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Arm Cortex-M85

Arm Cortex-M85

Arm Cortex-M85

Product catalog summary
Overview
The Arm Cortex-M85 processor is designed for IoT solutions requiring high compute performance and DSP or ML capabilities. It delivers over 6 CoreMark/MHz, maintaining features like determinism, short interrupt response time, and low-power management.
Key Features and Benefits
  • Ultimate Endpoint AI Performance: Utilizes Arm Helium technology for enhanced scalar, DSP, and ML performance.
  • Enhanced Embedded Security: Supports Arm TrustZone and the new PACBTI extension for improved security.
  • Faster Time-to-Market: The Corstone-310 reference package facilitates quick and secure integration into IoT SoCs.
  • Simplified Software Development: Supported by a comprehensive ecosystem of software, tools, and resources.
Specifications
  • Instruction Set Architecture: Armv8.1-M Mainline
  • TrustZone for Armv8-M: Yes
  • Helium (M-Profile Vector Extension): Optional
  • PACBTI Extension: Optional
  • Floating-Point Unit (FPU): HP, SP, DP (optional)
  • DSP Extension: Yes
  • Hardware Divide: Yes
  • Arm Custom Instructions: Available in 2022
  • Coprocessor Interface: Optional
  • DMIPS/MHz: 3.13
  • CoreMark/MHz: 6.28
  • Maximum External Interrupts: 480
  • Maximum MPU Regions: 16
  • Main Bus: AXI (64-bit)
  • Instruction Cache: 0-64kB
  • Data Cache: 0-64kB
  • Instruction TCM: 0-16MB
  • Data TCM: 0-16MB
  • Dual Core Lock-Step Configuration: Available in 2022
  • Common Criteria Certification: No
Related Products
  • Arm Corstone-310 Reference Package: Integrates Cortex-M85 and Ethos-U55 microNPU into a secure SoC with low risk and cost.
  • Arm Ethos-U55 microNPU: Designed for microcontroller-class devices, enhancing DSP and ML performance.
  • TrustZone for Armv8-M: Provides security by isolating critical information.
  • CoreLink DMA-350: Offloads memory tasks to improve performance and energy efficiency.
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Catalog excerpts

Arm Cortex-M85-1

Product Brief 1. Ultimate endpoint AI performance The Arm Cortex-M85 processor unlocks IoT solutions based on Cortex-M that require The highest performing processor the highest compute performance and DSP or ML capabilities. Delivering over based on Arm Helium technology 6 CoreMark/MHz, Cortex-M85 enables demanding use cases to be realized on a single, with unprecedented scalar, DSP, simple-to-program, Cortex-M processor. Cortex-M hallmarks such as determinism, short interrupt response time, and state-of-the-art low-power management support are uncompromised on Cortex-M85. 2. Enhanced embedded security In addition to Arm TrustZone technology, the new PACBTI (pointer authentication and branch target identification) extension is supported 3. Faster time-to-market The Corstone-310 reference package offers the fastest, most secure way to incorporate Cortex-M85 into an IoT SoC 4. Simplified software development Integrated into a single developer toolchain, supported by a broad ecosystem of software, tools, libraries, and resources

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Arm Cortex-M85-2

Specifications Instruction Set Architecture Helium (M-Profile Vector Extension) PACBTI Extension Digital Signal Processing (DSP) Extension Hardware Divide Coprocessor Interface Maximum # External Interrupts Instruction Cache Data Cache Dual Core Lock-Step (DCLS) Configuration Common Criteria Certification Reference Package/System Example *See product page for further information. SP = Single-Precision DP = Double-Precision HP = Half-Precision

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Arm Cortex-M85-3

Related Products Arm Corstone-310 reference package Corstone-310 is the ultimate starting point for integrating the Cortex-M85 processor and Ethos-U55 microNPU into a secure SoC with the lowest risk and development cost. Corstone-310 integrates processor IP and system IP with pre-built power and clock infrastructure and system-wide TrustZone security. It is well supported by open-source software including Trusted Firmware-M (TF-M), popular RTOSes and a variety of toolchains. Arm Ethos-U55 microNPU Ethos-U55 is the industry’s first microNPU designed for microcontroller-class devices. It is integrated...

 Open the catalog to page 3

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