Datasheet

Section 10 16-Bit Timer Pulse Unit (TPU)
Rev.6.00 Mar. 18, 2009 Page 475 of 980
REJ09B0050-0600
TCFV Flag/TCFU Flag Setting Timing: Figure 10.40 shows the timing for setting of the TCFV
flag in TSR by overflow occurrence, and the TCIV interrupt request signal timing.
Figure 10.41 shows the timing for setting of the TCFU flag in TSR by underflow occurrence, and
the TCIU interrupt request signal timing.
Overflow
signal
TCNT
(overflow)
TCNT input
clock
H'FFFF H'0000
TCFV flag
TCIV interrupt
φ
Figure 10.40 TCIV Interrupt Setting Timing
Underflow
signal
TCNT
(underflow)
TCNT
input clock
H'0000 H'FFFF
TCFU flag
TCIU interrupt
φ
Figure 10.41 TCIU Interrupt Setting Timing