User’s Manual U16896EJ2V0UD
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CHAPTER 11 WATCHDOG TIMER FUNCTIONS
11.1 Watchdog Timer 1
11.1.1 Functions
Watchdog timer 1 has the following operation modes.
•
Watchdog timer
•
Interval timer
The following functions are realized from the above-listed operation modes.
•
Generation of non-maskable interrupt request signal (INTWDT1) upon overflow of watchdog timer 1
Note
•
Generation of system reset signal (WDTRES1) upon overflow of watchdog timer 1
•
Generation of maskable interrupt request signal (INTWDTM1) upon overflow of interval timer
Note
For non-maskable interrupt servicing due to non-maskable interrupt request signal (INTWDT1, INTWDT2),
refer to
17.10 Cautions
.
Remark
Select whether to use watchdog timer 1 in the watchdog timer 1 mode or the interval timer mode with the
WDTM1 register.
Содержание V850ES/KE1+
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