Datasheet

Table Of Contents
Section 10 16-Bit Timer Pulse Unit (TPU)
Page 340 of 846 REJ09B0140-0900 Rev. 9.00
Sep 16, 2010
H8S/2215 Group
TCFV Flag/TCFU Flag Setting Timing: Figure 10.40 shows the timing for setting of the TCFV
flag in TSR by overflow occurrence, and TCIV interrupt request signal timing. Figure 10.41
shows the timing for setting of the TCFU flag in TSR by underflow occurrence, and 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