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CMX882
Baseband Processor for ‘Leisure’ Radios with Data
D/882/18 April 2009
Full-Feature Audio-Processing, Signalling and GPS Data for Half Duplex FRS, MURS, PMR446 and GMRS ‘Leisure’ Radios
Features
• Automatic signal type scanning and IRQ on detection of valid Rx signals, level or RSSI
• Tone generator for caller recognition tunes • Programmable power down control • Programmable signal detection thresholds • Low Power operation with Zero Power mode • Uncommitted Aux ADC with switchable input
to monitor signals • Silent operation by removal of unwanted calls
• Voice processing facilities, including Tx and Rx gain setting and voice/subaudio filtering
• C-BUS serial host interface • RF interface allowing 1 or 2 point modulation • Programmable soft limiter • Enhanced CTCSS and 23/24 bit