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Nordic Semiconductor nRF52840_xxAA

ARM Cortex-M4, 64 MHz, 1 MB ROM, 256 kB RAM

nRF52840_xxAA is an engineering sample microcontroller from the NRF52 Series family of microcontrollers with 1024kB of Flash and 256kB of RAM ideally fitted for the S110 Bluetooth Low Energy Peripheral protocol stack, S120 Bluetooth Low Energy Central protocol stack, S130 Bluetooth Low Energy Multi-role protocol stack and proprietary 2.4GHz protocol stacks, including Gazell, all available free of charge in the nRF52 Software Development Kit.

Core ARM Cortex-M4, 64 MHz
  • Processor:ARM Cortex-M4, 64 MHz
  • Cryptographic Engine:128 -bit AES Electronic Codebook Encryption Peripheral
  • RNG:True Random Number Generator
Memory 16 -bit Quad SPI for external flash memory device with Execute In Place capability., 256 kB RAM, 1 MB ROM
  • External Bus Interface:16 -bit Quad SPI for external flash memory device with Execute In Place capability.
  • ROM:1 MB
  • RAM:256 kB
  • Additional Memory:1048576 byte Flash
  • Additional Memory:262144 byte RAM
Clock & Power 1.7 V .. 5.5 V, 64 MHz
  • External Oscillator:32 MHz 0 uW/MHz External Crystal Oscillator
  • Internal RC:64 MHz Internal RC Oscillator
  • Supply Voltage:1.7 V .. 5.5 V Operating Voltage
  • Maximum Clock Frequency:64 MHz
  • RTC:32 kHz RTC with 3 Capture/Compare registers
Communication SPI, UART, I2S, Other, USB, Device
  • SPI:3 x SPI
  • UART:2 x Universal Asynchronous Receiver/Transmitter
  • I2S:1 x Pulse Density Modulation Interface
  • USB, Device:1 x Full-Speed USB Device
  • Other:1 x Quadrature Decoder
  • Other:1 x Pulse Density Modulation Interface
  • Other:1 x 2.4 GHz RF transceiver for Bluetooth Low energy (BLE), ANT and proprietary protocols
  • Other:2 x I2C compatible Two-Wire Interface
  • Other:1 x Near Field Communication Tag
Timer/Counter/PWM 5 x 32-bit Timer, 16 x 14-bit Pulse Width Modulation
  • Watchdog:1 x Watchdog Timer
  • Timer/Counter:5 x 32-bit Timer/Counter
  • PWM:16 x 14-bit Pulse Width Modulation
Analog 8-channel 10 bit ADC, 1 x Analog Comparator, 1 x Low Power Comparator
  • ADC:8-channel x 10 bit ADC
  • Temperature Sensor:1 x Temperature Sensor
  • Other:1 x Analog Comparator
  • Other:1 x Low Power Comparator
I/O & Package -40 °C .. 85 °C, 73-QFN
  • Operating Temperature Range:-40 °C .. 85 °C Operating Temperature Range
  • I/Os:8 Analog IOs
  • I/Os:48 General Purpose IOs
  • Package, QFN:73-pad QFN
Development Tools
CMSIS Drivers No CMSIS-Driver in Device Family Pack.
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