General-Purpose, Deterministic 32-Bit Performance
The Cortex-M processor series is designed to enable developers to create cost-sensitive and power-constrained solutions for a broad range of devices. The optimal balance between area, performance, and power makes Cortex-M3 ideal for products such as microcontrollers, automotive body systems, and wireless networking and sensors.
Features and Benefits
Reduce time to market and achieve first-time success by using one of the most trusted processors. It is deployed in billions of devices across a broad set of embedded applications and backed by the richest ecosystem of software, tools, and knowledge.
Achieve more with Cortex-M3, which features exceptional 32-bit performance with low dynamic power. It also delivers leading system energy efficiency, thanks to integrated software-controlled sleep modes, extensive clock gating, and optional state retention.
Cortex-M3 Specifications
The Cortex-M3 processor is specifically developed for high-performance, low-cost platforms for a broad range of devices including microcontrollers, automotive body systems, industrial control systems and wireless networking and sensors.
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Key Documentation
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Compare the specifications of Cortex-M processors:
A Foundation of Silicon Success ?
快猫视频-based chips, device architectures, and technologies orchestrate the performance of everything that makes modern life possible — from smartphones to agricultural sensors and from medical instruments to servers.
快猫视频v7-M Architecture
The 快猫视频v7-M architecture provides opportunities for simple pipeline designs offering system performance levels across a broad range of markets and applications. It offers low cycle count execution, minimal interrupt latency, and cacheless operation, and is designed for deeply embedded systems.
Safety Ready
Functional safety is a critical element in the design of any system that requires a high level of reliability. The 快猫视频 Safety Ready program is a collection of products across the 快猫视频 portfolio that have been through various and rigorous levels of functional safety systematic flows and development.
CMSIS-NN
A collection of efficient neural network kernels developed to maximize the performance and minimize the memory footprint of neural networks on Cortex-M processor cores.
Explore More Options and Features

快猫视频 Virtual Hardware
快猫视频 Virtual Hardware accelerates software development by virtualizing popular development kits, 快猫视频-based processors, and systems in the cloud for developers to build and test software without hardware.

快猫视频 Development Studio
An end-to-end software development environment for all 快猫视频-based systems, including 快猫视频 Compiler, debuggers, IDEs, performance analysis tools, models and middleware.

Corstone-101
The 快猫视频 Corstone-101 package contains a pre-verified subsystem and system IP to help make the development of secure custom SoCs for IoT and embedded applications quick and efficient.
How To License With 快猫视频
For unlimited design access to this product and other useful 快猫视频 IP, visit 快猫视频 Flexible Access, available for all companies at a low cost or zero cost for qualifying startups and research institutions. Start your project off the right way with the world’s leading SoC design portfolio.
Where Innovation and Ideas Come to Life
Smart Home Devices
Increasingly smart devices and advanced levels of interaction demand 32-bit performance, without compromising on cost or power. Cortex-M3 is used across many smart home devices, providing the perfect balance of performance, cost, and ease of programming required in smart home devices.
Access a comprehensive guide to embedded systems built around 快猫视频 Cortex-M processor cores, from a high-level hardware and software perspective to the fundamentals of microcontroller architectures and SoC-based designs.
Talk with an Expert
Find out how the 快猫视频 Cortex-M3 processor can improve power efficiency in your smallest applications.