nRF52840 DK

Support for the nRF52840 DK. More...

Detailed Description

Support for the nRF52840 DK.

General information

The nRF52840 DK is a devboard based on the nRF52840 SoC which supports multiple wireless protocols including Bluetooth Low Energy, Thread and Zigbee.

Hardware

MCU	nRF52840
Family	ARM Cortex-M4
Vendor	Nordic Semiconductor
RAM	256 KiB
Flash	1 MiB
Frequency	64 MHz
FPU	yes
Timers	5 (32-bit)
RTC	3
ADCs	1x 12-bit (8 channels)
UARTs	2
SPIs	4 masters/3 slaves
I2Cs	2
I2S	1
PWM	4*4 Channels
Radio	2.4GHz BLE compatible, -20 dBm to +8 dBm output, -95 dBm RX sensitivity
Vcc	1.7V - 5.5V
MCU Manual	Manual
Board Documentation	Documentation

Flash the board

See the Flashing section in nRF52 common.

Accessing STDIO via UART

The STDIO is directly accessible via the USB port. On a Linux host, it's generally mapped to /dev/ttyACM0.

Use the term target to connect to the board serial port

make BOARD=nrf52840dk -C examples/basic/hello-world term

Files
file	arduino_iomap.h
	Mapping from MCU pins to Arduino pins.
file	board.h
	Board specific configuration for the nRF52840 DK.
file	periph_conf.h
	Peripheral configuration for the nRF52840 DK.