GENERAL DESCRIPTION

EM32117 is a CMOS 16-digit LCD panel driver. The EM32117 can receive dialing information such as dialing digits, Pause, Flash, Pulse to Tone mode from EMC EM91465 series dialer IC and display the corresponding pattern on the LCD panel. The EM32117 also supports various indicators such as the icons of STORE, SAVE, Speaker phone (or Hand-Free), Lower or Upper page, Hold, etc. to support high-end feature phone applications. The EM32117 can operate in stand-alone mode to display calendar and real time clock, conversation time (stopwatch). The EM32117 also provides check the last conversation time function.

FEATURES

• ON-HOOK check last conversation time function.

• General flag display function for LOGO indication.

• Low power consumption: 1.5µA (max.)

• Uses single clock 32768 Hz crystal (with built-in capacitor, no need extra capacitor).

• LCD blank 2 sec after OFF-HOOK, to protect the STW data.

• Built-in serial data interface (compatiable with EM91465 series).

• Driver for 4.5-volt, 16-digit, 1/4 duty , 1/3 bias LCD panel with built-in voltage tripler circuit.

• Display dialing phone number.

• Display calendar and real time clock (RTC) in 12 hour or 24 hour format.

• Stopwatch function for counting conversation time up to 59 minutes 59 seconds.

• Operating voltage: 1.5 VDC ( typical )

• Dice form, QFP 80 pin package, and LCM (Liquid Crystal display Module) are available.

APPLICATION

• LCD Feature phone and Digital display system.