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ALC888S-VD Datasheet(Folha de dados) 55 Page - Realtek Semiconductor Corp.

Nome de Peças. ALC888S-VD
descrição  7.12 CHANNEL HD AUDIO CODEC WITH TWO INDEPENDENT SPDIF OUTPUTS
Download  92 Pages
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Fbricantes  REALTEK [Realtek Semiconductor Corp.]
Página de início  https://www.realtek.com/en/
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ALC888S-VD
Datasheet
7.1+2 Channel HD Audio Codec with Two Independent
SPDIF Outputs
47
Track ID: JATR-2265-11
Rev. 1.2
Codec Response for NID=22h and 23h (Sum Widget)
Bit
Description
31:8
0’s.
7
Bit 15 is 0 in ‘Get Amplifier Gain. Input Amplifier Mute: 0: Unmute; 1: Mute
Bit 15 is 1 in ‘Get Amplifier Gain. Read as 0 (No Output Amplifier Mute).
6:0
Bit 15 is 0 in ‘Get Amplifier Gain. Read as 0 (No Input Amplifier Gain).
Bit 15 is 1 in ‘Get Amplifier Gain. Read as 0 (No Input Amplifier Gain).
Codec Response to Other NID
Bit
Description
31:0
Not Supported (Returns 00000000h).
8.12. Verb – Set Amplifier Gain (Verb ID=3h)
This verb is used to set amplifier gain/attenuation in each widget.
Table 44. Verb – Set Amplifier Gain (Verb ID=3h)
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=3h
‘Set’ Payload [7:0]
0’s for All Nodes
‘Set’ Payload in Command Bit[15:0]
Bit
Description
15
Set Output Amp.
‘1’ indicates output amplifier gain will be set.
14
Set Input Amp.
‘1’ indicates input amplifier gain will be set.
13
Set Left Amp.
‘1’ indicates left amplifier gain will be set.
12
Set Right Amp.
‘1’ indicates right amplifier gain will be set.
11:8
Index Offset (for Input Amplifiers on Sum Widgets and Selector Widgets).
5 bits index offset in connection list is used to select which input gain will be set on a Sum or a Selector
widget. The index is ignored if the node is not a Sum or a Selector widget, or the ‘Set Input Amp’ bit is not
set.
7
Mute.
0: Unmute
1: Mute (-∞gain)
6:0
Gain[6:0].
A 7-bit step value specifying the amplifier gain.




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