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WATCHDOG TIMER
9.3 Precautions when using watchdog timer
9.3 Precautions when using watchdog timer
1. When a dummy data is written to address 60
simultaneously performed. Accordingly, when the user does not want to change a value of the watchdog
timer frequency select bit (bit 0 at address 61
writing to address 60
2. When the STP instruction (refer to "Chapter 10. STOP MODE") is executed, Watchdog timer stops.
When Watchdog timer is used to detect the program runaway, select "STP instruction disable" with mask
option.
9–8
.
16
7751 Group User's Manual
with the 16-bit data length, writing to address 61
16
), write the previous value to the bit simultaneously with
16
is
16
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