2

I know the epwmss and ehrpwm are somehow related to PWM signals, but what is the difference?

1

Enhanced High Resolution PWM (ehrpwm) is one part of the Enhanced PWM SubSystem (epwmss)

The Enhanced High-Resolution PWM features:

  • Dedicated 16-Bit Time-Base Counter With Time and Frequency Controls
  • Configurable as Six Single-Ended, Six Dual- Edge Symmetric, or Three Dual-Edge Asymmetric Outputs

All that and more is available in the AM335x and AMIC110 Sitara™ Processors Technical Reference Manual

1

eHRPWM is part of PWMSS.

eHRPWM is a PWM peripheral, able to generate complex pulse width waveforms with minimal CPU overhead or intervention.

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