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ALC662 数据表(PDF) 37 Page - Realtek Semiconductor Corp.

部件名 ALC662
功能描述  5.1 CHANNEL HIGH DEFINITION AUDIO CODEC
PDF  81 Pages
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制造商  REALTEK [Realtek Semiconductor Corp.]
网页  https://www.realtek.com/en/
标志 REALTEK - Realtek Semiconductor Corp.

ALC662 数据表(HTML) 37 Page - Realtek Semiconductor Corp.

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ALC662
Datasheet
5.1 Channel High Definition Audio Codec
27
Rev. 1.0
8.1.9.
Parameter – Pin Capabilities (Verb ID=F00h, Parameter ID=0Ch)
The Pin Capabilities parameter returns a bit field describing the capabilities of the Pin Complex widget.
Table 29. Parameter – Pin Capabilities (Verb ID=F00h, Parameter ID=0Ch)
Codec Response Format
Bit
Description
31:16
Reserved. Read as 0’s
15:8
VREF Control Capability
‘1’ in corresponding bit field indicates signal levels of associated Vrefout are specified as a percentage of
AVDD.
7:6
5
4
3
2
1
0
Reserved
100%
80%
Reserved
Ground
50%
Hi-Z
7
Reserved
6
Balanced I/O Pin
‘1’ indicates this pin complex has balanced pins
5
Input Capable
‘1’ indicates this pin complex supports input
4
Output Capable
‘1’ indicates this pin complex supports output
3
Headphone Drive Capable
‘1’ indicates this pin complex has an amplifier to drive a headphone
2
Presence Detect Capable
‘1’ indicates this pin complex can detect whether there is a device plugged in
1
Trigger Required
‘1’ indicates whether a software trigger is required for an impedance measurement
0
Impedance Sense Capable
‘1’ indicates this pin complex can perform analog sense on the attached device to determine its type
Note: Only Pin Complex widgets support this parameter.
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 30. 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
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



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