alc885-gr Realtek Semiconductor Corporation, alc885-gr Datasheet - Page 45
![no-image](/images/no-image-200.jpg)
alc885-gr
Manufacturer Part Number
alc885-gr
Description
7.1+2 Channel High-performance Hda Codec With Content Protection
Manufacturer
Realtek Semiconductor Corporation
Datasheet
1.ALC885-GR.pdf
(98 pages)
- Current page: 45 of 98
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8.1.10. 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+2 Channel High-Performance HDA Codec
With Content Protection
Codec Response Format
Conv-
Mixer
(Sum)
erters
Input
Table 33. Parameter – Amplifier Capabilities (Verb ID=F00h, Input Amplifier Parameter ID=0Dh)
30:23
22:16
14:8
6:0
Bit
31
15
7
(Verb ID=F00h, Input Amplifier Parameter ID=0Dh)
Bits
(LINE
ADC)
ADC)
ADC)
NID=
NID=
NID=
NID=
NID=
(MIC
(MIX
0Bh
0Ch
07h
08h
09h
Reserved. Read as 0
Step Size
Reserved. Read as 0
Number of Steps
Reserved. Read as 0
Offset
Description
(Input) 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
Indicates which step is 0dB
1
1
1
1
1
3
1
3
0
2
9
2
8
2
7
-
-
-
-
-
Table 34. Output Amplifier Capabilities
2
6
2
5
2
4
2
3
2
2
(=1.0dB per step)
(=1.0dB per step)
(=1.0dB per step)
(=1.5dB per step)
2
1
0000011b
0000011b
0000011b
0000101b
0000000b
2
0
37
1
9
1
8
1
7
1
6
-
-
-
-
-
1
5
1
4
(-16.0~30dB in 47 step)
(-16.0~30dB in 47 step)
(-16.0~30dB in 47 step)
(-34.5~12dB in 32 step)
1
3
0000000b
0101110b
0101110b
0101110b
0011111b
1
2
1
1
1
0
9 8 7
ALC885 Series
-
-
-
-
-
6 5 4 3 2 1 0
(=23d means
(=16 means
(=16 means
(=16 means
0010000b
0010000b
0010000b
0000000b
0010111b
Datasheet
0dB)
0dB)
0dB)
0dB)
Rev. 1.1
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