Section 9 16-Bit Timer Pulse Unit (TPU)
Rev. 3.00 Mar. 14, 2006 Page 335 of 804
REJ09B0104-0300
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TCFV Flag/TCFU Flag Setting Timing
Figure 9.41 shows the timing for setting of the TCFV flag in TSR by overflow occurrence, and the
TCIV interrupt request signal timing.
Figure 9.42 shows the timing for setting of the TCFU flag in TSR by underflow occurrence, and
the TCIU interrupt request signal timing.
H'FFFF
P
φ
TCNT input
clock
TCNT
(overflow)
Overflow signal
TCFV flag
TCIV interrupt
H'0000
Figure 9.41 TCIV Interrupt Setting Timing
H'0000
P
φ
TCNT input
clock
TCNT
(underflow)
Underflow signal
TCFU flag
TCIU interrupt
H'FFFF
Figure 9.42 TCIU Interrupt Setting Timing
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