Pre-Production
WM8904
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
DC Offset value for LINEOUTR in
DAC Write DC Servo mode in two's
complement format.
R73 (49h)
DC Servo 6
7:0
DCS_DAC_WR_V
AL_3 [7:0]
0000 0000
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
DC Offset value for LINEOUTL in DAC
Write DC Servo mode in two's
complement format.
R74 (4Ah)
DC Servo 7
7:0
DCS_DAC_WR_V
AL_2 [7:0]
0000 0000
0000 0000
0000 0000
0000
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 Offset value for HPOUTR in DAC
Write DC Servo mode in two's
complement format.
7:0
DCS_DAC_WR_V
AL1 [7:0]
DC Servo 8
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 Offset value for HPOUTL in DAC
Write DC Servo mode in two's
complement format.
7:0
DCS_DAC_WR_V
AL0 [7:0]
DC Servo 9
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
DC Servo Complete status
[3] - LINEOUTR
R77 (4Dh)
11:8
DCS_CAL_COMP
LETE [3:0]
DC Servo
Readback 0
[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.
PP, Rev 3.3, September 2012
87
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
