Datasheet

Section 13 8-Bit Timers (TMR)
Page 838 of 1408 R01UH0309EJ0500 Rev. 5.00
Sep 24, 2012
H8S/2456, H8S/2456R, H8S/2454 Group
13.5.6 Timing of Overflow Flag (OVF) Setting
The OVF in TCSR is set to 1 when TCNT overflows (changes from H'FF to H'00). Figure 13.10
shows the timing of this operation.
OVF
Overflow signal
TCNT
φ
H'FF H'00
Figure 13.10 Timing of OVF Setting