On Mon, Aug 22, 2022 at 9:14 AM raiden00pl <raiden0...@gmail.com> wrote:
> Do you use the default TIM3 outputs configuration from > nucleo-144/include/board.h ? It uses PA7 as the TIM3 channel 2 output which > is also used for RMII_CRS_DV. > > From the nucleo 144 user manual: > > > 2. PA7 is used as D11 and connected to CN7 pin14 by default, if JP6 is > ON, > > it is also connected to both > > Ethernet PHY as RMII_DV and CN9 pin15. In this case only one function of > > Ethernet or D11 could be used. I wonder if a compile-time check for this conflict could be added somewhere to prevent this kind of impossible pinout assignment from being done again in the future? Cheers Nathan