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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： | 17/34頁 |
| 文件大小： | 394K |
| 代理商： | LC85632 |
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LC85632
Calendar
(1) Overview
This IC includes a one year calendar on-chip. It only supports month and date displays, and does not provide a day of
the week display. The following calendar table is included on-chip.
Month
1
2
3
4
5
6
7
8
9
10
11
12
Days
31
28
31
30
31
30
31
30
31
30
31
This calendar function can display February 29 to handle leap year’s day.
During calendar display the AM/PM indicator and the colon are turned off.
Alarm indicators for enabled alarms (ALM INDICATOR) are lit.
The display format can be switched to be either month-day or day-month.
(2) Functions
* CAL. DISP & SNOOZE [Pin 21]
VSS
OPEN
VDD
Calendar display and set
NOP
Calendar display and set
(Month-day display)
(Current time display)
(Day-month display)
Snooze-in
When a high level is applied to the CAL DISP & SNOOZE pin (pin 21) the calendar is displayed in the day-month
format, and when a low level is applied it is displayed in the month-day format.
The calendar is set using either a high level or a low level input to the TIME SET INPUT pin (pin 20) while the
calendar is displayed.
(3) Operation
Display
The calendar is displayed when either a high or a low level is applied to the CAL DISP & SNOOZE pin
(pin 21). Only numbers and the alarm indicators for alarms that are enabled are displayed; the other segments
(AM/PM and the colon) are turned off.
However, note that the CAL DISP & SNOOZE pin operates as snooze function input during alarm signal output
and periods when the alarm output is interrupted by the snooze function. During those times the calender is not
displayed.
Figure 16 Calendar Display Setting
No. 4659-24/34
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