Resolved! STM32 MUCs: possible to route back an output signal as input - internally?
Using the STM32U5xx MCU - I see that PA4 on STM32U5A5 can be OCTOSPI1_NSS signal as well as SPI1_NSS signal.Now, I want to use SPI1 in parallel with OCTOSPI1 (as QuadSPI). The SPI1 should be a SPI Slave Rx where OCTOSPI1 is my master QSPI Tx.I want t...