SimCom SIM548C HD V1.01 Hardware Design page 6

SIM548C Hardware Design
Table Index
TABLE 1: RELATED DOCUMENTS...................................................................................................10
TABLE 2: TERMS AND ABBREVIATIONS ....................................................................................... 11
TABLE 3: KEY FEATURES..................................................................................................................15
TABLE 4: CODING SCHEMES AND MAXIMUM NET DATA RATES OVER AIR INTERFACE..17
TABLE 5: BOARD-TO-BOARD CONNECTOR PIN DESCRIPTION ...............................................19
TABLE 6: OVERVIEW OF OPERATING MODES..............................................................................22
TABLE 7: AT COMMANDS USED IN ALARM MODE .....................................................................29
TABLE 8: RECOMMENDED BATTERY PROTECT CIRCUIT PARAMETER.................................34
TABLE 9: SPEC OF RECOMMENDED BATTERY PACK.................................................................34
TABLE 10: OPERATING MODES .......................................................................................................37
TABLE 11: AT COMMAND USUALLY USED IN GHOST MODE ...................................................37
TABLE 12: SUMMARY OF STATE TRANSITIONS...........................................................................40
TABLE 13: PIN DEFINITION OF THE SERIAL INTERFACES ........................................................44
TABLE 14: LOGIC LEVELS OF SERIAL PORTS PINS.....................................................................45
TABLE 15: PIN DEFINITION OF THE AUDIO INTERFACE............................................................49
TABLE 16: MIC INPUT CHARACTERISTICS ...................................................................................52
TABLE 17: SPK OUTPUT CHARACTERISTICS ...............................................................................52
TABLE 18: PIN DEFINITION OF SIM INTERFACE (BOARD-TO-BOARD CONNECTOR) .........54
TABLE 19: PIN DEFINITION (AMPHENOL SIM CARD HOLDER)................................................56
TABLE 20: PIN DEFINITION (MOLEX SIM CARD HOLDER)........................................................57
TABLE 21: PIN DEFINITION OF THE LCD INTERFACE ................................................................57
TABLE 22: ADC SPECIFICATION ......................................................................................................58
TABLE 23: PIN DESCRIPTION OF THE GPIO INTERFACE............................................................58
TABLE 24: BEHAVIOURS OF THE RI LINE......................................................................................58
TABLE 25: WORKING STATE OF THE NETLIGHT .........................................................................60
TABLE 26: BUZZER OUTPUT CHARACTERISTICS .......................................................................61
TABLE 27: PIN DEFINITION ..............................................................................................................64
TABLE 28: CONSOLIDATED PIN CHARACTERISTICS..................................................................66
TABLE 29: GPS OPERATION MODES ...............................................................................................69
TABLE 30: THE GSM PART CONDUCTED RF OUTPUT POWER..................................................74
TABLE 31: CONDUCTED RF RECEIVE SENSITIVITY OF THE GSM PART ................................74
TABLE 32: THE GSM PART OPERATING FREQUENCIES..............................................................74
TABLE 33: ABSOLUTE MAXIMUM RATINGS (GSM PART)..........................................................77
TABLE 34: ABSOLUTE MAXIMUM RATINGS (GPS PART) ...........................................................77
TABLE 35: OPERATING TEMPERATURE.........................................................................................78
TABLE 36: POWER SUPPLY RATING (GSM PART).........................................................................78
TABLE 37: POWER SUPPLY RATING (GPS PART) ..........................................................................79
TABLE 38: CURRENT CONSUMPTION (GSM PART) .....................................................................79
TABLE 39: THE ESD ENDURE STATUE MEASURED TABLE (TEMPERATURE: 25℃,
HUMIDITY: 45% ) ........................................................................................................................84
TABLE 40: PIN ASSIGNMENT............................................................................................................89
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SIM548C_HD_V1.01 09.05.2008