ATM33 Series Hero-Current View

The ATM3330e/ATM3330 are part of a family of extreme low-power Bluetooth® 5.3 system-on-chip (SoC) solutions.  This Bluetooth Low Energy SoC integrates a Bluetooth 5.3 compliant radio with ARM® Cortex® M33F application processor, 128 KB Random Access Memory (RAM), 64 KB Read-Only Memory (ROM), 512 KB nonvolatile memory (NVM), with ARM® TrustZone® enabled security features, and state-of-the-art power management to enable maximum lifetime in battery-operated devices.

Bluetooth LE

  • Bluetooth Low-Energy 5.3 compliant
  • 2 Mbps, 1 Mbps 500 kbps, and 125 kbps PHY rates
  • Supports Bluetooth Angle-of-Arrival (AoA) and Angle-of-Departure (AoD) direction finding

CPU and Memory

  • 64 MHz ARM® Cortex® M33F CPU with DSP
  • 64 KB ROM, 128 KB RAM, 512 KB NVM
  • Retention RAM configuration: 16 KB to 128KB in 16 KB step sizes
  • 16 MHz / Optional 32.768 kHz Crystal Oscillator
  • Sensor Hub

Energy Harvesting (ATM33e devices only)

  • On-chip RF Energy Harvesting
  • Supports photovoltaic, thermal, motion and other energy harvesting technologies
  • External Harvesting/Storage Interface


  • ARM® TrustZone®, HW Root of Trust, Secure Boot, Secure Execution & Debug
  • AES-128/256, SHA-2/HMAC 256 Encryption/Cryptographic Hardware Accelerators
  • True random number generator (TRNG)

Industrial and Enterprise
■           Industrial IoT Sensors
■           Remote  Monitors

■           Health monitors
■           Sports and Fitness

■           Advanced Home Automation
■           Advanced Remote Control
■           Human Interface Devices (HID)
■           Entertainment

■           Gaming
■           Advanced Wearables

ATM33 Series Feature Comparison

* Note: Extended Storage refers to integrated non-volatile data storage capabilities in addition to the base NVM storage.

Product Briefs:


June 19, 2024
June 19, 2024


Atmosic Energy Harvesting Advantage White Paper

ATM33 Series Kits

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