E-LS3811-V1.1 Datasheet, PDF (1/8 Pages) BOWIN ELECTRONIC CO. – 3 Keys Clock With 5 Daily Alarm

LS
LS3811
3 Keys Clock With 5 Daily Alarm
General Description
This is a low cost single chip 3 keys clock with 5 daily alarm.
Features:
* Operating voltage 1.5V
* Low power consumption
* Hour Minute display for different mode.
* On-chip, 4-digit, 1/3 duty cycle, 1/2 bias, LCD driver.
* LCD bias level: 0.0V, 1.5V, 3.0V.
* On chip 32768Hz crystal.
* Daily Alarm - It generates a sound (4KHz x 8Hz x 1Hz) for 60 seconds. Pressed any
key to stop it.
* Chime Function - Every hour on the hour, beep (4KHz x 4Hz x 1Hz) for 1 second.
* 4KHz on-chip buzzer output driver to give alarm sound and beep tone.
* Bonding option of alarm non-stop until user disable.
* Bonding option of 12/24 hour format display.
* Bonding option of max. 2 -- 5 selectable daily alarm time.
LCD display
Version 1.1 (2005.06.03)
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