1identifier: nrf21540dk/nrf52840 2name: nRF21540-DK-NRF52840 3type: mcu 4arch: arm 5ram: 256 6flash: 1024 7toolchain: 8 - zephyr 9 - gnuarmemb 10 - xtools 11supported: 12 - adc 13 - arduino_gpio 14 - arduino_i2c 15 - ble 16 - counter 17 - gpio 18 - i2c 19 - pwm 20 - spi 21 - usb_device 22 - watchdog 23 - netif:openthread 24vendor: nordic 25