pandaboard OMAP 4 Series User manual

OMAPTM 4 PandaBoard
System Reference Manual
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OMAPTM 4 PandaBoard System
Reference Manual
Revision 0.4
September 22, 2010
DOC-21010
Page 2 of 83
IMPORTANT NOTICE
THIS DOCUMENT
This work is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported License. To
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Creative Commons, 171 Second Street, Suite 300, San Francisco, California, 94105, USA.
For more information, see http://creativecommons.org/license/results-one?license_code=by-sa
For any questions, concerns, or issues submit them to [email protected]
PANDABOARD DESIGN
These design materials referred to in this document are *NOT SUPPORTED* and DO NOT
constitute a reference design. Only “community” support is allowed via resources at:
http://pandaboard.org/content/community/home.
THERE IS NO WARRANTY FOR THE DESIGN MATERIALS, TO THE EXTENT
PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN
WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE
DESIGN MATERIALS “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER
EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 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, REPAIR OR
CORRECTION.
We mean it; these design materials may be totally unsuitable for any purposes.
PandaBoard.org 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
PandaBoard.org 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
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OMAPTM 4 PandaBoard System
Reference Manual
Revision 0.4
September 22, 2010
DOC-21010
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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 PandaBoard.org 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.
PandaBoard.org currently deals with a variety of customers for products, and therefore our arrangement
with the user is not exclusive. PandaBoard.org 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 PandaBoard.org environmental and/or safety programs, please
visit http://pandaboard.org.
No license is granted under any patent right or other intellectual property right of PandaBoard.org
covering or relating to any machine, process, or combination in which such PandaBoard.org products or
services might be or are used.
Mailing Address:
PandaBoard.org
1380 Presidential Drive
Richardson, TX 75081
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OMAPTM 4 PandaBoard System
Reference Manual
Revision 0.4
September 22, 2010
DOC-21010
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WARRANTY: The PandaBoard is warranted against defects in materials and workmanship for a period
of 90 days from purchase. This warranty does not cover 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 issue is found or express return is needed, the customer will
pay all shipping costs.
Before returning the board, please visit:
http://pandaboard.org/content/resources/troubleshooting.
To return a defective board, please request an RMA at:
http://pandaboard.org/content/return-merchandise-application.
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OMAPTM 4 PandaBoard System
Reference Manual
Revision 0.4
September 22, 2010
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Preface
Read This First
About This Manual
This manual should be used by software and hardware developers of applications based on the
OMAP4430 chipset. This document describes the OMAP4430 PandaBoard hardware. This
document also gives the user information about the different interfaces on the OMAP4430
PandaBoard.
Related Documentation
àOMAP4430 Technical Reference Manual
àPandaBoard Schematic (750-2152-001-SCH) – Early Adopter Board
àPandaBoard Gerber Files (720-2152-001) – Early Adopter Board
àPandaBoard Bill-of-Materials (750-2152-001-EBOM) – Early Adopter Board
àPandaBoard Schematic (750-2152-002-SCH) – Production Board
àPandaBoard Gerber Files (720-2152-002) – Production Board
àPandaBoard Bill-of-Materials (750-2152-010-EBOM) – Production Board
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OMAPTM 4 PandaBoard System
Reference Manual
Revision 0.4
September 22, 2010
DOC-21010
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Revision History
Revision History
Rev Changes Date
0.1 Preliminary Release 24 Aug. 2010
0.2 Re-release after initial feedback 2 Sept. 2010
0.3 Document Board ID bits 8 Sept. 2010
0.4 Add information for schematics, PCB information 22 Sept. 2010
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OMAPTM 4 PandaBoard System
Reference Manual
Revision 0.4
September 22, 2010
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Contents
1Introduction ............................................................................................................................................... 11
1.1 OMAP4430 PandaBoard Overview .......................................................................................................... 12
1.2 Overview of the OMAP4430 PandaBoard Kit Contents........................................................................... 13
2OMAP4430 PandaBoard Architecture ...................................................................................................... 14
2.1 Overview of the PandaBoard Architecture................................................................................................ 14
2.2 System Clock Distribution ........................................................................................................................ 17
2.3 OMAP4430 Processor ............................................................................................................................... 17
2.4 TWL6030 Power Companion IC............................................................................................................... 18
2.4.1 TWL6030 Core SMPS Outputs ........................................................................................................... 18
2.4.2 TWL6030 V1V8 SMPS Output ........................................................................................................... 19
2.4.3 TWL6030 V2V1 SMPS Output ........................................................................................................... 19
2.4.4 TWL6030 VMEM SMPS Output ........................................................................................................19
2.4.5 TWL6030 V1V29 SMPS Output ......................................................................................................... 19
2.4.6 TWL6030 LDO Power Resources ....................................................................................................... 19
2.4.7 TWL6030 Clock Circuitry ................................................................................................................... 20
2.5 TWL6040 Audio Companion IC............................................................................................................... 20
2.6 SYSBOOT Configuration ......................................................................................................................... 21
2.7 Miscellaneous Power Circuitry ................................................................................................................. 24
