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ALC883 Datasheet(PDF) 57 Page - Realtek Semiconductor Corp.

Part # ALC883
Description  7.12 CHANNEL HIGH DEFINITION AUDIO CODEC
PDF  78 Pages
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Manufacturer  REALTEK [Realtek Semiconductor Corp.]
Direct Link  https://www.realtek.com/en/
Logo REALTEK - Realtek Semiconductor Corp.

ALC883 Datasheet(HTML) 57 Page - Realtek Semiconductor Corp.

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ALC883 Series
Datasheet
7.1+2 Channel High Definition Audio Codec
49
Track ID: JATR-1076-21
Rev. 1.3
8.21. Verb – Get Unsolicited Response Control (Verb ID=F08h)
Determines whether a widget is enabled to send an unsolicited response. An HDA codec can use an
unsolicited response to inform software of a real-time event.
Table 52. Verb – Get Unsolicited Response Control (Verb ID=F08h)
Get Command Format
Codec Response Format
Bit [31:28]
Bit [27:20]
Bit [19:8]
Payload Bit [7:0]
Response [31:0]
CAd=X
Node ID=Xh
Verb ID= F08h
0’s
32-bit Response
Codec Response for NID=01h (GPIO), 0Ah (S/PDIF-IN), 14h~1Bh (Port)
Bit
Description
31:8
Reserved. Read as 0’s
7
Unsolicited Response is Enabled
0: Disabled
1: Enabled
6:4
Reserved. Read as 0’s
3:0
Assigned Tag for Unsolicited Response
The tag[3:0] is assigned by software to determine which widget generates unsolicited responses
Codec Response for other NID
Bit
Description
31:0
Not supported (returns 00000000h)
8.22. Verb – Set Unsolicited Response Control (Verb ID=708h)
Enable a widget to generate an unsolicited response.
Table 53. Verb – Set Unsolicited Response Control (Verb ID=708h)
Set Command Format
Codec Response Format
Bit [31:28]
Bit [27:20]
Bit [19:8]
Payload Bit [7:0]
Response [31:0]
CAd=X
Node ID=Xh
Verb ID=708h
EnableUnsol [7:0]
0’s for all nodes
‘EnableUnsol’ in Command Bit[7:0]
Bit
Description
31:8
Reserved. Read as 0’s
7
Enable Unsolicited Response
0: Disable
1: Enable
6:4
Reserved. Read as 0’s
3:0
Tag for Unsolicited Response
Tag[3:0] is defined by software to assign a 4-bit tag for nodes that are enabled to generate unsolicited
responses



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