ALC892 데이터 시트보기 (PDF) - Realtek Semiconductor

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ALC892

7.1+2 CHANNEL HD AUDIO CODEC WITH CONTENT PROTECTION

Realtek Semiconductor 

ALC892

Datasheet

11. Application Supplements

11.1. Standby Mode

In standby mode the ALC892 turns on DC bias on all analog input and output ports (NID=14h~1Bh).

This is a special application to avoid ‘Pop’ noise while the system is in power on and power off transition

stages.

Table 88 shows the DC bias state when Standby mode is enabled.

+3.3V on DVDD (Pin-1)

No (<2.0V)

No (<2.0V)

Yes (>2.0V)

Yes (>2.0V)

Table 88. Standby Mode

+5VA on AVDD

No

Yes

No

Yes

Operation Mode

Shut Down

Standby Mode

Normal

Normal

7.1+2 Channel HD Audio Codec with Content Protection 79

Track ID: JATR-2265-11 Rev. 1.3

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