NT93403-05x - Multi-Feature Phone LSI

Description

NT93403-05X is a CMOS, silicon integrated circuit designed for multi-feature phones.

This LSI provides the following functions: one-touch/abbreviated dialing, message function, redial, programmable flash, pause, lock, password, key-in tone, hold, and mute.

Features

4-bit CMOS n The NT93403-05X is a multi-feature tone/pulse dialer based on a CMOS 4-bit single chip microcomputer with 5120 X 10 bit ROM and 1204 X 4 bit RAM capacity n Built-in LCD driver and direct interface with 16digit LCD display Dialing n Dialing parameters are set by external diodes and the SELECT pin n Built-in high-precision dual-tone multi-frequency (DTMF) generator and on-chip pulse dialer n Switchable tone/pulse dialing n Dialing speeds of 10 or 20 pps and Make/Break Ratio of 40/60 o.

NOVATEK

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Datasheet Details

Part number	NT93403-05x
Manufacturer	NOVATEK
File Size	430.12 KB
Description	Multi-Feature Phone LSI
Datasheet	NT93403-05x Datasheet
Additional preview pages of the NT93403-05x datasheet.

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Full PDF Text Transcription

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NT93403-05x PRELIMINARY Multi-Feature Phone LSI With LCD Driver Features 4-bit CMOS n The NT93403-05X is a multi-feature tone/pulse dialer based on a CMOS 4-bit single chip microcomputer with 5120 X 10 bit ROM and 1204 X 4 bit RAM capacity n Built-in LCD driver and direct interface with 16digit LCD display Dialing n Dialing parameters are set by external diodes and the SELECT pin n Built-in high-precision dual-tone multi-frequency (DTMF) generator and on-chip pulse dialer n Switchable tone/pulse dialing n Dialing speeds of 10 or 20 pps and Make/Break Ratio of 40/60 or 33/67 n Normal or Sweden/Denmark modes for number of pulses selectable n Minimum DTMFsignal duration/separation guaranteed n Chain dialing n Manual dialing will execute as many digits as entered n Redial function (up to 48

Published: Oct 5, 2014 |