Datasheet Summary
E2A0030-16-X1
¡ Semiconductor MSM7715
¡ Semiconductor Multi-Function Telemunication LSI
This version: Jan. 1998 MSM7715 Previous version: Nov. 1996
GENERAL DESCRIPTION
The MSM7715 is a signal transmitting and receiving LSI device for applications such as telemeters. The MSM7715 uses a no-ringing munication mode. Built-in functions includes a 300 bps full-duplex modem plying with ITU-T V.21, a DTMF signal (PB signal) generator and receiver, and a call progress tone (CPT) detector. The answer tone (1650 Hz) generation can be acplished with the built-in modem. A meter terminal can be configured using this transmitting and receiving device along with the meter, NCU, and...