Is it possible to use LQFP packaged STM32H75x with ethernet?

LMI2 · ‎2021-05-01

I am starting to design a simple testboard using STMH75x in LQFP package with ethernet. I don't want to design a BGA board.

Is that possible. I tried same pins into with CubeMx as in Discovery board, but CubeMx did not fully accept those pins for ethernet.

Peter BENSCH · ‎2021-05-05

Of course this is possible, just open CubeMX and enable ETH > MII or RMII, whatever you need for your PHY.

It might be a wise idea to start your design with peripherals, where multiplexing the pins is not that ease or impossible - like e.g. Ethernet.

Good luck!

/Peter

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LMI2 · ‎2021-05-05

There is a problem with LQFP144, CubeMX, Ethernet and CubeMX. If I use same pins as in discovery board, some Ethernet pins in CubeMX can't be edited.

Do I understand you correctly that I should add Ethernet first into CubeMX. That is probably a good way.

If you mean that it is wiser or best to start using SMT32H75x with something easier. I agree, I have working boards with SPI and UART. Only diffence is poackage size.