This Product Specification contains functional descriptions, register tables, and electrical specifications, and is organized into chapters based on the modules and peripherals that are available in this IC.

Note: The HTML rendition of the Product Specification corresponds to the latest version only. All versions are available as PDF attachments.
Key features Applications
  • 2.4 GHz transceiver
    • -96 dBm sensitivity in Bluetooth® Low Energy mode
    • Supported data rates: 1 Mbps, 2 Mbps Bluetooth Low Energy mode
    • -20 to +4 dBm TX power, configurable in 4 dB steps
    • On-chip balun (single-ended RF)
    • 5.3 mA peak current in TX (0 dBm)
    • 5.4 mA peak current in RX
    • RSSI (1 dB resolution)
  • Arm® Cortex®-M4 32-bit processor with FPU, 64 MHz
    • 215 EEMBC CoreMark score running from flash memory
    • 58 μA/MHz running from flash memory
    • 51.6 μA/MHz running from RAM
    • Data watchpoint and trace (DWT), embedded trace macrocell (ETM), and instrumentation trace macrocell (ITM)
    • Serial wire debug (SWD)
    • Trace port
  • Flexible power management
    • 1.7 V–3.6 V supply voltage range
    • Fully automatic LDO and DC/DC regulator system
    • Fast wake-up using 64 MHz internal oscillator
    • 0.3 μA at 3 V in System OFF mode
    • 0.7 μA at 3 V in System OFF mode with full 64 kB RAM retention
    • 1.9 μA at 3 V in System ON mode, no RAM retention, wake on RTC
  • Memory
    • 512 kB flash/64 kB RAM
    • 256 kB flash/32 kB RAM
  • Nordic SoftDevice ready
  • Support for concurrent multi-protocol
  • Type 2 near field communication (NFC-A) tag with wakeup-on-field and touch-to-pair capabilities
  • 12-bit, 200 ksps ADC - 8 configurable channels with programmable gain
  • 64 level comparator
  • 15 level low power comparator with wakeup from System OFF mode
  • Temperature sensor
  • 32 general purpose I/O pins
  • 3x 4-channel pulse width modulator (PWM) unit with EasyDMA
  • Digital microphone interface (PDM)
  • 5x 32-bit timer with counter mode
  • Up to 3x SPI master/slave with EasyDMA
  • Up to 2x I2C compatible 2-wire master/slave
  • I2S with EasyDMA
  • UART (CTS/RTS) with EasyDMA
  • Programmable peripheral interconnect (PPI)
  • Quadrature decoder (QDEC)
  • AES HW encryption with EasyDMA
  • Autonomous peripheral operation without CPU intervention using PPI and EasyDMA
  • 3x real-time counter (RTC)
  • Single crystal operation
  • Package variants
    • QFN48 package, 6 × 6 mm
    • WLCSP package, 3.0 × 3.2 mm
  • Internet of Things (IoT)
    • Home automation
    • Sensor networks
    • Building automation
    • Industrial
    • Retail
  • Personal area networks
    • Health/fitness sensor and monitor devices
    • Medical devices
    • Key fobs and wrist watches
  • Interactive entertainment devices
    • Remote controls
    • Gaming controllers
  • Beacons
  • A4WP wireless chargers and devices
  • Remote control toys
  • Computer peripherals and I/O devices
    • Mouse
    • Keyboard
    • Multi-touch trackpad
    • Gaming