The eQEP peripheral contains the
following major functional units (as shown in Figure 7-292):
- Programmable input qualification for each pin (part of the
GPIO MUX)
- Quadrature Decoder Unit (QDU)
- Position Counter and Control Unit (PCCU) for position
measurement
- Quadrature edge-capture (QCAP) unit for low-speed
measurement
- Unit time(UTIME) base for speed/frequency measurement
- Watchdog timer for detecting stalls (QWDOG)