Siemens and Arm have grown their relationship, as Siemens has added support for the newly released Arm Zena Compute Subsystems (CSS) in its Pave360 digital twin software solution. Pave360 provides developers with access to virtual models of Arm automotive IP in the cloud, including the new Arm Zena CSS.

The relationship between Siemens and Arm has been ongoing for nearly a decade after they began collaborating on the development of IoT solutions. Since then, they have worked together on smart manufacturing and automation technologies. In 2020, they formed an alliance to bring integrated circuit processes and tools to help the automotive supply chain solve design and verification challenges by leveraging Arm automotive IP and software within Siemens’ Pave360 digital twin environment. Last year, Siemens said it was adding accelerated pre-silicon development in the cloud to its hardware-assisted verification product, offering with Pave360 software for software-defined vehicles (SDV), becoming the first accelerated simulation environment to support the new Arm Cortex-A720AE CPU semiconductor IP launched in March 2024.

Recently, the two companies revealed they are expanding their relationship, with Siemens supporting the new Arm Zena Compute Subsystems (CSS) in Pave360 for SDVs. Moreover, customers can use Siemens’ Pave360 to develop software for Zena CSS far in advance of the silicon availability.

Zena CSS is Arm’s first-generation CSS for automotive. It s a pre-integrated and validated compute subsystem optimized for performance, power, and area, and designed to accelerate development for AI-defined vehicles. This is important, Arm stresses, as faster development and deployment is necessary when implementing next-gen in-vehicle experiences. And, with Pave360 software development on Zena CSS occurring before physical silicon is available, that development time for new software solutions is greatly reduced, Arm explains.

Software-defined vehicles and AI-defined vehicles are very complex, highly connected systems, says David Fritz, VP of Siemens Digital Industries, making it imperative that vehicle development needs to be systems-aware, with the full vehicle system developed in parallel and with continuous verification, which can be achieved in Pave360.

Siemens says it is uniquely able to offer integrated EDA and PLM/ALM solutions for building multi-domain, multi-vertical digital twins for design, development, and validation. This enables early identification of potential issues, ensuring better integration and validation of the entire system throughout the development cycle.

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