alc880 Realtek Semiconductor Corporation, alc880 Datasheet - Page 38

• Manufacturer Part Number: alc880
• Description: 7.1 Channel High Definition Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

8.1.11. Parameter – Amplifier Capabilities
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.
7.1 Channel High Definition Audio Codec
Codec Response Format
Note: Only Pin Complex widgets support this parameter.
Codec Response Format
Table 28. Parameter – Amplifier Capabilities (Verb ID=F00h, Input Amplifier Parameter ID=0Dh)
30:23
22:16
14:8
6:0
Bit
Bit
31
15
1
0
7
(Verb ID=F00h, Input Amplifier Parameter ID=0Dh)
Reserved. Read as 0
Step Size
Reserved. Read as 0
Number of Steps
Reserved. Read as 0
Offset
Description
Trigger Required
‘1’ indicates whether a software trigger is required for an impedance measurement
Impedance Sense Capable
‘1’ indicates this pin complex can perform analog sense on the attached device to determine its type
Description
(Input) Mute Capable
Indicates the size of each step in the gain range. Permanently set to ‘3’ (indicates a step of 1dB)
Indicates the number of steps in the gain range. ‘0’ means the gain is fixed
Indicates which step is 0dB
28
Track ID: JATR-1076-21
ALC880 Series
Datasheet
Rev. 1.4