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Nordic Semiconductor nRF54LM20B Ultra-Low-Power Wireless SoC

Nordic Semiconductor nRF54LM20B Ultra-Low-Power Wireless SoC combines an efficient MCU with ultra-low-power wireless connectivity and offers 2MB NVM and 512KB RAM. This SoC features an extended set of peripherals, high-speed USB, and up to 66 GPIOs. Additional features include an integrated Axon NPU, which increases the speed and efficiency of on-device AI inference by up to 15 times compared to using the CPU for the same task. The Nordic nRF54LM20 B SoC supports Matter, Thread, BLUETOOTH® Low Energy, Zigbee®, and 2.4GHz proprietary protocols, providing data rates of up to 4Mbps for low-latency applications.

Features

  • Increased speed and efficiency of AI inference tasks 
  • Reduced design complexity, size, and cost
  • Reliable and robust wireless connectivity
  • Extended battery life enabled by lower power consumption
  • Built-in security features supporting compliance with regulations
  • Broad range of MCU feature sets across the series

Specifications

  • Up to 66 GPIOs
  • 128MHz integrated Axon NPU
  • 1x high-speed SPI/UART
  • 6x SPI/TWI/UART
  • 193 CoreMark®/mA at 3V, 503 CoreMark
  • Enhanced edge AI capabilities due to integrated Axon NP
  • 3.4mA radio power consumption for RX and 4.8mA for TX at 0dBm (at 3V)
  • 0.7μA to 4.0μA sleep modes power consumption
  • +8dBm (CSP)/+7dBm (QFN) maximum TX power
  • Optimized for lowest total average current
Published: 2026-01-07 | Updated: 2026-01-14