ALC5640音频Codec

ALC5640-VB

Multi-Channel Audio Hub/CODEC and

SounzReal

TM

Digital Sound Effect

for Mobile Devices

© 2013 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

ALC5640 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.

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

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

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

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

5. PIN ASSIGNMENTS ......................................................................................................................................................... 7

6. PIN DESCRIPTIONS......................................................................................................................................................... 8

7.3.1. Power-On Reset (POR) ........................................................................................................................................ 15

7.3.2. Software Reset ...................................................................................................................................................... 15

7.4.1. Phase-Locked Loop .............................................................................................................................................. 17

7.4.2. I

2

C and Two I

2

S/PCM Interface ........................................................................................................................... 18

7.5.1. Two I

2

S/PCM Interface ......................................................................................................................................... 22

7.14.1. Wind Filter ....................................................................................................................................................... 37

7.14.2. Dynamic Wind Noise Detector ........................................................................................................................ 40

8. REGISTERS LIST ........................................................................................................................................................... 49