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MSM7715 Datasheet Multi-function Telecommunication Lsi

Manufacturer: OKI Electric

Overview: E2A0030-16-X1 ¡ Semiconductor MSM7715 ¡ Semiconductor Multi-Function Telemunication LSI This version: Jan. 1998 MSM7715 Previous version: Nov.

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.

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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