HD64F3642AHV Datasheet, PDF (248/551 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 9 Timers
φ
TMCIV
(external clock
input pin)
TCNTV
input clock
TCNTV
N–1
N
N–1
Figure 9.5 Increment Timing with External Clock
Overflow flag Set Timing: The overflow flag (OVF) is set to 1 when TCNTV overflows from
H'FF to H'00. Figure 9.6 shows the timing.
φ
TCNTV
H'FF
Overflow
signal
H'00
Figure 9.6 OVF Set Timing
Rev. 6.00 Sep 12, 2006 page 226 of 526
REJ09B0326-0600