Digital Voice Interface Application Note r0

LE866 DIGITAL VOICE INTERFACE APPLICATION NOTE 80471NT11521A Rev.0 • 2017-01-16 5 of 22
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CONTENTS
1 Introduction 6
Scope 6
Audience 6
Contact Information, Support 6
List of acronyms 7
Text Conventions 8
1.6. Related Documents 8
2 Overview 9
3 DVI OVERVIEW 10
4 DVI BUS 11
DVI PIN LIST 11
5 DVI AT COMMANDS 12
AT#DVI 12
AT#DVIEXT 13
6 DVI Setting Examples 15
Normal (I2S) Mode 16
Module is Master 16
Configure the module in Master/Normal (I2S) Mode (DVI Bus) 16
Configure the codec in Slave/Normal (I2S) Mode (I2C Bus) 17
7 Annex 19
I
2
S Bus Overview 19
Schematic 20
8 Document History 21
Revisions 21