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參數(shù)資料
| 型號(hào)： | IL8560 |
| 廠商： | INTEGRAL JOINT STOCK COMPANY |
| 英文描述： | CLOCK CIRCUIT |
| 中文描述： | 時(shí)鐘電路 |
| 文件頁數(shù)： | 2/6頁 |
| 文件大?。?/td> | 229K |
| 代理商： | IL8560 |
INTEGRAL
IL8560
BELMICROSYSTEMS
2
Table 1. Display Mode
Select Input
Alarm Sleep
NC
Vc,s
NC
V..s
Display Mode
Digit No.l
Digit No.2
Digit No.3
Digit No.4
NC
NC
Vss
Vss
Time display
Alarm display
Sleep display
Seconds display
10's hour, AM/PM
10's hour, AM/PM
Blanked
Blanked
Hour
Hour
Hour
Minute
10's minute Minute
10's minute Minute
10's minute Minute
10's second Second
NOTE:
If Vss is applied to both input of "alarm display" and "sleep display" simultaneously,
the seconds display mode is entered.
Time setting input:
Two setting inputs for "hours" and "minutes" are provided. The
application of Vgg causes the time setting in Table 2 to occur. An internal
pull-down resistor each is provided.
Table 2. Display Mode
Display Mode Set Input
Functions
Time
HOUR
MIN
BOTH
Both operations shown above are performed.
Seconds
(Alarm &
Sleep)
MIN
BOTH
"Hours" and "Minutes" are reset to (0:00) (24hour basis) or (12:00) (12hour basis).
Alarm
HOUR
MIN
BOTH
"Hours" and "Minutes" are reset to [0:00] (24-hour basis) or [12:00] (12-hour basis).
Sleep
HOUR
MIN
BOTH
The sleep counter counts down at a 2Hz rate.
"Hours" are incremented +1 immediately and advance at a 2Hz rate 1/4 to 3/4 second later.
"Minutes" are incremented +1 immediately and advance at a 2Hz rate 1/4 to 3/4 second later.
"Seconds" are reset
HOUR
(Note)
"Seconds" are cleared to [00].
"Hold" mode.
"Hours" are incremented +1 immediately and advance at a 2Hz rate 1/4 to 3/4 second later.
"Minutes" are incremented +1 immediately and advance at a 2Hz rate 1/4 to 3/4 second later.
The moment. V
DD
is applied to "sleep display", the sleep counter is set to [0:59].
The moment
VDD
is applied to "sleep display" and "hour set" simultaneously, the sleep counter
is set to (1:59). The sleep counter counts down at a 2Hz rate.
Once the reset mode or hold mode is entered, another function input is locked until both "hour set"
input and "minute set" input are released
.
Note:
When "seconds" display is at 50 to 59, "seconds" are reset to [00] and a carry occurs to
"minutes" +1.
12/24-hour select input:
Leaiving this pin unconnected (V
DD
) causes the 12-hour basis to be selected;
connecting this pin to V
SS
causes the 24-hour basis to be selected. An internal pull-
down resistor is provided.
It the power supply voltage drops and is applied again, all the on-segments flash and
the power failure indication mode is entered. The power failure indication mode is
released by applying V
SS
to "hour set" or "minutes set”
When the alarm set time is reached, the alarm signal is delivered. This signal continues
to be delivered for 1 hour 59 minutes unless reset by "alarm off" or "snooze input". This
signal is provided for the tone-signal of 900Hz with 50% duty of 2Hz gated. A simple
LPF can be used to turn this alarm signal into DC signal as required.
By momentarily connecting this pin to V
SS
at the alarm on-state, the alarm output is
inhibited for 8 to 9 minutes, after which used repeatedly for 1 hour 59 minutes. An
Power failure indication:
Alarm operation and alarm
output:
Snooze input:
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