The EQEP module includes the following features:
- Input synchronization
- Three stage/six stage digital noise filter
- Quadrature decoder unit
- Position counter and control unit for position measurement
- Quadrature edge capture unit for low-speed measurement
- Unit time base for speed and frequency measurement
- Watchdog timer for detecting stalls
- EQEP inputs (A/B/INDEX and STROBE) are available at chip level
- EQEP phase error output is also available. The status of the phase error can be
observed by software through the CTRLMMR_EQEP_STAT register in the CTRL_MMR0
module.