NEC V850ES/F 3-L Series User Manual page 129

Pin Functions Chapter 2
DMA functions.
When using the interrupt function, after the N sampling clocks (selected
sampling frequency N = 3 or 2) have elapsed, enable interrupts after the
interrupt request flag (PIC3.PIF3 bit) has been cleared.
When using the DMA function (started by INTP3), enable DMA after the N
sampling clocks have elapsed.
User's Manual U18743EE1V2UM00 129