LSI

LS6042

4 Digit Watch

Features

* 4 digit (HH:MM) LCD display

* 24 dot for second display

* Hour:Minute display

* Month Date weekday display

* Alarm with Chime

* Dual time display

* 3 keys operation

* Auto Chime (8am-11pm only)

* 12/24Hour display

* 1/2 bias 1/3 duty LCD format

* Very low power consumption

* 32768 Crystal oscillator

* Single 1.5V operation.

General Description

The LS6042 is a 4 digit LCD watch I.C. with Hour:Minute display.

It also has 24 dots for second

animation. It support 12H/24 H display format and has a time alarm and hourly chime function.

The

dual time display is selected by bonding option.

It has 3 keys operation : KMODE, KSET, KAUX.

There are many bonding option which suits for different application.

Bonding Options

BSTYPE1

BSTYPE0

Description

VDD or floating

VDD or floating

Second display type 1

VDD or floating

GND

Second display type 2

GND

VDD or floating

Second display type 3

BMTYPE1

BMTYPE0

Description

VDD or floating

VDD or floating

Normal

VDD or floating

GND

Inverted

GND

XXX

Switch to inverted/non-inverted every minute

BDT

Description

VDD or floating

With Dual time

GND

Without Dual time

BRET1

BRET0

Description

VDD or floating

VDD or floating

Return to Clock mode after 3-4 second

VDD or floating

GND

Return to Clock mode except Date mode after 3-4 sec.

GND

XXX

Do not return to Clock mode