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WM8912 데이터시트(PDF) 49 Page - Wolfson Microelectronics plc

부품명 WM8912
상세설명  Ultra Low Power DAC with Headphone Driver for Portable Audio Applications
PDF  128 Pages
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제조업체  WOLFSON [Wolfson Microelectronics plc]
홈페이지  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8912 데이터시트(HTML) 49 Page - Wolfson Microelectronics plc

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Production Data
WM8912
w
PD, Rev 4.0, September 2010
49
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
5
DCS_TRIG_STAR
TUP_1
0
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.
4
DCS_TRIG_STAR
TUP_0
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.
3
DCS_TRIG_DAC_
WR_3
0
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.
2
DCS_TRIG_DAC_
WR_2
0
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.
1
DCS_TRIG_DAC_
WR_1
0
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.
0
DCS_TRIG_DAC_
WR_0
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.
R67 (43h)
DC Servo 0
3
DCS_ENA_CHAN
_3
0
DC Servo enable for LINEOUTR
0 = disabled
1 = enabled
2
DCS_ENA_CHAN
_2
0
DC Servo enable for LINEOUTL
0 = disabled
1 = enabled
1
DCS_ENA_CHAN
_1
0
DC Servo enable for HPOUTR
0 = disabled
1 = enabled
0
DCS_ENA_CHAN
_0
0
DC Servo enable for HPOUTL
0 = disabled
1 = enabled
R73 (49h)
DC Servo 6
7:0
DCS_DAC_WR_V
AL_3 [7:0]
0000 0000
DC Offset value for LINEOUTR 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



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