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DEVKIT-MPC5744P 12V supply with CAN

Question asked by Phil Ma on Mar 27, 2018
Latest reply on Mar 29, 2018 by Petr Stancik

Hi all,

 

I have a question regarding the 12V power supply of the DEVKIT-MPC5744P.

The Quick Start Guide says that this external supply is necessary for CAN communication (p.14). Hower I was able to implement a simple CAN communication through CAN_0 with just the USB supply.

 

So in which cases do I need the external supply?

 

Best regards,

Philipp

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