GENERAL DESCRIPTION(EM91465D datasheet and pdf download)

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GENERAL DESCRIPTION(EM91465D datasheet and pdf download)
The EM91465  is a series of tone/pulse switchable dialers that is composed of  T/P dialer and T/P dialer with 13 set memories. The EM91465 provide modern LCD driver's series data output port, which can display modern function operating icons. The EM91465 series provide necessary functions of telephone set for application in any environment, such as Pulse dialing, Tone (DTMF) dialing, Handfree dialing, keying tone ,and lock functions.The lock function is designed to inhibit toll dialing operation. Beside this, ring detector and SDO (Serial Data Output) functions are provided in advance version. Ring detector can prevent illegal dialing from pocket dialer.The SDO is designed to drive LCD driver and voice synthesizer. In this application, the dialing numbers and modern function operating icons can be displayed on LCD  screen with LCD driver ( EM32100 or EM32117 ). The EM91465 has a special I.P.P. detect function (Illegal  Parallel Phone Detect) can prevent the illegal connect
external Phone. The I.P.P. will detect the illegal user. When illegal user pickup phone, the function will alarm and send the alarm signal to  the telephone line to interfer the illegal dialing.

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