EM91203A EMC [ELAN Microelectronics Corp], EM91203A Datasheet

EM91203A

Manufacturer Part Number

EM91203A

Description

TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE

Manufacturer

EMC [ELAN Microelectronics Corp]

Datasheet

1.EM91203A.pdf (19 pages)

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GENERAL DESCRIPTION

FEATURES

ORDERING INFORMATION

Versions list

* This specification are subject to be changed without notice.

VERSION

EM91203A

EM91203B

EM91203C

The EM91203 is a series of tone/pulse switchable dialers that is composed of T/P dialer and T/P dialer with

3 sets memories. The EM91203 series provides necessary functions of telephone set for application in any

environment, such as Pulse dialing, Tone (DTMF) dialing, Handfree dialing, keying tone , mute and pulse mute

functions. Beside this, SDO (Serial Data Output) functions is provided in advance version that is designed to

drive LCD driver and voice synthesizer. In this application, the dialing numbers can be displayed on LCD screen

with EM32100 ( or EM32116 ).

• Tone/Pulse switchable.

•

• Adding resistor on keyboard scan pin that can select many telephone specifications, such as : Pulse rate,

• SDO function supports LCD driver and voice synthesizer to indicate dialing numbers.

• Handfree function provides on-hook dialing and speakerphone application.

• 3-set one touch repertory memory, each one can store data up to 16 digits.

• A 32-digit LNB (last number) redial memory.

• A 32-digit SAVE redial memory.

• Keytone function provides rapidly keying recognition.

• Pulse mute function supports pulse dialing application.

• Using 3.579545 MHz crystal or ceramic resonator.

• Package forms: PDIP, skinny.

Wide operating voltage from 2.0 V to 5.5 V.

Low operating current, 0.15 mA (Pulse) and 0.3 mA (Tone) typically.

M/B ratio, Flash time, Pause time, P-T wait time and keyboard type.

LNB

TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE

SAVE

TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE

SDO(LCD)

PMUTE

EM91203 SERIES

10.1.1997

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