alc885-gr Realtek Semiconductor Corporation, alc885-gr Datasheet - Page 47

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alc885-gr

Manufacturer Part Number
alc885-gr
Description
7.1+2 Channel High-performance Hda Codec With Content Protection
Manufacturer
Realtek Semiconductor Corporation
Datasheet

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8.1.11. Parameter – Amplifier Capabilities (Verb ID=F00h, Output
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+2 Channel High-Performance HDA Codec
With Content Protection
Codec Response Format
(Sum)
Mixer
Com-
plex
Pin
Table 35. Parameter – Amplifier Capabilities (Verb ID=F00h, Output Amplifier Parameter ID=12h)
30:23
22:16
14:8
6:0
Bit
31
15
7
(SIDESURR)
(CEN/LFE)
NID=0Dh
NID=0Ch
NID=0Eh
NID=0Fh
(FRONT)
NID=26h
NID=14h
NID=15h
NID=16h
NID=17h
NID=18h
(SURR)
Bits
(MIC1)
Amplifier Parameter ID=12h)
Reserved. Read as 0
Step Size
Reserved. Read as 0
Number of Steps
Reserved. Read as 0
Offset. Indicates which step is 0dB
Description
(Output) Mute Capable
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
Indicates the number of steps in the gain range. ‘0’ means the gain is fixed
0
0
0
0
0
1
1
1
1
1
3
1
3
0
2
9
2
8
2
7
-
-
-
-
-
-
-
-
-
-
Table 36. Input Amplifier Capabilities
2
6
2
5
2
4
2
3
2
2
(=1.0dB per step)
2
1
0000011b
0000011b
0000011b
0000011b
0000011b
0000000b
0000000b
0000000b
0000000b
0000000b
39
2
0
1
9
1
8
1
7
1
6
1
5
-
-
-
-
-
-
-
-
-
-
1
4
(-64~0dB in 65 step
1
3
1000000b
1000000b
1000000b
1000000b
1000000b
0000000b
0000000b
0000000b
0000000b
0000000b
1
2
1
1
1
0
9 8 7
)
ALC885 Series
-
-
-
-
-
-
-
-
-
-
6 5 4 3 2 1 0
(=64 means
0000000b
0000000b
0000000b
0000000b
0000000b
1000000b
1000000b
1000000b
1000000b
1000000b
Datasheet
0dB)
Rev. 1.1