Two questions about IRQ output of nRF24L01+
1 what is timing of IRQ output
2 does IRQ output can tolerate pull-up resistor, connected to 5v ?
Two questions about IRQ output of nRF24L01+
1 what is timing of IRQ output
2 does IRQ output can tolerate pull-up resistor, connected to 5v ?
1 what is timing of IRQ output
This can be found in the product specification.
Chapter 7.7:

https://docs-be.nordicsemi.com/bundle/nRF24L01P_PS_v1.0/raw/resource/enus/nRF24L01P_PS_v1.0.pdf
2 does IRQ output can tolerate pull-up resistor, connected to 5v ?
No, this is not a open drain output. Max output level is VDD. Only the inputs are 5 V tolerant.
Thanks ketiljo
Thanks ketiljo