Fujitsu MB90895 Series Hardware Manual page 297

I Cycle of Clock Supply
The watch timer supplies an operation clock to the oscillation stabilization wait time timer of the sub clock
and the watchdog timer.Table 9.1-2 shows the cycles of clocks supplied from the watch timer.
Table 9.1-2 Cycle of Clock Supply from Watch Timer
Timer for oscillation stabilization wait time of
SCLK: Sub clock frequency
The parenthesized values are provided when the sub clock operates at 8.192 kHz.
Receiver of clock supply
sub clock
Watchdog timer
Clock Cycle
14
2 /SCLK (2.000s)
10
2 /SCLK (125ms)
13
2 /SCLK (1.000s)
14
2 /SCLK (2.000s)
15
2 /SCLK (4.000s)
CHAPTER 9 Watch timer
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