ALC888S 데이터 시트보기 (PDF) - Realtek Semiconductor
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ALC888S
Realtek Semiconductor
ALC888S Datasheet PDF : 83 Pages
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ALC888S & ALC888SDD
Datasheet
8.1.10. Parameter – Amplifier Capabilities
(Verb ID=F00h, Input Amplifier Parameter ID=0Dh)
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.
Table 29. Parameter – Amplifier Capabilities (Verb ID=F00h, Input Amplifier Parameter ID=0Dh)
Codec Response Format
Bit
Description
31
(Input) Mute Capable.
30:23
Reserved. Read as 0.
22:16
Step Size.
Indicates the size of each step in the gain range. Each step may be 0~32dB, specified in 0.25dB steps.
‘0’ indicates a step of 0.25dB. ‘127’ indicates a step of 32dB.
15
Reserved. Read as 0.
14:8
Number of Steps.
Indicates the number of steps in the gain range. ‘0’ means the gain is fixed.
7
Reserved. Read as 0.
6:0
Offset.
Indicates which step is 0dB.
8.1.11. Parameter – Amplifier Capabilities
(Verb ID=F00h, Output Amplifier Parameter ID=12h)
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.
Table 30. Parameter – Amplifier Capabilities (Verb ID=F00h, Output Amplifier Parameter ID=12h)
Codec Response Format
Bit
Description
31
(Output) Mute Capable.
30:23
Reserved. Read as 0.
22:16
Step Size.
Indicates the size of each step in the gain range. Each step may be 0~32dB, specified in 0.25dB steps.
‘0’ indicates a step of 0.25dB. ‘127’ indicates a step of 32dB.
15
Reserved. Read as 0.
14:8
Number of Steps.
Indicates the number of steps in the gain range. ‘0’ means the gain is fixed.
7
Reserved. Read as 0.
6:0
Offset. Indicates which step is 0dB.
7.1+2 Channel High Definition Audio Codec
32
w/Two Independent S/PDIF-OUT
Track ID: JATR-1076-21 Rev. 1.2
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