【nRF52840】Reset design if need external RC circut?

[FrankBi]

Reset design if need external RC circut?thanks.

[Jared]

Hi,

Are you asking if you need a RC filter on the reset pin?

regards

Jared 

[FrankBi]

dears，

Yes，I also want to know if need typical RC reset circuit. or as datasheet is ok?

thanks. 

[Jared]

Hi,

Following the reference design is enough. 

No external component that is not included in the reference design is needed on the nRF52840 for the reset pin to function. The reset pin has an internal pullup resistor that is enabled automatically if the pin is assigned as a reset pin. 

regards

Jared