WS9623AB3DF

Datasheet (V1.2)

Copyright © Vimicro_wx, Inc. 1999-2014

7

PIN DESCRIPTION

[Table 1] PIN Descriptions by Order

ORDER

PIN NAME

DIR

POWER

DESCRIPTION

1

RST

AI

AVDDBAT Rest for deadlock.

2

PWR

AI

AVDDBAT High level (BAT voltage) means button is turned on.

3

VOL5

AIO

AVDDBAT

LDO5 (3.3V) output. Power Supply for Audio an HP (AVDD33 power

domain).

4

HPOUTLP

A, O

AVDD18

Headphone left channel output (Positive).

5

HPOUTLN

A, O

AVDD18

Headphone left channel output (Negative).

6

HPOUTRP

A, O

AVDD18

Headphone right channel output (Positive).

7

HPOUTRN

A, O

AVDD18

Headphone right channel output (Negative).

8

VSS

P

AVDD33

Ground for Audio.

9

VREF

AIO

AVDD33

Internal reference voltage output,

10

MBIAS

AIO

AVDD33

Microphone bias voltage output, tied 2.2

μF capacitor to AVSS.

11

MICLP

A, O

AVDD33

Microphone left channel input, positive end.

12

MICLN

A, I

AVDD33

Microphone left channel input, negative end.

13

MICRP

A, I

AVDD33

Microphone right channel input, positive end.

14

MICRN

A, I

AVDD33

Microphone right channel input, negative end.

15

VCOM

A, I

AVDD33

Common mode reference voltage.

16

GPIO[15]

B

VDD33

General purpose IO.

17

GPIO[14]

B

VDD33

General purpose IO.

18

GPIO[13]

B

VDD33

General purpose IO.

19

VDD12_1

P

DVDD12

Digital core power.

20

GPIO[12]

B

VDD33

General purpose IO.

21

GPIO[11]

B

VDD33

General purpose IO.

22

GPIO[10]

B

VDD33

General purpose IO.

23

GPIO[9]

B

VDD33

General purpose IO.

24

GPIO[8]

B

VDD33

General purpose IO.

25

VDD33

P

DVDD33

Digital I/O power.

26

GPIO[7]

B

VDD33

General purpose IO.

27

GPIO[6]

B

VDD33

General purpose IO.

28

GPIO[5]

B

VDD33

General purpose IO.

29

VDD12_2

P

DVDD12

Digital core power.

30

GPIO[4]

B

VDD33

General purpose IO.

31

GPIO[3]

B

VDD33

General purpose IO.

32

GPIO[2]

B

VDD33

General purpose IO.

33

GPIO[1]

B

VDD33

General purpose IO.

34

VDDA_PAMID

P,O

AVDD125

PA supply. LDO output, connect to decoupling cap.

35

RF_RTXP

AIO

AVDD125 RF input/output, drive SAW filter. Require on board matching network.

36

AVDD_RF

P

AVDD125

RF front end supply.LDO output, connect to decoupling cap.

37

VDD_ADDA

P

AVDD125

analog vdd,

LDO output, connect to decoupling cap.

38

XTAL_IN

AIO

AVDD125 XTAL input, connect to crystal.