SPRUJ79 November 2024 F29H850TU , F29H859TU-Q1
The counter-compare module can generate compare events in all three count modes:
To best illustrate the operation of the first three modes, the timing diagrams in Figure 30-17 through Figure 30-20 show when events are generated and how the EPWMxSYNCI signal interacts.

Figure 30-18 Counter-Compare Events in Down-Count Mode
Figure 30-19 Counter-Compare Events In Up-Down-Count Mode, TBCTL[PHSDIR = 0] Count Down On Synchronization Event
Figure 30-20 Counter-Compare Events In Up-Down-Count Mode, TBCTL[PHSDIR = 1] Count Up On Synchronization Event