

1

I/O

Audio serial Port B bit clock

Substrate ground, connect to AGND (pin 10 for PFB package, pin 8 for

BGND

44

37

Ground

RKP package)

BLS

35

29

I/O

DIT block start clock

CCLK or SCL

20

16

Input

Serial data clock for SPI mode or I2C mode

CDIN orA1

21

17

Input

SPI port serial data input or programmable slave address for I2C mode

CDOUT or SDA

22

18

I/O

SPI port serial data output (3-state output) or serial data I/O for I2C

mode

Control port mode

CPM

18

14

Input

(0 = SPI mode, 1 = I2C mode)

CS or A0

19

15

Input

Chip select (active low) for SPI mode or programmable slave address

for I2C mode

DGND1

16

12

Ground

Digital core ground

DGND2

30

24

Ground

DIR line receiver bias and DIT line driver digital ground

DGND3

43

36

Ground

Logic I/O ground

GPO1

26

22

Output

General-purpose output 1

GPO2

27

23

Output

General-purpose output 2

GPO3

28

—

Output

General-purpose output 3

GPO4

29

—

Output

General-purpose output 4

INT

23

19

Output

Interrupt flag (open-drain, active low)

LOCK

11

9

Output

DIR PLL lock flag (active low)

10

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