WM8960 datasheet(70/92 Pages) WOLFSON

70 / 92 page

WM8960

Production Data

PD, August 2013, Rev 4.2

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

ADCHPD

ADC High Pass Filter Disable

0 = Enable high pass filter on left and right

channels

1 = Disable high pass filter on left and right

channels

Analogue to

Digital Converter

R6 (06h)

ADC and

DAC

Control (2)

8:7

Reserved

6:5

DACPOL[1:0]

DAC polarity control:

00 = Polarity not inverted

01 = DAC L inverted

10 = DAC R inverted

11 = DAC L and R inverted

Output Signal

Path

Reserved

DACSMM

DAC Soft Mute Mode

0 = Disabling soft-mute (DACMU=0) will cause

the volume to change immediately to the

LDACVOL / RDACVOL settings

1 = Disabling soft-mute (DACMU=0) will cause

the volume to ramp up gradually to the

LDACVOL / RDACVOL settings

Output Signal

Path

DACMR

DAC Soft Mute Ramp Rate

0 = Fast ramp (24kHz at fs=48k, providing

maximum delay of 10.7ms)

1 = Slow ramp (1.5kHz at fs=48k, providing

maximum delay of 171ms)

Output Signal

Path

DACSLOPE

Selects DAC filter characteristics

0 = Normal mode

1 = Sloping stopband

Output Signal

Path

Reserved

R7 (07h)

Audio

Interface

ALRSWAP

Left/Right ADC Channel Swap

1 = Swap left and right ADC data in audio

interface

0 = Output left and right data as normal

Audio Interface

Control

BCLKINV

BCLK invert bit (for master and slave modes)

0 = BCLK not inverted

1 = BCLK inverted

Audio Interface

Control

Master / Slave Mode Control

0 = Enable slave mode

1 = Enable master mode

Audio Interface

Control

DLRSWAP

Left/Right DAC Channel Swap

0 = Output left and right data as normal

1 = Swap left and right DAC data in audio

interface

Audio Interface

Control

LRP

Right, left and I

2S modes – LRCLK polarity

0 = normal LRCLK polarity

1 = invert LRCLK polarity

Audio Interface

Control

DSP Mode – mode A/B select

0 = MSB is available on 2nd BCLK rising edge

after LRC rising edge (mode A)

1 = MSB is available on 1st BCLK rising edge

after LRC rising edge (mode B)

3:2

WL[1:0]

Audio Data Word Length

00 = 16 bits

01 = 20 bits

10 = 24 bits

11 = 32 bits (see Note)

Audio Interface

Control

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