CHAPTER 9 WATCHDOG TIMER
User’s Manual U17446EJ3V1UD
154
Figure 9-4. Status Transition Diagram When “Low-Speed Internal Oscillator Cannot Be Stopped”
Is Selected by Option Byte
Reset
WDT clock: f
RL
Overflow time: 546.13 ms (MAX.)
STOP
WDT count continues.
HALT
WDT count continues.
STOP instruction
HALT instruction
WDT clock is fixed to f
RL
.
Select overflow time (settable only once).
WDT clock: f
RL
Overflow time: 4.27 ms to 546.13 ms (MAX.)
WDT count continues.
Interrupt
Interrupt
WDTE = “ACH”
Clear WDT counter.
Содержание 78K0S/KB1+
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