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On the S12ZVCA - Entering STOP Mode and Wakeup using CAN bus traffic multiple times causes CAN Bus off state and the Micro stops responding to CAN bus traffic and does not wakeup.

Question asked by HARSHA J K on Oct 13, 2017
Latest reply on Oct 27, 2017 by lama

Hi All,

 

I have a system where multiple nodes are connected on the CAN bus. I am using the S12ZVCA micro on one of the system. When I receive a command from a particular node I put the micro in to STOP mode and wait for a CAN bus traffic to wake up and transition to Normal mode. This STOP mode to Normal mode transition works for certain tens of times but after a while the micro enters the STOP mode and does not respond to CAN traffic anymore and remains in the STOP mode. 

 

Could anyone suggest me on how to determine the cause of this issue ?

 

Thanks in advance,

Harsha J K

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