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Explain operating modes of ARM 7 and also explain registers available in each mode.
written 3.0 years ago by gravatar for teamques10 teamques10 ★ 65k •   modified 3.0 years ago
microprocessors and applications
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written 3.0 years ago by gravatar for teamques10 teamques10 ★ 65k

The ARM processor supports seven operating modes. The processor mode decides availability of the registers to the programmer and also access rights to the CPSR.

The processor modes are classified as :

  1. Privileged mode
  2. Non-privileged mode.

Privileged mode supports full read and write access to the CPSR. The privileged modes …

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