WM8983
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REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R15
7:0
ADCLVOL
[7:0]
11111111
( 0dB )
Left ADC Digital Volume Control
0000 0000 = Digital Mute
0000 0001 = -127dB
Left channel
ADC Digital
Volume
0000 0010 = -126.5dB
... 0.5dB steps up to
1111 1111 = 0dB
8
ADCVU
Not
latched
ADC left and ADC right volume do not
update until a 1 is written to ADCVU (in
reg 15 or 16)
R16
7:0
ADCRVOL
[7:0]
11111111
( 0dB )
Right ADC Digital Volume Control
0000 0000 = Digital Mute
0000 0001 = -127dB
Right channel
ADC Digital
Volume
0000 0010 = -126.5dB
... 0.5dB steps up to
1111 1111 = 0dB
8
ADCVU
Not
latched
ADC left and ADC right volume do not
update until a 1 is written to ADCVU (in
reg 15 or 16)
Table 16 ADC Digital Volume Control
PP Rev 1.1 August 2005
32
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
