WM8736

Production Data

WOLFSON MICROELECTRONICS LTD

PD Rev 2.1 January 2001

6

PIN DESCRIPTION

PIN

NAME

TYPE

DESCRIPTION

1

DVDD

Supply

Digital positive supply.

2

SCKI

Digital input

System clock input (256, 384 or 512fs).

3

BCKIN

Digital input

Audio data bit clock input.

4

LRCIN

Digital input

Left sample rate clock input.

5

DIN0

Digital input

Channel 0 serial audio data input.

6

DIN1

Digital input

Channel 1 serial audio data input.

7

DIN2

Digital input

Channel 2 serial audio data input.

8

MODE

Digital input

Mode select pin. Low is software mode, high is hardware control.

Internal pull-down.

9

MUTE

Digital I/O

Mute control pin, input or automute output.

Low is not mute, high is mute, Z is automute.

10

RSTB

Digital input

Reset input

− active low. Internal pull-up.

11

DGND

Supply

Digital ground supply

12

ML/I2S

Digital input

Latch enable (software mode) or input format selection (hardware mode).

Internal pull-up.

13

MC/IWL

Digital input

Serial control data clock input (software mode) or input word length

selection (hardware mode). Internal pull-up.

14

MD/DM

Digital input

Serial control data input (software mode) or de-emphasis selection

(hardware mode).

15

AVDD1

Supply

Analogue positive supply.

16

CAP

Analogue output

Analogue internal reference.

17

OUT2L

Analogue output

Left channel 2 output.

18

GR2

Analogue input

Channel 2 reference.

19

OUT2R

Analogue output

Right channel 2 output.

20

AGND1

Supply

Analogue ground supply.

21

OUT1L

Analogue output

Left channel 1 output.

22

GR1

Analogue input

Channel 1 reference.

23

OUT1R

Analogue output

Right channel 1 output.

24

AGND2

Supply

Analogue ground supply.

25

OUT0L

Analogue output

Left channel 0 output.

26

GR0

Analogue input

Channel 0 reference.

27

OUT0R

Analogue output

Right channel 0 output.

28

AVDD2

Supply

Analogue positive supply.

Note:

Digital input pins have Schmitt trigger input buffers.