The interface MCU on the nRF5340 DK runs SEGGER J-Link Onboard (OB) interface firmware. It is used to program and debug the application firmware of the nRF5340 System on Chip (SoC).
Figure 1. Interface MCU
The interface MCU on the nRF5340 DK runs SEGGER J-Link Onboard (OB) interface firmware. It is used to program and debug the application firmware of the nRF5340 System on Chip (SoC).