Operation Timing Of Ovf0 Flag - NEC PD78076 User Manual

CHAPTER 8 16-BIT TIMER/EVENT COUNTER
(7) Operation of OVF0 flag
OFV0 flag is set to 1 in the following case.
The clear & start mode on match between TM0 and CR00 is selected.
CR00 is set to FFFFH.
When TM0 is counted up from FFFFH to 0000H.
Figure 8-38. Operation Timing of OVF0 Flag
Count Pulse
CR00 FFFFH
TM0 FFFEH FFFFH 0000H 0001H
OVF0
INTTM00
221