alc272 Realtek Semiconductor Corporation, alc272 Datasheet - Page 39

• Manufacturer Part Number: alc272
• Description: 4 Channel High Definition Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

8.1.10.
Parameters in this node provide audio function group default information. Individual converters have
their own parameters to provide amplifier capabilities if the ‘AMP Param Override’ bit is set.
8.1.11.
Parameters in this node provide audio function group default information. Individual converters have
their own parameters to provide amplifier capabilities if the ‘AMP Param Override’ bit is set.
4 Channel High Definition Audio Codec
Codec Response Format
Codec Response Format
30:23
22:16
30:23
22:16
Table 30. Parameter – Amplifier Capabilities (Verb ID=F00h, Output Amplifier Parameter ID=12h)
14:8
14:8
Table 29. Parameter – Amplifier Capabilities (Verb ID=F00h, Input Amplifier Parameter ID=0Dh)
6:0
6:0
Bit
Bit
31
15
31
15
7
7
Parameter– Amplifier Capabilities
(Verb ID=F00h, Input Amplifier Parameter ID=0Dh)
Parameter – Amplifier Capabilities
(Verb ID=F00h, Output Amplifier Parameter ID=12h)
Description
(Input) Mute Capable.
Reserved. Read as 0.
Step Size.
Indicates the size of each step in the gain range.
Reserved. Read as 0.
Number of Steps.
Indicates the number of steps in the gain range. ‘0’ means the gain is fixed.
Reserved. Read as 0.
Offset.
Indicates which step is 0dB.
Description
(Output) Mute Capable.
Reserved. Read as 0.
Step Size.
Indicates the size of each step in the gain range. Each individual step may be 0~32dB, specified in 0.25dB
steps. ‘0’ indicates 0.25dB steps. ‘127’ indicates 32dB steps.
Reserved. Read as 0.
Number of Steps.
Indicates the number of steps in the gain range. ‘0’ means the gain is fixed.
Reserved. Read as 0.
Offset. Indicates which step is 0dB.
31
Track ID: JATR-1076-21
Datasheet
ALC272
Rev. 1.0