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ALC262-GR
ALC262-VB Series
(ALC262-VB0-GR, ALC262SRS-GR, ALC262H-GR)
ALC262-VC Series (ALC262-VC1-GR, ALC262-VC2-GR)
ALC262-VD Series (ALC262-VD2-GR, ALC262W-VD2-GR)
4-CHANNEL DAC AND 6-CHANNEL ADC
HIGH DEFINITION AUDIO CODEC
www.DataSheet.co.kr
DATASHEET
Rev. 1.9
15 April 2008
Track ID: JATR-1076-21
Realtek Semiconductor Corp.
No. 2, Innovation Road II, Hsinchu Science Park, Hsinchu 300, Taiwan
Tel.: +886-3-578-0211. Fax: +886-3-577-6047
www.realtek.com.tw
Datasheet pdf - http://www.DataSheet4U.net/

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ALC262 Series
Datasheet
COPYRIGHT
©2008 Realtek Semiconductor Corp. All rights reserved. No part of this document may be reproduced,
transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any
means without the written permission of Realtek Semiconductor Corp.
DISCLAIMER
Realtek provides this document “as is”, without warranty of any kind, neither expressed nor implied,
including, but not limited to, the particular purpose. Realtek may make improvements and/or changes in
this document or in the product described in this document at any time. This document could include
technical inaccuracies or typographical errors.
TRADEMARKS
Realtek is a trademark of Realtek Semiconductor Corporation. Other names mentioned in this document
are trademarks/registered trademarks of their respective owners.
USING THIS DOCUMENT
This document is intended for the hardware and software engineer’s general information on the Realtek
ALC262 Series Audio Codecs.
www.DataSheet.co.kr
Though every effort has been made to ensure that this document is current and accurate, more
information may have become available subsequent to the production of this guide. In that event, please
contact your Realtek representative for additional information that may help in the development process.
4-Ch DAC and 6-Ch ADC High Definition Audio Code
ii
Track ID: JATR-1076-21 Rev. 1.9
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ALC262 Series
Datasheet
REVISION HISTORY
Revision Release Date
1.0 2005/05/02
1.1 2005/06/09
1.2 2005/08/25
1.3 2005/10/17
1.4 2005/11/25
1.5 2006/06/22
1.6 2007/01/15
1.7 2007/01/22
1.8 2007/07/04
1.9 2008/04/15
Summary
First release.
Update section 12 Ordering Information, page 78.
Revise analog output port information in section 1 General Description, page 1.
Add ordering information note (see section 12 Ordering Information, page 78).
Revise Figure 2, page 7.
Revise Table 84, page 72.
Update section 122 Ordering Information, page 78.
Update section 12 Ordering Information, page 78.
Release for ALC262 ‘C’ version.
Revise section 4 Block Diagram, page 6
Improve DAC/ADC filter characteristics, Table 79, page 68.
Support low voltage (1.5V~3.3V) IO for HAD link.
Add digital microphone input support (pins 2 and 46), see Figure 5, page 10.
Add digital microphone application note (section 10.4 Digital Microphone
Implementation, page 74).
Update section 12 Ordering Information, page 78.
Update section 12 Ordering Information, page 78.
Cosmetic changes to Figure 5, page 10.
Release for ALC262 ‘D’ version.
This release was never checked/reviewed/approved
Supports 2nd SPDIF output:
Update section 8.2 Verb – Get Connection Select Control (Verb ID=F01h), page 40.
Update section 8.3 Verb – Set Connection Select (Verb ID=701h), page 41.
Meets Intel low power ECR compliantwww.DataSheet.co.kr and power status control for all analog converter
and pin widgets. See section 7.5 Power Management, page 28.
Added information for all ALC262 series (version A/B/C/D).
Added part number ALC262W-VD2-GR in section 12 Ordering Information, page 78.
