what's timing requirement of GPIOE detect rising/fall edge?

[wen jin zhang]

we now using GPIO as input. when it rise then start timer. but it seem failed. No GPIOE IN event happened.

what's timing need for rising/fall edge detecting? < XX (us)? How sharp it need be?

[wen jin zhang]

Thank for your help! solved the problem by set the GPIO_PIN_CNF_SENSE_Disabled in NRF_GPIO->PIN_CNF[].