WM8912 datasheet(109/129 Pages) CIRRUS

109 / 129 page

Production Data

WM8912

PD, Rev 4.1, February 2013

109

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

In readback, a value of 1 indicates that the DC Servo

Start-Up correction is in progress.

DCS_TRIG_ST

ARTUP_1

Writing 1 to this bit selects Start-Up DC Servo mode for

HPOUTR.

In readback, a value of 1 indicates that the DC Servo

Start-Up correction is in progress.

DCS_TRIG_ST

ARTUP_0

Writing 1 to this bit selects Start-Up DC Servo mode for

HPOUTL.

In readback, a value of 1 indicates that the DC Servo

Start-Up correction is in progress.

DCS_TRIG_DA

C_WR_3

Writing 1 to this bit selects DAC Write DC Servo mode

for LINEOUTR.

In readback, a value of 1 indicates that the DC Servo

DAC Write correction is in progress.

DCS_TRIG_DA

C_WR_2

Writing 1 to this bit selects DAC Write DC Servo mode

for LINEOUTL.

In readback, a value of 1 indicates that the DC Servo

DAC Write correction is in progress.

DCS_TRIG_DA

C_WR_1

Writing 1 to this bit selects DAC Write DC Servo mode

for HPOUTR.

In readback, a value of 1 indicates that the DC Servo

DAC Write correction is in progress.

DCS_TRIG_DA

C_WR_0

Writing 1 to this bit selects DAC Write DC Servo mode

for HPOUTL.

In readback, a value of 1 indicates that the DC Servo

DAC Write correction is in progress.

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

R69 (45h)

DC Servo 2

11:8

DCS_TIMER_P

ERIOD_23

[3:0]

1010

Time between periodic updates for

LINEOUTL/LINEOUTR. Time is calculated as 0.256s x

(2^PERIOD)

0000 = Off

0001 = 0.52s

1010 = 266s (4min 26s)

1111 = 8519s (2hr 22s)

3:0

DCS_TIMER_P

ERIOD_01

[3:0]

1010

Time between periodic updates for HPOUTL/HPOUTR.

Time is calculated as 0.256s x (2^PERIOD)

0000 = Off

0001 = 0.52s

1010 = 266s (4min 26s)

1111 = 8519s (2hr 22s)

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

R71 (47h)

DC Servo 4

6:0

DCS_SERIES_

NO_23 [6:0]

010_1010 Number of DC Servo updates to perform in a series

event for LINEOUTL/LINEOUTR.

0 = 1 updates

1 = 2 updates

...

127 = 128 updates

WM8912 датащи(PDF) 109 Page - Cirrus Logic

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