WM8904
Pre-Production
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
ADC Oversampling Ratio
REFER TO
ADC Oversampling
Ratio (OSR)
R10 (0Ah)
Analogue
ADC 0
0
ADC_OSR128
1
0 = Low Power (64 x fs)
1 = High Performance (128 x fs)
Register 0Ah Analogue ADC 0
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
Left Input PGA Enable
0 = disabled
Input PGA Enable
R12 (0Ch)
Power
Management
0
1
INL_ENA
0
1 = enabled
Right Input PGA Enable
0 = disabled
Input PGA Enable
0
INR_ENA
0
1 = enabled
Register 0Ch Power Management 0
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
Left Headphone Output Enable
0 = disabled
Output Signal
Paths Enable
R14 (0Eh)
Power
Management
2
1
HPL_PGA_EN
A
0
1 = enabled
Right Headphone Output Enable
0 = disabled
Output Signal
Paths Enable
0
HPR_PGA_EN
A
0
1 = enabled
Register 0Eh Power Management 2
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
Left Line Output Enable
0 = disabled
Output Signal
Paths Enable
R15 (0Fh)
Power
Management
3
1
LINEOUTL_PG
A_ENA
0
1 = enabled
Right Line Output Enable
0 = disabled
Output Signal
Paths Enable
0
LINEOUTR_PG
A_ENA
0
1 = enabled
Register 0Fh Power Management 3
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
Left DAC Enable
0 = DAC disabled
1 = DAC enabled
Right DAC Enable
0 = DAC disabled
1 = DAC enabled
Left ADC Enable
0 = disabled
Digital-to-
Analogue
Converter (DAC)
R18 (12h)
Power
Management
6
3
DACL_ENA
0
Digital-to-
Analogue
Converter (DAC)
2
1
0
DACR_ENA
ADCL_ENA
ADCR_ENA
0
0
0
Digital-to-
Analogue
Converter (DAC)
1 = enabled
Right ADC Enable
0 = disabled
Digital-to-
Analogue
Converter (DAC)
1 = enabled
Register 12h Power Management 6
PP, Rev 3.3, September 2012
144
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
