nRF52832 P0.21/RESET pin

[Vala]

Hi,

How is the functionality of P0.21 in nRF52832? It is configured as RESET after turning on the device, right? Is there any way to change it in a way that that the chip starts working even when this pin is low?

-Vala

[RK]

Yes it's in the manual. Set PSELRESET registers and reset the chip. They are retained and will disable reset.

[RK]

So if you read back the values are they still FFFFFFFF? If not then something must be rewriting them

you probably have CONFIG_GPIO_AS_PINRESET defined.