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Akash_k
Akash_k
Associate III
Aug 17, 2020 8:07 AM UTC
Solved

Why NC is written on PF0 and PF1 pins of NUCLEO H743ZI2 though it is connected to microcontroller?

I am working on NUCLEO H743ZI2 and I want to use PF0 and PF1 pins as I2C2. But on nucleo board NC is written on these pins. Can I use these pins as I2C2?

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Mike_ST
Mike_STBest answer
ST Technical Moderator
Aug 18, 2020 10:01 AM UTC

PF0 and PF1 are connected. Silkscreen has been updated in later revisions.

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3 replies

hansd56
hansd56
Senior
Aug 17, 2020 8:25 AM UTC

How come you have a revision MB1364B board. Mine is revision MB1364C with a revision V chip. Anyway, have a look at the attached schematics. Revision B no revision C yes, unless you put the external oscillator.

TDK
TDK
Aug 17, 2020 1:22 PM UTC

I'd be inclined to trust the board and assume those pins are not connected.

Set them up a GPIO outputs and see if you can change them, or probe directly to be certain. Schematics are also available.

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Mike_ST
Mike_STBest answer
ST Technical Moderator
Aug 18, 2020 10:01 AM UTC

PF0 and PF1 are connected. Silkscreen has been updated in later revisions.

In order to give better visibility on the answered topics, please click on 'Best answer' on the reply which solved your issue or answered your question. 
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