Quectel BC68 Hardware Design

GSM/GPRS Module Series
M66 Hardware Design
M66_Hardware_Design Confidential / Released 6 / 80
Table Index
TABLE 1: MODULE KEY FEATURES ............................................................................................................... 12
TABLE 2: CODING SCHEMES AND MAXIMUM NET DATA RATES OVER AIR INTERFACE ........................ 13
TABLE 3: IO PARAMETERS DEFINITION ........................................................................................................ 17
TABLE 4: PIN DESCRIPTION ........................................................................................................................... 17
TABLE 5: OVERVIEW OF OPERATING MODES ............................................................................................. 21
TABLE 6: SUMMARY OF STATE TRANSITION ............................................................................................... 30
TABLE 7: LOGIC LEVELS OF THE UART INTERFACE .................................................................................. 33
TABLE 8: PIN DEFINITION OF THE UART INTERFACES .............................................................................. 33
TABLE 9: PIN DEFINITION OF AUDIO INTERFACE ....................................................................................... 40
TABLE 10: TYPICAL ELECTRET MICROPHONE CHARACTERISTICS ......................................................... 44
TABLE 11: TYPICAL SPEAKER CHARACTERISTICS ..................................................................................... 44
TABLE 12: PIN DEFINITION OF PCM INTERFACE ......................................................................................... 45
TABLE 13: CONFIGURATION ........................................................................................................................... 45
TABLE 14: QPCMON COMMAND DESCRIPTION .......................................................................................... 48
TABLE 15: QPCMVOL COMMAND DESCRIPTION ......................................................................................... 49
TABLE 16: PIN DEFINITION OF THE SIM INTERFACE .................................................................................. 49
TABLE 17: PIN DEFINITION OF THE ADC ...................................................................................................... 51
TABLE 18: CHARACTERISTICS OF THE ADC ................................................................................................ 51
TABLE 19: BEHAVIORS OF THE RI ................................................................................................................. 51
TABLE 20: WORKING STATE OF THE NETLIGHT .......................................................................................... 53
TABLE 21: PIN DEFINITION OF THE RFTXMON ............................................................................................ 54
TABLE 22: PIN DEFINITION OF THE RF_ANT ................................................................................................ 56
TABLE 23: ANTENNA CABLE REQUIREMENTS ............................................................................................. 57
TABLE 24: ANTENNA REQUIREMENTS .......................................................................................................... 57
TABLE 25: THE MODULE CONDUCTED RF OUTPUT POWER .................................................................... 57
TABLE 26: THE MODULE CONDUCTED RF RECEIVING SENSITIVITY ....................................................... 58
TABLE 27: THE MODULE OPERATING FREQUENCIES ................................................................................ 58
TABLE 28: PIN DEFINITION OF THE BT_ANT ................................................................................................ 59
TABLE 29: ABSOLUTE MAXIMUM RATINGS .................................................................................................. 61
TABLE 30: OPERATING TEMPERATURE ........................................................................................................ 61
TABLE 31: THE MODULE POWER SUPPLY RATINGS .................................................................................. 62
TABLE 32: THE MODULE CURRENT CONSUMPTION .................................................................................. 63
TABLE 33: THE ESD ENDURANCE (TEMPERATURE: 25ºC, HUMIDITY: 45%) ............................................ 65
TABLE 34: RELATED DOCUMENTS ................................................................................................................ 73
TABLE 35: TERMS AND ABBREVIATIONS ...................................................................................................... 74
TABLE 36: DESCRIPTION OF DIFFERENT CODING SCHEMES .................................................................. 78
TABLE 37: GPRS MULTI-SLOT CLASSES ...................................................................................................... 80
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Quectel BC68 Specifications

General

Brand	Quectel
Model	BC68
Category	Control Unit
Language	English