Timing Of Setting Of Overflow Flag (Ovf) - Renesas H8/3067 Series User Manual

12.3.3

Timing of Setting of Overflow Flag (OVF)

Figure 12.6 shows the timing of setting of the OVF flag. The OVF flag is set to 1 when TCNT
overflows. At the same time, a reset signal is generated in watchdog timer operation, or an interval
timer interrupt is generated in interval timer operation.
φ
TCNT
Overflow signal
OVF
H'FF H'00
Figure 12.6 Timing of Setting of OVF
Section 12 Watchdog Timer
Rev. 4.00 Jan 26, 2006 page 473 of 938
REJ09B0276-0400