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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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SIM800L Fiches technique(PDF) 8 Page - SIMCom |
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SIM800L Fiches technique(HTML) 8 Page - SIMCom |
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8 / 73 page  Smart Machine Smart Decision SIM800H&SIM800L_Hardware Design_V2.02 8 2015-07-27 Figure Index FIGURE 1: SIM800H&SIM800L FUNCTIONAL DIAGRAM ...................................................................................... 14 FIGURE 2: PIN ASSIGNMENT (TOP VIEW)................................................................................................................ 15 FIGURE 3: DIMENSIONS OF SIM800H&SIM800L (UNIT: MM)............................................................................... 18 FIGURE 4: RECOMMENDED PCB FOOTPRINT OUTLINE (UNIT: MM) ................................................................ 19 FIGURE 5: REFERENCE CIRCUIT OF THE VBAT INPUT......................................................................................... 20 FIGURE 6: REFERENCE CIRCUIT OF THE LDO POWER SUPPLY ......................................................................... 20 FIGURE 7: REFERENCE CIRCUIT OF THE DC-DC POWER SUPPLY..................................................................... 21 FIGURE 8: VBAT VOLTAGE DROP DURING TRANSMIT BURST........................................................................... 21 FIGURE 9: THE MINIMAL VBAT VOLTAGE REQUIREMENT AT VBAT DROP .................................................... 22 FIGURE 10: POWERED ON/OFF MODULE USING TRANSISTOR.......................................................................... 22 FIGURE 11: POWERED ON/OFF MODULE USING BUTTON .................................................................................. 22 FIGURE 12: TIMING OF POWER ON MODULE......................................................................................................... 23 FIGURE 13: TIMING OF POWER DOWN SIM800H&SIM800L BY PWRKEY......................................................... 23 FIGURE 14:TIMING OF RESTART SIM800H&SIM800L............................................................................................ 25 FIGURE 15: RESET CIRCUIT........................................................................................................................................ 25 FIGURE 16: RESET TIMING SEQUENCE.................................................................................................................... 26 FIGURE 17: RTC SUPPLY FROM CAPACITOR........................................................................................................... 28 FIGURE 18: RTC SUPPLY FROM NON-CHARGEABLE BATTERY ......................................................................... 28 FIGURE 19: RTC SUPPLY FROM RECHARGEABLE BATTERY .............................................................................. 28 FIGURE 20: CONNECTION OF THE SERIAL INTERFACES..................................................................................... 30 FIGURE 21: RESISTOR MATCHING CIRCUIT ........................................................................................................... 31 FIGURE 22 : DIODE ISOLATION CIRCUIT................................................................................................................. 31 FIGURE 23: TX LEVEL MATCHING CIRCUIT ........................................................................................................... 31 FIGURE 24: RX LEVEL MATCHING CIRCUIT........................................................................................................... 32 FIGURE 25: USB REFERENCE CIRCUIT .................................................................................................................... 32 FIGURE 26: CONNECTION FOR SOFTWARE UPGRADING AND DEBUGGING.................................................. 33 FIGURE 27: RI BEHAVIOUR OF VOICE CALLING AS A RECEIVER...................................................................... 34 FIGURE 28: RI BEHAVIOUR OF DATA CALLING AS A RECEIVER........................................................................ 34 FIGURE 29: RI BEHAVIOUR OF URC OR RECEIVE SMS ........................................................................................ 35 FIGURE 30: RI BEHAVIOUR AS A CALLER ............................................................................................................... 35 FIGURE 31: SPEAKER REFERENCE CIRCUIT .......................................................................................................... 36 FIGURE 32: SPEAKER WITH AMPLIFIER REFERENCE CIRCUIT ......................................................................... 37 FIGURE 33: REFERENCE CIRCUIT OF THE 8-PIN SIM CARD HOLDER............................................................... 38 FIGURE 34: REFERENCE CIRCUIT OF THE 6-PIN SIM CARD HOLDER............................................................... 39 FIGURE 35: MOLEX 91228 SIM CARD HOLDER ...................................................................................................... 40 FIGURE 36: AMPHENOL C707 10M006 512 SIM CARD HOLDER........................................................................... 41 FIGURE 37: PCM REFERENCE CIRCUIT.................................................................................................................... 43 FIGURE 38: LCD REFERENCE CIRCUIT .................................................................................................................... 43 FIGURE 39: SD REFERENCE CIRCUIT ....................................................................................................................... 43 FIGURE 40: 25 KEYS REFERENCE CIRCUIT............................................................................................................. 44 FIGURE 41: 50 KEYS REFERENCE CIRCUIT............................................................................................................. 45 FIGURE 42: KEYPAD REFERENCE CIRCUIT ............................................................................................................ 45 FIGURE 43: KEYPAD DETECTED ............................................................................................................................... 45 FIGURE 44: GPIO TIMING SEQUENCES .................................................................................................................... 47 FIGURE 45: REFERENCE CIRCUIT OF PWM DRIVER BUZZER ............................................................................ 48 FIGURE 46: REFERENCE CIRCUIT OF NETLIGHT .................................................................................................. 49 |
Numéro de pièce similaire - SIM800L |
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Description similaire - SIM800L |
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