Production Data
WM8945
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R25 (19h)
ADC_MUTEALL
0
ADC Digital Mute for All Channels
0 = Disable Mute
8
ADC Control 1
1 = Enable Mute on all channels
ADC Volume Update
R27 (1Bh)
ADC_VU
0
0
12
8
Left ADC
Digital Vol
Writing a 1 to this bit enables the
Left ADC volume to be updated
ADCL_MUTE
Left ADC Digital Mute
0 = Disable Mute
1 = Enable Mute
ADCL_VOL [7:0]
1100_0000
(0dB)
Left ADC Digital Volume
0000_0000 = mute
0000_0001 = -71.625dB
0000_0010 = -71.250dB
…
7:0
1100_0000 = 0dB
...
1111_1111 = +23.625dB
(See Table 9 for volume range)
Table 8 ADC Digital Volume Control
PD, May 2011, Rev 4.1
29
w