CMX882 Description
CMX882, a full-function half-duplex audio and signalling processor IC for FRS and PMR446 type facilities suitable for both plex 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, pression and expansion and audio routing and global level setting with single or two-point modulation in the transmit path.
CMX882 Applications
- Robust automatic packet data protocol with: Error correction and detection, Interleaving and data scrambling/privacy coding