SimCom SIM5320AL, User Manual

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SIM5320AL_User Manual_V1.01 2014-08-20 8
Figure Index
Figure 1: SIM5320AL functional architecture...................................................................................................................11
Figure 2: Pin view..............................................................................................................................................................14
Figure 3: Top dimensions (Unit: mm)............................................................................................................................... 19
Figure 4: Side dimensions (Unit: mm).............................................................................................................................. 19
Figure 5: Bottom dimensions (Unit: mm)......................................................................................................................... 20
Figure 6: Footprint recommendation (Unit: mm)..............................................................................................................20
Figure 8: VBAT input application circuit.......................................................................................................................... 22
Figure 9: Reference circuit of the LDO power supply...................................................................................................... 22
Figure 10: Reference circuit of the DCDC power supply................................................................................................. 23
Figure 11: RTC supply from capacitor.............................................................................................................................. 24
Figure 12: RTC supply from non-chargeable battery........................................................................................................ 24
Figure 13: RTC supply from rechargeable battery............................................................................................................ 24
Figure 14: Seiko XH414H-IV01E Charge-Discharge characteristic.................................................................................25
Figure 15: Power on Timing Sequence..............................................................................................................................26
Figure 16: Power off timing sequence...............................................................................................................................27
Figure 17: Full modem...................................................................................................................................................... 28
Figure 18: Null modem......................................................................................................................................................29
Figure 19: RI behaviour in NULL Modem........................................................................................................................30
Figure 20: RI behaviour in FULL Modem........................................................................................................................ 30
Figure 21: Speaker interface configuration....................................................................................................................... 32
Figure 22: Receiver interface configuration...................................................................................................................... 32
Figure 23: Microphone interface configuration.................................................................................................................33
Figure 24: USIM interface reference circuit......................................................................................................................35
Figure 25: Amphenol SIM card socket..............................................................................................................................36
Figure 26: Reference circuit.............................................................................................................................................. 38
Figure 27: USB interface................................................................................................................................................... 39
Figure 28: Application circuit............................................................................................................................................42
Figure 29: Flight mode switch...........................................................................................................................................43
Figure 30: Synchrony timing............................................................................................................................................. 44
Figure 31: EXT CODEC to MODULE timing..................................................................................................................45
Figure 32: MODULE to EXT CODEC timing..................................................................................................................45
Figure 33: Synchrony timing............................................................................................................................................. 46
Figure 34: EXT CODEC to MODULE timing..................................................................................................................46
Figure 35: MODULE to EXT CODEC timing..................................................................................................................46
Figure 36: Current drive.................................................................................................................................................... 48
Figure 37: Reset circuit......................................................................................................................................................48
Figure 38: Reference circuit.............................................................................................................................................. 49
Figure 39: Antenna matching circuit................................................................................................................................. 51
Figure 40: Top and bottom view of SIM5320AL.............................................................................................................. 56
Figure 41: The ramp-soak-spike reflow profile of SIM5320AL....................................................................................... 56
Figure 42: Recommended pad........................................................................................................................................... 57
Figure 43: System design...................................................................................................................................................58