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CMX8341 Datasheet(PDF) 4 Page - CML Microcircuits

Part # CMX8341
Description  RALCWI Vocoder
Download  70 Pages
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Manufacturer  CMLMICRO [CML Microcircuits]
Direct Link  http://www.cmlmicro.com
Logo CMLMICRO - CML Microcircuits

CMX8341 Datasheet(HTML) 4 Page - CML Microcircuits

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Digital PMR (dPMR) Baseband Processor
CMX8341
 2014 CML Microsystems Plc
4
D/8341/7
8.4.3
Signal Routing ......................................................................................... 38
8.4.4
Modem Control........................................................................................ 38
8.5
dPMR Formatted Operation .......................................................................... 39
8.5.1
Tx Mode .................................................................................................. 40
8.5.2
Tx Mode (PRBS) ..................................................................................... 40
8.5.3
Rx Mode .................................................................................................. 42
8.5.4
Rx Mode Eye........................................................................................... 43
8.5.5
Rx Mode Pass-through ........................................................................... 44
8.5.6
Sync Mode .............................................................................................. 44
8.5.7
Reset/Abort ............................................................................................. 44
8.5.8
Data Transfer .......................................................................................... 44
8.5.9
Vocoder Section
– Pass-through Mode .................................................. 45
8.5.10 Vocoder Section
– Noise Gate................................................................ 45
8.5.11 dPMR Operating Modes and Addressing................................................ 46
8.5.12 ISF Addressing........................................................................................ 46
8.5.13 CSF Addressing ...................................................................................... 47
8.5.14 Tx Mode (dPMR formatted) .................................................................... 47
8.5.15 Rx Mode (dPMR formatted) .................................................................... 49
8.5.16 Slow Data ................................................................................................ 50
8.6
Analogue Mode.............................................................................................. 51
8.6.1
Tx Mode Analogue .................................................................................. 51
8.6.2
Rx Mode Analogue.................................................................................. 51
8.7
Squelch Operation ......................................................................................... 51
8.8
GPIO Pin Operation....................................................................................... 51
8.9
Auxiliary ADC Operation ................................................................................ 52
8.10
Auxiliary DAC/RAMDAC Operation ............................................................... 52
8.11
Digital System Clock Generators................................................................... 53
8.11.1 Main Clock Operation.............................................................................. 54
8.11.2 System Clock Operation ......................................................................... 54
8.12
Signal Level Optimisation .............................................................................. 54
8.12.1 Transmit Path Levels .............................................................................. 54
8.12.2 Receive Path Levels................................................................................ 55
8.13
Tx Spectrum Plots ......................................................................................... 56
8.14
C-BUS Register Summary............................................................................. 58
9
Performance Specification ................................................................................ 59
9.1
Electrical Performance .................................................................................. 59
9.1.1
Absolute Maximum Ratings .................................................................... 59
9.1.2
Operating Limits ...................................................................................... 59
9.1.3
Operating Characteristics........................................................................ 60
9.1.4
Parametric Performance ......................................................................... 66
9.2
Operating Characteristics
– Timing Diagrams............................................... 68
9.2.1
C-BUS Timing ......................................................................................... 68
9.3
Packaging ...................................................................................................... 69


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