WM8904
Pre-Production
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
Removes LINEOUTL short
REFER TO
Pop Suppression
Control
R94 (5Eh)
Analogue
Lineout 0
7
LINEOUTL_RM
V_SHORT
0
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.
Enables LINEOUTL output stage
0 = Disabled
Pop Suppression
Control
6
5
LINEOUTL_ENA
_OUTP
0
0
1 = Enabled
For normal operation, this bit should be set to 1 after
the DC offset cancellation has been scheduled.
Enables LINEOUTL intermediate stage
0 = Disabled
Pop Suppression
Control
LINEOUTL_ENA
_DLY
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.
Enables LINEOUTL input stage
0 = Disabled
Pop Suppression
Control
4
3
2
1
LINEOUTL_ENA
0
0
0
0
1 = Enabled
For normal operation, this bit should be set as the
first step of the LINEOUTL Enable sequence.
Removes LINEOUTR short
0 = LINEOUTR short enabled
1 = LINEOUTR short removed
Pop Suppression
Control
LINEOUTR_RM
V_SHORT
For normal operation, this bit should be set as the
final step of the LINEOUTR Enable sequence.
Enables LINEOUTR output stage
0 = Disabled
Pop Suppression
Control
LINEOUTR_EN
A_OUTP
1 = Enabled
For normal operation, this bit should be set to 1 after
the DC offset cancellation has been scheduled.
Enables LINEOUTR intermediate stage
0 = Disabled
Pop Suppression
Control
LINEOUTR_EN
A_DLY
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.
Enables LINEOUTR input stage
0 = Disabled
Pop Suppression
Control
0
LINEOUTR_EN
A
0
1 = Enabled
For normal operation, this bit should be set as the
first step of the LINEOUTR Enable sequence.
Register 5Eh Analogue Lineout 0
PP, Rev 3.3, September 2012
166
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
