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The Arm Cortex-A family of Automotive Enhanced (AE) high-throughput efficiency processors is designed for memory intensive and demanding safety-critical tasks. Arm Cortex-A65AE is Arm s first multithreaded AE Cortex-A CPU that delivers the highest levels of safety with Dual Core Lock-Step (DCLS). It can scale up to eight cores in a single cluster and supports Split-Lock for mixed-criticality automotive applications. The thermally efficient Cortex-A65AE is designed for high-throughput workloads, such as sensor fusion in autonomous driving and vision in ADAS.


Cortex-A65AE is designed for high-throughput applications, such as sensor fusion and vision-based ADAS systems. It delivers substantial gains in throughput efficiency and contributes toward the highest Automotive Safety Integrity (ASIL) standards required for fully autonomous vehicles.


  • Simultaneous Multithreading : The multithreaded processor, a first in the Cortex family, has an out-of-order execution pipeline and can execute two-threads in parallel on each cycle. Each thread can be at different exception levels and run different operating systems.
  • Flexibility with Split-Lock : Switch between split mode for performance for highest multicore performance or lock mode for safety for advanced multicore fault-tolerance with ASIL D hardware metrics. Provide additional flexibility for future mixed-criticality applications.
  • Throughput Efficiency : The Cortex-A65AE features an advanced microarchitecture designed for performance density and delivers high-throughput efficiency for memory intensive workloads in constrained thermal budgets.

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