WM8786

Pre-Production

w

PP Rev 3.0 December 2005

4

PIN DESCRIPTION

PIN

NAME

TYPE

DESCRIPTION

1

AINL+

Analogue Input

Left Channel Positive Input

2

AINL-

Analogue Input

Left Channel Negative Input

3

VREFGND

Analogue Reference

Negative Reference Connection

4

AVDD

Supply

Analogue Supply

5

AGND

Supply

Analogue Ground (return path for AVDD)

6

LRCLK

Digital Input / Output

Audio Interface Left / Right Clock

7

DOUT

Digital Output

ADC Digital Audio Data

8

BCLK

Digital Input / Output

Audio Interface Bit Clock

9

MCLK

Digital Input

Master Clock

10

MS0

(pull down pad)

Digital Input

Master/Slave Control

0 = Slave Mode Audio Interface

1 = Master Mode Audio Interface @ 256fs (or @128fs in quad rate)

11

AUDIOF0

Digital Input

12

AUDIOF1

Digital Input

Audio Format Selection

00 = 24 bit right justified audio data format

01 = 24 bit left audio data format

10 = I

11 = DSP audio data format

13

OSR0

(pull down pad)

Digital Input

14

OSR1

Digital Input

Oversampling Rate Control

00 = Single rate (48kHz)

01 = Dual rate (96kHz)

10 = Quad rate (192kHz)

11 = Not valid

15

DVDD

Supply

Digital Supply

16

DGND

Supply

Digital Ground (return path for DVDD)

17

VMID

Analogue Output

Midrail Voltage Decoupling Capacitor

18

VREF

Analogue Reference

Reference Voltage Decoupling Capacitor

19

AINR-

Analogue Input

Right Channel Negative Input

20

AINR+

Analogue Input

Right Channel Positive Input