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SI2439 - V.92 AND V.34 ISOMODEM

General Description

The Si2494/39 ISOmodem is a full-featured ITU V.92/V.34-compliant modem that provides connect rates of up to 56 kbps, full-duplex, over the public switched telephone network (PSTN).

Key Features

  • Data modem formats.
  • ITU-T, Bell.
  • 300 bps up to 56 kbps.
  • V.21,V.22, V.29 Fast Connect.
  • V.44, V.42, V.42bis, MNP2-5.
  • Automatic rate negotiation.
  • V.92 PCM upstream.
  • V.92 Quick connect.
  • V.92 Modem on hold.
  • Type I and II caller ID decode.
  • No external ROM or RAM required.
  • UART, SPI, or parallel interface.
  • Flexible clock options.
  • Low-cost 32.768 kHz oscillator.
  • 4.915 MHz oscillator.
  • 27 MHz clock input.
  • Integrated DAA.

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Full PDF Text Transcription for SI2439 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for SI2439. For precise diagrams, and layout, please refer to the original PDF.

Si2494/39 V. 9 2 AND V. 3 4 I S O MODEM® WITH G LOBAL D A A Features  Data modem formats ITU-T, Bell 300 bps up to 56 kbps V.21,V.22, V.29 Fast Connect V.44, V.4...

View more extracted text
ell 300 bps up to 56 kbps V.21,V.22, V.29 Fast Connect V.44, V.42, V.42bis, MNP2-5 Automatic rate negotiation V.92 PCM upstream V.92 Quick connect V.92 Modem on hold  Type I and II caller ID decode  No external ROM or RAM required  UART, SPI, or parallel interface  Flexible clock options Low-cost 32.768 kHz oscillator 4.

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