Arm Keil MDK v6 Essential and Professional editions are now available to buy as monthly or annual subscriptions from our Developer Tools store. Visit the store to get access to the tools suite today!

  1. Devices
  2. nRF51 Series
  3. nRF51822_xxAA

nRF51822_xxAA

Nordic Semiconductor

nRF51822_xxAA is a microcontroller from the NRF51 Series family of microcontrollers with 256kB of Flash and 16kB of RAM ideally fitted for the S110 Bluetooth Low Energy Peripheral protocol stack, S120 Bluetooth Low Energy Central protocol stack and proprietary 2.4GHz protocol stacks, including Gazell, all available free of charge in the nRF51 Software Development Kit.

Core

Processor

Cortex-M0
Maximum Clock Frequency 16 MHz
Memory Protection Unit NO_MPU
Floating Point Unit NO_FPU
Trust Zone NO_TZ
Digital Signal Processor NO_DSP
CortexM Vector Extensions
Endian Little-endian
Features View features

Processor

Cortex-M0, 16 MHz

  • Communication
    2.4 GHz RF transceiver for Bluetooth Low energy (BLE) and proprietary protocols 1 x 2.4 GHz RF transceiver for Bluetooth Low energy (BLE) and proprietary protocols
    SPI Master 2 x 4 Mbit/s SPI Master
    SPI Slave 1 x 2 Mbit/s SPI Slave
    I2C compatible Master Two-Wire Interface 2 x I2C compatible Master Two-Wire Interface
    Universal Asynchronous Receiver/Transmitter 1 x 1 Mbit/s Universal Asynchronous Receiver/Transmitter
    Quadrature Decoder 1 x Quadrature Decoder
  • Spec
    Operating Temperature Range -25 °C .. +75 °C Operating Temperature Range
  • Power
    Operating Voltage 1.8 V .. 3.6 V Operating Voltage
    Power Fail Comparator 1 x Power Fail Comparator
  • Package
    Quad Flat No-Lead 48-pad Quad Flat No-Lead
    Chip Scale Package 56-ball Chip Scale Package
    Chip Scale Package 62-ball Chip Scale Package
  • Memory
    Flash 262.14 kbyte Flash
    RAM 16.38 kbyte RAM
  • Core features
    True Random Number Generator 1 x True Random Number Generator
    AES Electronic Codebook Encryption Peripheral 128-bit AES Electronic Codebook Encryption Peripheral
    AES CCM Mode Encryption Peripheral AES CCM Mode Encryption Peripheral
    Accelerated Address Resolver Peripheral Accelerated Address Resolver Peripheral
  • Timer
    Watchdog Timer 1 x Watchdog Timer
    Timer/Counter 1 x 32-bit Timer/Counter
  • I/O
    Temperature Sensor 1 x Temperature Sensor
    Incremental ADC 8-channel x 10-bit Incremental ADC
    Low Power Comparator 1 x Low Power Comparator
    General Purpose IOs 32 General Purpose IOs
    Analog IOs 8 Analog IOs
  • Clock
    RTC with 3 Capture/Compare registers 32.77 kHz RTC with 3 Capture/Compare registers
    RTC with 4 Capture/Compare registers 32.77 kHz RTC with 4 Capture/Compare registers
    External Crystal Oscillator 16 MHz .. 32 MHz External Crystal Oscillator
    Internal RC Oscillator 16 MHz Internal RC Oscillator
    Internal RC oscillator and Synthesized oscillator 32.77 kHz Internal RC oscillator and Synthesized oscillator