User's Manual

Smart Machine Smart Decision
SIM5320A_Hardware Design_V1.01 2011-2-29
8
Figure Index
Figure 1: SIM5320A functional architecture................................................................................................................... 12
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 7: VBAT_RF voltage drop during burst emission (GSM/GPRS)......................................................................... 21
Figure 8: VBAT input application circuit........................................................................................................................ 22
Figure 9: Reference circuit of the LDO power supply .................................................................................................... 23
Figure 10: Reference circuit of the DCDC power supply ............................................................................................... 23
Figure 11: Internal circuit................................................................................................................................................ 24
Figure 12: Application circuit ......................................................................................................................................... 25
Figure 13: RTC supply from capacitor............................................................................................................................ 25
Figure 14: RTC supply from non-chargeable battery...................................................................................................... 26
Figure 15: RTC supply from rechargeable battery .......................................................................................................... 26
Figure 16: Seiko XH414H-IV01E Charge-Discharge characteristic ............................................................................... 26
Figure 17: Power on Timing Sequence ........................................................................................................................... 27
Figure 18: Application circuit ......................................................................................................................................... 28
Figure 19: Power off timing sequence ............................................................................................................................ 29
Figure 20: Full modem.................................................................................................................................................... 30
Figure 21: Null modem................................................................................................................................................... 30
Figure 22: RI behaviour in NULL Modem ..................................................................................................................... 32
Figure 23: RI behaviour in FULL Modem ...................................................................................................................... 32
Figure 24: Speaker interface configuration ..................................................................................................................... 34
Figure 25: Receiver interface configuration.................................................................................................................... 34
Figure 26: Microphone interface configuration .............................................................................................................. 34
Figure 27: USIM interface reference circuit ................................................................................................................... 37
Figure 28: Amphenol SIM card socket ........................................................................................................................... 38
Figure 29: Reference circuit............................................................................................................................................ 40
Figure 30: USB interface ................................................................................................................................................ 42
Figure 31: Application circuit ......................................................................................................................................... 44
Figure 32: Flight mode switch ........................................................................................................................................ 45
Figure 33: Synchrony timing .......................................................................................................................................... 47
Figure 34: EXT CODEC to MODULE timing................................................................................................................ 47
Figure 35: MODULE to EXT CODEC timing................................................................................................................ 48
Figure 36: Synchrony timing .......................................................................................................................................... 48
Figure 37: EXT CODEC to MODULE timing................................................................................................................ 49
Figure 38: MODULE to EXT CODEC timing................................................................................................................ 49
Figure 39: Active antenna circuit .................................................................................................................................... 51
Figure 40Passive antenna circuit (Default) ................................................................................................................. 52
Figure 41: Current drive.................................................................................................................................................. 53
Figure 42: Reset circuit................................................................................................................................................... 54