4-Ch DAC and 6-Ch ADC High Definition Audio Code iii
Track ID: JATR-1076-21 Rev. 1.9
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ALC262 Series
Datasheet
Table of Contents
1. GENERAL DESCRIPTION ..............................................................................................................................................1
2. FEATURES .........................................................................................................................................................................3
2.1. HARDWARE FEATURES ................................................................................................................................................3
2.2. SOFTWARE FEATURES..................................................................................................................................................4
3. SYSTEM APPLICATIONS...............................................................................................................................................5
4. BLOCK DIAGRAM ...........................................................................................................................................................6
4.1. ALC262 A/B VERSION ................................................................................................................................................6
4.2. ALC262 C VERSION ....................................................................................................................................................7
4.3. ALC262 D VERSION ....................................................................................................................................................8
4.4. ANALOG INPUT/OUTPUT UNIT .....................................................................................................................................9
5. PIN ASSIGNMENTS .......................................................................................................................................................10
5.1. ALC262 A/B VERSION ..............................................................................................................................................10
5.2. GREEN PACKAGE AND VERSION IDENTIFICATION ......................................................................................................10
5.3. ALC262 C VERSION ..................................................................................................................................................11
5.4. GREEN PACKAGE AND VERSION IDENTIFICATION ......................................................................................................11
5.5. ALC262 D VERSION ..................................................................................................................................................12
5.6. GREEN PACKAGE AND VERSION IDENTIFICATION ......................................................................................................12
6. PIN DESCRIPTIONS.......................................................................................................................................................13
6.1. DIGITAL I/O PINS .......................................................................................................................................................13
6.2. ANALOG I/O PINS ......................................................................................................................................................13
6.3. FILTER/REFERENCE....................................................................................................................................................14
6.4. POWER/GROUND...........................................................w.ww.D.ataSh.eet.c.o.kr.........................................................................................14
7. HIGH DEFINITION AUDIO LINK PROTOCOL .......................................................................................................15
7.1. LINK SIGNALS............................................................................................................................................................15
7.1.1. Signal Definitions .................................................................................................................................................16
7.1.2. Signaling Topology...............................................................................................................................................17
7.2. FRAME COMPOSITION ................................................................................................................................................18
7.2.1. Outbound Frame – Single SDO............................................................................................................................18
7.2.2. Outbound Frame – Multiple SDO ........................................................................................................................19
7.2.3. Inbound Frame – Single SDI ................................................................................................................................20
7.2.4. Inbound Frame – Multiple SDI ............................................................................................................................21
7.2.5. Variable Sample Rates .........................................................................................................................................21
7.3. RESET AND INITIALIZATION .......................................................................................................................................24
7.3.1. Link Reset .............................................................................................................................................................24
7.3.2. Codec Reset ..........................................................................................................................................................25
7.3.3. Codec Initialization Sequence ..............................................................................................................................26
7.4. VERB AND RESPONSE FORMAT ..................................................................................................................................27
7.4.1. Command Verb Format........................................................................................................................................27
7.4.2. Response Format..................................................................................................................................................27
7.5. POWER MANAGEMENT...............................................................................................................................................28
7.5.1. ALC262 A/B/C Versions .......................................................................................................................................28
7.5.2. ALC262 D Version ...............................................................................................................................................29
4-Ch DAC and 6-Ch ADC High Definition Audio Code iv
Track ID: JATR-1076-21 Rev. 1.9
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ALC262 Series
Datasheet
8. SUPPORTED VERBS AND PARAMETERS................................................................................................................31
8.1. VERB – GET PARAMETERS (VERB ID=F00H).............................................................................................................31
