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CMX882 参数 Datasheet PDF下载

CMX882图片预览
型号: CMX882
PDF下载: 下载PDF文件 查看货源
内容描述: 基带处理器的休闲收音机数据 [Baseband Processor for Leisure Radios with Data]
分类和应用:
文件页数/大小: 70 页 / 997 K
品牌: CMLMICRO [ CML MICROCIRCUITS ]
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CML Microcircuits
COMMUNICATION SEMICONDUCTORS
CMX882
Baseband Processor for
‘Leisure’ Radios with Data
Provisional Issue
D/882/7 March 2004
Full-Feature Audio-Processing, Signalling and GPS Data for
Half Duplex FRS, MURS, PMR44 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
Selectable voice companding
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 DCS codecs
Zero ‘talk down’ CTCSS decoder performance
prevents dropouts
‘All call code’ and ‘monitor’ modes for CTCSS
Audio scrambling
Robust Half Duplex FFSK/MSK modem,
1200/2400 bps, gets data through when signal
is too degraded for voice – for text
messaging/paging, location transfer, etc.
applications.
XTCSS channel and data signalling
Robust automatic packet data protocol with:
Error correction and detection, Interleaving
and data scrambling/privacy coding.
2004 CML Microsystems Plc