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Timer1 Protection

Purpose

Timer1 is responsible for carrier generation.

It directly drives the complementary outputs used by the half bridge.


Responsibilities

  • Carrier frequency generation.
  • Duty cycle generation.
  • Complementary output timing.
  • Waveform symmetry.

Safe Modifications

  • Carrier frequency.
  • Carrier duty cycle.

Unsafe Modifications

  • Timer mode.
  • Compare mode.
  • Output polarity.
  • Register synchronization.

Possible Side Effects

Incorrect modifications may cause:

  • missing pulses,
  • asymmetrical outputs,
  • unstable operation,
  • distorted bursts.