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Arm Corstone-320

Hardware

by Arm Holdings

Reference package and example subsystem integrating the Cortex-M85 CPU, DMA-350, Mali-C55 ISP and the third-generation Ethos-U85 NPU with transformer-network support, for AI SoC development.

Find alternatives to Arm Corstone-320

What it does

• IP licensing
• Model inference

Sources

Pricing

Official documentation · 18 Oct 2026

Product inquiry page: "Information and pricing requests only."; Arm's Licensing menu names Flexible Access and Total Access but no list price.

Description

Official documentation · 18 Oct 2026

"Arm Corstone-320 includes software and an example subsystem integrating the Arm Cortex-M85 CPU, Arm DMA-350, Arm Mali-C55 ISP and the Arm Ethos-U85 NPU with support for transformer networks."

What it does

Official documentation · 18 Oct 2026

"The Ethos-U85 is a third-generation NPU in the Ethos-U product line with support for traditional CNNs and transformer networks to future proof devices as the AI market evolves."

Sold within

Not found · 18 Oct 2026

Page read with curl 2026-10-18: the Corstone page states no licence tier or entitlement for this subsystem.

Name

Official documentation · 18 Oct 2026

Page title "Corstone-320: Simplified AI SoC development – Arm®"; listed under Silicon IP > Subsystems.

URL

Official documentation · 18 Oct 2026

The live product page that this record links to (Arm Corstone-320).

Deployment

Official documentation · 18 Oct 2026

The subsystem is silicon IP that runs on the licensee's own chip, with ML inference performed on the device.

Intended for

Official documentation · 18 Oct 2026

"Corstone reduces complexity for ASIC designers and software developers to speed up the design and deployment of secure, AI-capable devices."

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