Datasheet

Section 11 16-Bit Free-Running Timer (FRT)
Rev. 3.00 Mar 21, 2006 page 277 of 788
REJ09B0300-0300
Compare-match
signal
OCFA, OCFB
OCRA, OCRB N
FRC N N + 1
φ
Figure 11.12 Timing of Output Compare Flag (OCFA or OCFB) Setting
11.5.8 Timing of FRC Overflow Flag Setting
The FRC overflow flag (OVF) is set to 1 when FRC overflows (changes from H'FFFF to H'0000).
Figure 11.13 shows the timing of setting the OVF flag.
Overflow signal
FRC H'FFFF H'0000
OVF
φ
Figure 11.13 Timing of Overflow Flag (OVF) Setting