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Associate II
Aug 27, 2026 8:18 PM UTC
Solved

No PF0 or PF1 on NUCLEO-H533RE!!!

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?

TDK
TDKBest answer
Aug 28, 2026 3:28 AM UTC

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.

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7 replies

TDK
Aug 27, 2026 8:44 PM UTC

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
Aug 27, 2026 8:56 PM UTC

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

BrucePBAuthor
Associate II
Aug 27, 2026 9:11 PM UTC

H533TM32H533 (64 pin)

which does not have PF0 or PF1 pins.

TDK
Aug 27, 2026 10:13 PM UTC

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

 

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BrucePBAuthor
Associate II
Aug 28, 2026 2:03 AM UTC

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

TDK
TDKBest answer
Aug 28, 2026 3:28 AM UTC

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""."