WM8912 Datasheet, PDF (113/129 Pages) Wolfson Microelectronics plc – Ultra Low Power DAC with Headphone Driver for Portable Audio Applications

Production Data
REGISTER
ADDRESS
R94 (5Eh)
Analogue
Lineout 0
BIT
LABEL
DEFAULT
DESCRIPTION
7 LINEOUTL_RM
0
Removes LINEOUTL short
V_SHORT
0 = LINEOUTL short enabled
1 = LINEOUTL short removed
For normal operation, this bit should be set as the final
step of the LINEOUTL Enable sequence.
6 LINEOUTL_EN
0
Enables LINEOUTL output stage
A_OUTP
0 = Disabled
1 = Enabled
For normal operation, this bit should be set to 1 after
the DC offset cancellation has been scheduled.
5 LINEOUTL_EN
0
Enables LINEOUTL intermediate stage
A_DLY
0 = Disabled
1 = Enabled
For normal operation, this bit should be set to 1 after
the output signal path has been configured, and before
DC offset cancellation is scheduled. This bit should be
set with at least 20us delay after LINEOUTL_ENA.
4 LINEOUTL_EN
0
Enables LINEOUTL input stage
A
0 = Disabled
1 = Enabled
For normal operation, this bit should be set as the first
step of the LINEOUTL Enable sequence.
3
LINEOUTR_R
MV_SHORT
0
Removes LINEOUTR short
0 = LINEOUTR short enabled
1 = LINEOUTR short removed
For normal operation, this bit should be set as the final
step of the LINEOUTR Enable sequence.
2 LINEOUTR_EN
0
Enables LINEOUTR output stage
A_OUTP
0 = Disabled
1 = Enabled
For normal operation, this bit should be set to 1 after
the DC offset cancellation has been scheduled.
1 LINEOUTR_EN
0
Enables LINEOUTR intermediate stage
A_DLY
0 = Disabled
1 = Enabled
For normal operation, this bit should be set to 1 after
the output signal path has been configured, and before
DC offset cancellation is scheduled. This bit should be
set with at least 20us delay after LINEOUTR_ENA.
0 LINEOUTR_EN
0
Enables LINEOUTR input stage
A
0 = Disabled
1 = Enabled
For normal operation, this bit should be set as the first
step of the LINEOUTR Enable sequence.
Register 5Eh Analogue Lineout 0
WM8912
REFER TO
REGISTER BIT
ADDRESS
R98 (62h)
0
Charge
Pump 0
LABEL
CP_ENA
Register 62h Charge Pump 0
DEFAULT
DESCRIPTION
0
Enable charge-pump digits
0 = disable
1 = enable
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REFER TO
PD, Rev 4.1, February 2013
113