Hitachi SH7032 - Page 378

343
H'FF
H'00
Overflow
WT/IT = 1
TME = 1
H'00 written
in TCNT
Internal
reset signal*
WDTOVF
signal
TCNT
value
WDTOVF and
internal reset generated
WOVF = 1 WT/IT = 1
TME = 1
H'00 written
in TCNT
Time
512 φ clocks
128 φ clocks
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 Watchdog Timer Mode