QM33120WDK1 UG Rev. A, July 2022
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QM33120WDK1
USER GUIDE
®
2 Nordic nRF52840 DK configuration
Figure 2 : nRF52840 DK configuration
J-LINK OB (On-Board Debug Probe) is an integrated programming and debugging tool and should be connected to the Host used to
program or debug the nRF52840 firmware with Segger J-Link and Segger Embedded Studio software.
Figure 3 : J-Link OB
For normal operation, the Host should be connected to nRF52840 SOC through the nRF52840 USB connector.