208
3.
TMOFH/TMOFL output timing
In TMOFH/TMOFL output, the value set in TOLH/TOLL in TCRF is output. The output is
toggled by the occurrence of a compare match. Figure 9-6 shows the output timing.
Figure 9-6 TMOFH/TMOFL Output Timing
4.
TCF clear timing
TCF can be cleared by a compare match with OCRF.
5.
Timer overflow flag (OVF) set timing
OVF is set to 1 when TCF overflows from H'FFFF to H'0000.
6.
Compare match flag set timing
The compare match flag (CMFH or CMFL) is set to 1 when the TCF and OCRF values match.
The compare match signal is generated in the last state during which the values match (when TCF
ø
TMIF
(when IEG3 = 1)
Count input
clock
TCF
OCRF
TMOFH TMOFL
Compare match
signal
N
N
N
N
N+1
N+1