MSM7715 Datasheet - OKI electronic componets

MSM7715 Multi-Function Telecommunication LSI

The MSM7715 is a signal transmitting and receiving LSI device for applications such as telemeters. The MSM7715 uses a no-ringing communication mode. Built-in functions includes a 300 bps full-duplex modem complying with ITU-T V.21, a DTMF signal (PB signal) generator and receiver, and a call progres.

MSM7715 Features

* 3 V power supply. (Voltage range is 2.5 V to 3.6 V.)

* Selectable modes, including DTMF signal sending mode, DTMF signal receiving mode, and V.21 modem answer/originate mode.

* For DTMF signal reception, support for normal detection mode or high-speed detection mode.

MSM7715_OKIelectroniccomponets.pdf