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Arm Cortex-A520AE CPU

Arm Cortex-A520AE CPU

Arm Cortex-A520AE CPU

Product catalog summary
Introduction
The Arm Cortex-A520AE CPU is designed to meet the increasing demand for advanced computing capabilities in vehicles, supporting seamless experiences and driver assistance features. It is part of the Arm Automotive Enhanced (AE) variant of the A-class series, widely adopted in automotive applications such as ADAS, digital cockpits, vehicle domain controllers, and central computers.

Key Features and Benefits
The Cortex-A520AE CPU offers leading power efficiency with a 30% performance uplift compared to the Cortex-A55. It is scalable across various automotive applications, including digital cockpits and ADAS, and includes additional functional safety features for modern software-defined vehicles (SDVs).

Product Highlights
The Cortex-A520AE is designed for safety-critical automotive use cases, achieving high power efficiency and performance gains with a low silicon area. It supports scalable CPU cluster configurations and is compatible with Arm DSU-120AE.

Use Cases
The CPU is suitable for digital cockpits, in-vehicle infotainment (IVI), advanced driver-assistance systems (ADAS), and zonal controllers.

Functional Safety and Security
The Cortex-A520AE enhances functional safety capabilities beyond those of the Cortex-A55 and Cortex-A65AE, supporting varying safety requirements across SDVs. It includes features like split-lock modes and Transient Fault Protection (TFP) for ASIL B safety levels. Security is enhanced through Armv9.2 A architecture, with features like Pointer Authentication, Branch Target Identification, and Memory Tagging Extension to mitigate vulnerabilities.

Advanced AI Features
The architecture supports new AI performance features, including BFloat16 data types, Matrix Multiply, and Scalable Vector Extensions (SVE2), enhancing AI capabilities.

Conclusion
The Arm Cortex-A520AE CPU is a high-efficiency processor designed for automotive applications, offering significant improvements in power efficiency, performance, safety, and security.
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Catalog excerpts

Arm Cortex-A520AE CPU-1

Across all vehicles, there is a greater demand for more advanced computing Leading Power Efficiency with Significant Performance Uplift Cortex-A520AE CPU is designed to achieve leading power efficiency with a performance uplift of 30 percent compared to the highly adopted Cortex-A55. capabilities to enable the seamless experiences and driver assistance features Scalability Across Automotive Applications Cortex-A520AE can be used in scalable CPU cluster configurations to suit digital cockpit, ADAS, and zonal controller use cases. These include: Additional Functional Safety features Cortex-A520AE adds functional safety capabilities for advanced safety requirements in the modern softwaredefined vehicle (SDV). that users have come to expect through new AI-accelerated SDVs. Leveraging the success of the Arm Cortex-A CPUs for consumer devices, the Arm Automotive Enhanced (AE) variant of the A-class series of CPUs have seen broad adoption across a wide range of automotive applications. • ADAS • Digital cockpits, including both IVI systems and instrument clusters • Vehicle domain controllers • Central comp

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Arm Cortex-A520AE CPU-2

Key aspects across all these applications are more advanced functional Digital Cockpit safety and security features that ensure road safety for drivers, passengers, and pedestrians, as well as securing driver and vehicle data. Advanced Driver-Assistance Systems (ADAS) Zonal Controllers Industry-Leading Scalable Power Efficiency Cortex-A520AE is our latest high-efficiency Cortex-A processor targeted at safety-critical, automotive use-cases. It has been designed to achieve leading power efficiency, while still bringing a performance uplift of 30 percent compared to the highly adopted Arm Cortex-A55.¹...

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Arm Cortex-A520AE CPU-3

More Functional Safety Capabilities Cortex-A520AE adds further functional safety capabilities on top of what was offered by Cortex-A55 and Arm Cortex-A65AE CPUs. These enable new, efficient ways for system integrators to deliver on the varying safety requirements across the SDV. The widely adopted split-lock feature, which enables the ability to boot the cluster in Split, Hybrid, or Lock modes, has been maintained and extended to bring even more flexibility. This enables SoC designers to create a single product that can be deployed in systems with different safety integrity requirements. Meanwhile,...

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Arm Cortex-A520AE CPU-4

Many new architectural features have been designed to enhance AI performance, including support for new data types, such as BFloat16, as well as support for Matrix Multiply, and the introduction of Scalable Vector Extensions (SVE2), an evolution of the Arm NEON SIMD engine. FO OT NOTES ¹ Comparing Arm Cortex-A520 and Cortex-A55 SPECrate2017_int performance in iso-configuration, iso-process, and at iso-frequency. © A R M L T D . 2 0 2 4 All brand names or product names are the property of their respective holders. Neither the whole nor any part of the information contained in, or the product described...

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