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nRF52840 Build and Flash ToolChain Setup
Step by Step Setup of ARM KEIL MDK v5 for nRF52840. Build and Flashing Using CMSIS-DAPLink. nRF5 Official SDK Setup.
Nordic Semiconductor
The nRF52840 SoC is the most advanced member of the nRF52 Series SoC family. The nRF52840 is fully multiprotocol capable with full protocol concurrency. It has protocol support for Bluetooth 5, Bluetooth mesh, Thread, Zigbee, 802.15.4, ANT and 2.4 GHz proprietary stacks. The nRF52840 is built around the 32-bit ARM® Cortex™-M4 CPU with floating point unit running at 64 MHz.