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TMS320F28335: CAN Bus connection
Part Number: TMS320F28335
We have a board which CAN A of the 1st TMS320F28335 communicates with CAN of one TMS320F28377 , and CAN B of the 1st TMS320F28335 communicates with CAN A of the 2nd TMS320F28335. We found if CAN A of the 1st TMS320F28335 stop working due to bus-off, then the CAN B of 1st TMS320F28335 also stop working. Does two CAN of TMS320F28335 need to work at the same time? Or are they independent? What is the possible reason for this issue?
Your help is very appreciated!
CAN-A and CAN-B are two independent modules in a 28335 device. What happens in one module will not affect the other module unless they are both connected to the same bus. Is this your configuration?
Are the above two networks independent or are they connected to each other?
C2000 Microcontroller Applications, Texas Instruments, Houston.
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In reply to Hareesh Janakiraman:
Can you provide a block diagram of your system that shows how the CAN modules are connected?
Please download my Application report http://www.ti.com/lit/spra876. It has many tested examples. I also urge you to look at the Debug tips provided.
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