NT93401-04 - NOVATEK

NT93401-04 High Feature Phone LSI

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. The device includes one touch dialing, programmable pause, flash, auto redial and real time clock function, and more. 1 V1.0 Free Datasheet http://ww.

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.