https://devzone.nordicsemi.com/f/nordic-q-a/22298/send-and-receive-interrupt-lines-from-nble51822-to-any-mcuI have not gone into much details of 51822. while interfacing BLE to any MCU, Is it possible to add interrupt lines from BLE module to MCU to receive interrupts in MCU. Like, if we added one RX INTR line from BLE to MCU and BLE module receives some dataen-USTelligent Community 13Wed, 24 May 2017 11:50:54 GMThttps://devzone.nordicsemi.com/thread/87669?ContentTypeID=1Wed, 24 May 2017 11:50:54 GMT137ad170-7792-4731-bb38-c0d22fbe4515:81c6d7ee-afac-4305-a9a6-afe0ed46d879endnode<p>Sure you can use GPIO lines as signalling to any external MCU of events according to your specification, should be pretty straight forward FW development task.</p><div style="clear:both;"></div>