Datasheet

Section 11 16-Bit Timer Pulse Unit (TPU)
Rev. 3.00 Mar 17, 2006 page 592 of 926
REJ09B0283-0300
TCFV Flag/TCFU Flag Setting Timing: Figure 11.40 shows the timing for setting of the TCFV
flag in TSR by overflow occurrence, and the TCIV interrupt request signal timing.
Figure 11.41 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 11.40 TCIV Interrupt Setting Timing
Underflow
signal
TCNT
(underflow)
TCNT
input clock
H'0000 H'FFFF
TCFU flag
TCIU interrupt
φ
Figure 11.41 TCIU Interrupt Setting Timing