Only p0.00 to p0.03 event can trigger an interupt in nrf51822

RE: Only p0.00 to p0.03 event can trigger an interupt in nrf51822

dong — Wed, 07 May 2014 02:19:26 GMT

4 channels is corresponding 4 prot? 0 channels is port0? . . 3 channels is port3?

RE: Only p0.00 to p0.03 event can trigger an interupt in nrf51822

dong — Tue, 06 May 2014 15:21:11 GMT

Thanks for you answer! You mean all the GPIO PIN(From p0.00 to p0.30) can generated interrupt through 4 channels ???

Dong Thanks!

RE: Only p0.00 to p0.03 event can trigger an interupt in nrf51822

Håkon Alseth — Tue, 06 May 2014 14:45:47 GMT

Hi,

No, it means that you have 4 GPIOTE tasks and event channels that can be used. The input/output of this peripheral can be configured at runtime, and it can for instance be used to generate a PWM on any of the GPIOs available.

If you want to generate a wake-up-on-pin, you should use the PORT event of the GPIOTE. The PORT event is generated by setting Sense level (in NRF_GPIO->PIN_CNF[] register) on a GPIO and keeping this active. See the "pin_change_int_example" in the SDK if you're insterested in this

BR Håkon