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.
Features:
  • 1.7 V to 5.5 V supply voltage range
  • Package variants
    • aQFN94™ package, 7x7 mm
    • WLCSP95 package, 4.4x4.0 mm
  • Single 32 MHz crystal operation
  • 1.8 V to 3.3 V regulated supply for external components
  • Operating temperature from -40°C to 105°C
  • 48 general purpose I/O pins

Application core

  • Arm® Cortex®-M33 with TrustZone® technology
    • 128 MHz or 64 MHz operation
    • 514 EEMBC CoreMark score running from flash, 4.0 CoreMark per MHz
    • Single-precision floating-point unit (FPU)
    • Digital signal processing (DSP) instructions
    • Data watchpoint and trace (DWT), embedded trace macrocell (ETM), instrumentation trace macrocell (ITM), and cross trigger interface (CTI)
    • Serial wire debug (SWD)
    • Trace port interface unit (TPIU)
      • 4-bit parallel trace of ITM and ETM trace data
      • Serial wire output (SWO) trace of ITM data
  • 1 MB flash and 512 kB low leakage RAM
  • Arm TrustZone CryptoCell™-312 security subsystem
    • NIST 800-90B, AIS-31, and FIPS 140-2 compliant random number generator
    • AES-128 and 256: ECB, CBC, CMAC/CBC-MAC, CTR, CCM/CCM*, GCM
    • SHA-1, SHA-2 up to 256 bits
    • Keyed-hash message authentication code (HMAC)
    • RSA public key cryptography with max key size 3072 bits
    • ECC support for most used curves
    • Application key management using derived key model
  • Two-way set associative cache towards flash and QSPI XIP code regions
  • QSPI peripheral for communicating with an external flash memory device
    • Execute in place with optional on-the-fly encryption and decryption
  • Near field communication (NFC-A) tag with wake-on field and touch-to-pair
  • Up to 5x SPI master/slave with EasyDMA
  • Up to 4x I2C compatible two-wire master/slave with EasyDMA
  • Up to 4x UART (CTS/RTS) with EasyDMA
  • Audio peripherals - I2S compatible, digital microphone interface (PDM)
  • Four pulse width modulator (PWM) units with EasyDMA
  • 12-bit, 200 ksps ADC with EasyDMA - eight configurable channels with programmable gain
  • Three 32-bit timers with counter mode
  • Two 24-bit real-time counters (RTC)
  • Two Quadrature decoders (QDEC)
  • Distributed programmable peripheral interconnect (DPPI)
  • Inter-processor communication (IPC)
  • Mutually exclusive peripheral (MUTEX)
  • USB 2.0 full speed (12 Mbps) controller

Network core

  • Arm Cortex-M33
    • 64 MHz operation
    • 244 EEMBC CoreMark score running from flash memory, 101 CoreMark per mA
    • Cross trigger interface (CTI)
    • Serial wire debug (SWD)
    • SWO trace port
  • 256 kB flash and 64 kB low leakage RAM
  • Bluetooth® 5.2, IEEE 802.15.4-2006, 2.4 GHz enabled transceiver
    • -98 dBm sensitivity in 1 Mbps Bluetooth Low Energy mode
    • -104 dBm sensitivity in 125 kbps Bluetooth Low Energy mode (long range)
    • -101 dBm sensitivity in IEEE 802.15.4
    • -40 dBm to +3 dBm configurable TX power
    • On-air compatible with nRF52, nRF51, nRF24L, and nRF24AP series devices
    • Supported data rates:
      • Bluetooth 5.2 - 2 Mbps, 1 Mbps, 500 kbps, and 125 kbps
      • IEEE 802.15.4-2006 - 250 kbps
      • Proprietary 2.4 GHz - 2 Mbps, 1 Mbps
    • Angle of Arrival (AoA) and Angle of Departure (AoD) direction finding using Bluetooth Low Energy
    • Single-ended antenna output (on-chip balun)
    • 128-bit AES/ECB/CCM/AAR co-processor (on-the-fly packet encryption)
    • 3.2 mA run current in TX (0 dBm)
    • 2.6 mA run current in RX
    • RSSI (1 dB resolution)
  • SPI master/slave with EasyDMA
  • I2C compatible two-wire master/slave with EasyDMA
  • UART (CTS/RTS) with EasyDMA
  • Three 32-bit timers with counter mode
  • Two real-time counters (RTC)
  • Temperature sensor
  • Distributed programmable peripheral interconnect (DPPI)
  • Inter-processor communication (IPC)
  • Mutually exclusive peripheral (MUTEX)
Applications:
  • Advanced computer peripherals and I/O devices
    • Multi-touch trackpad
  • Advanced wearables
    • Health/fitness sensor and monitor devices
    • Wireless payment enabled devices
  • Wireless audio devices
    • Bluetooth Low Energy Audio
    • True wireless earbuds
    • Headphones, microphones, and speakers
  • Internet of things (IoT)
    • Smart home sensors and controllers
    • Industrial IoT sensors and controllers
  • Interactive entertainment devices
    • Remote controls
    • Gaming controllers
  • Professional lighting
    • Wireless connected luminaire