ALC5651 realtek

ALC5651

Ultra-Low Power Two-Channel Audio CODEC

with SounzReal

TM

Digital Sound Effect

for Mobile Devices

© 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.

are trademarks/registered trademarks of their respective owners.

This document is intended for the hardware and software engineer’s general information on the Realtek

ALC5651 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.

Table of Contents

1. GENERAL DESCRIPTION .............................................................................................................................................. 1

2. FEATURES ......................................................................................................................................................................... 2

3. SYSTEM APPLICATION ................................................................................................................................................. 3

4. FUNCTION BLOCK AND MIXER PATH ..................................................................................................................... 4

7. FUNCTION DESCRIPTION .......................................................................................................................................... 11

7.3.1. Power-On Reset (POR) ........................................................................................................................................ 13

7.3.2. Software Reset ...................................................................................................................................................... 13

7.4.1. Phase-Locked Loop .............................................................................................................................................. 15

7.4.2. I

C and I

S/PCM/TDM Interface .......................................................................................................................... 16

7.6.3. Mixers ................................................................................................................................................................... 26

7.13.1. Wind Filter ....................................................................................................................................................... 34

8. REGISTERS LIST ........................................................................................................................................................... 44