2.7.1 Input Power Circuitry........................................................................................................................... 24
2.7.2 USB/Ethernet Power Circuitry............................................................................................................. 26
2.8 Standard Volatile Memory ........................................................................................................................ 26
2.9 Debug UART Interface ............................................................................................................................. 26
2.10 SD/MMC Connector ................................................................................................................................. 27
2.11 HDMI Interface ......................................................................................................................................... 28
2.12 Display Interface ....................................................................................................................................... 30
2.12.1 Parallel Display DVI-D connector .................................................................................................. 30
2.12.2 Parallel Display Expansion Connector Interface............................................................................. 32
2.13 Bluetooth/WLAN Interfaces ..................................................................................................................... 36
2.14 Audio Interfaces ........................................................................................................................................ 38
2.15 USB Interfaces........................................................................................................................................... 39
2.15.1 USBOTG Interface.......................................................................................................................... 39
2.15.2 USBB1 Phy Interface ...................................................................................................................... 40
2.16 Expansion Connectors (J3 & J6) ............................................................................................................... 42
2.17 Camera Expansion Connector (J17).......................................................................................................... 44
2.18 Composite Video (J12).............................................................................................................................. 45
2.19 JTAG Connector (J8) ................................................................................................................................ 47
2.20 LED Indicators .......................................................................................................................................... 48
2.21 User Interface Features.............................................................................................................................. 49
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OMAPTM 4 PandaBoard System
Reference Manual
Revision 0.4
September 22, 2010
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2.21.1 S1 – Push Button Switch ................................................................................................................. 50
2.21.2 S2 - Push Button Switch.................................................................................................................. 50
2.22 I2C Device Mapping .................................................................................................................................. 50
2.22.1 OMAP I2C1 ..................................................................................................................................... 50
2.22.2 OMAP I2C2 ..................................................................................................................................... 50
2.22.3 OMAP I2C3 ..................................................................................................................................... 51
2.22.4 OMAP I2C4 ..................................................................................................................................... 51
3PandaBoard S/W Interface ........................................................................................................................ 52
3.1 Readable Board Revision .......................................................................................................................... 52
3.2 PandaBoard Pin Multiplexing ................................................................................................................... 52
3.2.1 Panda Base Platform Pin Multiplexing ................................................................................................ 52
3.2.2 Camera Expansion Connector Pin Multiplexing.................................................................................. 56
3.2.3 Expansion Connector (J3 & J6) Pin Multiplexing ............................................................................... 57
3.3 OMAP4430 PandaBoard Key Components ..............................................................................................59
3.4 OMAP4430 PandaBoard Key Component Datasheet URLs .................................................................... 60
3.4.1 Connector Datasheets........................................................................................................................... 60
3.4.2 Key Electronic Component Datasheets................................................................................................ 61
4Test/Debug Information ............................................................................................................................ 62
4.1 PandaBoard Clock Signal Access ............................................................................................................. 62
4.1.1 H_FREF_ALTCLK_IN_OMAP Probe Point ...................................................................................... 62
4.1.2 USBB1_PHY_REFCLK Probe Point .................................................................................................. 63
4.1.3 CLK32K_AUD Probe Point ................................................................................................................ 63
4.2 PandaBoard Power Rail Signal Access ..................................................................................................... 64
4.2.1 TWL6030 SMPS Output Probe Points ................................................................................................64
4.2.2 VCXIO LDO Output Probe Point ........................................................................................................ 65
4.3 PandaBoard Interface Signal Access......................................................................................................... 66
4.3.1 TWL6040 PDM Interface Probe Points............................................................................................... 66
