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ALC888S-VD Datasheet(PDF) 63 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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 63 page
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ALC888S-VD
Datasheet
7.1+2 Channel HD Audio Codec with Two Independent
SPDIF Outputs
55
Track ID: JATR-2265-11
Rev. 1.2
8.24. Verb – Execute Pin Sense (Verb ID=709h)
Table 56. Verb – Execute Pin Sense (Verb ID=709h)
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= 709h
Right Channel[0]
0’s for All Nodes
‘Payload’ in Command Bit[7:0]
Bit
Description
7:1
Reserved. Read as 0’s.
0
Right (Ring) Channel Select.
0: Sense Left channel (Tip)
1: Sense Right channel (Ring)
The ALC888S-VD does not support hardware impedance sensing and will ignore this control.
8.25. Verb – Get Volume Knob Widget (Verb ID=F0Fh)
Table 57. Verb – Get Volume Knob (Verb ID=F0Fh)
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=21h
Verb ID= F0Fh
0’s
Bit[31:8]=0s, Bit[7:0] is Volume
Codec Response for NID = 21h (Volume Knob Widget)
Bit
Description
31:8
Reserved.
7
Direct.
0: The volume generated by external HW volume control will be sent by unsolicited response. Software is
responsible for programming the amplifier appropriately
1: The volume generated by external HW volume control will directly affect the volume of the amplifier.
6:0
Volume in Steps.
Note: The ALC888S-VD does not support Volume Knob Widget and will ignore this verb and respond with 0’s.




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