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Section 18 Multi-Function Timer Pulse Unit (MTU)
Rev. 4.00 Sep. 14, 2005 Page 625 of 982
REJ09B0023-0400
TCFV Flag/TCFU Flag Setting Timing: Figure 18.66 shows the timing for setting of the TCFV
flag in TSR on overflow, and TCIV interrupt request signal timing.
Figure 18.67 shows the timing for setting of the TCFU flag in TSR on underflow, and TCIU
interrupt request signal timing.
Overflow
signal
TCNT
(overflow)
TCNT input
clock
H'FFFF H'0000
TCFV flag
TCIV interrupt
Pφ
Figure 18.66 TCIV Interrupt Setting Timing
Underflow
signal
TCNT
(underflow)
TCNT
input clock
H'0000 H'FFFF
TCFU flag
TCIU interrupt
Pφ
Figure 18.67 TCIU Interrupt Setting Timing