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MSM7715 - Multi-Function Telecommunication LSI

General Description

The MSM7715 is a signal transmitting and receiving LSI device for applications such as telemeters.

The MSM7715 uses a no-ringing communication mode.

Key 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.
  • For call progress tone detection, support for rectangular wave output or detection output.
  • DTMF signal receiving output, which is in a 3-state mode, is able to be connected externally wi.

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Datasheet Details

Part number MSM7715
Manufacturer OKI Electric
File Size 150.40 KB
Description Multi-Function Telecommunication LSI
Datasheet download datasheet MSM7715 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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E2A0030-16-X1 ¡ Semiconductor MSM7715 ¡ Semiconductor Multi-Function Telecommunication 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 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 progress tone (CPT) detector. The answer tone (1650 Hz) generation can be accomplished with the built-in modem. A meter terminal can be configured using this transmitting and receiving device along with the meter, NCU, and controller. FEATURES • 3 V power supply. (Voltage range is 2.5 V to 3.6 V.