h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 406

• Manufacturer Part Number: h8s-2646
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Section 10 16-Bit Timer Pulse Unit (TPU)
TCFV Flag/TCFU Flag Setting Timing: Figure 10.44 shows the timing for setting of the TCFV
flag in TSR by overflow occurrence, and TCIV interrupt request signal timing.
Figure 10.45 shows the timing for setting of the TCFU flag in TSR by underflow occurrence, and
TCIU interrupt request signal timing.
Rev. 5.00 Sep 22, 2005 page 380 of 1136
REJ09B0257-0500
TCNT
input clock
(underflow)
Underflow signal
TCFU flag
TCIU interrupt
TCNT input
clock
(overflow)
Overflow
signal
TCFV flag
TCIV interrupt
TCNT
TCNT
Figure 10.44 TCIV Interrupt Setting Timing
Figure 10.45 TCIU Interrupt Setting Timing
H'FFFF
H'0000
H'0000
H'FFFF