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WM8903 Datasheet(PDF) 158 Page - Wolfson Microelectronics plc

Part # WM8903
Description  Ultra Low Power CODEC for Portable Audio Applications
PDF  178 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8903 Datasheet(HTML) 158 Page - Wolfson Microelectronics plc

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WM8903
Production Data
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PD, Rev 4.5, June 2012
158
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R81 (51h)
DC Servo
Readback 1
7:0
DCS_HPOUTL_INTEG [7:0]
0000_0000 Readback value on Left Headphone Output
Servo.
Two’s complement format.
LSB is 0.25mV.
Range is +/-32mV
(Read-Only Register)
Register 51h DC Servo Readback 1
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R82 (52h)
DC Servo
Readback 2
7:0
DCS_HPOUTR_INTEG [7:0] 0000_0000 Readback value on Right Headphone
Output Servo.
Two’s complement format.
LSB is 0.25mV.
Range is +/-32mV
(Read-Only Register)
Register 52h DC Servo Readback 2
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R83 (53h)
DC Servo
Readback 3
7:0
DCS_LOUTL_INTEG [7:0]
0000_0000 Readback value on Left Line Output Servo.
Two’s complement format.
LSB is 0.25mV.
Range is +/-32mV
(Read-Only Register)
Register 53h DC Servo Readback 3
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R84 (54h)
DC Servo
Readback 4
7:0
DCS_LOUTR_INTEG [7:0]
0000_0000 Readback value on Right Line Output
Servo.
Two’s complement format.
LSB is 0.25mV.
Range is +/-32mV
(Read-Only Register)
Register 54h DC Servo Readback 4
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R90 (5Ah)
Analogue HP
0
7
HPL_RMV_SHORT
0
Removes HPL short
0 = HPL short enabled
1 = HPL short removed
For normal operation, this bit should be set as the
final step of the HPL Enable sequence.
6
HPL_ENA_OUTP
0
Enables HPL output stage
0 = Disabled
1 = Enabled
For normal operation, this bit should be set to 1
after the DC offset cancellation has been
scheduled.



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