nRF5340, Nordic Semiconductor’s new dual-core flagship SoC

Written by Mike Benson

November 18, 2019

Nordic Semiconductor has launched the nRF5340, the world’s first wireless System-on-Chip (SoC) with two Arm® Cortex®-M33 processors. The new flagship SoC combines a superset of the most prominent nRF52® Series features, with more performance, memory and integration, while minimizing current consumption. It is the perfect choice for professional lighting, advanced wearables, and other complex IoT applications. 

The application processor is optimized for performance and can be clocked at either 128 or 64 MHz. An optimized performance/power consumption ratio is achieved using voltage-frequency scaling. The application processor has 1 MB Flash, 512 KB RAM, a floating-point unit (FPU), an 8 KB 2-way set associative cache and DSP instruction capabilities. The network processor is clocked at 64 MHz and is optimized for low power and efficiency (101 CoreMark/mA). It has 256 KB of Flash and 64 KB of RAM.

The advanced nRF5340 radio supports Bluetooth® Low Energy, and is capable of all AoA and AoD roles in Bluetooth 5.1 Direction Finding, in addition to all Bluetooth 5 features, including Long Range. Mesh protocols like Bluetooth mesh, Thread and Zigbee are also supported.

The nRF5340 is a truly secure SoC. Trusted execution is implemented with Arm TrustZone®, while root-of-trust is implemented with the state-of-the-art Arm CryptoCell-312.

The nRF Connect SDK is the software development kit for the nRF5340 SoC, offering a complete solution that integrates the Zephyr RTOS, protocol stacks, application samples and hardware drivers.

The nRF5340 SoC release is accompanied by the nRF5340 PDK, a preview development kit containing everything needed for development on a single board.

FEATURES

  • High-performance application processor
    • 128/64 MHz Arm Cortex-M33 with FPU & DSP instructions
    • 1 MB Flash + 512 KB RAM
    • 8 KB 2-way set associative cache
  • Fully-programmable, ultra-low-power network processor
    • 64 MHz Arm Cortex-M33 with 2 KB instruction cache
    • 256 KB Flash + 64 KB RAM
  • A truly secure SoC
    • Trusted execution with Arm TrustZone
    • Root-of-trust with Arm CryptoCell-312
  • Ultra-low-power 2.4 GHz multiprotocol radio
    • Bluetooth 5.1 Direction Finding capable
    • Bluetooth 5 Long Range
    • Bluetooth mesh, Thread and Zigbee
    • 3.2 mA in TX (0 dBm) and 2.6 mA in RX
    • -97.5 dBm RX sensitivity
  • NFC
  • Full range of digital interfaces with EasyDMA
    • Full-speed USB
    • 96 MHz encrypted QSPI for external memory
    • 32 MHz high-speed SPI for displays and fast sensors
  • 105 °C down to -40 °C extended operating temperature
  • 1.7-5.5 V supply voltage range

            nRF5340 PDK

            • Versatile preview development kit for nRF5340 SoC
            • Arduino Uno Rev3 compatible
            • 2.4 GHz and NFC antennas
            • SWF RF connector for direct RF measurements
            • User-programmable LEDs(4) and buttons(4)
            • SEGGER J-Link OB programmer/debugger
            • Pins for measuring power consumption
            • 1.7-5.0 V supply from USB, external, Li-Po battery or CR2032 coin cell battery

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