Arm Cortex-M Powering Automotive MCUs
The automotive industry is undergoing an unprecedented transformation as vehicle architectures rapidly change to support the move toward software-defined vehicles with higher levels of automation and electrification. These future vehicles need microcontrollers with a wide range of performance and efficiency capabilities, as well as support for secure and efficient software updates.
What Your MCUs Need for the Software-Defined Vehicle
Microcontrollers based on the Arm Cortex-M processor family enables software-defined vehicles through the deployment of a common, scalable architecture to meet the processing demands, software re-use, lower development costs, faster time to market, and more.
Driving Reimagined by Arm Partners
Voices on Arm: GreenHills Talks Zonal Controllers, Safety Certification in Automotive
At Embedded World 2023, GreenHills Software, outlines why the move to zonal controllers in vehicles will deliver opportunities to consolidate key automotive functions, and how GreenHills are working on software tools to support Arm-based zonal controllers and microcontrollers.
Automotive Microcontroller Spotlight
Product Highlights
Software and Tools Support
Cortex-M Processors
Explore Arm’s portfolio of automotive processors IP.
Cortex-M23 Processor
The smallest and lowest-power microcontroller with TrustZone security, making it the ideal processor for applications where software isolation and software security are required.
Cortex-M55 Processor
Arm’s most AI-capable Cortex-M processor and the first to feature Arm Helium technology, bringing a significant uplift in power-efficient ML and DSP performance for IoT devices.
Cortex-M85 Processor
Cortex-M85 provides increased security and high performance on a single Cortex-M without the need to migrate to multicore or heterogeneous platforms.

Innovation for the Future of Automotive
Explore some of the demonstrations at CES that take advantage of Arm technology and provide a valuable glimpse of automotive innovation on Arm.
Talk with an Expert
Whether you’re an OEM, Tier 1, startup or semiconductor company, get in touch to find out how Arm can help you define and deliver your next automotive technology project.
Additional Resources
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Take a look at a past Arm automotive newsletter.