User's Manual

Smart Machine Smart Decision
SIM7100A_User Manual_V1.01 2014-12-11
8
Figure Index
Figure 1: SIM7100A functional architecture ................................................................................................................... 12
Figure 2: Pin view ........................................................................................................................................................... 15
Figure 3: Top dimensions (Unit: mm) ............................................................................................................................. 21
Figure 4: Side dimensions (Unit: mm) ............................................................................................................................ 22
Figure 5: Bottom dimensions (Unit: mm) ....................................................................................................................... 23
Figure 6: Footprint recommendation (Unit: mm) ............................................................................................................ 24
Figure 7: VBAT input application circuit ........................................................................................................................ 25
Figure 8: Reference circuit of the LDO power supply .................................................................................................... 26
Figure 9: Reference circuit of the DCDC power supply ................................................................................................. 27
Figure 10: Power on Timing Sequence ........................................................................................................................... 28
Figure 11: Power off timing sequence ............................................................................................................................. 30
Figure 12: Reset circuit ................................................................................................................................................... 31
Figure 13: RI behaviour in NULL Modem ..................................................................................................................... 32
Figure 14: RI behaviour in FULL Modem ...................................................................................................................... 33
Figure 15: UART Full modem ........................................................................................................................................ 33
Figure 16: UART Null modem........................................................................................................................................ 33
Figure 17: Reference circuit of level shift ....................................................................................................................... 34
Figure 18: USB Reference Circuit with SIM7100A as USB Host Controller. ................................................................ 35
Figure 19: USIM interface reference circuit ................................................................................................................... 37
Figure 20: Amphenol SIM card socket ........................................................................................................................... 38
Figure 21: Synchrony timing .......................................................................................................................................... 40
Figure 22: EXT CODEC to MODULE timing ................................................................................................................ 40
Figure 23: MODULE to EXT CODEC timing ................................................................................................................ 40
Figure 24: Synchrony timing .......................................................................................................................................... 41
Figure 25: EXT CODEC to MODULE timing ................................................................................................................ 42
Figure 26: MODULE to EXT CODEC timing ................................................................................................................ 42
Figure 27: Reference Circuit of PCM Application with Audio Codec ............................................................................ 43
Figure 28: SD interface circuit ........................................................................................................................................ 45
Figure 29: Reference circuit ............................................................................................................................................ 47
Figure 30: Application circuit ......................................................................................................................................... 51
Figure 31: Flight mode switch ........................................................................................................................................ 52
Figure 32: Current drive .................................................................................................................................................. 53
Figure 33: Antenna matching circuit (MAIN_ANT) ....................................................................................................... 58
Figure 34: Antenna matching circuit (AUX_ANT) ......................................................................................................... 59
Figure 35: Active antenna circuit .................................................................................................................................... 61
Figure 36: Passive antenna circuit (Default) ................................................................................................................... 61
Figure 37: Top and bottom view of SIM7100A .............................................................................................................. 67
Figure 38: The ramp-soak-spike reflow profile of SIM7100A ........................................................................................ 68
Figure 39: Reference design ........................................................................................................................................... 70