alc262w-vd2-gr Realtek Semiconductor Corporation, alc262w-vd2-gr Datasheet - Page 38

• Manufacturer Part Number: alc262w-vd2-gr
• Description: 4-channel Dac And 6-channel Adc High Definition Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

7.5.1.3
7.5.2.
The ALC262 version D is designed to meet Intel’s low-power-state white paper and is ECR HDA-015B
compliant. It meets the five attributes discussed in the white paper:
1. D3 state power < 30mW.
2. Exit latency (D3 to D0 transfer) < 10ms.
3. Audio pop/click suppression during D3 and D0 transition < -65dBV.
4. Supports Jack detection in D3 state.
5. D3 functions with or without the BITCLK
The ALC262-VD minimizes D3 state idle mode power consumption and increases overall battery life in
mobile systems.
In D3 mode, only a power on reset or a ‘double function reset’ resets all ALC262-VD settings, cutting
software configuration time spent entering/leaving D3 state, and reducing latency time for D3 to D0
transitions.
The ALC262-VD supports Wake-Up events in D3 mode, including jack detection and GPIO status
changes. If the HDA-Link was alive (with BCLK), the ALC262-VD Wake-Up response is as normal. If
no BITCLK is present, the ALC262-VD drives the SDI high in order to wake up the system.
4-Ch DAC and 6-Ch ADC High Definition Audio Code
Condition
LINK Response powered down
LOUT DAC powered down
LINE ADC powered down
MIX ADC powered down
Headphone Driver powered down
Mixers powered down
Reference power down
ALC262 D Version
ALC262 Version A/B/C Powered Down Conditions
Table 16. ALC262 Version A/B/C Powered Down Conditions
Description
Internal clock is stopped. SDATA-IN and S/PDIF-OUT are floated with pulled low
47K resistors internally. Detection of ‘Link Reset Entry’ and ‘Link Reset Exit’
sequences are 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. The data on SDATA-IN is quiet.
Analog block and digital filter are powered down. The 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 complex are still alive.
All internal references, DC reference, and VREFOUTx at individual pin complexes
are off.
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Track ID: JATR-1076-21
ALC262 Series
Datasheet
Rev. 1.9