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]]> The nRF52840 SoC is the most advanced member of the nRF52 Series. It meets the challenges of sophisticated applications that need protocol concurrency and a rich and varied set of peripherals and features.  It offers generous memory availability for both Flash and RAM, which are prerequisites for such demanding applications.

The nRF52840 is fully multiprotocol capable with full protocol concurrency. It has protocol support for Bluetooth LE, 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. It has NFC-A Tag for use in simplified pairing and payment solutions. The ARM TrustZone® CryptoCell cryptographic unit is included on-chip and brings an extensive range of cryptographic options that execute highly efficiently independent of the CPU. It has numerous digital peripherals and interfaces such as high speed SPI and QSPI for interfacing to external flash and displays, PDM and I2S for digital microphones and audio, and a full speed USB device for data transfer and power supply for battery recharging.

Exceptionally low energy consumption is achieved using a sophisticated on-chip adaptive power management system.

SoC nRF5340 nRF52840 nRF52833 nRF52832 nRF52820 nRF52811 nRF52810 nRF52805
Bluetooth  5.4 5.4 5.4 5.4 5.4 5.4 5.4 5.4
Thread  Yes Yes Yes Yes Yes
Matter  Yes Yes
Zigbee  Yes Yes Yes Yes
Bluetooth Mesh  Yes Yes Yes Yes Yes
Flash 1 MB + 256 KB 1 MB 512 KB 512/256 KB 256 KB 192 KB 192 KB 192 KB
RAM 512 KB + 64 KB 256 KB 128 KB 64/32 KB 32 KB 24 KB 24 KB 24 KB
CPU 128 MHz Arm Cortex-M33 + 64 MHz Arm Cortex-M33 64 MHz Arm Cortex-M4 with FPU 64 MHz Arm Cortex-M4 with FPU 64 MHz Arm Cortex-M4 with FPU 64 MHz Arm Cortex-M4 64 MHz Arm Cortex-M4 64 MHz Arm Cortex-M4 64 MHz Arm Cortex-M4
High-Speed SPI Yes Yes Yes
QSPI Yes Yes
USB Yes Yes Yes Yes
PWM, PDM, I2S Yes Yes Yes Yes PWM, PDM PWM, PDM
ADC, Comp Yes Yes Yes Yes COMP ADC, COMP ADC, COMP ADC
Temp Range -40 to 105 °C -40 to 85 °C -40 to 105 °C -40 to 85 °C -40 to 105 °C -40 to 85 °C -40 to 85 °C -40 to 85 °C
Supply voltage range 1.7 to 5.5 V 1.7 to 5.5 V 1.7 to 5.5 V 1.7 to 3.6 V 1.7 to 5.5 V 1.7 to 3.6 V 1.7 to 3.6 V 1.7 to 3.6 V
Packages aQFN94

WLCSP95

 aQFN73

WLCSP94

 aQFN73

QFN40

WLCSP76

 QFN48

WLCSP50

 QFN40 QFN48

QFN32

WLCSP33

 QFN48

QFN32

WLCSP33

 WLCSP28
GPIOs 48 48 18-42 32 18 15-32 15-32 10

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