hardware design v1.00

Smart Machine Smart Decision
SIM968_Hardware Design_V1.00 2013.02.25
5
C. Safety Caution ................................................................................................................................................. 58
Table Index
TABLE 1: SIM968 GSM/GPRS ENGINE KEY FEATURES ........................................................................................... 9
TABLE 2: GNSS ENGINE PERFORMANCE ................................................................................................................ 10
TABLE 3: CODING SCHEMES AND MAXIMUM NET DATA RATES OVER AIR INTERFACE ............................ 11
TABLE 4: OVERVIEW OF OPERATING MODES........................................................................................................ 11
TABLE 5: PIN DESCRIPTION ....................................................................................................................................... 13
TABLE 6: THE CURRENT CONSUMPTION OF MINIMUM FUNCTIONALITY MODE ........................................ 23
TABLE 7: SPECIFICATION OF RECOMMENDED BATTERY PACK........................................................................25
TABLE 8: CHARGE OPERATING MODES .................................................................................................................. 26
TABLE 9: AT COMMAND USUALLY USED IN CHARGE-ONLY MODE ................................................................ 27
TABLE 10: MICROPHONE INPUT CHARACTERISTICS........................................................................................... 32
TABLE 11: AUDIO OUTPUT CHARACTERISTICS .................................................................................................... 33
TABLE 12: PIN DESCRIPTION (AMPHENOL SIM CARD HOLDER)....................................................................... 35
TABLE 13: PIN DESCRIPTION (MOLEX SIM CARD HOLDER) .............................................................................. 35
TABLE 14: PIN DEFINITION OF THE KEYPAD INTERFACE................................................................................... 36
TABLE 15: ADC SPECIFICATION ................................................................................................................................ 37
TABLE 16: RI BEHAVIORS ........................................................................................................................................... 37
TABLE 17: STATUS OF THE NETLIGHT PIN.............................................................................................................. 38
TABLE 18: PIN DEFINITION OF THE GPIO INTERFACE ......................................................................................... 39
TABLE 19: POWER SUPPLY AND CLOCK STATE ACCORDING TO OPERATION MODE................................... 42
TABLE 20: ABSOLUTE MAXIMUM RATINGS OF GSM ........................................................................................... 49
TABLE 21: ABSOLUTE MAXIMUM RATINGS OF GNSS.......................................................................................... 49
TABLE 22: RECOMMENDED OPERATING CONDITIONS ....................................................................................... 49
TABLE 23: DIGITAL INTERFACE CHARACTERISTICS OF GSM............................................................................ 49
TABLE 24: DIGITAL INTERFACE CHARACTERISTICS OF GNSS.......................................................................... 50
TABLE 25: SIM CARD INTERFACE CHARACTERISTICS........................................................................................ 50
TABLE 26: VDD_EXT CHARACTERISTICS ............................................................................................................... 50
TABLE 27: SIM_VDD CHARACTERISTICS................................................................................................................ 51
TABLE 28: VRTC CHARACTERISTICS ....................................................................................................................... 51
TABLE 29: GSM CURRENT CONSUMPTION
*
............................................................................................................ 51
TABLE 30: THE ESD CHARACTERISTICS (TEMPERATURE: 25℃, HUMIDITY: 45 %) ....................................... 52
TABLE 31: SIM968 GSM 900 AND GSM 850 CONDUCTED RF OUTPUT POWER ................................................ 53
TABLE 32: SIM968 DCS 1800 AND PCS 1900 CONDUCTED RF OUTPUT POWER............................................... 53
TABLE 33: SIM968 CONDUCTED RF RECEIVE SENSITIVITY ...............................................................................54
TABLE 34: SIM968 OPERATING FREQUENCIES....................................................................................................... 54
TABLE 35: ILLUSTRATION OF MODULE LABEL .................................................................................................... 55
TABLE 36: RELATED DOCUMENTS ........................................................................................................................... 56
TABLE 37: TERMS AND ABBREVIATIONS................................................................................................................ 57
TABLE 38: SAFETY CAUTION..................................................................................................................................... 58