ALC892 데이터 시트보기 (PDF) - Realtek Semiconductor
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ALC892 Datasheet PDF : 90 Pages
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7.5.2. Power Controls in NID 01h
Table 14. Power Controls in NID 01h
Item
Description
D0
D1
D2
D3
Audio Function HD LINK State
Normal
Normal Normal
Normal
(NID=01h)
Front DAC (NID-02h)
Normal
PD
PD
PD
Surr DAC (NID-03h)
Normal
PD
PD
PD
Cen/Lfe DAC (NID-04h)
Normal
PD
PD
PD
Side DAC (NID-05h)
Normal
PD
PD
PD
Fout DAC (NID-25h)
Normal
PD
PD
PD
LINE ADC (NID-08h)
Normal
PD
PD
PD
MIX ADC (NID-09h)
Normal
PD
PD
PD
All Headphone Drivers
Normal
Normal
PD
PD
All Mixers
Normal
Normal
PD
PD
All Reference
Normal
Normal Normal
Normal
Jack Detection with
Unsolicited Response
Normal
Normal
PD
Normal
Note 1: PD=Powered Down.
Note 2: Jack detection with unsolicited response is issued when a Link Reset occurs in D3 state.
ALC892
Datasheet
Link Reset
PD
PD
PD
PD
PD
PD
PD
PD
PD
PD
Normal
Normal2
7.5.3. Powered Down Conditions
Condition
LINK Response Powered Down
FRONT DAC Powered Down
SURR DAC Powered Down
CEN/LFE DAC Powered Down
SIDESURR DAC Powered Down
FOUT DAC Powered Down
LINE ADC Powered Down
MIX ADC Powered Down
Headphone Driver Powered Down
Mixers Powered Down
Reference Power Down
Table 15. Powered Down Conditions
Description
Internal Clock is Stopped.
SDATA-IN and SPDIF-OUT are floated with internally pulled low 47K resistors.
SPDIF-IN is also floated. Detection of ‘Link Reset Entry’ and ‘Link Reset Exit’
sequences is supported. All states are maintained if DVDD is supplied.
Analog Block and Digital Filter are Powered Down.
Analog Block and Digital Filter are Powered Down.
Analog Block and Digital Filter are Powered Down.
Analog Block and Digital Filter are Powered Down.
Analog Block and Digital Filter are Powered Down.
Analog Block and Digital Filter are Powered Down.
Data on SDATA-IN is quiet.
Analog Block and Digital Filter are Powered Down.
Data on SDATA-IN is quiet.
All Headphone Drivers are Powered Down.
All Internal Mixer Widgets are Powered Down.
The DC reference and VREFOUTx at individual pin complexes are still alive.
All Internal References, DC Reference, and VREFOUTx at Individual Pin
Complexes are Off.
7.1+2 Channel HD Audio Codec with Content Protection 25
Track ID: JATR-2265-11 Rev. 1.3
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