User's Manual

GSM/GPRS/GNSS Module Series

MC20 Hardware Design

MC20_Hardware_Design Confidential / Released 6 / 95

Table Index

TABLE 1: KEY FEATURES (GMS/GPRS PART OF MC20) .................................................................... 13

TABLE 2: CODING SCHEMES AND MAXIMUM NET DATA RATES OVER AIR INTERFACE ............... 15

TABLE 3: KEY FEATURES (GNSS PART OF MC20) ............................................................................. 16

TABLE 4: PROTOCOLS SUPPORTED BY THE MODULE ..................................................................... 17

TABLE 5: I/O PARAMETERS DEFINITION ............................................................................................. 21

TABLE 6: PIN DESCRIPTION ................................................................................................................. 21

TABLE 7: MULTIPLEXED FUNCTIONS .................................................................................................. 25

TABLE 8: COMPARISON BETWEEN ALL-IN-ONE AND STAND-ALONE SOLUTION ........................... 27

TABLE 9: OPERATING MODES OVERVIEW OF GSM PART ................................................................ 32

TABLE 10: DEFAULT CONFIGURATION OF FULL ON MODE (GNSS PART) ...................................... 35

TABLE 11: COMBINATION STATES OF GSM AND GNSS PARTS IN ALL-IN-ONE SOLUTION ........... 37

TABLE 12: COMBINATION STATES OF GSM AND GNSS PARTS IN STAND-ALONE SOLUTION ...... 37

TABLE 13: LOGIC LEVELS OF THE UART INTERFACE ....................................................................... 44

TABLE 14: PIN DEFINITION OF THE UART INTERFACES ................................................................... 44

TABLE 15: PIN DEFINITION OF AUDIO INTERFACE ............................................................................ 52

TABLE 16: AOUT2 OUTPUT CHARACTERISTICS ................................................................................ 53

TABLE 17: TYPICAL ELECTRET MICROPHONE CHARACTERISTICS ................................................ 57

TABLE 18: TYPICAL SPEAKER CHARACTERISTICS ........................................................................... 57

TABLE 19: PIN DEFINITION OF THE SIM INTERFACE ......................................................................... 58

TABLE 20: PIN DEFINITION OF THE ADC ............................................................................................. 61

TABLE 21: CHARACTERISTICS OF THE ADC ...................................................................................... 61

TABLE 22: BEHAVIORS OF THE RI ....................................................................................................... 61

TABLE 23: WORKING STATE OF THE NETLIGHT ................................................................................ 63

TABLE 24: PIN DEFINITION OF THE RF_ANT ...................................................................................... 66

TABLE 25: ANTENNA CABLE REQUIREMENTS ................................................................................... 67

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TABLE 26: ANTENNA REQUIREMENTS ................................................................................................ 67

TABLE 27: RF OUTPUT POWER ........................................................................................................... 67

TABLE 28: RF RECEIVING SENSITIVITY .............................................................................................. 68

TABLE 29: OPERATING FREQUENCIES ............................................................................................... 68

TABLE 30: RECOMMENDED ANTENNA SPECIFICATIONS ................................................................. 69

TABLE 31: PIN DEFINITION OF THE BT_ANT ...................................................................................... 72

TABLE 32: ABSOLUTE MAXIMUM RATINGS ........................................................................................ 74

TABLE 33: OPERATING TEMPERATURE .............................................................................................. 75

TABLE 34: POWER SUPPLY RATINGS OF GSM PART (GNSS IS POWERED OFF) ........................... 75

TABLE 35: POWER SUPPLY RATINGS OF GNSS PART ...................................................................... 76

TABLE 36: CURRENT CONSUMPTION OF GSM PART (GNSS IS POWERED OFF) .......................... 77

TABLE 37: CURRENT CONSUMPTION OF THE GNSS PART .............................................................. 79

TABLE 38: ESD ENDURANCE (TEMPERATURE: 25ºC, HUMIDITY: 45%) ........................................... 79

TABLE 39: REEL PACKAGING ............................................................................................................... 87

TABLE 40: RELATED DOCUMENTS ...................................................................................................... 88

TABLE 41: TERMS AND ABBREVIATIONS ............................................................................................ 89