State of SWD Port when not debugging

[cory123]

When not using the SWD port I would like to pull up the SWDIO and SWDCLK lines high. Does the NRF52810 have internal pull up on these two pins? If not, what value pull-ups would you recommend given the frequency of the SWD debugging?

[Turbo J]

SWDIO has internal pullup, SWDCLK has internal pulldown. Unless you environment is has very high EM noise, I'd use a 10k pullup / pulldown just for good measure.

[cory123]

I have a follow question here. When I am using the SWD debug pins, do I need pullup and pulldown resistors external to the NRF52810? Are the internal pullup/pulldown resistors enabled during the actual debugging. I'm using the J-Link mini debugger. My board brings the SWDIO and SWCLK pins directly to a header without any pullup or pulldown resistors.