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HD6432351 Datasheet(PDF) 576 Page - Renesas Technology Corp

Part # HD6432351
Description  16-Bit Single-Chip Microcomputer
PDF  1025 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD6432351 Datasheet(HTML) 576 Page - Renesas Technology Corp

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Section 12 Watchdog Timer (WDT)
Rev. 3.00 Sep 15, 2006 page 542 of 988
REJ09B0330-0300
φ
TCNT
H'FF
H'00
Overflow signal
(internal signal)
OVF
Figure 12.6 Timing of Setting of OVF
12.3.4
Timing of Setting of Watchdog Timer Overflow Flag (WOVF)
The WOVF flag is set to 1 if TCNT overflows during watchdog timer operation. At the same time,
the
WDTOVF signal goes low. If TCNT overflows while the RSTE bit in RSTCSR is set to 1, an
internal reset signal is generated for the entire H8S/2350 Group chip. Figure 12.7 shows the timing
in this case.
φ
TCNT
H'FF
H'00
Overflow signal
(internal signal)
WOVF
WDTOVF signal
Internal reset
signal
132 states
518 states
Figure 12.7 Timing of Setting of WOVF



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