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ALC5672-VB
Multi-Channel Audio Hub/CODEC with Gen.3 Voice DSP
and SounzReal
TM
Post-Processing for Mobile Devices
DATASHEET
Rev. 0.91
21 January 2014
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

ALC5672-VB
Datasheet
ii
Rev. 0.91
COPYRIGHT
©2014 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. 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
ALC5672 Audio Codec IC.
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.

ALC5672-VB
Datasheet
iii
Rev. 0.91
REVISION HISTORY
Revision
Release Date
Summary
0.9
2014/1/13
First release for ALC5672-VB
0.91
2014/1/21
Modify TDM function

ALC5672-VB
Datasheet
iv
Rev. 0.91
Table of Contents
1. GENERAL DESCRIPTION .............................................................................................................................................. 1
2. FEATURES ......................................................................................................................................................................... 2
3. POWER/GROUND OPERATION CONDITIONS ......................................................................................................... 4
4. SYSTEM APPLICATION ................................................................................................................................................. 4
5. FUNCTION BLOCK AND MIXER PATH ..................................................................................................................... 5
5.1. FUNCTION BLOCK ........................................................................................................................................................ 5
5.2. AUDIO MIXER PATH..................................................................................................................................................... 6
5.3. DIGITAL MIXER PATH .................................................................................................................................................. 7
6. PIN ASSIGNMENTS ......................................................................................................................................................... 8
7. PIN DESCRIPTIONS......................................................................................................................................................... 9
7.1. DIGITAL I/O PINS ......................................................................................................................................................... 9
7.2. ANALOG I/O PINS ...................................................................................................................................................... 10
7.3. FILTER/REFERENCE .................................................................................................................................................... 11
7.4. POWER/GROUND ........................................................................................................................................................ 11
8. FUNCTION DESCRIPTION .......................................................................................................................................... 12
8.1. SYSTEM CONNECTION ................................................................................................................................................ 12
9. POWER ............................................................................................................................................................................. 13
9.1. POWER SUPPLY ON/OFF SEQUENCE ........................................................................................................................... 14
9.2. RESET ........................................................................................................................................................................ 16
9.2.1. Power-On Reset (POR) ........................................................................................................................................ 16
9.2.2. Software Reset ...................................................................................................................................................... 16
9.3. CLOCKING .................................................................................................................................................................. 17
9.3.1. Phase-Locked Loop .............................................................................................................................................. 18
9.3.2. I
2
C and Two I
2
S/PCM Interface ........................................................................................................................... 19
9.4. DIGITAL DATA INTERFACE ........................................................................................................................................ 22
9.4.1. Two I
2
S/PCM Interface ......................................................................................................................................... 22
9.5. AUDIO DATA PATH .................................................................................................................................................... 27
9.5.1. 2 Analog ADCs with 6-Channel Record Path ...................................................................................................... 27
9.5.2. 4 DACs with 4-Channel Playback Path................................................................................................................ 28
9.5.3. Mixers ................................................................................................................................................................... 29
9.6. ANALOG AUDIO INPUT PORT ..................................................................................................................................... 30
9.7. ANALOG AUDIO OUTPUT PORT .................................................................................................................................. 31
9.8. MULTI-FUNCTION PINS .............................................................................................................................................. 32
9.9. DRC AND AGC FUNCTION ........................................................................................................................................ 35
9.10. SOUNZREAL
TM
POST-PROCESSING ............................................................................................................................. 41
9.11. EQUALIZER BLOCK .................................................................................................................................................... 41
9.12. WIND NOISE REDUCTION FILTER ............................................................................................................................... 41
9.13. I
2
C CONTROL INTERFACE .......................................................................................................................................... 44
9.13.1. Address Setting ................................................................................................................................................ 44
9.13.2. Complete Data Transfer .................................................................................................................................. 44
9.14. GPIO, INTERRUPT AND JACK DETECTION .................................................................................................................. 46
9.15. PUSH BUTTON DETECTION ......................................................................................................................................... 49

