What are the seven modes of operation of ARM7TDMI?

All Questions › Category: Embedded System › What are the seven modes of operation of ARM7TDMI?

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Chetan Shidling Staff asked 5 years ago

I need short information.

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Chetan Shidling Staff answered 5 years ago

User (usr): The normal ARM program execution state
FIQ (fiq): Designed to support a data transfer or channel process
IRQ (irq): Used for general-purpose interrupt handling
Supervisor (svc): Protected mode for the operating system
Abort mode (abt): Entered after a data or instruction prefetch abort
System (sys): A privileged user mode for the operating system
Undefined (und): Entered when an undefined instruction is executed