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Glossary

Application core

What is an application core?

An application core is one that is capable of running a rich operating system such as Linux, Android or iOS.

It will need to meet requirements for supporting virtual memory including having a memory management unit (MMU). To ensure a vertical isolation between driver, OS and applications it must incorporate the necessary privilege modes. The features to support virtual memory and a wide set of privilege modes are more complex than would be in embedded processors.

The Codasip A70 processor is an application core.

The A70 is a 64-bit RISC-V application core (RV64GC / RV64IMAC). This single issue, in-order core targets low-power applications while supporting rich operating systems. Software applications are supported by hardware multiplier and divider and an optional FPU.

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Where are application cores used?

The term application processor generally started as a description for the main processor in a mobile phone. As such it would run a rich OS with features aimed at the phone market such as Android or iOS. The same sort of core has been deployed in other applications (non-mobile phone) where a rich OS is required.

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