26.5.4.2.4 Timer Period = CCPxRB

The module will still generate the high-to-low transition when the value of CCPxRB equals the timer period. This is true whether the period is determined in Sync operation from an external source (as shown in Figure 26-28) or on a match with CCPxPRL.

Figure 26-28. Timing for Dual Edge Compare (Timer Period = CCPxRB)