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Associate II
August 27, 2026
Solved

No PF0 or PF1 on NUCLEO-H533RE!!!

  • August 27, 2026
  • 7 replies
  • 77 views

No PF0 or PF1 on NUCLEO-H533RE even though the schematic and documentation show PF0 on CN7 pin 29 and PF1 on CN7 pin 31.  Are pins 29 and 31 connected to anything or is this a documentation error?

Best answer by TDK

Just a mistake or oversight probably. That board is used for multiple different chips, some of which likely have PFx.

You can use Ctrl+F to search for “PF0” in the PDF rather than just browsing.

7 replies

TDK
August 27, 2026

As shown in both the user manual and the schematic, pins 29 and 31 of CN7 are connected to PF0 and PF1, respectively.

 

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BrucePBAuthor
Associate II
August 27, 2026

The NUCLEO-H533RE is populated withH533TM32H533 which does not have PF0 or PF1 pins.

BrucePBAuthor
Associate II
August 27, 2026

H533TM32H533 (64 pin)

which does not have PF0 or PF1 pins.

TDK
August 27, 2026

You’re right. The “PF0/PF1” nets are secretly just PH0/PH1 through a (default open) solder bridge.

 

"If you feel a post has answered your question, please click ""Accept as Solution""."
BrucePBAuthor
Associate II
August 28, 2026

I could have gone blind looking for those labels.  Why did they not call them PH0 and PH1?

TDK
TDKBest answer
August 28, 2026

Just a mistake or oversight probably. That board is used for multiple different chips, some of which likely have PFx.

You can use Ctrl+F to search for “PF0” in the PDF rather than just browsing.

"If you feel a post has answered your question, please click ""Accept as Solution""."