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RXFD_MODE and TXFD_MODE pins, what are they for?

Mike Ciholas
Associate III

‎2020-02-06 12:35 PM

STM32H745 DS indicates there are these signals:

CANFD1_TXFD_MODE

CANFD1_RXFD_MODE

CANFD2_TXFD_MODE

CANFD2_RXFD_MODE

No mention is made in the DS for their purpose, nor in AN5348 "FDCAN peripheral on STM32 devices". The signals are not mentioned at all in the RM.

So what are those signals for? How do you use them?

1 REPLY 1
Amel NASRI
ST Employee

‎2020-03-25 03:23 AM

Hi @Mike Ciholas​ ,

These pins were introduced for debug purposes but need to be removed from all documents and tools.

Requests are tracked internally to do it, you can ignore about them.

-Amel

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