User's Manual

UMTS/HSPA Module Series
UC20 User Manual
UC20_Hardware_Design Confidential / Released 8 / 84
Figure Index
FIGURE 1: FUNCTIONAL DIAGRAM ............................................................................................................... 17
FIGURE 2: PIN ASSIGNMENT (TOP VIEW) .................................................................................................... 19
FIGURE 3: UART SLEEP APPLICATION ......................................................................................................... 27
FIGURE 4: USB APPLICATION WITH SUSPEND FUNCTION ........................................................................ 28
FIGURE 5: USB SLEEP APPLICATION WITHOUT SUSPEND FUNCTION .................................................... 29
FIGURE 6: VOLTAGE DROP DURING TRANSMITTING BURST .................................................................... 31
FIGURE 7: STAR STRUCTURE OF THE POWER SUPPLY............................................................................ 31
FIGURE 8: REFERENCE CIRCUIT OF POWER SUPPLY .............................................................................. 32
FIGURE 9: TURN ON THE MODULE USING DRIVING CIRCUIT ................................................................... 33
FIGURE 10: TURN ON THE MODULE USING KEYSTROKE ......................................................................... 33
FIGURE 11: TIMING OF TURNING ON MODULE ........................................................................................... 34
FIGURE 12: TIMING OF TURNING OFF MODULE ......................................................................................... 35
FIGURE 13: REFERENCE CIRCUIT OF RESET_N BY USING DRIVING CIRCUIT ...................................... 37
FIGURE 14: REFERENCE CIRCUIT OF RESET_N BY USING BUTTON ...................................................... 37
FIGURE 15: TIMING OF RESETTING MODULE ............................................................................................. 37
FIGURE 16: RTC SUPPLY FROM NON-CHARGEABLE BATTERY ................................................................ 38
FIGURE 17: RTC SUPPLY FROM RECHARGEABLE BATTERY .................................................................... 38
FIGURE 18: RTC SUPPLY FROM CAPACITOR .............................................................................................. 39
FIGURE 19: REFERENCE CIRCUIT WITH TRANSLATOR CHIP ................................................................... 41
FIGURE 20: REFERENCE CIRCUIT WITH TRANSISTOR CIRCUIT .............................................................. 41
FIGURE 21: RS232 LEVEL MATCH CIRCUIT .................................................................................................. 42
FIGURE 22: REFERENCE CIRCUIT OF THE 8 PIN USIM CARD ................................................................... 43
FIGURE 23: REFERENCE CIRCUIT OF THE 6 PIN USIM CARD ................................................................... 44
FIGURE 24: REFERENCE CIRCUIT OF USB APPLICATION ......................................................................... 45
FIGURE 25: TEST POINTS OF FIRMWARE UPGRADE ................................................................................. 46
FIGURE 26: PRIMARY MODE TIMING ............................................................................................................ 47
FIGURE 27: AUXILIARY MODE TIMING .......................................................................................................... 47
FIGURE 28: REFERENCE CIRCUIT OF PCM APPLICATION WITH AUDIO CODEC .................................... 48
FIGURE 29: REFERENCE CIRCUIT OF THE NETWORK INDICATOR .......................................................... 51
FIGURE 30: REFERENCE CIRCUIT OF THE STATUS ................................................................................... 51
FIGURE 31: REFERENCE CIRCUIT OF THE SLEEP_IND ............................................................................. 52
FIGURE 32: RELATIONSHIP BETWEEN SLEEP AND NETWORK PAGING .................................................. 52
FIGURE 33: REFERENCE CIRCUIT OF ANTENNA INTERFACE ................................................................... 58
FIGURE 34: REFERENCE CIRCUIT OF GNSS PASSIVE ANTENNA ............................................................. 59
FIGURE 35: REFERENCE CIRCUIT OF GNSS ACTIVE ANTENNA ............................................................... 60
FIGURE 36: DIMENSIONS OF THE UF.L-R-SMT CONNECTOR (UNIT: MM) ................................................ 61
FIGURE 37: MECHANICALS OF UF.L-LP CONNECTORS ............................................................................. 62
FIGURE 38: SPACE FACTOR OF MATED CONNECTOR (UNIT: MM) ........................................................... 62
FIGURE 39: UC20 TOP AND SIDE DIMENSIONS ........................................................................................... 70
FIGURE 40: UC20 BOTTOM DIMENSIONS (BOTTOM VIEW) ....................................................................... 71
FIGURE 41: BOTTOM PADS DIMENSIONS (BOTTOM VIEW) ....................................................................... 72