WM8912 datasheet(50/129 Pages) CIRRUS

50 / 129 page

WM8912

Production Data

PD, Rev 4.1, February 2013

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

R74 (4Ah)

DC Servo 7

7:0

DCS_DAC_WR_V

AL_2 [7:0]

0000 0000

DC Offset value for LINEOUTL in DAC

Write DC Servo mode in two's

complement format.

In readback, the current DC offset

value is returned in two's complement

format.

Two’s complement format:

LSB is 0.25mV.

Range is +/-32mV

R75 (4Bh)

DC Servo 8

7:0

DCS_DAC_WR_V

AL1 [7:0]

0000 0000

DC Offset value for HPOUTR in DAC

Write DC Servo mode in two's

complement format.

In readback, the current DC offset

value is returned in two's complement

format.

Two’s complement format:

LSB is 0.25mV.

Range is +/-32mV

R76 (4Ch)

DC Servo 9

7:0

DCS_DAC_WR_V

AL0 [7:0]

0000 0000

DC Offset value for HPOUTL in DAC

Write DC Servo mode in two's

complement format.

In readback, the current DC offset

value is returned in two's complement

format.

Two’s complement format:

LSB is 0.25mV.

Range is +/-32mV

R77 (4Dh)

DC Servo

Readback 0

11:8

DCS_CAL_COMP

LETE [3:0]

0000

DC Servo Complete status

[3] - LINEOUTR

[2] - LINEOUTL

[1] - HPOUTR

[0] - HPOUTL

0 = DAC Write or Start-Up DC Servo

mode not completed.

1 = DAC Write or Start-Up DC Servo

mode complete.

7:4

DCS_DAC_WR_C

OMPLETE [3:0]

0000

DC Servo DAC Write status

[3] - LINEOUTR

[2] - LINEOUTL

[1] - HPOUTR

[0] - HPOUTL

0 = DAC Write DC Servo mode not

completed.

1 = DAC Write DC Servo mode

complete.

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