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CMX7241 Datasheet(PDF) 6 Page - CML Microcircuits

Part # CMX7241
Description  Voice processing
Download  94 Pages
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Manufacturer  CMLMICRO [CML Microcircuits]
Direct Link  http://www.cmlmicro.com
Logo CMLMICRO - CML Microcircuits

CMX7241 Datasheet(HTML) 6 Page - CML Microcircuits

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PMR Common Platform Processor
CMX7241/CMX7341
 2015 CML Microsystems Plc
Page 6
D/7241_7341_FI1.x/4
Figure 6 CMX7241/CMX994 Interface.......................................................................................... 18
Figure 7 CMX7341/CMX994 Interface.......................................................................................... 18
Figure 8 CMX618/CMX7262 Vocoder Connection ....................................................................... 23
Figure 9 CMX6x8/CMX7262 and CMX994 ................................................................................... 23
Figure 10 CMX608 Vocoder Connection ...................................................................................... 24
Figure 11 DVSI Vocoder Connection ............................................................................................ 24
Figure 12 CMX994 and DVSI Vocoder Connection...................................................................... 25
Figure 13 RSSI in I/Q Mode ........................................................................................................ 26
Figure 14 4FSK PRBS Waveform - Modulation............................................................................ 27
Figure 15 4FSK PRBS Waveform - Spectrum .............................................................................. 28
Figure 16 dPMR Modulation Characteristics ................................................................................ 29
Figure 17 Internal dPMR Data Processing Blocks........................................................................ 30
Figure 18 Additional Internal Data Processing in I/Q Mode .......................................................... 30
Figure 19 FS Detection ................................................................................................................. 33
Figure 20 C-BUS Transactions ..................................................................................................... 38
Figure 21 FI Loading from Host .................................................................................................... 41
Figure 22 FI Loading (including CMX7262) .................................................................................. 43
Figure 23 Digital Voice Rx and Tx Blocks..................................................................................... 45
Figure 24 Tx Sequencer Delay Timers ......................................................................................... 51
Figure 25 Block ID......................................................................................................................... 55
Figure 26 Traffic Channel Data Formats....................................................................................... 55
Figure 27 Beacon Channel Data Formats .................................................................................... 56
Figure 28 Type-3 Data Formats ................................................................................................. 57
Figure 29 Tx Data Flow................................................................................................................. 60
Figure 30 Rx Data Flow ................................................................................................................ 62
Figure 31 Tx Level Adjustments ................................................................................................... 64
Figure 32 Rx Level Adjustments ................................................................................................... 65
Figure 33 Rx Audio Response ................................................................................................... 66
Figure 34 Tx Audio Response ................................................................................................... 66
Figure 35 CTCSS and DCS filters .............................................................................................. 67
Figure 36 Modulating Waveforms for 1200 MSK/FFSK Signals ............................................. 70
Figure 37 AuxADC IRQ Operation ................................................................................................ 76
Figure 38 Digital Clock Generation Schemes ............................................................................... 77
Figure 39 Tx Levels....................................................................................................................... 79
Figure 40 Rx Levels (LD mode) .................................................................................................... 79
Figure 41 Tx Modulation Spectra
– 4.8kbps ................................................................................. 80
Figure 42 C-BUS Timing ............................................................................................................... 91
Figure 43 Mechanical Outline of 48-lead VQFN (Q3) ................................................................... 93
Figure 44 Mechanical Outline of 48-pin LQFP (L4) ...................................................................... 93


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