wm8918 Wolfson Microelectronics plc, wm8918 Datasheet - Page 152

• Manufacturer Part Number: wm8918
• Description: Ultra Low Power Dac For Portable Audio Applications
• Manufacturer: Wolfson Microelectronics plc

WM8918
Register 44h DC Servo 1
Register 45h DC Servo 2
Register 47h DC Servo 4
Register 48h DC Servo 5
w
DC Servo 2
DC Servo 4
DC Servo 5
REGISTER
REGISTER
REGISTER
REGISTER
ADDRESS
ADDRESS
ADDRESS
ADDRESS
R69 (45h)
R71 (47h)
R72 (48h)
11:8
BIT
BIT
BIT
BIT
3:0
6:0
6:0
1
0
7
5
DCS_TRIG_DA
DCS_TRIG_DA
DCS_TIMER_P
DCS_TIMER_P
DCS_SERIES_
DCS_SERIES_
ERIOD_23[3:0]
ERIOD_01[3:0]
NO_23[6:0]
NO_01[6:0]
C_WR_1
C_WR_0
LABEL
LABEL
LABEL
LABEL
1
1
DEFAULT
DEFAULT
DEFAULT
DEFAULT
010_1010 Number of DC Servo updates to perform in a series
010_1010 Number of DC Servo updates to perform in a series
1010
1010
0
0
1
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.
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.
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)
[No description available]
[No description available]
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)
event for LINEOUTL/LINEOUTR.
0 = 1 updates
1 = 2 updates
...
127 = 128 updates
event for HPOUTL/HPOUTR.
0 = 1 updates
1 = 2 updates
...
127 = 128 updates
DESCRIPTION
DESCRIPTION
DESCRIPTION
DESCRIPTION
PD, Rev 4.0, September 2010
REFER TO
REFER TO
REFER TO
REFER TO
Production Data
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