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BeagleBone CANBus Cape

System Reference Manual

Revision A1

Page 10 of 21

2.0

Change History

2.1

Change History

Table 1 tracks the changes made for each revision of this document.

Table 1.

Change History

Rev

Changes

Date

By

A1

Initial release.

09/28/2012

BBT

.

«
...
8
9
10
11
12
...
»

Summary of Contents for CANBus Cape

Page 1: ...BeagleBone CANBus Cape System Reference Manual Revision A1 September 28th 2012...

Page 2: ...license results one license_code by sa For any questions concerns or issues submit them to support beagleboardtoys com BEAGLEBONE CANBUS CAPE DESIGN These design materials referred to in this document...

Page 3: ...ICULAR 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 O...

Page 4: ...R 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...

Page 5: ...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...

Page 6: ...3 REPAIRS 12 4 0 FEATURES AND SPECIFICATIONS 13 4 1 KEY COMPONENT LOCATIONS 14 4 2 CAN BUS INTERFACE 14 4 3 POWER INDICATOR 15 4 4 MECHANICAL SPECIFICATIONS 15 4 5 ELECTRICAL SPECIFICATIONS 15 5 0 SY...

Page 7: ...e 2 Key Components 14 Figure 3 BeagleBone CANBus Cape High Level Block Diagram 16 Figure 4 CAN Transceiver Circuit 17 Figure 5 UART Selection Circuit 18 Figure 6 BeagleBone CANBus Cape EEPROM 19 Figur...

Page 8: ...BeagleBone CANBus Cape System Reference Manual Revision A1 Page 8 of 21 NOTES...

Page 9: ...ons in this document are Section 2 0 Change History Provides tracking for the changes made to the System Reference Manual Section 3 0 Overview This is a high level overview of the BeagleBone CANBus Ca...

Page 10: ...em Reference Manual Revision A1 Page 10 of 21 2 0 Change History 2 1 Change History Table 1 tracks the changes made for each revision of this document Table 1 Change History Rev Changes Date By A1 Ini...

Page 11: ...or to provide a Controller Area Network CAN interface that meets the specifications of ISO11898 The CAN Bus interface can be accessed via a standard D Sub 9 female serial connector This connector is l...

Page 12: ...ne CANBus Cape 3 3 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 an RMA...

Page 13: ...d provides a high level description of the major components and interfaces that make up the board Table 2 provides a list of the BeagleBone CANBus Cape s features Table 2 BeagleBone CANBus Cape Featur...

Page 14: ...Cape uses an RSZ 3 305HP to provide isolated power sources for the CAN transceiver ISO1050 ISO1050 is a galvanically isolated CAN transceiver that isolates grounds and prevents noise currents from en...

Page 15: ...D is green when lit 4 4 Mechanical Specifications Size 4 00 x 2 50 Layers 4 PCB thickness 062 RoHS Compliant Yes 4 5 Electrical Specifications Table 3 is the electrical specification of the external i...

Page 16: ...Cape Figure 3 BeagleBone CANBus Cape High Level Block Diagram 5 2 CAN Transceiver ISO1050 is a galvanically isolated CAN transceiver The input and output buffers are isolated by a silicon oxide insul...

Page 17: ...Cape Figure 4 CAN Transceiver Circuit 5 3 Isolated Power and Ground The CANBus Cape uses an isolated DC DC converter RSZ 3 305HP to convert 3 3V to 5 0V for the CAN transceiver RSZ 3 305HP features a...

Page 18: ...lection circuit on the CANBus Cape Figure 5 UART Selection Circuit 5 5 EEPROM The BeagleBone CANBus Cape has an EEPROM containing information that will allow the SW to identify the board and to config...

Page 19: ...rd 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 Capes But th...

Page 20: ...evision A1 Page 20 of 21 6 0 Mechanical Information This section provides information on the mechanical aspect of the BeagleBone CANBus Cape Figure 7 is the dimensions of the BeagleBone CANBus Cape Fi...

Page 21: ...wed 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 HOLDERS AND O...

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