MT90812
MT90812 Description
64 X 64 channels Multi-Featured Integrated Digital Switch (IDX) with Conferencing, DTMF and FSK Tone Generation for SOHO and PBX Systems
MT90812 Vendor
Zarlink Semiconductor
MT90812 Categories
MT90812 Features
  • 192 channel x 192 channel non-blocking switching
  • 2 local bus streams at 2Mbps supports up to 64 channels
  • In TDM mode, the expansion bus supports up to 128 channels at 8.192 Mbps
  • Rate conversion capability between local and expansion bus streams
  • Integrated
MT90812 Applications
    • Computer Telephony Integration (CTI)
    • Key Telephone Systems
    • Private Branch Exchange (PBX) Systems
MT90812 Description
    The MT90812 provides non-blocking timeslot interchange capability for B, C and D channels, up to a maximum of 192 channels. It offers conference call capability for 15 parties over a maximum of 5 conference bridges. With its integrated PLL, the MT90812 provides the necessary clocks to support peripheral devices, such as codecs or interconnected IDX devices. Integrated into the IDX is the capability to detect supervisory signalling and to generate FSK 1200-baud signals. In addition, an integrated digital tone generator produces continuous dual tones, including standard DTMF.
MT90812 Datasheet and Application Notes

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