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docs:techref:instructionset:arm_cortex-a9

arm_cortex-a9

The ARM® Cortex®-A9 processor is a popular general purpose choice for low-power or thermally constrained, cost-sensitive 32-bit devices.

The Cortex-A9 processor is proven in a wide range of devices and is one of ARM's most widely deployed and mature applications processors. Cortex-A9 processor offers an overall performance enhancement over 25% higher than Cortex-A8 per core, plus the ability to implement multi-core designs that further scale the performance increase.

The Cortex-A9 implements the widely supported ARMv7-A architecture with an efficient microarchitecture:

  High-efficiency, dual-issue superscalar, out-of-order, dynamic length pipeline (8 – 11 stages)
  Highly configurable L1 caches, and optional NEON and Floating-point extensions
  Available as a Single processor configuration, or a scalable multi-core configuration with up to 4 coherent cores

For the most high-end 32-bit devices, Cortex-A17 delivers more performance and efficiency in a similar footprint than its predecessor, the Cortex-A9. They are based of a similar pipeline, with Cortex-A17 extending the capabilities in single thread performance and adding big.LITTLE support and virtualization that were not in the original Cortex-A9 offering.

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Devices with this instructionset

Package architectureTargetSubtarget BrandModelVersion
arm_cortex-a9bcm53xxgenericAsusRT-N18UA1
arm_cortex-a9bcm53xxgenericAsusRT-AC56U
arm_cortex-a9bcm53xxgenericAsusRT-AC68U
arm_cortex-a9bcm53xxgenericAsusRT-AC87U
arm_cortex-a9bcm53xxgenericBuffaloWZR-600DHP2
arm_cortex-a9bcm53xxgenericBuffaloWZR-1750DHP(D)
arm_cortex-a9bcm53xxgenericBuffaloWXR-1900DHP
arm_cortex-a9bcm53xxgenericBuffaloWZR-900DHP
arm_cortex-a9bcm53xxgenericD-LinkDIR-885LA1
arm_cortex-a9bcm53xxgenericLinksysEA62001.0
arm_cortex-a9bcm53xxgenericLinksysEA6300v1
arm_cortex-a9bcm53xxgenericLinksysEA64001.0
arm_cortex-a9bcm53xxgenericLinksysEA6500v2
arm_cortex-a9bcm53xxgenericLinksysEA6700
arm_cortex-a9bcm53xxgenericLinksysEA9500v1
arm_cortex-a9bcm53xxgenericNetgearR6250
arm_cortex-a9bcm53xxgenericNetgearR6300v2
arm_cortex-a9bcm53xxgenericNetgearR7000
arm_cortex-a9bcm53xxgenericNetgearR7900
arm_cortex-a9bcm53xxgenericNetgearR8000
arm_cortex-a9bcm53xxgenericPHICOMMK3A1
arm_cortex-a9bcm53xxgenericTendaAC9
arm_cortex-a9bcm53xxgenericTP-LinkArcher C5 AC1200v2
arm_cortex-a9bcm53xxgenericTP-LinkArcher C8v1.0
arm_cortex-a9bcm53xxgenericTP-LinkArcher C9v1
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docs/techref/instructionset/arm_cortex-a9.txt · Last modified: 2019/04/06 06:26 by memicinn19