HD6412340 HITACHI [Hitachi Semiconductor], HD6412340 Datasheet - Page 375

• Manufacturer Part Number: HD6412340
• Description: H8S/2345 F-ZTAT Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

TCFV Flag/TCFU Flag Setting Timing: Figure 9.44 shows the timing for setting of the TCFV
flag in TSR by overflow occurrence, and TCIV interrupt request signal timing.
Figure 9.45 shows the timing for setting of the TCFU flag in TSR by underflow occurrence, and
TCIU interrupt request signal timing.
358
(overflow)
(underflow)
TCNT
TCNT
ø
TCNT input
clock
Overflow
signal
TCFV flag
TCIV interrupt
ø
TCNT
input clock
Underflow signal
TCFU flag
TCIU interrupt
Figure 9.44 TCIV Interrupt Setting Timing
Figure 9.45 TCIU Interrupt Setting Timing
H'FFFF
H'0000
H'FFFF
H'0000