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WM8994ECS/R 数据表(PDF) 279 Page - Cirrus Logic

部件名 WM8994ECS/R
功能描述  Multi-channel Audio Hub CODEC for Smartphones
PDF  363 Pages
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制造商  CIRRUS [Cirrus Logic]
网页  http://www.cirrus.com
标志 CIRRUS - Cirrus Logic

WM8994ECS/R 数据表(HTML) 279 Page - Cirrus Logic

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WM8994
Rev 4.6
279
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R84 (54h) DC
Servo (1)
13
DCS_TRIG_SIN
GLE_1
0
Writing 1 to this bit selects a single DC offset correction for
HPOUT1R.
In readback, a value of 1 indicates that the DC Servo single
correction is in progress.
12
DCS_TRIG_SIN
GLE_0
0
Writing 1 to this bit selects a single DC offset correction for
HPOUT1L.
In readback, a value of 1 indicates that the DC Servo single
correction is in progress.
9
DCS_TRIG_SE
RIES_1
0
Writing 1 to this bit selects a series of DC offset corrections
for HPOUT1R.
In readback, a value of 1 indicates that the DC Servo DAC
Write correction is in progress.
8
DCS_TRIG_SE
RIES_0
0
Writing 1 to this bit selects a series of DC offset corrections
for HPOUT1L.
In readback, a value of 1 indicates that the DC Servo DAC
Write correction is in progress.
5
DCS_TRIG_STA
RTUP_1
0
Writing 1 to this bit selects Start-Up DC Servo mode for
HPOUT1R.
In readback, a value of 1 indicates that the DC Servo Start-
Up correction is in progress.
4
DCS_TRIG_STA
RTUP_0
0
Writing 1 to this bit selects Start-Up DC Servo mode for
HPOUT1L.
In readback, a value of 1 indicates that the DC Servo Start-
Up correction is in progress.
3
DCS_TRIG_DA
C_WR_1
0
Writing 1 to this bit selects DAC Write DC Servo mode for
HPOUT1R.
In readback, a value of 1 indicates that the DC Servo DAC
Write correction is in progress.
2
DCS_TRIG_DA
C_WR_0
0
Writing 1 to this bit selects DAC Write DC Servo mode for
HPOUT1L.
In readback, a value of 1 indicates that the DC Servo DAC
Write correction is in progress.
1
DCS_ENA_CHA
N_1
0
DC Servo enable for HPOUT1R
0 = Disabled
1 = Enabled
0
DCS_ENA_CHA
N_0
0
DC Servo enable for HPOUT1L
0 = Disabled
1 = Enabled
Register 54h DC Servo (1)
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R85 (55h) DC
Servo (2)
11:5
DCS_SERIES_
NO_01 [6:0]
010_1010
Number of DC Servo updates to perform in a series event.
0 = 1 update
1 = 2 updates
...
127 = 128 updates
3:0
DCS_TIMER_P
ERIOD_01 [3:0]
1010
Time between periodic updates. Time is calculated as
0.251s x (2^PERIOD),
where PERIOD = DCS_TIMER_PERIOD_01.
0000 = Off
0001 = 0.502s
….
1010 = 257s (4min 17s)
1111 = 8225s (2hr 17min)
Register 55h DC Servo (2)



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