background image

BeagleBone DVI-D with 
Audio Cape 

System  Reference Manual 

Revision A1 

 

  

 

Page 4 of 28 

 

 

 

BeagleBoardToys provides the enclosed product(s) under the following conditions: 

 
This evaluation board/kit is intended for use for 

ENGINEERING DEVELOPMENT, DEMONSTRATION, OR 

EVALUATION  PURPOSES  ONLY 

and  is  not  considered  by  BeagleBoardtoys.com  to  be  a  finished  end-

product  fit  for  general consumer  use.  Persons  handling  the  product(s)  must  have  electronics training  and 
observe  good  engineering  practice  standards.  As  such,  the  goods  being  provided  are  not  intended  to  be 
complete in terms of required design-, marketing-, and/or manufacturing-related protective considerations, 
including product safety and environmental measures typically found in end products that incorporate such 
semiconductor components or circuit boards. This evaluation board/kit does not fall within the scope of the 
European Union directives regarding electromagnetic compatibility, restricted substances (RoHS), recycling 
(WEEE), FCC, CE or UL, and therefore may not meet the technical requirements of these directives or other 
related directives. 
 
Should this evaluation board/kit not meet the specifications indicated in the User’s Guide, the board/kit may 
be returned within 

30 days

 from the date of delivery for a full refund. THE FOREGOING WARRANTY IS 

THE  EXCLUSIVE  WARRANTY  MADE  BY  SELLER  TO  BUYER  AND  IS  IN  LIEU  OF  ALL  OTHER 
WARRANTIES,  EXPRESSED,  IMPLIED,  OR  STATUTORY,  INCLUDING  ANY  WARRANTY  OF 
MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE. 
 
The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user 
indemnifies BeagleBoardtoys.com from all claims arising from the handling or use of the goods. Due to the 
open construction of the product, it is the user’s responsibility to take any and all appropriate precautions 
with regard to electrostatic discharge. 
 
EXCEPT  TO  THE  EXTENT  OF  THE  INDEMNITY  SET  FORTH  ABOVE,  NEITHER  PARTY  SHALL  BE 
LIABLE  TO  THE  OTHER  FOR  ANY  INDIRECT,  SPECIAL,  INCIDENTAL,  OR  CONSEQUENTIAL 
DAMAGES. 
 
BeagleBoardtoys.com  currently  deals  with  a  variety  of  customers  for  products,  and  therefore  our 
arrangement with the user 

is not exclusive

. BeagleBoardtoys.com assumes 

no liability for applications 

assistance, customer product design, software performance, or infringement of patents or services 
described herein

 
Please  read  the  User’s Guide  and,  specifically,  the  Warnings  and  Restrictions  notice  in the  User’s Guide 
prior  to  handling  the  product.  This  notice  contains  important  safety  information  about  temperatures  and 
voltages. For additional information on BeagleBoardtoys.com environmental and/or safety programs, please 
contact visit BeagleBoardtoys.com.  
 
No license is granted under any patent right or other intellectual property right of BeagleBoard.org covering 
or  relating  to  any  machine,  process,  or  combination  in  which  such  BeagleBoardtoys.com  products  or 
services might be or are used. 
 
Mailing Address: 

Beagleboardtoys.com 

1380 Presidential Dr. #100 
Richardson, TX 75081 

U.S.A. 

Summary of Contents for BeagleBone DVI-D

Page 1: ...BeagleBone DVI D with Audio Cape System Reference Manual Revision A1 Page 1 of 28 BeagleBone DVI D with Audio Cape Rev A1 System Reference Manual Revision A1 October 1st 2012...

Page 2: ...license results one license_code by sa For any questions concerns or issues submit them to support beagleboardtoys com BEAGLEBONE DVI D WITH AUDIO CAPE DESIGN These design materials referred to in thi...

Page 3: ...PARTICULAR PURPOSE THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE DESIGN MATERIALS IS WITH YOU SHOULD THE DESIGN MATERIALS PROVE DEFECTIVE YOU ASSUME THE COST OF ALL NECESSARY SERVICING REP...

Page 4: ...IED OR STATUTORY INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE The user assumes all responsibility and liability for proper and safe handling of the goods Further the...

Page 5: ...ver any problems occurring as a result of improper use modifications exposure to water excessive voltages abuse or accidents All boards will be returned via standard mail if an issue is found If no is...

Page 6: ...EC 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 D...

