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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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CS Electrical And Electronics Staff asked 4 years ago

I need short information.

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CS Electrical And Electronics Staff answered 4 years ago
  1. User (usr): The normal ARM program execution state
  2. FIQ (fiq): Designed to support a data transfer or channel process
  3. IRQ (irq): Used for general-purpose interrupt handling
  4. Supervisor (svc): Protected mode for the operating system
  5. Abort mode (abt): Entered after a data or instruction prefetch abort
  6. System (sys): A privileged user mode for the operating system
  7. Undefined (und): Entered when an undefined instruction is executed