Arm Corstone-300
Reference package for building IoT and embedded SoCs around the Cortex-M55 processor, Arm's most AI-capable Cortex-M, with the Ethos-U55 microNPU as an integrable option for on-device machine learning.
Find alternatives to Arm Corstone-300
What it does
- IP licensing
- Model inference
Sources
- Pricing
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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
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Official documentation · 18 Oct 2026
"Architected to maximize the performance of IoT and embedded devices, the Corstone-300 is a reference package based on the Arm Cortex-M55 processor and developed to help SoC designers build secure systems faster."
- What it does
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Official documentation · 18 Oct 2026
"The fastest way to incorporate Arm’s most AI-capable Cortex-M processor, the Arm Cortex-M55, into an SoC design."
- Sold within
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Page read with curl 2026-10-18: the Corstone page states no licence tier or entitlement for this subsystem.
- Name
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Official documentation · 18 Oct 2026
Page title "Corstone-300: IoT solutions with Ethos-U55 NPU – Arm®"; listed under Silicon IP > Subsystems.
- URL
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Official documentation · 18 Oct 2026
The live product page that this record links to (Arm Corstone-300).
- Deployment
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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
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Official documentation · 18 Oct 2026
"developed to help SoC designers build secure systems faster"
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