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  1. Devices
  2. nRF52 Series
  3. nRF52820_xxAA

nRF52820_xxAA

Nordic Semiconductor

nRF52820 is a microcontroller from the NRF52 Series family of microcontrollers 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, IEEE 802.15.4 protocol stacks and proprietary 2.4GHz protocol stacks, including Gazell, all available free of charge in the nRF52 Software Development Kit.

Core

Processor

Cortex-M4
Maximum Clock Frequency 64 MHz
Memory Protection Unit MPU
Floating Point Unit NO_FPU
Trust Zone NO_TZ
Digital Signal Processor DSP
CortexM Vector Extensions
Endian Little-endian
Features View features

Processor

Cortex-M4, 64 MHz

  • Communication
    2.4 GHz RF transceiver for Bluetooth Low energy (BLE), ANT, IEEE 802.15.4 and proprietary protocols 1 x 2.4 GHz RF transceiver for Bluetooth Low energy (BLE), ANT, IEEE 802.15.4 and proprietary protocols
    Universal Asynchronous Receiver/Transmitter 2 x 1 Mbit/s Universal Asynchronous Receiver/Transmitter
    Full-Speed USB Device 1 x Full-Speed USB Device
    Serial Peripheral Interface 2 x 4 Mbit/s Serial Peripheral Interface
    I2C compatible Two-Wire Interface 2 x I2C compatible Two-Wire Interface
    Quadrature Decoder 1 x Quadrature Decoder
    Pulse Density Modulation Interface 1 x Pulse Density Modulation Interface
  • Timer
    Timer/Counter 4 x 32-bit Timer/Counter
    Watchdog Timer 1 x Watchdog Timer
  • Clock
    RTC with 4 Capture/Compare registers 32.77 kHz RTC with 4 Capture/Compare registers
    RTC with 3 Capture/Compare registers 32.77 kHz RTC with 3 Capture/Compare registers
    External Crystal Oscillator 32 MHz External Crystal Oscillator
    Internal RC Oscillator 64 MHz Internal RC Oscillator
    Internal RC oscillator and Synthesized oscillator 32.77 kHz Internal RC oscillator and Synthesized oscillator
  • I/O
    Low Power Comparator 1 x Low Power Comparator
    General Purpose IOs 19 General Purpose IOs
    Temperature Sensor 1 x Temperature Sensor
    Succesive Approximation ADC 8-channel x 10-bit Succesive Approximation ADC
    Analog Comparator 1 x Analog Comparator
    Analog IOs 8 Analog IOs
  • Power
    Operating Voltage 1.7 V .. 5.5 V Operating Voltage
    Power Fail Comparator 1 x Power Fail Comparator
  • Package
    Quad Flat No-Lead 40-pad Quad Flat No-Lead
  • Memory
    Flash 262.14 kbyte Flash
    RAM 32.77 kbyte RAM
    CodeRAM 32.77 kbyte CodeRAM
  • 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
  • Spec
    Operating Temperature Range -40 °C .. +85 °C Operating Temperature Range