nrf52840 A power-off restart occurs during usb hot swap

[copen]

nrf52840 with the official usb hid_generic routine transplant, the computer's 2.0 port hot swap probability is very small power-off restart, other ports are not tested out, read the hardware restart register code is not recorded, the program stack information is not recorded, have encountered this kind of problem

[Kenneth]

Hello,

You are not writing which example you are using and which version of nRF Connect SDK you are using.

But in general if you are using an nRF52840-DK, and power the DK using the IMCU USB connector, then I believe you should be able to plug in and out the nRF USB connector without reset.

Kenneth