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| SH7020 Datasheet, PDF (351/509 Pages) Renesas Technology Corp – SuperH™ RISC engine | |||
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TCNT
value
H'FF
Overflow
H'00
Time
WT/IT = 1
TME = 1
H'00 written
in TCNT
WOVF = 1 WT/IT = 1 H'00 written
TME = 1 in TCNT
WDTOVF and
internal reset generated
WDTOVF
signal
Internal
reset signal*
128Ï clock
512Ï clock
WT/IT: Timer mode select bit
TME: Timer enable bit
Note: The internal reset signal is only generated when the RSTE bit is 1.
Figure 12.4 Operation in the Watchdog Timer Mode
RENESAS 335
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