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1.2. ARMv7-A architecture

The processor implements ARMv7-A that includes the following features:

  • ARM Thumb®-2 architecture for overall code density comparable with Thumb and performance comparable with ARM instructions. See the ARM Architecture Reference Manual, Thumb-2 supplement for details of both the ARM and Thumb instruction sets.

  • Thumb-2 Execution Environment (Thumb-2EE) architecture to enable execution environment acceleration. See the ARM Architecture Reference Manual, Thumb-2 Execution Environment supplement for details of the Thumb-2EE instruction set.

  • TrustZone® technology for enhanced security. See the ARM Reference Manual, Security Extensions supplement for details on how TrustZone works in the architecture.

  • NEON® technology to accelerate the performance of multimedia applications such as 3-D graphics and image processing. See the ARM Architecture Reference Manual, Advanced SIMD Extension and VFPv3 supplement for details of the NEON technology.

  • Vector Floating Point v3 (VFPv3) architecture for floating-point computation that is fully compliant with the IEEE 754 standard. See the ARM Architecture Reference Manual, Advanced SIMD Extension and VFPv3 supplement for details of the VFPv3 architecture.

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