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NT93401-04 - High Feature Phone LSI

Description

NT93401-04 is a CMOS, silicon integrated circuit designed for high feature phones with a high-precision dual tone multi-frequency (DTMF) circuit, LCD driver/ controller, and a 32 KHz watch oscillator circuit.

Features

  • T High feature phone LSI based on a CMOS 4-bit single chip microcomputer with 4096 x 10 bit ROM and 1024 x 4 bit RAM capacity T Built-in DTMF generator and on-chip pulse dialer T Bank key function T 30 or 40 memory locations by pin selection T Auto-start watch T Restriction dialing T If.

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Datasheet Details

Part number NT93401-04
Manufacturer NOVATEK
File Size 697.36 KB
Description High Feature Phone LSI
Datasheet download datasheet NT93401-04 Datasheet
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Full PDF Text Transcription

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NT93401-04 High Feature Phone LSI Features T High feature phone LSI based on a CMOS 4-bit single chip microcomputer with 4096 x 10 bit ROM and 1024 x 4 bit RAM capacity T Built-in DTMF generator and on-chip pulse dialer T Bank key function T 30 or 40 memory locations by pin selection T Auto-start watch T Restriction dialing T If RESENABL pin is logic low, the restriction number 0 is given T Chain dialing T Manual dial as many digits as entered T Redial function (up to 48 digits) T One touch auto dialing (up to 30/40 locations and up to 24/18 digits each) T Abbreviated auto dialing (up to 30/40 locations and up to 24/18 digits each) T Mixture of one touch and abbreviated auto dialing (use the same memory space) T Switchable tone and pulse dialing T Dial speed of 10 pps T Low battery power
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