• Part: CMX881
  • Manufacturer: CML
  • Size: 1.16 MB
Download CMX881 Datasheet PDF
CMX881 page 2
Page 2
CMX881 page 3
Page 3

CMX881 Key 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

CMX881 Description

CMX881, a full-function half-duplex audio and signalling processor IC for both PMR and Trunked radio systems suitable for 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 and audio routing and global level setting with single or two-point modulation in the transmit path.