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CMX881 - Baseband Processor

Datasheet Summary

Description

CMX881, a full-function half-duplex audio and signalling processor IC for both PMR and Trunked radio systems suitable for complex and simple end-designs.

Features

  • Automatic signal type scanning and IRQ on detection of valid Rx signals, level or RSSI.
  • Voice processing facilities, including Tx and Rx gain setting and voice/subaudio filtering.
  • Tone generator for caller recognition tunes.
  • C-BUS serial host interface.
  • Programmable powerdown control.
  • RF interface allowing 1 or 2 point modulation.
  • Programmable signal detection thresholds.
  • Programmable soft limiter.
  • Low Pow.

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Datasheet preview – CMX881

Datasheet Details

Part number CMX881
Manufacturer CML
File Size 1.16 MB
Description Baseband Processor
Datasheet download datasheet CMX881 Datasheet
Additional preview pages of the CMX881 datasheet.

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Full PDF Text Transcription

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CMX881 Baseband Processor for PMR and Trunked Radios D/881/17 April 2009 Full-Feature Audio-Processing, Signalling and Data for Half Duplex Dual-Mode Analogue PMR and Trunked Radios Features • Automatic signal type scanning and IRQ on detection of valid Rx signals, level or RSSI • Voice processing facilities, including Tx and Rx gain setting and voice/subaudio filtering • Tone generator for caller recognition tunes • C-BUS serial host interface • Programmable powerdown control • RF interface allowing 1 or 2 point modulation • Programmable signal detection thresholds • Programmable soft limiter • Low Power operation with ‘Zero Power’ mode • Programmable Selcall Codec • Uncommitted Aux ADC with switchable input to monitor signals • Zero ‘Talkdown’ CTCSS decoder performance preve
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