D12320VF25IV Datasheet, PDF (551/1304 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

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.
φ
TCNT input
clock
TCNT
(overflow)
Overflow
signal
TCFV flag
H'FFFF
H'0000
TCIV interrupt
Figure 10.44 TCIV Interrupt Setting Timing
φ
TCNT
input clock
TCNT
(underflow)
Underflow signal
H'0000
H'FFFF
TCFU flag
TCIU interrupt
Figure 10.45 TCIU Interrupt Setting Timing
Rev.6.00 Sep. 27, 2007 Page 519 of 1268
REJ09B0220-0600