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    CMX7141L4 参数 Datasheet PDF下载

    CMX7141L4图片预览
    型号： CMX7141L4
    PDF下载： 下载PDF文件 查看货源
    内容描述： [Microprocessor, 4MHz, CMOS, PQFP48, LQFP-48]
    分类和应用： 时钟外围集成电路
    文件页数/大小： 74 页 / 4034 K
    品牌： CMLMICRO [ CML MICROCIRCUITS ]
     浏览型号CMX7141L4的Datasheet PDF文件第1页浏览型号CMX7141L4的Datasheet PDF文件第2页浏览型号CMX7141L4的Datasheet PDF文件第3页浏览型号CMX7141L4的Datasheet PDF文件第4页浏览型号CMX7141L4的Datasheet PDF文件第6页浏览型号CMX7141L4的Datasheet PDF文件第7页浏览型号CMX7141L4的Datasheet PDF文件第8页浏览型号CMX7141L4的Datasheet PDF文件第9页  
    Digital PMR Radio Processor
    CMX7131/CMX7141
    Table 7 NXDN Frame Format – Data Burst Operation ................................................................. 27
    Table 8 Frame Types .................................................................................................................... 29
    Table 9 Xtal/Clock Frequency Settings for Program Block 3 ........................................................ 30
    Table 10 BOOTEN Pin States ....................................................................................................... 32
    Table 11 NXDN Standard Vocoder Connections .......................................................................... 36
    Table 12 Modem Mode Selection ................................................................................................. 39
    Table 13 Modem Control Selection ............................................................................................... 39
    Table 14 C-BUS Data Registers ................................................................................................... 48
    Table 15 RxData 0/TxData 0 Block ID settings ............................................................................. 49
    Table 16 C-BUS Registers ............................................................................................................ 61
    Figure
    Page
    Figure 1 CMX7141 Block Diagram .................................................................................................. 7
    Figure 2 CMX7141 Recommended External Components ........................................................... 11
    Figure 3 CMX7131 Recommended External Components ........................................................... 12
    Figure 4 CMX7141 Power Supply and Decoupling ....................................................................... 14
    Figure 5 CMX7131 Power Supply and Decoupling ....................................................................... 15
    Figure 6 CMX994 Interface ........................................................................................................... 16
    Figure 7 NXDN Vocoder Connection ............................................................................................ 20
    Figure 8 RSSI in I/Q Mode ............................................................................................................ 22
    Figure 9 4-FSK PRBS Waveform – Modulation ............................................................................ 23
    Figure 10 4-FSK PRBS Waveform – Spectrum ............................................................................ 23
    Figure 11 Modulation Characteristics ............................................................................................ 24
    Figure 12 Internal Data Blocks (LD Mode) .................................................................................... 25
    Figure 13 Additional Internal Data Processing in I/Q Mode .......................................................... 25
    Figure 14 FS Detection ................................................................................................................. 28
    Figure 15 C-BUS Transactions ..................................................................................................... 31
    Figure 16 FI Loading from Host .................................................................................................... 34
    Figure 17 FI Loading from Serial Memory..................................................................................... 35
    2
    Figure 18 I S Mode Support .......................................................................................................... 36
    Figure 19 Tx Data Flow ................................................................................................................. 43
    Figure 20 Automatic Tx Sequencer............................................................................................... 44
    Figure 21 Frequency Response for Rx Pass-through Mode ......................................................... 45
    Figure 22 Rx Data Flow................................................................................................................. 52
    Figure 23 AuxADC IRQ Operation ................................................................................................ 54
    Figure 24 Example RF Synthesiser Components ......................................................................... 55
    Figure 25 Single RF Synthesiser Block Diagram .......................................................................... 56
    Figure 26 Digital Clock Generation Schemes ............................................................................... 58
    Figure 27 Tx Modulation Spectra - 4800bps ................................................................................. 60
    Figure 28 C-BUS Timing ............................................................................................................... 71
    Figure 29 Mechanical Outline of 64-pin VQFN (Q1) ..................................................................... 72
    Figure 30 Mechanical Outline of 64-pin LQFP (L9) ....................................................................... 72
    Figure 31 Mechanical Outline of 48-pin VQFN (Q3) ..................................................................... 73
    Figure 32 Mechanical Outline of 48-pin LQFP (L4) ....................................................................... 73
    Information in this datasheet should not be relied upon for final product design. It is always recommended
    that you check for the latest product datasheet version from the CML website: [www.cmlmicro.com].
    2014 CML Microsystems Plc
    Page 5
    D/7141_FI-3.x/6

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