D12320VF25V Datasheet, PDF (460/1146 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 11 Watchdog Timer
11.3.3 Timing of Overflow Flag (OVF) Setting
The OVF flag is set to 1 if TCNT overflows during interval timer operation. At the same time, an
interval timer interrupt (WOVI) is requested. This timing is shown in figure 11.6.
φ
TCNT
Overflow signal
(internal signal)
H'FF
H'00
OVF
Figure 11.6 Timing of OVF Setting
Rev.7.00 Feb. 14, 2007 page 426 of 1108
REJ09B0089-0700