Nordic nRF52840 User Manual

3
Introduction
The nRF52840 USB Dongle Kit is a versatile and low-cost development platform enabled
by the nRF52840 multiprotocol SoC in a convenient USB dongle form factor.
The design features a programmable user button, RGB LED, up to 12 GPIOs and U.FL
connector for external antenna. It can be used as a low-cost Bluetooth® Low Energy 5.0,
Bluetooth Mesh, Thread, 802.15.4, ANT and user-proprietary 2.4GHz multiprotocol node
or development kit.
Alternatively the USB Dongle can be configured as OpenThread Device with a simple
connection to a PC or other USB enabled device.
Figure 1 nRF52840 USB Dongle

Nordic nRF52840 Specifications

General

Clock Speed	64 MHz
Flash Memory	1 MB
RAM	256 KB
USB	USB 2.0 Full Speed
Operating Voltage	1.7 V to 5.5 V
GPIO	48
IEEE 802.15.4	Yes
NFC	NFC-A Tag
Temperature Range	-40°C to +85°C
ADC Resolution	12-bit
Processor	ARM Cortex-M4
Bluetooth	Bluetooth 5.0
Package	QFN48, WLCSP