SimCom SIM5215 Hardware Design page 7

Smart Machine Smart Decision
Figure Index
Figure 1: SIM5215&SIM5216 functional architecture ................................................................................................... 11
Figure 2: Pin view........................................................................................................................................................... 13
Figure 3: Board to Board connector jack（NAIS AXK770247G） ............................................................................... 14
Figure 4: Board to Board connector pin（NAIS AXK870145W）............................................................................. 14
Figure 5: Top dimensions (Unit: mm) ............................................................................................................................. 19
Figure 6: Side dimensions (Unit: mm)............................................................................................................................ 19
Figure 7: Bottom dimensions (Unit: mm) ....................................................................................................................... 20
Figure 8: VBAT voltage drop during burst emission (GSM/GPRS) ............................................................................... 21
Figure 9: VBAT input application circuit........................................................................................................................ 22
Figure 10: Reference circuit of the LDO power supply .................................................................................................. 22
Figure 11: Reference circuit of the DCDC power supply ............................................................................................... 23
Figure 12: RTC supply from capacitor............................................................................................................................ 23
Figure 13: RTC supply from non-chargeable battery ...................................................................................................... 24
Figure 14: RTC supply from rechargeable battery .......................................................................................................... 24
Figure 15: Seiko XH414H-IV01E Charge-Discharge characteristic............................................................................... 25
Figure 16: Power on Timing Sequence ........................................................................................................................... 26
Figure 18: Power off timing sequence ............................................................................................................................ 27
Figure 19: Full modem.................................................................................................................................................... 28
Figure 20: Null modem ................................................................................................................................................... 28
Figure 21: RI behaviour in NULL Modem ..................................................................................................................... 30
Figure 22: RI behaviour in FULL Modem ...................................................................................................................... 30
Figure 23: Speaker interface configuration ..................................................................................................................... 32
Figure 24: Receiver interface configuration.................................................................................................................... 32
Figure 25: Microphone interface configuration .............................................................................................................. 33
Figure 26:: Headphone Microphone interface configuration .......................................................................................... 33
Figure 27: USIM interface reference circuit ................................................................................................................... 36
Figure 28: Amphenol SIM card socket ........................................................................................................................... 37
Figure 29: Reference circuit............................................................................................................................................ 40
Figure 30: Analog sensor circuit reference...................................................................................................................... 40
Figure 31: USB interface ................................................................................................................................................ 42
Figure 32: SDIO interface circuit.................................................................................................................................... 44
Figure 33: Application circuit ......................................................................................................................................... 45
Figure 34: Flight mode switch ........................................................................................................................................ 46
Figure 35: Synchrony timing .......................................................................................................................................... 47
Figure 36: EXT CODEC to MODULE timing................................................................................................................ 48
Figure 37: MODULE to EXT CODEC timing................................................................................................................ 48
Figure 38: Synchrony timing .......................................................................................................................................... 49
Figure 39: EXT CODEC to MODULE timing................................................................................................................ 49
Figure 40: MODULE to EXT CODEC timing................................................................................................................ 49
Figure 41: Reset circuit................................................................................................................................................... 51
Figure 42: Reference circuit............................................................................................................................................ 51
Figure 43: RF adapter cable MXTK88TK2000 .............................................................................................................. 55
7
SIM5215&SIM5216_Hardware Design_V2.02 2012-08-31