23-MEMORY TONE/PULSE DIALER WITH AUTOREDIAL REC AND LCD DISPLAY FUNCTIONS

GENERAL DESCRIPTION The W91570DN series ICs are Si-gate CMOS ICs that provide the signals needed for either pulse or tone dialing. They feature 23 number memories and a 16-digit LCD driver for displaying telephone numbers and calling time. A real time clock is included to display the time of day.

32-bit RISC, load/store architecture, 5-stage pipeline

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