Quectel UC15, Проектирование аппаратного обеспечения

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UMTS/HSDPA Module
UC15 Hardware Design
UC15_Hardware_Design Confidential / Released 6 / 72
Figure Index
FIGURE 1: FUNCTIONAL DIAGRAM ............................................................................................................... 13
FIGURE 2: PIN ASSIGNMENT (TOP VIEW) .................................................................................................... 15
FIGURE 3: STAR STRUCTURE OF THE POWER SUPPLY ............................................................................ 24
FIGURE 4: REFERENCE CIRCUIT OF POWER SUPPLY .............................................................................. 24
FIGURE 5: TURN ON THE MODULE USING DRIVING CIRCUIT ................................................................... 26
FIGURE 6: TURN ON THE MODULE USING KEYSTROKE ........................................................................... 26
FIGURE 7: TIMING OF TURNING ON MODULE ............................................................................................. 27
FIGURE 8: TIMING OF TURNING OFF MODULE ........................................................................................... 28
FIGURE 9: REFERENCE CIRCUIT OF RESET_N BY USING DRIVING CIRCUIT ........................................ 30
FIGURE 10: TIMING OF RESETTING MODULE ............................................................................................. 30
FIGURE 11: CONNECTION OF ALL FUNCTIONAL UART PORT ................................................................... 32
FIGURE 12: CONNECTION OF THREE LINES UART PORT ......................................................................... 32
FIGURE 13: CONNECTION OF UART PORT WITH HARDWARE FLOW CONTROL .................................... 33
FIGURE 14: 3.3V LEVEL MATCH CIRCUIT ..................................................................................................... 33
FIGURE 15: 5V LEVEL MATCH CIRCUIT ........................................................................................................ 34
FIGURE 16: RS232 LEVEL MATCH CIRCUIT .................................................................................................. 34
FIGURE 17: MICROPHONE REFERENCE DESIGN FOR MIC1&MIC2 .......................................................... 37
FIGURE 18: REFERENCE DESIGN FOR SPK1 .............................................................................................. 37
FIGURE 19: REFERENCE DESIGN WITH AN AMPLIFIER FOR SPK1 .......................................................... 38
FIGURE 20: REFERENCE DESIGN FOR SPK2 .............................................................................................. 38
FIGURE 21: REFERENCE DESIGN WITH AN AMPLIFIER FOR SPK2 .......................................................... 39
FIGURE 22: REFERENCE DESIGN FOR AN EARPHONE ............................................................................. 39
FIGURE 23: REFERENCE CIRCUIT OF THE 8 PIN USIM CARD ................................................................... 41
FIGURE 24: REFERENCE CIRCUIT OF THE 6 PIN USIM CARD ................................................................... 42
FIGURE 25: MOLEX 91228 USIM CARD HOLDER ......................................................................................... 43
FIGURE 26: AMPHENOL C707 10M006 512 2 USIM CARD HOLDER ........................................................... 44
FIGURE 27: REFERENCE CIRCUIT OF USB APPLICATION ......................................................................... 45
FIGURE 28: CONNECTION OF FIRMWARE UPGRADE ................................................................................ 46
FIGURE 29: REFERENCE CIRCUIT OF THE NETWORK INDICATOR .......................................................... 48
FIGURE 30: REFERENCE CIRCUIT OF THE STATUS ................................................................................... 49
FIGURE 31: REFERENCE CIRCUIT OF ANTENNA INTERFACE ................................................................... 51
FIGURE 32: UC15 TOP AND SIDE DIMENSIONS ........................................................................................... 59
FIGURE 33: UC15 BOTTOM DIMENSIONS (BOTTOM VIEW) ....................................................................... 60
FIGURE 34: BOTTOM PADS DIMENSIONS (BOTTOM VIEW) ....................................................................... 61
FIGURE 35: RECOMMENDED FOOTPRINT (TOP VIEW) .............................................................................. 62
FIGURE 36: TOP VIEW OF THE MODULE ...................................................................................................... 63
FIGURE 37: BOTTOM VIEW OF THE MODULE .............................................................................................. 63
FIGURE 38: LIQUIDS TEMPERATURE ............................................................................................................ 65