User's Manual

Smart Machine Smart Decision
SIM868_Hardware_Design_V1.00 6 2016-06-20
Table Index
TABLE 1: MODULE INFORMATION ......................................................................................................................10
TABLE 2: SIM868 KEY FEATURES .........................................................................................................................10
TABLE 3: GNSS ENGINE PERFORMANCE ............................................................................................................12
TABLE 4: CODING SCHEMES AND MAXIMUM NET DATA RATES OVER AIR INTERFACE ...........................13
TABLE 5: OVERVIEW OF OPERATING MODES....................................................................................................13
TABLE 6: PIN DESCRIPTION ..................................................................................................................................15
TABLE 7: RECOMMENDED ZENER DIODE ..........................................................................................................20
TABLE 8: THE CURRENT CONSUMPTION OF FUNCTION MODE .....................................................................25
TABLE 9: SERIAL PORT AND USB PIN DEFINITION ...........................................................................................27
TABLE 10: SERIAL PORT CHARACTERISTICS.....................................................................................................27
TABLE 11: USB_VBUS OPERATION VOLTAGE ....................................................................................................31
TABLE 12: RI BEHAVIORS......................................................................................................................................31
TABLE 13: AUDIO INTERFACE DEFINITION........................................................................................................32
TABLE 14: PERFORMANCE OF AUDIO AMPLIFIER ............................................................................................33
TABLE 15: MICROPHONE INPUT CHARACTERISTICS .......................................................................................34
TABLE 16: AUDIO OUTPUT CHARACTERISTICS ................................................................................................34
TABLE 17: SIM PIN DEFINITION ...........................................................................................................................35
TABLE 18: PIN DESCRIPTION (MOLEX SIM CARD HOLDER) ...........................................................................37
TABLE 19: PIN DESCRIPTION (AMPHENOL SIM CARD HOLDER) ....................................................................38
TABLE 20: SD MULTIPLEXING FUNCTION ..........................................................................................................39
TABLE 21: PIN DEFINITION OF THE I2C ..............................................................................................................39
TABLE 22: I2C MULTIPLEXING FUNCTION .........................................................................................................39
TABLE 23: PIN DEFINITION OF THE ADC ............................................................................................................40
TABLE 24: ADC SPECIFICATION ...........................................................................................................................40
TABLE 25: PIN DEFINITION OF THE NETLIGHT .................................................................................................40
TABLE 26: STATUS OF THE NETLIGHT PIN .........................................................................................................40
TABLE 27: NETLIGHT MULTIPLEXING FUNCTION ............................................................................................41
TABLE 28: PIN DEFINITION OF THE STATUS ......................................................................................................41
TABLE 29: DEFINITION OF THE RF_SYNC PIN ...................................................................................................41
TABLE 30: RF_SYNC MULTIPLEXING FUNCTION ..............................................................................................42
TABLE 31: RECOMMENDED TVS COMPONENT .................................................................................................46
TABLE 32: ABSOLUTE MAXIMUM RATINGS ......................................................................................................50
TABLE 33: RECOMMENDED OPERATING CONDITIONS ....................................................................................50
TABLE 34: DIGITAL INTERFACE CHARACTERISTICS ........................................................................................50
TABLE 35: SIM CARD INTERFACE CHARACTERISTICS ....................................................................................50
TABLE 36: SIM_VDD CHARACTERISTICS ...........................................................................................................51
TABLE 37: VDD_EXT CHARACTERISTICS ...........................................................................................................51
TABLE 38: CURRENT CONSUMPTION..................................................................................................................51
TABLE 39: THE ESD CHARACTERISTICS (TEMPERATURE: 25℃, HUMIDITY: 45 %) ......................................52
TABLE 40: GSM850 AND EGSM900 CONDUCTED RF OUTPUT POWER............................................................53
TABLE 41: DCS1800 AND PCS1900 CONDUCTED RF OUTPUT POWER ............................................................53
TABLE 42: CONDUCTED RF RECEIVE SENSITIVITY..........................................................................................54
TABLE 43: OPERATING FREQUENCIES ................................................................................................................54
TABLE 44: MOISTURE SENSITIVITY LEVEL AND FLOOR LIFE ........................................................................56
TABLE 45: BAKING REQUIREMENTS...................................................................................................................56
TABLE 46: RELATED DOCUMENTS ......................................................................................................................57