LSI

LS6022

Version 1.1 (18.11.00)

2

Functional Description

Counting Range

The LS6022 is a count down timer with 4 digit display HH:MM at the upper display and a real time

clock at the lower display.

The maximum count down range is 19 Hour 59 minutes or 15Hour 59

minutes selected by bonding option.

Four key operation

The LS6022 support 4 keys : KSET, KST, KHR, KMIN.

The LS6022 display the clock on the lower display and is always on. When the timer is in-active for 1

minute, the timer display(upper) is off. Press any of the KST, KHR, KMIN will wake up the timer.

When the timer is wake-up,

Press KMIN to set the counting minute.

Press KHR to set the counting hour.

Press KST to start the count down.

When the system is counting, press Kstart will pause the counting.

Press Kstart again to resume counting.

At any time, press KSET to enter set clock mode,

Press KMIN to set the real time clock minute.

Press KHR to set the real time clock hour.

System Reset

When KHR and KMIN is pressed simultaneously, the timer resets to 0:00.

Pre-alarm

At 10minutes, 5minutes before the alarm time, the system gives two pre-alarm signal.

Auto-off

When there is no activities for 1 minute, the system will automatically power off the LCD.

Press any key will wake up the system again.

Bonding Option

There are 3 bonding option the control the LS6022, BKEYTONE, BUP, B1519

BKEYTONE

Description

VDD

With keytone

GND

No keytone

BUP

Description

VDD

20 minute count up at end of count

GND

Stop at 0 at end of count

B1519

Description

VDD

15 Hour

GND

19 Hour