8.1.1. Parameter – Vendor ID (Verb ID=F00h, Parameter ID=00h)............................................................................31
8.1.2. Parameter – Revision ID (Verb ID=F00h, Parameter ID=02h)..........................................................................32
8.1.3. Parameter – Subordinate Node Count (Verb ID=F00h, Parameter ID=04h) .....................................................32
8.1.4. Parameter – Function Group Type (Verb ID=F00h, Parameter ID=05h) ..........................................................32
8.1.5. Parameter – Audio Function Capabilities (Verb ID=F00h, Parameter ID=08h) ...............................................33
8.1.6. Parameter – Audio Widget Capabilities (Verb ID=F00h, Parameter ID=09h) ..................................................33
8.1.7. Parameter – Supported PCM Size, Rates (Verb ID=F00h, Parameter ID=0Ah) ................................................34
8.1.8. Parameter – Supported Stream Formats (Verb ID=F00h, Parameter ID=0Bh) .................................................35
8.1.9. Parameter – Pin Capabilities (Verb ID=F00h, Parameter ID=0Ch) ..................................................................35
8.1.10. Parameter – Amplifier Capabilities (Verb ID=F00h, Input Amplifier Parameter ID=0Dh) ..........................36
8.1.11. Parameter – Amplifier Capabilities (Verb ID=F00h, Output Amplifier Parameter ID=12h) ........................36
8.1.12. Parameter – Connect List Length (Verb ID=F00h, Parameter ID=0Eh) .......................................................37
8.1.13. Parameter – Supported Power States (Verb ID=F00h, Parameter ID=0Fh) (ALC262 A/B/C Version) ........37
8.1.14. Parameter – Supported Power States (Verb ID=F00h, Parameter ID=0Fh) (ALC262 D Version) ...............38
8.1.15. Parameter – Processing Capabilities (Verb ID=F00h, Parameter ID=10h)..................................................38
8.1.16. Parameter – GPIO Capabilities (Verb ID=F00h, Parameter ID=11h)..........................................................39
8.1.17. Parameter – Volume Knob Capabilities (Verb ID=F00h, Parameter ID=13h)..............................................39
8.2. VERB – GET CONNECTION SELECT CONTROL (VERB ID=F01H) ................................................................................40
8.3. VERB – SET CONNECTION SELECT (VERB ID=701H) .................................................................................................41
8.4. VERB – GET CONNECTION LIST ENTRY (VERB ID=F02H) .........................................................................................41
8.5. VERB – GET PROCESSING STATE (VERB ID=F03H) ...................................................................................................44
8.6. VERB – SET PROCESSING STATE (VERB ID=703H) ....................................................................................................44
8.7. VERB – GET COEFFICIENT INDEX (VERB ID=DH)......................................................................................................45
8.8. VERB – SET COEFFICIENT INDEX (VERB ID=5H) .......................................................................................................45
8.9. VERB – GET PROCESSING COEFFICIENT (VERB ID=CH) ............................................................................................45
8.10. VERB – SET PROCESSING COEFFICIENT (VERB ID=4H)..............................................................................................46
8.11. VERB – GET AMPLIFIER GAIN (VERB ID=BH) ...........................................................................................................46
8.12. VERB – SET AMPLIFIER GAIN (VERB ID=3H) ............................................................................................................48
8.13. VERB – GET CONVERTER FORMAT (VERB ID=AH).......w.ww.D.ataSh.eet.c.o.kr.........................................................................................49
8.14. VERB – SET CONVERTER FORMAT (VERB ID=2H) .....................................................................................................50
8.15. VERB – GET POWER STATE (VERB ID=F05H) (ALC262 A/B/C VERSION)................................................................51
8.16. VERB – GET POWER STATE (VERB ID=F05H) (ALC262 D VERSION) .......................................................................52
8.17. VERB – SET POWER STATE (VERB ID=705H) ............................................................................................................53
8.18. VERB – GET CONVERTER STREAM, CHANNEL (VERB ID=F06H) ...............................................................................53
8.19. VERB – SET CONVERTER STREAM, CHANNEL (VERB ID=706H) ................................................................................54
8.20. VERB – GET PIN WIDGET CONTROL (VERB ID=F07H) ..............................................................................................54
8.21. VERB – SET PIN WIDGET CONTROL (VERB ID=707H) ...............................................................................................55
8.22. VERB – GET UNSOLICITED RESPONSE CONTROL (VERB ID=F08H) ...........................................................................55
8.23. VERB – SET UNSOLICITED RESPONSE CONTROL (VERB ID=708H) ............................................................................56
8.24. VERB – GET PIN SENSE (VERB ID=F09H)..................................................................................................................56
8.25. VERB – EXECUTE PIN SENSE (VERB ID=709H)..........................................................................................................57
8.26. VERB – GET CONFIGURATION DEFAULT (VERB ID=F1CH) .......................................................................................57
8.27. VERB – SET CONFIGURATION DEFAULT BYTES 0, 1, 2, 3 (VERB ID=71CH/71DH/71EH/71FH FOR BYTES 0, 1, 2, 3) 58
8.28. VERB – GET BEEP GENERATOR (VERB ID=F0AH) ...................................................................................................58
8.29. VERB – SET BEEP GENERATOR (VERB ID=70AH) ....................................................................................................59
8.30. VERB – GET GPIO DATA (VERB ID=F15H)...............................................................................................................59
8.31. VERB – SET GPIO DATA (VERB ID=715H)................................................................................................................60
8.32. VERB – GET GPIO ENABLE MASK (VERB ID=F16H).................................................................................................60
8.33. VERB – SET GPIO ENABLE MASK (VERB ID=716H) .................................................................................................61
8.34. VERB – GET GPIO DIRECTION (VERB ID=F17H).......................................................................................................61
8.35. VERB – SET GPIO DIRECTION (VERB ID=717H) .......................................................................................................62
8.36. VERB – GET GPIO UNSOLICITED RESPONSE ENABLE MASK (VERB ID=F19H).........................................................62
8.37. VERB – SET GPIO UNSOLICITED RESPONSE ENABLE MASK (VERB ID=719H)..........................................................63
4-Ch DAC and 6-Ch ADC High Definition Audio Code
v
Track ID: JATR-1076-21 Rev. 1.9
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