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4 power down modes of the alarm comparator – FUJITSU MB91460 SERIES FR60 User Manual

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Chapter 46 Alarm Comparator

4.Operation Modes

4.4 Power Down Modes of the Alarm Comparator

The alarm comparator circuit has the following power down modes:

Precaution: The outputs of the alarm comparator (analog parts) will remain undefined for at least 3 us
after power on and also after reentering the runmode. You have to make sure whether the IRQ is correct
set before enabling the alarm comparator interrupt source.

Table 4-2 Alarm Comparator power down modes

STOP

PD

analog part

digital part

0

0

run mode

run mode

0

1

power down mode

run mode

1

0

power down mode

power down mode

1

1

power down mode

power down mode