CMX881 Datasheet (CML) - Baseband Processor

CMX881, Baseband Processor

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.

Under the control of the host µC, all voiceband requirements are catered for: voiceband and sub-audio filtering, pre/de-emphasis and audio routing

CMX881 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