D12320VF25V Datasheet, PDF (412/1146 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 9 16-Bit Timer Pulse Unit (TPU)
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.
φ
TCNT input
clock
TCNT
(overflow)
Overflow
signal
TCFV flag
TCIV interrupt
H'FFFF
H'0000
Figure 9.44 TCIV Interrupt Setting Timing
φ
TCNT
input clock
TCNT
(underflow)
Underflow signal
H'0000
H'FFFF
TCFU flag
TCIU interrupt
Figure 9.45 TCIU Interrupt Setting Timing
Rev.7.00 Feb. 14, 2007 page 378 of 1108
REJ09B0089-0700