About Lukasz_Klis

Lukasz_Klis · 2023-12-08

Hi all,For the last couple of weeks I've been trying to deal with receiving an ETH frame from PHY on my own PCB design with STM32H730VBT.To make sure the firmware is OK I took a Nucleo-H723ZI (CPU from the same family) and configured it to work with ...

Lukasz_Klis · 2023-12-13

I found it !!!I don't know how I didn't catch it before, but PC4 was swapped with PC5 (RXD0 <-> RXD1).The best part is that I thought the order was correct. Problem solved.Apologies for the confusion and best regards.

Lukasz_Klis · 2023-12-13

Sorry for the interruption (I got sick).To make sure the firmware doesn't affect this problem I connected the PG11 pins to PB11 (ETH_TX_EN) and PG13 to PB12 (ETH_TXD0) on the Nucleo board.I loaded exactly the same HEX file to my own PCB but the probl...

Lukasz_Klis · 2023-12-08

Clock source is the same like in Nucleo (HSI + PLL1).Firmware is the same. I described the differences in performance above.LK

Lukasz_Klis · 2023-12-08

Hi Janku, I did exactly as you wrote - There is one firmware and I switch the configuration of two GPIO lines using one of the pins - nothing more, nothing less. :)On Nucleo all is working perfect, on my device I see only TX frames (in Wireshark).PC ...

Lukasz_Klis · 2023-12-08

Hi LCE, Thanks for your reply.I am 100% sure of this GPIO configuration, because only pins PB11 (RMII_MII_TX_EN) and PB12 (RMII_MII_TXD0) are different but transmitting works OK.I checked all RMII lines with an oscilloscope and compared with Nucleo -...

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