23 analog input advisory volume (address 1eh), 1 analog input advisory volume, 24 digital input advisory volume (address 1fh) – Cirrus Logic CS42L55 User Manual
Page 59: 1 digital input advisory volume, P 59, Cs42l55
DS773F1
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CS42L55
6.23
Analog Input Advisory Volume (Address 1Eh)
6.23.1
Analog Input Advisory Volume
Defines the maximum analog input volume level used by the class H controller to determine the appropri-
ate supply for the HP and Line amplifiers.
6.24
Digital Input Advisory Volume (Address 1Fh)
6.24.1
Digital Input Advisory Volume
Defines the maximum digital input volume level used by the class H controller to determine the appropri-
ate supply for the HP and Line amplifiers.
Note:
Between the headphone and line, the final output voltage from the charge pump is dictated by
the highest required advisory volume. When any respective amplifier is powered down, the charge pump’s
voltage automatically adjusts to the appropriate level.
7
6
5
4
3
2
1
0
AINADV7
AINADV6
AINADV5
AINADV4
AINADV3
AINADV2
AINADV1
AINADV0
AINADV[7:0]
Defined Input Volume
0001 1000
Reserved
···
···
0000 0001
Reserved
0000 0000
0 dB
1111 1111
-0.5 dB
1111 1110
-1.0 dB
···
···
0011 0100
-102 dB
···
···
0001 1001
-102 dB
Step Size:
0.5 dB
7
6
5
4
3
2
1
0
DINADV7
DINADV6
DINADV5
DINADV4
DINADV3
DINADV2
DINADV1
DINADV0
DINADV[7:0]
Defined Input Volume
0001 1000
Reserved
···
···
0000 0001
Reserved
0000 0000
0 dB
1111 1111
-0.5 dB
1111 1110
-1.0 dB
···
···
0011 0100
-102 dB
···
···
0001 1001
-102 dB
Step Size:
0.5 dB