DF2211NP24V Renesas Technology / Hitachi Semiconductor, DF2211NP24V Datasheet - Page 383

• Manufacturer Part Number: DF2211NP24V
• Description: H8S/2200 Series, 2212 Group, USB, RTC, HSS TNP-64B; Vcc= 2.7 to 3.6 volts, Temp= -20 to 75 C; Package: PVQN0064LB-A
• Manufacturer: Renesas Technology / Hitachi Semiconductor

TCFV Flag/TCFU Flag Setting Timing: Figure 9.40 shows the timing for setting of the TCFV
flag in TSR by overflow occurrence, and TCIV interrupt request signal timing. Figure 9.41 shows
the timing for setting of the TCFU flag in TSR by underflow occurrence, and TCIU interrupt
request signal timing.
(overflow)
TCNT input
clock
Overflow
signal
TCFV flag
TCIV interrupt
TCNT
φ
TCNT
(underflow)
TCNT
input clock
Underflow
signal
TCFU flag
TCIU interrupt
φ
Figure 9.40 TCIV Interrupt Setting Timing
Figure 9.41 TCIU Interrupt Setting Timing
H'FFFF
H'0000
H'0000
H'FFFF
Rev.7.00 Dec. 24, 2008 Page 329 of 698
REJ09B0074-0700