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.
CMX881-CML.pdf
