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Arm Cortex-M52 Processor

Overview

The Arm Cortex-M52 processor is the most area and energy efficient implementation of the Armv8.1-M architecture with Arm Helium vector processing technology. This makes it the ideal processor for cost- and power-sensitive designs with demanding DSP and ML requirements.

Target use cases include energy-efficient MCUs for battery-operated consumer devices, wearables with ML, and smart industrial sensors.

Key Features

  • The Arm Cortex-M52 is the smallest implementation of the Arm Helium Technology. It enables enhanced DSP and ML processing with exceptionally low power consumption and area cost. The key characteristics of Cortex-M52 include:
    • Optional single-beat Helium, supporting up to
      • 1 x 32-bit MACs/cycle
      • 2 x 16-bit MACs/cycle
      • 4 x 8-bit MACs/cycle
    • 4-stage pipeline
    • Performance efficiency: 4.3 CoreMark/MHz and 1.6 DMIPS/MHz
    • Configurable main system bus: AMBA 5 AXI 32-bit or AMBA 5 AHB 32-bit
    • Optional support for Arm TrustZone technology
    • Optional PACBTI extension (Pointer Authentication Code, Branch Target Identification)
    • Optional implementation of Arm Custom Instructions

Benefits

  • Smallest Area, Energy-Efficient Processor for AIoT
    • Cortex-M52 is the smallest implementation of Armv8.1-M with Arm Helium technology providing significant performance uplift in DSP and ML applications compared to Arm Cortex-M33.
  • Simplify Software Development
    • Developers of Arm Cortex-M52 software benefit from the vast offerings of tools, software, and knowledgebase from the Arm Cortex-M ecosystem.
  • Faster Route to Security Certification
    • PACBTI offers enhanced software attack threat mitigation, easing the journey to achieve PSA Certified Level 2, which is becoming the baseline for IoT deployments.

Technical Specifications

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