User's Manual

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GSM/GPRS Module Series

M85 Hardware Design

M85_Hardware_Design Confidential / Released 6 / 88

Table Index

TABLE 1: MODULE KEY FEATURES ............................................................................................................... 12

TABLE 2: CODING SCHEMES AND MAXIMUM NET DATA RATES OVER AIR INTERFACE ........................ 14

TABLE 3: PIN DESCRIPTION ........................................................................................................................... 18

TABLE 4: OVERVIEW OF OPERATING MODES ............................................................................................. 23

TABLE 5: SUMMARY OF STATE TRANSITION ............................................................................................... 33

TABLE 6: LOGIC LEVELS OF THE UART INTERFACE .................................................................................. 37

TABLE 7: PIN DEFINITION OF THE UART INTERFACES .............................................................................. 37

TABLE 8: PIN DEFINITION OF AUDIO INTERFACE ....................................................................................... 44

TABLE 9: AOUT3 OUTPUT CHARACTERISTICS ............................................................................................ 45

TABLE 10: TYPICAL ELECTRET MICROPHONE CHARACTERISTICS ......................................................... 49

TABLE 11: TYPICAL SPEAKER CHARACTERISTICS ..................................................................................... 49

TABLE 12: PIN DEFINITION OF THE SIM INTERFACE .................................................................................. 50

TABLE 13: PIN DEFINITION OF THE SD CARD INTERFACE ........................................................................ 54

TABLE 14: PIN DEFINITION OF THE SD CARD INTERFACE ........................................................................ 54

TABLE 15: PIN DEFINITION OF PCM INTERFACE ......................................................................................... 55

TABLE 16: CONFIGURATION ........................................................................................................................... 56

TABLE 17: QPCMON COMMAND DESCRIPTION .......................................................................................... 59

TABLE 18: QPCMVOL COMMAND DESCRIPTION ......................................................................................... 59

TABLE 19: PIN DEFINITION OF THE ADC ...................................................................................................... 60

TABLE 20: CHARACTERISTICS OF THE ADC ................................................................................................ 60

TABLE 21: BEHAVIORS OF THE RI ................................................................................................................. 60

TABLE 22: WORKING STATE OF THE NETLIGHT .......................................................................................... 62

TABLE 23: PIN DEFINITION OF THE STATUS ................................................................................................ 63

TABLE 24: PIN DEFINITION OF THE RF_ANT ................................................................................................ 64

TABLE 25: THE MODULE CONDUCTED RF OUTPUT POWER .................................................................... 65

TABLE 26: THE MODULE CONDUCTED RF RECEIVING SENSITIVITY ....................................................... 65

TABLE 27: THE MODULE OPERATING FREQUENCIES ................................................................................ 66

TABLE 28: ANTENNA CABLE REQUIREMENTS ............................................................................................. 66

TABLE 29: ANTENNA REQUIREMENTS .......................................................................................................... 66

TABLE 30: ABSOLUTE MAXIMUM RATINGS .................................................................................................. 68

TABLE 31: OPERATING TEMPERATURE ........................................................................................................ 69

TABLE 32: THE MODULE POWER SUPPLY RATINGS .................................................................................. 69

TABLE 33: THE MODULE CURRENT CONSUMPTION .................................................................................. 70

TABLE 34: THE ESD ENDURANCE (TEMPERATURE: 25ºC , HUMIDITY: 45%) ............................................ 73

TABLE 35: REEL PACKING .............................................................................................................................. 81

TABLE 36: RELATED DOCUMENTS ................................................................................................................ 82

TABLE 37: TERMS AND ABBREVIATIONS ...................................................................................................... 83

TABLE 38: DESCRIPTION OF DIFFERENT CODING SCHEMES .................................................................. 87

TABLE 39: GPRS MULTI-SLOT CLASSES ...................................................................................................... 89