Quectel M50, Проектирование аппаратного обеспечения

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M50Hardware Design
M50_HD_V2.0 - 5 -
Table Index
TABLE 1: RELATED DOCUMENTS ..................................................................................................... 9
TABLE 2: TERMS AND ABBREVIATIONS........................................................................................ 10
TABLE 3: MODULE KEY FEATURES ................................................................................................ 15
TABLE 4: CODING SCHEMES AND MAXIMUM NET DATA RATES OVER AIR INTERFACE .. 17
TABLE 5: M50 PIN ASSIGNMENT ..................................................................................................... 21
TABLE 6: PIN DESCRIPTION ............................................................................................................. 22
TABLE 7: OVERVIEW OF OPERATING MODES.............................................................................. 29
TABLE 8: PIN DEFINITION OF THE CHARGING ............................................................................ 38
TABLE 9: SUMMARY OF STATE TRANSITION ............................................................................... 39
TABLE 10: LOGIC LEVELS OF THE UART INTERFACES.............................................................. 42
TABLE 11: PIN DEFINITION OF THE UART INTERFACES ............................................................ 42
TABLE 12: PIN DEFINITION OF AUDIO INTERFACES .................................................................. 50
TABLE 13: AOUT3 OUTPUT CHARACTERISTICS .......................................................................... 51
TABLE 14: TYPICAL ELECTRET MICROPHONE CHARACTERISTICS ....................................... 55
TABLE 15: TYPICAL SPEAKER CHARACTERISTICS .................................................................... 55
TABLE 16: PIN DEFINITION OF THE SIM INTERFACE ................................................................. 56
TABLE 17: PIN DESCRIPTION OF AMPHENOL SIM CARD HOLDER ......................................... 58
TABLE 18: PIN DESCRIPTION OF MOLEX SIM CARD HOLDER ................................................. 59
TABLE 19: PIN DEFINITION OF THE SD CARD INTERFACE ....................................................... 60
TABLE 20: PIN NAME OF THE SD CARD AND MICRO SD CARD ............................................... 61
TABLE 21: PIN DEFINITION OF PCM INTERFACE......................................................................... 62
TABLE 22: CONFIGURATION ............................................................................................................ 62
TABLE 23: QPCMON COMMAND DESCRIPTION .......................................................................... 65
TABLE 24: QPCMVOL COMMAND DESCRIPTION ........................................................................ 65
TABLE 25: PIN DEFINITION OF THE ADC....................................................................................... 66
TABLE 26: CHARACTERISTICS OF THE ADC ................................................................................ 66
TABLE 27: BEHAVIORS OF THE RI .................................................................................................. 66
TABLE 28: WORKING STATE OF THE NETLIGHT ......................................................................... 69
TABLE 29: PIN DEFINITION OF THE STATUS................................................................................. 69
TABLE 30: PIN DEFINITION OF THE RF_ANT ................................................................................ 71
TABLE 31: THE MODULE CONDUCTED RF OUTPUT POWER .................................................... 72
TABLE 32: THE MODULE CONDUCTED RF RECEIVING SENSITIVITY .................................... 72
TABLE 33: THE MODULE OPERATING FREQUENCIES ................................................................ 72
TABLE 34: ABSOLUTE MAXIMUM RATINGS................................................................................. 74
TABLE 35: OPERATING TEMPERATURE ......................................................................................... 74
TABLE 36: THE MODULE POWER SUPPLY RATINGS ................................................................... 75
TABLE 37: THE MODULE CURRENT CONSUMPTION .................................................................. 76
TABLE 38: THE ESD ENDURANCE (TEMPERATURE:25
℃
,HUMIDITY:45 %)............................ 78
TABLE 39: DESCRIPTION OF DIFFERENT CODING SCHEMES .................................................. 87
TABLE 40: GPRS MULTI-SLOT CLASSES ........................................................................................ 88
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