SIM Tech SimCom SIM340, Hardware Design

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SIM340 Hardware Design
Figure Index
FIGURE 1: SIM340 FUNCTIONAL DIAGRAM .................................................................................16
FIGURE 2: TOP VIEW OF SIM300 EVB .............................................................................................17
FIGURE 3: REFERENCE CIRCUIT OF THE VBAT INPUT ..............................................................23
FIGURE 4: REFERENCE CIRCUIT OF THE SOURCE POWER SUPPLY INPUT...........................23
FIGURE 5: VBAT VOLTAGE DROP DURING TRANSMIT BURST ................................................24
FIGURE 6: TURN ON SIM340 USING DRIVING CIRCUIT .............................................................25
FIGURE 7: TURN ON SIM340 USING BUTTON...............................................................................25
FIGURE 8: TIMING OF TURN ON SYSTEM .....................................................................................26
FIGURE 9: TIMING OF TURN OFF SYSTEM ...................................................................................28
FIGURE 10: TIMING OF RESTART SYSTEM ...................................................................................30
FIGURE 11: RTC SUPPLY FROM NON-CHARGEABLE BATTERY ...............................................32
FIGURE 12: RTC SUPPLY FROM RECHARGEABLE BATTERY ....................................................32
FIGURE 13: RTC SUPPLY FROM CAPACITOR ................................................................................33
FIGURE 14: PANASONIC EECEMOE204A CHARGE CHARACTERISTIC ...................................33
FIGURE 15: MAXELL TC614 CHARGE CHARACTERISTIC..........................................................34
FIGURE 16: SEIKO TS621 CHARGE CHARACTERISTIC...............................................................34
FIGURE 17: CONNECTION OF THE SERIAL INTERFACES ..........................................................36
FIGURE 18: CONNECTION OF SOFTWARE UPGRADE .................................................................38
FIGURE 19: CONNECTION OF SOFTWARE DEBUG ......................................................................38
FIGURE 20: RS232 LEVEL CONVERTER CIRCUIT.........................................................................38
FIGURE 21: SPEAKER INTERFACE CONFIGURATION .................................................................40
FIGURE 22: SPEAKER INTERFACE WITH AMPLIFIER CONFIGURATION ................................40
FIGURE 23: MICROPHONE INTERFACE CONFIGURATION ........................................................41
FIGURE 24: EARPHONE INTERFACE CONFIGURATION..............................................................41
FIGURE 25: REFERENCE CIRCUIT OF BUZZER ............................................................................43
FIGURE 26: REFERENCE CIRCUIT OF THE 8 PINS SIM CARD....................................................45
FIGURE 27: REFERENCE CIRCUIT OF THE 6 PINS SIM CARD....................................................45
FIGURE 28: AMPHENOL C707 10M006 512 2 SIM CARD HOLDER..............................................46
FIGURE 29: MOLEX 91228 SIM CARD HOLDER ............................................................................47
FIGURE 30: REFERENCE CIRCUIT OF THE KEYPAD INTERFACE.............................................49
FIGURE 31: SIM340 SERVICES AS RECEIVER................................................................................50
FIGURE 32: SIM340 SERVICES AS CALLER....................................................................................51
FIGURE 33: REFERENCE CIRCUIT OF NETLIGHT ........................................................................51
FIGURE 34: MECHANICAL DIMENSIONS OF MODULE
（
UNIT: MM
）
....................................60
FIGURE 35: MECHANICAL DIMENSIONS OF MODULE PCB DECAL
（
UNIT: MM
）
..............61
FIGURE 36: ENTERY 1008-G60N-01R BOARD-TO-BOARD CONNECTOR .................................62
FIGURE 37: JXT 210-106001-001 BOARD-TO-BOARD CONNECTOR ..........................................63
FIGURE 38: BOARD-TO-BOARD CONNECTOR PHYSICAL PHOTO ...........................................64
FIGURE 39: MM9329-2700B................................................................................................................65
FIGURE 40: RF CONNECTOR MXTK................................................................................................66
FIGURE 41: TOP VIEW OF THE SIM340 ...........................................................................................67
SIM340_HD_V3.09 18.03.2009
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