Audio Cape
Page 6 of 28
Table of Contents
FIGURES...................................................................................................................................................... 7
TABLES........................................................................................................................................................ 7
1.0
INTRODUCTION............................................................................................................................... 9
2.0
CHANGE HISTORY.........................................................................................................................10
2.1
CHANGE HISTORY............................................................................................................................10
2.2
REV AVS.A1 ..................................................................................................................................10
3.0
BEAGLEBONE DVI-D WITH AUDIO CAPE OVERVIEW .......................................................11
3.1
DESCRIPTIONS..................................................................................................................................11
3.2
BOX CONTENT .................................................................................................................................11
3.3
GETTING STARTED...........................................................................................................................12
3.4
REPAIRS...........................................................................................................................................13
4.0
FEATURES AND SPECIFICATIONS............................................................................................14
4.1
KEY COMPONENT LOCATIONS .........................................................................................................14
4.2
DVI-D INTERFACE...........................................................................................................................15
4.3
HDMI CONNECTOR .........................................................................................................................15
4.4
AUDIO CODEC..................................................................................................................................16
4.5
STEREO AUDIO PORTS .....................................................................................................................16
4.6
INDICATORS.....................................................................................................................................16
4.7
EXPANSION CONNECTORS................................................................................................................16
4.8
MECHANICAL SPECIFICATIONS ........................................................................................................16
5.0
BEAGLEBONE DVI-D WITH AUDIO CAPE SYSTEM ARCHITECTURE AND DESIGN ..17
5.1
SYSTEM BLOCK DIAGRAM...............................................................................................................17
5.2
DVI-D INTERFACE...........................................................................................................................18
5.2.1
Main Expansion Headers ......................................................................................................18
5.2.2
Bus Transceiver.....................................................................................................................18
5.2.3
Digital Transmitter................................................................................................................19
5.3
AUDIO INTERFACE ...........................................................................................................................21
5.3.1
Power Supply.........................................................................................................................21
5.3.2
Record Path...........................................................................................................................21
5.3.3
Playback Path........................................................................................................................22
5.3.4
Audio Serial Bus Interface.....................................................................................................22
5.3.5
TLV320AIC3106 Codec........................................................................................................23
5.4
EEPROM ........................................................................................................................................23
5.4.1
EEPROM Address .................................................................................................................24
5.4.2
I2C Bus..................................................................................................................................24
5.5
USER LED’S....................................................................................................................................25
6.0
MECHANICAL INFORMATION...................................................................................................27
6.1
BEAGLEBONE DVI-D WITH AUDIO CAPE DIMENSIONS ...................................................................27
7.0
DESIGN MATERIALS.....................................................................................................................28
