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Nordic Semiconductor nRF51822_xxAC

ARM Cortex-M0, 16 MHz, 256 kB ROM, 32 kB RAM

nRF51822_xxAC is a microcontroller from the NRF51 Series family of microcontrollers with 256kB of Flash and 32kB 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 nRF51 Software Development Kit.

Core ARM Cortex-M0, 16 MHz
  • Processor:ARM Cortex-M0, 16 MHz
  • Cryptographic Engine:128 -bit AES Electronic Codebook Encryption Peripheral
  • RNG:True Random Number Generator
Memory 32 kB RAM, 256 kB ROM
  • ROM:256 kB
  • RAM:32 kB
  • Additional Memory:262144 byte Flash
  • Additional Memory:32768 byte RAM
Clock & Power 1.8 V .. 3.6 V, 16 MHz
  • External Oscillator:16 MHz 32 MHz External Crystal Oscillator
  • Internal RC:16 MHz Internal RC Oscillator
  • Supply Voltage:1.8 V .. 3.6 V Operating Voltage
  • Maximum Clock Frequency:16 MHz
  • RTC:32 kHz RTC with 3 Capture/Compare registers
Communication SPI, UART, Other
  • SPI:2 x SPI Master
  • SPI:1 x SPI Slave
  • UART:1 x Universal Asynchronous Receiver/Transmitter
  • Other:2 x I2C compatible Master Two-Wire Interface
  • Other:1 x Quadrature Decoder
  • Other:1 x 2.4 GHz RF transceiver for Bluetooth Low energy (BLE) and propietary protocols
Timer/Counter/PWM 1 x 32-bit Timer, 2 x 16-bit Timer
  • Watchdog:1 x Watchdog Timer
  • Timer/Counter:1 x 32-bit Timer/Counter
  • Timer/Counter:2 x 16-bit Timer/Counter
Analog 8-channel 10 bit ADC, 1 x Low Power Comparator
  • ADC:8-channel x 10 bit ADC
  • Temperature Sensor:1 x Temperature Sensor
  • Other:1 x Low Power Comparator
I/O & Package -25 °C .. 75 °C, 48-QFN
  • Operating Temperature Range:-25 °C .. 75 °C Operating Temperature Range
  • I/Os:32 General Purpose IOs
  • I/Os:8 Analog IOs
  • Package, QFN:48-pad QFN
  • Package, CSP:56-ball
  • Package, CSP:62-ball
Development Tools
CMSIS Drivers No CMSIS-Driver in Device Family Pack.
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