Page 7: ...ver 19 Figure 5 DVI D PanelBus Digital Transmitter and Voltage Translator 20 Figure 6 The Record Path of TLV320AIC3106 21 Figure 7 The Playback Path of TLV320AIC3106 22 Figure 8 Audio Serial Bus Inter...

Page 8: ...BeagleBone DVI D with Audio Cape System Reference Manual Revision A1 Page 8 of 28 NOTES...

Page 9: ...e perspective The perspective will be general in nature and not specific to any one board The key sections in this document are Section 2 0 Change History Provides tracking for the changes made to the...

Page 10: ...story Rev Changes Date By A Initial release 08 25 2011 BBT A1 1 Add Rev A vs A1 section 2 2 10 01 2012 BBT 2 2 Rev A vs A1 The only changes in this revision are PCB silkscreens to accommodate the rele...

Page 11: ...C3106 codec Audio data is sampled at up to 96 kHz during recording or playback The codec interfaces with the Multichannel Audio Serial Port of the AM335x via audio serial bus The BeagleBone DVI D with...

Page 12: ...768 Please ensure your monitor supports this resolution Note Only plug in or unplug the HDMI cable when the board is not powered Hot plugging or unplugging while the board is powered on may damage the...

Page 13: ...to speakers 3 4 Repairs If you feel the board is in need of repair follow the RMA Request process found at http www beagleboardtoys com support rma Do not send the board in for repair until a RMA auth...

Page 14: ...ard Table 2 provides a list of the BeagleBone DVI D with Audio Cape s features Table 2 BeagleBone DVI D with Audio Cape Features Feature Power Supply 3 3V via expansion 5V via expansion Audio Connecto...

Page 15: ...upport over I2C is provided in order to allow for the identification of the LCD monitor type and the required settings 4 3 HDMI Connector The BeagleBone DVI D with Audio Cape uses an HDMI connector th...

Page 16: ...sed for recording audio output port is used for playback 4 6 Indicators There are two user LED s on the board Both are green when lit and can be controlled via software by setting the GPIO ports 4 7 E...

Page 17: ...Architecture and Design This section provides a high level description of the design of the BeagleBone DVI D with Audio Cape and its overall architecture 5 1 System Block Diagram Figure 3 is the high...

Page 18: ...are powered by power rail VDD_3V3 In addition to the monitor EDID the Board ID EEPROM on the DVI D cape can also be accessed via I2C2 signals 5 2 2 Bus Transceiver LCD data and control signals are bu...

Page 19: ...ected to the active low power down pin PD of the transmitter The TFP410 transmits three pairs of differential signal outputs and one pair of differential output clock to the HDMI connector The EDID I2...

Page 20: ...BeagleBone DVI D with Audio Cape System Reference Manual Revision A1 Page 20 of 28 Figure 5 DVI D PanelBus Digital Transmitter and Voltage Translator...

Page 21: ...however the BeagleBone DVI D with Audio Cape only supports two single ended audio inputs Each input is passed through a programmable gain amplifier PGA which allows gain control from 0 dB to 59 5 dB i...

Page 22: ...vel control for each output channel If no mixings are required an output playback signals with highest DAC quality can be provided by using a direct connection for DAC outputs The analog volume contro...

Page 23: ...supports both standard and fast modes and has a 7 bit address of 0011011 An external oscillator is used to provide a 12MHz clock signal to the master clock input MCLK of the codec 5 4 EEPROM The Beag...

Page 24: ...r each board Address line A2 is always tied high This sets the allowable address range for the expansion cards to 0x54 to 0x57 All other I2C addresses can be used by the user in the design of their Ca...

Page 25: ...n A1 Page 25 of 28 5 5 User LED s The BeagleBone DVI D with Audio Cape features two user LED s which are same as D2 and D3 on the BeagleBone boards These two LED s can be access via GPIO pins on the p...

Page 26: ...that are connected to SYS_5V rail FB8 provides noise immunity to the system by the LED s which can be a source of noise back into the system rail Each LED is controlled by settings the appropriate GP...

Page 27: ...ical Information 6 1 BeagleBone DVI D with Audio Cape Dimensions This section provides information on the mechanical aspect of the BeagleBone DVI D with Audio Cape Figure 11 is the dimensions of the B...

Page 28: ...rt is allowed via resources at BeagleBoard org discuss THERE IS NO WARRANTY FOR THE DESIGN MATERIALS TO THE EXTENT PERMITTED BY APPLICABLE LAW EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOL...

Reviews: