SPRUIU1D July 2020 – December 2024 DRA821U , DRA821U-Q1
The time-base counter operates in one of four modes:
To illustrate the operation of the first three modes, Figure 12-2610 to Figure 5-752 show when events are generated and how the time-base responds to an EPWMxSYNCI signal.
Figure 12-2610 EPWM Time-Base Up-Count Mode Waveforms
Figure 12-2611 EPWM Time-Base Down-Count Mode Waveforms
Figure 12-2612 EPWM Time-Base Up-Down-Count Waveforms, EPWM_TBCTL[13] PHSDIR = 0 Count Down on Synchronization Event
Figure 12-2613 EPWM Time-Base Up-Down Count Waveforms, EPWM_TBCTL[13] PHSDIR = 1 Count Up on Synchronization Event