alc272 Realtek Semiconductor Corporation, alc272 Datasheet - Page 38

• Manufacturer Part Number: alc272
• Description: 4 Channel High Definition Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

8.1.8.
Parameters in this node only provide default information for audio function groups. Individual converters
have their own parameters to provide supported formats if the ‘Format Override’ bit is set.
8.1.9.
The Pin Capabilities parameter returns a bit field describing the capabilities of the Pin Complex widget.
4 Channel High Definition Audio Codec
Codec Response Format
Note: Input converters and output converters support this parameter.
Codec Response Format
Note: Only Pin Complex widgets support this parameter.
31:16
31:3
15:8
Bit
Bit
2
1
0
7
6
5
4
3
2
1
0
Table 27. Parameter – Supported Stream Formats (Verb ID=F00h, Parameter ID=0Bh)
Parameter – Supported Stream Formats
(Verb ID=F00h, Parameter ID=0Bh)
Parameter – Pin Capabilities
(Verb ID=F00h, Parameter ID=0Ch)
Description
Reserved. Read as 0’s.
AC3.
0: Not supported
1: Supported
Float32.
0: Not supported
1: Supported
PCM.
0: Not supported
1: Supported (The ALC272 DAC and ADC support this format)
Description
Reserved. Read as 0’s.
VREF Control Capability. ‘1’ in corresponding bit field indicates signal levels of associated Vrefout are
specified as a percentage of AVDD.
Reserved.
Balanced I/O Pin. ‘1’ indicates this pin complex has balanced pins.
Input Capable. ‘1’ indicates this pin complex supports input.
Output Capable. ‘1’ indicates this pin complex supports output.
Headphone Drive Capable. ‘1’ indicates this pin complex has an amplifier to drive a headphone.
Presence Detect Capable. ‘1’ indicates this pin complex can detect whether there is a device plugged in.
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.
Table 28. Parameter – Pin Capabilities (Verb ID=F00h, Parameter ID=0Ch)
Reserved
7:6
100%
5
80%
4
30
Reserved
3
Ground
2
Track ID: JATR-1076-21
50%
1
Hi-Z
Datasheet
0
ALC272
Rev. 1.0