nRF52840 Preview DK v0.11.x

nRF only mode

The nRF only mode disconnects the interface MCU and LEDs from the SoC using analog switches.

This is done to isolate the chip on the board as much as possible, and can be of use when measuring currents on low-power applications.

Figure 1. nRF only switch (SW6)
nRF only switch (SW6)