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arm's products after the classic processor ARM11 are named after Cortex, which are divided into three categories: A, R and M, which aims to provide services for various markets.
cortex series belongs to the ARMV7 architecture, which is the latest instruction set architecture of ARM by 2010. (In 2011, the ARMV8 architecture was launched on Techcon.) The ARMV7 architecture defines the series of clear division of labor: the "A" series for cutting -oriented virtual memory -based operating systems and user applications; the "R" series for real -time system; "M" The series is a micro controller.
Due to the different application fields, the technologies used by the CORTEX processor series based on the V7 architecture are also different. The V7A-based is called the Cortex-A series. Cortex-M series.
arm Cortex ™ -a series application processor can provide a comprehensive solution to the enriched OS platform and user application devices, from ultra-low-cost mobile phones, smartphones, mobile computing platforms, digital TV and set-top boxes to Enterprise network, printer and server solution. High-performance Cortex-A15, scalability Cortex-A9, market verified Cortex-A8 processor and efficient Cortex-A7 and Cortex-A5 processors all share the same architecture, so they have complete application compatibility and support traditional compatibility and support traditional compatibility and support traditional compatibility and support traditional compatibility and support tradition ARM, Thumb instruction set and new high-performance compact Thumb-2 instruction set.
cortex-a15 and Cortex-A7 support the extension of the ARMV7A architecture, thereby supporting large physical address access and hardware virtualization, and processing AMBA4 ACE consistency. At the same time, these support big.little processing. [2]
arm can be sorted as: Cortex-A57 processor, Cortex-A53 processor, Cortex-A15 processor, Cortex-A9 processor, Cortex-A8 processor, Cortex-A8 processor, Cortex-A8 processor, Cortex-A8 processor, Cortex-A8 processor. Cortex-A7 processor, CORTEX-A5 processor, ARM11 processor, ARM9 processor, ARM7 processor, and then lower part-time mobile products are basically no longer used, here will not be introduced here. [3] It should be pointed out that from the naming figures, the Cortex-A7 seems to be lower-end than A8 and A9, but from the official data of ARM, the architecture and process of A7 are made in A15. The single performance exceeds A8 more than A8 And the energy consumption control is very good. In addition, A57 and A53 belong to the ARMV8 architecture.