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參數資料
| 型號： | LC85632 |
| 元件分類： | 時鐘及定時 |
| 英文描述： | LED CLOCK, PDIP30 |
| 封裝： | DIP-30 |
| 文件頁數： | 16/34頁 |
| 文件大小： | 394K |
| 代理商： | LC85632 |
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The conditions concerning alarm output are as follows:
— In principle, the later occurring alarm is given priority.
Example: The alarms will operate as follows if alarm A is set for 12:02 and alarm B is set for 12:04.
Alarm A begins to operate at 12:02
At 12:04 alarm B begins to operate. At the same time alarm A stops.
Figure 14 Alarm Operation Priority
Exceptions to later arrival priority: Although in principle the later occurring alarm take priority, in the
following case alarm A takes priority and alarm B does not operate.
Assume that the alarm A set time is 12:30 and the alarm B set time is 12:00 and the alarms are enabled at
12:15.
Now, time progress and 12:30 arrives and alarm B operates. At this point, while the current time is still 12:30,
alarm B will not operate even if the alarm B set time is advanced to 12:30. Here, alarm A will take priority and
alarm B will not operate.
— If both alarms are set to the same time, alarm A takes priority and alarm B does not operate.
— If the other alarm operates during a snooze interruption of one alarm, the interrupted alarm is stopped.
Example: Assume alarm A has been interrupted by the snooze function and alarm B operates. At this
point only the ALM-B OUTPUT pin outputs an alarm signal, and no signal is output from the
ALM-A OUTPUT pin when the snooze period for alarm A completes.
(8) Other points
Notes on the alarm indicators (ALM INDICATOR)
This output is used to display the alarm state on the LED display. Its display states are as follows.
— Normal operation (No alarm times set and no operations enabled) : Off
— Normal operation (Alarm time set and alarm enabled)
: On
— Alarm setting mode
: Flashing (1 Hz)
— Initial state flashing mode
: Lit (not flashing)
— Flashing mode following a power loss
: Lit (not flashing)
Figure 15 Alarm Indicators
Radio output
If the radio output is in the on state, i.e., the RADIO OUTPUT pin is high, and either alarm A or alarm B output
goes on, the radio output will go off, i.e., the RADIO OUTPUT pin will go low.
LC85632
No. 4659-23/34
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