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NT91214 Datasheet - Novatek

NT91214 - Tone / Pulse Dialer

The NT91214/15 is a single-chip, silicon gate, CMOS integrated circuit with an on-chip oscillator for a 3.58MHz crystal or ceramic resonator.

It provides a dialing pulse (DP) or dual tone multi-frequency (DTMF) dialing.

A standard 4 x 4 matrix keyboard can be used to support either DP or DTMF modes.

NT91214 Features

* T One touch redial operation T Tone/Pulse switchable T 32 digit capacity for redialing T Automatic mixed redialing (last number redial) of pulse T PABX auto-pause is 2.2 seconds T DTMF Timing: T to DTMF with multiple automatic access pauses Manual dialing: minimum duration for bursts and pauses Red

NT91214_Novatek.pdf

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Datasheet Details

Part number:

NT91214

Manufacturer:

Novatek

File Size:

258.90 KB

Description:

Tone / pulse dialer.

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