SimCom SIM5300E Hardware Design page 7

FIGURE INDEX
FIGURE 1: SIM5300E FUNCTIONAL DIAGRAM ...................................................................................................................... 6
FIGURE 2: SIM5300E PIN OUT DIAGRAM (TOP VIEW) .......................................................................................................... 7
FIGURE 3：SIM5300EA PIN OUT DIAGRAM (TOP VIEW) ...................................................................................................... 8
FIGURE 4: DIMENSIONS OF SIM5300E (UNIT: MM) ............................................................................................................ 13
FIGURE 5: RECOMMENDED PCB FOOTPRINT OUTLINE (UNIT: MM) ................................................................................... 14
FIGURE 6: REFERENCE CIRCUIT OF THE DC-DC POWER SUPPLY ......................................................................................... 15
FIGURE 7: VBAT INPUT APPLICATION CIRCUIT .................................................................................................................... 15
FIGURE 8: REFERENCE CIRCUIT OF THE LDO POWER SUPPLY ............................................................................................. 16
FIGURE 9: REFERENCE CIRCUIT OF THE DC-DC POWER SUPPLY ......................................................................................... 16
FIGURE 10: POWERED ON/DOWN MODULE USING TRANSISTOR ...................................................................................... 17
FIGURE 11: POWERED ON/DOWN MODULE USING BUTTON ............................................................................................ 17
FIGURE 12: TIMING OF POWER ON MODULE ..................................................................................................................... 17
FIGURE 13: TIMING OF POWER DOWN SIM5300E BY PWRKEY .......................................................................................... 19
FIGURE 14: TIMING OF RESTART SIM5300E ........................................................................................................................ 21
FIGURE 15: RESET TIMING .................................................................................................................................................. 21
FIGURE 16: RESET REFERENCE DESIGN CIRCUIT ................................................................................................................. 22
FIGURE 17: RTC SUPPLY FROM CAPACITOR ......................................................................................................................... 24
FIGURE 18: RTC SUPPLY FROM NON-CHARGEABLE BATTERY ............................................................................................. 24
FIGURE 19: RTC SUPPLY FROM RECHARGEABLE BATTERY .................................................................................................. 24
FIGURE 20: CONNECTION OF THE SERIAL INTERFACES ....................................................................................................... 25
FIGURE 21: CONNECTION OF RXD AND TXD ONLY ............................................................................................................. 25
FIGURE 22: REFERENCE CIRCUIT OF LEVEL SHIFT ............................................................................................................... 26
FIGURE 23: CONNECTION FOR SOFTWARE UPGRADING AND DEBUGGING ....................................................................... 27
FIGURE 24: SPEAKER REFERENCE CIRCUIT .......................................................................................................................... 27
FIGURE 25: SPEAKER WITH AMPLIFIER REFERENCE CIRCUIT .............................................................................................. 28
FIGURE 26: MICROPHONE REFERENCE CIRCUIT ................................................................................................................. 28
FIGURE 27: EARPHONE REFERENCE CIRCUIT ...................................................................................................................... 29
FIGURE 28: REFERENCE CIRCUIT OF THE 8-PIN USIM CARD HOLDER ................................................................................. 31
FIGURE 29: REFERENCE CIRCUIT OF THE 6-PIN USIM CARD HOLDER ................................................................................. 31
FIGURE 30: AMPHENOL C707 10M006 5122 USIM CARD HOLDER .................................................................................... 32
FIGURE 31: MOLEX 91228 USIM CARD HOLDER ................................................................................................................. 33
FIGURE 32: USB INTERFACE ................................................................................................................................................ 34
FIGURE 33: RI BEHAVIOR OF VOICE CALLING AS A RECEIVER ............................................................................................. 36
FIGURE 34: RI BEHAVIOR OF DATA CALLING AS A RECEIVER ............................................................................................... 36
FIGURE 35: RI BEHAVIOR OF URC OR RECEIVE SMS ............................................................................................................ 37
FIGURE 36: RI BEHAVIOR AS A CALLER................................................................................................................................ 37
FIGURE 37: REFERENCE CIRCUIT OF NETLIGHT ................................................................................................................... 38
FIGURE 38: ANTENNA MATCHING CIRCUIT ......................................................................................................................... 39
FIGURE 39: TOP AND BOTTOM VIEW OF SIM5300E ........................................................................................................... 47
FIGURE 40: THE RAMP-SOAK-SPIKE REFLOW PROFILE OF 5300E ....................................................................................... 48
SIM5300E_Hardware_Design_V1.02
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