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(6) Restart of and alarm interrupted by the snooze function
• A snooze operation completes 6 to 7 minutes after its start.
• If the current time is changed during a snooze operation, the snooze period will be shortened by the amount the
time is changed, regardless of whether the time was advanced or moved backwards. For example, if directly
following the start of a snooze operation the current time is set back by 3 minutes, the alarm interruption period
due to the snooze function will be reduced by 3 minutes to be between 3 and 4 minutes.
(7) Output
• The alarm A and B outputs have the following form.
However, if no oscillator circuit is attached at the CR OSC pin (pin 19) the output will be a DC signal unmodulated
by any tone.
Note that if an oscillator circuit is not used, the high level applied to the CR OSC pin must be applied before power
is applied. If the oscillator is forcibly stopped by applying a high level in the state where the CR oscillator is
operating after power has been applied the alarm DC output may operate incorrectly.
Figure 13 Alarm Output Waveform Overview (for the case where the output is a
LC85632
Figure 12 Alarm Output Waveforms
DC signal unmodulated by any tone)
No. 4659-22/34
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