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ALC888S-VD Datasheet(HTML) 62 Page - Realtek Semiconductor Corp.

Part No. ALC888S-VD
Description  7.12 CHANNEL HD AUDIO CODEC WITH TWO INDEPENDENT SPDIF OUTPUTS
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Maker  REALTEK [Realtek Semiconductor Corp.]
Homepage  https://www.realtek.com/en/
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ALC888S-VD Datasheet(HTML) 62 Page - Realtek Semiconductor Corp.

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ALC888S-VD
Datasheet
7.1+2 Channel HD Audio Codec with Two Independent
SPDIF Outputs
54
Track ID: JATR-2265-11
Rev. 1.2
8.22. Verb – Set Unsolicited Response Control (Verb ID=708h)
Enables a widget to generate an unsolicited response.
Table 54. 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] for NID=01h (GPIO in Audio Function Group), 14h~1Ch, 1Eh, 11h, 1Fh (Port A to
H, CD-IN, SPDIF-OUT, SPDIF-OUT2 and SPDIF-IN)
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.
8.23. Verb – Get Pin Sense (Verb ID=F09h)
Returns the Presence Detect status and the impedance of a device attached to the pin.
Table 55. Verb – Get Pin Sense (Verb ID=F09h)
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= F09h
0’s
32-bit Response
Codec Response for NID = 14h~1Bh, 11h, 1Eh, 1Fh
Bit
Description
31
Presence Detect Status.
0: No device is attached to the pin
1: Device is attached to the pin
30:0
Measured Impedance.
The ALC888S-VD does not support hardware impedance detection. This field is read as 0s.
Codec Response for Other NID
Bit
Description
31:0
Not Supported (Returns 00000000h).


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