WM5102 datasheet(8/334 Pages) WOLFSON

8 / 334 page

WM5102

Production Data

PD, June 2014, Rev 4.2

PIN DESCRIPTION

A description of each pin on the WM5102 is provided below.

Note that a table detailing the associated power domain for every input and output pin is provided on the following page.

Note that, where multiple pins share a common name, these pins should be tied together on the PCB.

All Digital Output pins are CMOS outputs, unless otherwise stated.

PIN NO

NAME

TYPE

DESCRIPTION

B3, B4, B7,

C3, C4, C5,

C6, C7, C8,

F2, F3, G3,

H3, J3, L3

AGND

Supply

Analogue ground (Return path for AVDD)

J13

AIF1BCLK

Digital Input / Output

Audio interface 1 bit clock

J11

AIF1RXDAT

Digital Input

Audio interface 1 RX digital audio data

J12

AIF1LRCLK

Digital Input / Output

Audio interface 1 left / right clock

AIF1TXDAT

Digital Output

Audio interface 1 TX digital audio data

AIF2BCLK

Digital Input / Output

Audio interface 2 bit clock

AIF2RXDAT

Digital Input

Audio interface 2 RX digital audio data

AIF2LRCLK

Digital Input / Output

Audio interface 2 left / right clock

AIF2TXDAT

Digital Output

Audio interface 2 TX digital audio data

AIF3BCLK

Digital Input / Output

Audio interface 3 bit clock

AIF3RXDAT

Digital Input

Audio interface 3 RXdigital audio data

AIF3LRCLK

Digital Input / Output

Audio interface 3 left / right clock

AIF3TXDAT

Digital Output

Audio interface 3 TX digital audio data

A3, A7, M3

AVDD

Supply

Analogue supply

L13

CIF1ADDR

Digital Input

Control interface 1 (I2C) address select

K12

CIF1SCLK

Digital Input

Control interface 1 clock input

K11

CIF1SDA

Digital Input / Output

Control interface 1 data input and output / acknowledge output.

The output function is implemented as an Open Drain circuit.

M13

CIF2MOSI

Digital Input

Control interface 2 Master Out / Slave In data

CIF2MISO

Digital Output

Control interface 2 Master In / Slave Out data

L12

CIF2SCLK

Digital Input

Control interface 2 clock input

L11

CIF2SS

¯¯¯¯¯¯

Digital Input

Control interface 2 Slave Select (SS)

CP1CA

Analogue Output

Charge pump 1 fly-back capacitor pin

B10

CP1CB

Analogue Output

Charge pump 1 fly-back capacitor pin

A10

CP1VOUTN

Analogue Output

Charge pump 1 negative output decoupling pin

CP1VOUTP

Analogue Output

Charge pump 1 positive output decoupling pin

C11

CP2CA

Analogue Output

Charge pump 2 fly-back capacitor pin

B11

CP2CB

Analogue Output

Charge pump 2 fly-back capacitor pin

A11

CP2VOUT

Analogue Output

Charge pump 2 output decoupling pin / Supply for LDO2

C10

CPGND

Supply

Charge pump 1 & 2 ground (Return path for CPVDD)

CPVDD

Supply

Supply for Charge Pump 1 & 2

G13, M10

DBVDD1

Supply

Digital buffer (I/O) supply (core functions and Audio Interface 1)

DBVDD2

Supply

Digital buffer (I/O) supply (for Audio Interface 2)

DBVDD3

Supply

Digital buffer (I/O) supply (for Audio Interface 3)

G11, M8

DCVDD

Supply

Digital core supply

E5, E6, E7,

E8, E9, F5,

F6, F7, F8,

F9, G5, G6,

G7, G8, G9,

G12, H5, H6,

H7, H8, H9,

DGND

Supply

Digital ground

(Return path for DCVDD, DBVDD1, DBVDD2 and DBVDD3)

EPOUTP

Analogue Output

Earpiece positive output

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