AS2590 Datasheet Lc Display Driver With 18 Digits/ 6 Symbols And Clock/timer

Manufacturer: austriamicrosystems AG

Overview: Data Sheet AS2590 ® Austria Mikro Systeme International LC DISPLAY DRIVER WITH 18 DIGITS, 6 SYMBOLS AND.

Datasheet Details

Part number	AS2590
Manufacturer	austriamicrosystems AG
File Size	78.67 KB
Description	LC DISPLAY DRIVER WITH 18 DIGITS/ 6 SYMBOLS AND CLOCK/TIMER
Datasheet	AS2590_austriamicrosystemsAG.pdf

General Description

The AS2590 is an integrated CMOS device for driving a liquid crystal display intended for use in telephones.

The 2-wire serial interface is compatible to the dialler AS2574B.

The extreme low operating current allows the circuit to be operational also during on-hook which is necessary in order to the use of the clock function.

Key Features

u Very low operating current, typ. 30 µA @ 3V u Low power oscillator using 32.768 kHz Xtal u 2-wire interface compatible to AS2574B u 18 digits by 7 segments u 6 symbols u 24 hour clock showing hours and minutes u Timer automatically showing elapsed time in minutes and seconds after each telephone conversation u 33 LCD segment outputs and 4 LCD backplane outputs u 4 times multiplex mode with a cycle time of 128 Hz u Mode select pin for selecting clock function Package Available in 48 pin DIP an.

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