Texas Instruments DEM-DAI3793A User Manual

HPOR/LOR

AIN2L

BCK

AIN2R

24

1

23

2

22

3

21

4

20

5

19

6

18

7

17

8

16

25

15

26

14

27

13

28

12

29

11

30

10

31

9

32

SPOLP

AIN3L

SPOLN

AIN3R

PGND

MICB

V

PA

V

C

C

SPORP

AGND

SPORN

V

C

O

M

HPCOM/MONO

HPOL/L

OL

AIN1R

DIN

AIN1L

DOUT

MODE

V

IO

MS/ADR

V

D

D

MD/SDA

DGND

MC/SCL

SCKI

LRCK

HDTI

HPOR/LOR

AIN2L

BCK

AIN2R

24

1

23

2

22

3

21

4

20

5

19

6

18

7

17

8

16

25

15

26

14

27

13

28

12

29

11

30

10

31

9

32

NC

AIN3L

NC

AIN3R

PGND

MICB

V

PA

V

C

C

NC

AGND

NC

V

C

O

M

HPCOM/MONO

HPOL/L

OL

AIN1R

DIN

AIN1L

DOUT

MODE

V

IO

MS/ADR

V

D

D

MD/SDA

DGND

MC/SCL

SCKI

LRCK

HDTI

and

show the pin assignments for the PCM3793A/94A.

lists the terminal

functions.

AGND

19

19

–

Ground for analog

AIN1L

27

27

I

Analog input 1 for L-channel

AIN1R

26

26

I

Analog input 1 for R-channel

AIN2L

25

25

I

Analog input 2 for L-channel

AIN2R

24

24

I

Analog input 2 for R-channel

AIN3L

23

23

I

Analog input 3 for L-channel

AIN3R

22

22

I

Analog input 3 for R-channel

BCK

1

1

I/O

Serial bit clock

DGND

6

6

–

Digital ground

DIN

2

2

I

Serial audio data input

DOUT

3

3

O

Serial audio data output

HDTI

8

8

I

Headphone plug insertion detection

HPCOM/MONO

9

9

O

Headphone common/mono line output

HPOL/LOL

17

17

O

Headphone/lineout for R-channel

HPOR/LOR

16

16

O

Headphone/lineout for L-channel

LRCK

32

32

I/O

Left and right channel clock

MC/SCL

31

31

I

Mode control clock for three-wire/two-wire interface

MD/SDA

30

30

I/O

Mode control data for three-wire/two-wire interface

MICB

21

21

O

Microphone bias source output

MODE

28

28

I

Two- or three-wire interface selection (low: SPI; high: I

2

C)

MS/ADR

29

29

I

Mode control select for three-wire/two-wire interface

PGND

13

13

–

Ground for speaker power amplifier

14

SBAU127 – July 2007