Use pin as both SPI MISO and GPIO/EXTI input

[Brussl]

I use external ADC (slave) with pins with dual function. And when SPI don't work , on MISO pin can check and "end of conversion". This is when SPI pin NSS is high.

So: can I activate pin first like SPI "alternative pin" (pin is input - MISO)  and like GPIO input using pooling or like "EXTI line".

 

Best Regards

[AScha.3]

From rm H743 , pin :

 

So just read port input register, should show whats on pin; try.