Hitachi H8S/2338 Series Hardware Manual page 323

TCFV Flag/TCFU Flag Setting Timing: Figure 7-44 shows the timing for setting of the TCFV
flag in TSR by overflow occurrence, and TCIV interrupt request signal timing.
Figure 7-45 shows the timing for setting of the TCFU flag in TSR by underflow occurrence, and
TCIU interrupt request signal timing.
ø
TCNT input
clock
TCNT
(overflow)
Overflow
signal
TCFV flag
TCIV interrupt
ø
TCNT
input clock
TCNT
(underflow)
Underflow signal
TCFU flag
TCIU interrupt
H'FFFF
Figure 7-44 TCIV Interrupt Setting Timing
H'0000
Figure 7-45 TCIU Interrupt Setting Timing
H'0000
H'FFFF
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