4.4 PandaBoard Schematic.............................................................................................................................. 67
4.5 PandaBoard Bill of Materials .................................................................................................................... 83
4.6 PandaBoard PCB Design Information....................................................................................................... 83
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OMAPTM 4 PandaBoard System
Reference Manual
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September 22, 2010
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Figures
Figure 1 – OMAP4430 PandaBoard Architectural Block Diagram ........................................................... 15
Figure 2 – OMAP4430 PandaBoard (Top View) .......................................................................................16
Figure 3 – SYSBOOT[5:0] Resistor Locations .......................................................................................... 24
Figure 4 – PandaBoard Input Power Circuitry Block Diagram.................................................................. 25
Figure 5 – Panda UART3/RS-232 Block Diagram .................................................................................... 27
Figure 6 – Panda SDMMC1 Card Cage Block Diagram............................................................................ 28
Figure 7 – Panda HDMI Interface Block Diagram..................................................................................... 29
Figure 8 – Panda Display Interface Block Diagram ................................................................................... 30
Figure 9 – Panda DVI-D Output Block Diagram ....................................................................................... 31
Figure 10 – Panda Display Expansion Block Diagram .............................................................................. 33
Figure 11 – Panda Display RMUX “A” Resistor Locations (Top Side of PCB) ....................................... 35
Figure 12 – Panda Display RMUX “B” Resistor Locations (Bottom Side of PCB) .................................. 36
Figure 13 – PandaBoard WLAN/Bluetooth Interface Block Diagram....................................................... 37
Figure 14 – Panda Audio Interface Block Diagram.................................................................................... 39
Figure 15 – Panda USBOTG Interface Block Diagram.............................................................................. 40
Figure 16 – Panda USBB1 Interface Block Diagram .................................................................................41
Figure 17 – Expansion Connector PCB Placement/Orientation................................................................. 42
Figure 18 – Composite Video Connectivity ............................................................................................... 46
Figure 19 – Composite Video Connector J12 PCB Orientation................................................................. 46
Figure 20 – 14-pin JTAG Connector (J8)................................................................................................... 47
Figure 21 – PandaBoard LED Locations.................................................................................................... 49
Figure 22 – 38.4 MHz Input Clock Probe Point (h_FREF_ALTCLK_IN_OMAP) .................................. 63
Figure 23 – USB Phy Ref Clock In Probe Point (USBB1_PHY_REFCLK) ............................................. 63
Figure 24 – 32KHz Audio Clock Probe Point (CLK32K_AUD)............................................................... 64
Figure 25 – TWL6030 SMPS Output Probe Points....................................................................................65
Figure 26 – TWL6030 VCXIO LDO Output Probe Points ........................................................................ 66
Figure 27 – TWL6040 PDM Interface Probe Points ..................................................................................67
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OMAPTM 4 PandaBoard System
Reference Manual
Revision 0.4
September 22, 2010
DOC-21010
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Tables
Table 1: PandaBoard Features .................................................................................................................... 12
Table 2: SYSBOOT[5:0] Definitions – Peripheral Preferred Booting ....................................................... 22
Table 3: SYSBOOT[5:0] Definitions – Memory Preferred Booting.......................................................... 23
Table 4: HDMI GPIO Definitions .............................................................................................................. 30
Table 5: DVI-D Display GPIO Definitions ................................................................................................ 32
Table 6: LCD Expansion Connector “A” Pin Definitions (J1)................................................................... 34
Table 7: LCD Expansion Connector “B” Pin Definitions (J4)................................................................... 35
Table 8: WLAN/Bluetooth Module GPIO Definitions............................................................................... 38
Table 9: USB Host Port/Ethernet GPIO Definitions .................................................................................. 41
Table 10: Expansion Connector “A” Pin Definitions (J3)..........................................................................43
Table 11: Expansion Connector “B” Pin Definitions (J6)..........................................................................44
Table 12: Camera Expansion Connector Pin Definitions (J17).................................................................. 45
Table 13: JTAG Connector Pinout (J8) ...................................................................................................... 48
Table 14: OMAP I2C1 Device Addresses................................................................................................... 50
Table 15: OMAP I2C2 Device Addresses................................................................................................... 50
Table 16: OMAP I2C3 Device Addresses................................................................................................... 51
Table 17: OMAP I2C4 Device Addresses................................................................................................... 51
Table 18: Board ID Read Values................................................................................................................ 52
Table 19: PandaBoard OMAP4430 Pin Multiplexing................................................................................ 56
Table 20: Camera Expansion Connector (J17) Pin Multiplexing Options ................................................. 57
Table 21: Expansion Connector (J3 & J6) Pin Multiplexing Options........................................................ 58
Table 22: OMAP4430 PandaBoard Key H/W Components....................................................................... 60
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