https://devzone.nordicsemi.com/f/nordic-q-a/105657/nrf52840-vs-nrf5340---differenceHello, This is QM33120WDK1 user. (nRF52840 dk + antenna board) I am using IEEE 802.15.4 for UWB positioning protocol When I opened it, I could check there are nRF52840 chip and nRF5340 chipset on the nRF52840 dk board. What is their role ofen-USTelligent Community 13Tue, 14 Nov 2023 03:26:19 GMThttps://devzone.nordicsemi.com/thread/455443?ContentTypeID=1Tue, 14 Nov 2023 03:26:19 GMT137ad170-7792-4731-bb38-c0d22fbe4515:166a78ac-60a8-4388-892b-7dc943008e33Eugene Yu<p>Hi Hank1,</p> <p>The nRF5340 of nRF52840-DK is an interface MCU that provides firmware program, debug and VCOM interfacing features.<br /><a href="https://infocenter.nordicsemi.com/topic/ug_nrf52840_dk/UG/dk/if_mcu.html?cp=5_0_4_6">Here </a>are the details of DK hardware.</p> <p>Thanks,<br />Eugene</p> <div id="__endic_crx__"> <div class="css-diqpy0"></div> </div><div style="clear:both;"></div>