CMX7031

CMX7031/CMX7041 CML Microcircuits The Two-Way Radio COMMUNICATION SEMICONDUCTORS Processor D/7031/41_FI1.x/13 July 2013 DATASHEET Provisional Issue 7031/7041 FI-1.5: Baseband Audio and Data Processor with Auxiliary System Clocks, ADCs and DACs for use in Analogue Radio Systems Features  Concurrent Audio/Signalling/Data Operations  Full Audio-band Processing: Pre and De-emphasis, Compandor, Scrambler and Selectable 2.55/3.0 kHz Filters  2 x RF Synthesisers (CMX7031 only)  Inband Signalling: Selcall, DTMF, NOAA NWR  3 x Analogue Inputs (Mic or Discriminator)  2 x Auxiliary ADCs and 4 x Auxiliary DACs  C-BUS Serial Interface to Host µController  Low-power (3.0V to 3.6V) Operation  Available in 64-pin, 48-pin LQFP and VQFN Packages  Selectable Audio Processing Order  MSK/FFSK Data Modem with Packet or Freeformat Modes with FEC, CRC, Interleaving and Scrambling  Enhanced DSC Modem for Marine Applications, offering support for DSC expansion sequences and transmission of continuous distress signals  Sub-Audio Signalling: CTCSS, DCS, XTCSS  Tx Outputs for Single, Two-Point or I/Q Mod.  559bps PSK Modulator  2 x Auxiliary System Clock Outputs  Flexible Powersave Modes DAC outputs ADC inputs 3.0V to 3.6V Modulator Discriminator RF RF Synthesiser 1 RF Synthesiser 2 CMX7031 only GPIO System Clock 1 System Clock 2 Reference Clock CMX7031 / CMX7041 The Two-Way Radio Processor Built on FirmASIC® technology C-BUS Host µC This document contains: Datasheet ...