ALC5672-VB
Datasheet
v
Rev. 0.91
9.16. POWER MANAGEMENT ............................................................................................................................................... 51
9.17. GEN.3 VOICE DSP FUNCTION .................................................................................................................................... 52
9.18. MULTI-JACK JACK DETECTION PIN (JD1) .................................................................................................................. 54
10. REGISTERS LIST ....................................................................................................................................................... 55
10.1. REGISTER MAP .......................................................................................................................................................... 55
10.2. MX-00H: S/W RESET & DEVICE ID ........................................................................................................................... 59
10.3. MX-02H: HEADPHONE OUTPUT CONTROL................................................................................................................. 59
10.4. MX-03H: LINE OUTPUT CONTROL ........................................................................................................................... 60
10.5. MX-0AH: IN1 PORT CONTROL - 1 ............................................................................................................................. 62
10.6. MX-0BH: IN1 PORT CONTROL - 2 ............................................................................................................................. 62
10.7. MX-0CH: IN1 PORT CONTROL - 3 ............................................................................................................................. 63
10.8. MX-0EH: IN2 INPUT CONTROL ................................................................................................................................. 63
10.9. MX-0FH: INL & INR VOLUME CONTROL ................................................................................................................. 64
10.10. MX-19H: DACL1/R1 DIGITAL VOLUME .............................................................................................................. 65
10.11. MX-1AH: DACL2/R2 DIGITAL VOLUME ............................................................................................................. 65
10.12. MX-1BH: DACL2/R2 MUTE/UN-MUTE CONTROL ............................................................................................... 67
10.13. MX-1CH: STEREO1 ADC DIGITAL VOLUME CONTROL ........................................................................................ 68
10.14. MX-1DH: MONO ADC DIGITAL VOLUME CONTROL ............................................................................................ 69
10.15. MX-1EH: ADC DIGITAL BOOST GAIN CONTROL.................................................................................................. 70
10.16. MX-1FH: STEREO2 ADC DIGITAL VOLUME CONTROL ......................................................................................... 71
10.17. MX-20H: MONO ADC DIGITAL BOOST GAIN CONTROL ....................................................................................... 72
10.18. MX-26H: STEREO2 ADC DIGITAL MIXER CONTROL ............................................................................................ 72
10.19. MX-27H: STEREO1 ADC DIGITAL MIXER CONTROL ............................................................................................ 73
10.20. MX-28H: MONO ADC DIGITAL MIXER CONTROL ................................................................................................ 74
10.21. MX-29H: STEREO ADC TO DAC DIGITAL MIXER CONTROL ................................................................................ 75
10.22. MX-2AH: STEREO DAC DIGITAL MIXER CONTROL ............................................................................................. 75
10.23. MX-2BH: MONO DAC DIGITAL MIXER CONTROL ............................................................................................... 76
10.24. MX-2CH: DAC DIGITAL MIXER CONTROL ........................................................................................................... 77
10.25. MX-2DH: VOICE DSP PATH CONTROL 1 .............................................................................................................. 78
10.26. MX-2EH: VOICE DSP VOLUME CONTROL ............................................................................................................ 79
10.27. MX-2FH: INTERFACE DAC/ADC DATA CONTROL ............................................................................................... 80
10.28. MX-31H: SPEAKER CONTROL 1 ............................................................................................................................ 80
10.29. MX-3BH: RECMIXL CONTROL 1 ........................................................................................................................ 81
10.30. MX-3CH: RECMIXL CONTROL 2 ........................................................................................................................ 81
10.31. MX-3DH: RECMIXR CONTROL 1 ........................................................................................................................ 82
10.32. MX-3EH: RECMIXR CONTROL 2 ........................................................................................................................ 82
10.33. MX-45H: HPOMIX CONTROL .............................................................................................................................. 83
10.34. MX-4FH: OUTMIXL CONTROL ........................................................................................................................... 83
10.35. MX-52H: OUTMIXR CONTROL ........................................................................................................................... 84
10.36. MX-53H: LOUTMIX CONTROL ........................................................................................................................... 84
10.37. MX-61H: POWER MANAGEMENT CONTROL 1 ....................................................................................................... 85
10.38. MX-62H: POWER MANAGEMENT CONTROL 2 ....................................................................................................... 86
10.39. MX-63H: POWER MANAGEMENT CONTROL 3 ....................................................................................................... 86
10.40. MX-64H: POWER MANAGEMENT CONTROL 4 ....................................................................................................... 87
10.41. MX-65H: POWER MANAGEMENT CONTROL 5 ....................................................................................................... 88
10.42. MX-66H: POWER MANAGEMENT CONTROL 6 ....................................................................................................... 89
10.43. MX-6AH: PRIVATE REGISTER INDEX .................................................................................................................... 89
10.44. MX-6CH: PRIVATE REGISTER DATA ..................................................................................................................... 89
10.45. MX-70H: I2S1 DIGITAL INTERFACE CONTROL ..................................................................................................... 90
10.46. MX-71H: I2S2 DIGITAL INTERFACE CONTROL ..................................................................................................... 90
10.47. MX-73H: ADC/DAC CLOCK CONTROL ................................................................................................................ 91
10.48. MX-74H: ADC/DAC HPF CONTROL .................................................................................................................... 92
10.49. MX-75H: DIGITAL MICROPHONE CONTROL 1 ....................................................................................................... 93
10.50. MX-76H: DIGITAL MICROPHONE CONTROL 2 ....................................................................................................... 94
剩余177页未读,继续阅读









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