h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 492
h8s-2635
Manufacturer Part Number
h8s-2635
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2635.pdf
(1547 pages)
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Section 12 Watchdog Timer
12.3.4
In the WDT0, the WOVF flag is set to 1 if TCNT overflows during watchdog timer operation. If
TCNT overflows while the RSTE bit in RSTCSR is set to 1, an internal reset signal is generated
for the entire chip. Figure 12-7 shows the timing in this case.
Rev. 6.00 Feb 22, 2005 page 432 of 1484
REJ09B0103-0600
φ
TCNT
Overflow signal
(internal signal)
WOVF
Internal reset
signal
Overflow signal
(internal signal)
φ
OVF
TCNT
Timing of Setting of Watchdog Timer Overflow Flag (WOVF)
Figure 12-7 Timing of Setting of WOVF
Figure 12-6 Timing of Setting of OVF
H'FF
H'FF
515/516 states (WDT1)
H'00
518 states (WDT0)
H'00
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