Quectel EM05, Hardware Design

Page: 7 / 60

LTE Module Series
EM05 Hardware Design
EM05_Hardware_Design Confidential / Released 6 / 59
Figure Index
FIGURE 1: FUNCTIONAL DIAGRAM ............................................................................................................... 12
FIGURE 2: PIN ASSIGNMENT ......................................................................................................................... 14
FIGURE 3: SLEEP MODE APPLICATION WITH USB REMOTE WAKEUP .................................................... 20
FIGURE 4: SLEEP MODE APPLICATION WITH WOWWAN# ......................................................................... 21
FIGURE 5: POWER SUPPLY LIMITS DURING TX POWER ........................................................................... 22
FIGURE 6: REFERENCE CIRCUIT OF VCC .................................................................................................... 23
FIGURE 7: REFERENCE DESIGN OF POWER SUPPLY ............................................................................... 23
FIGURE 8: TURN ON THE MODULE USING GPIO ......................................................................................... 24
FIGURE 9: TURN ON THE MODULE AUTOMATICALLY ................................................................................. 25
FIGURE 10: TIMING OF TURNING ON MODULE ........................................................................................... 25
FIGURE 11: TIMING OF TURNING OFF THE MODULE THROUGH FUL_CARD_POWER_OFF# ............... 26
FIGURE 12: TIMING OF TURNING OFF THE MODULE THROUGH AT COMMAND ..................................... 27
FIGURE 13: REFERENCE CIRCUIT OF RESET# BY USING DRIVING CIRCUIT ......................................... 28
FIGURE 14: REFERENCE CIRCUIT OF RESET# BY USING BUTTON ......................................................... 28
FIGURE 15: TIMING OF RESETTING MODULE ............................................................................................. 28
FIGURE 16: REFERENCE CIRCUIT OF NORMALLY SHORT-CIRCUITED (U)SIM CARD CONNECTOR ... 30
FIGURE 17: REFERENCE CIRCUIT OF NORMALLY OPEN (U)SIM CARD CONNECTOR .......................... 30
FIGURE 18: REFERENCE CIRCUIT OF A 6-PIN (U)SIM CARD CONNECTOR ............................................. 31
FIGURE 19: REFERENCE CIRCUIT OF USB INTERFACE ............................................................................ 32
FIGURE 20: PRIMARY MODE TIMING ............................................................................................................ 33
FIGURE 21: AUXILIARY MODE TIMING .......................................................................................................... 34
FIGURE 22: REFERENCE CIRCUIT OF PCM APPLICATION WITH AUDIO CODEC .................................... 35
FIGURE 23: LED# SIGNAL REFERENCE CIRCUIT DIAGRAM ...................................................................... 36
FIGURE 24: WOWWAN# BEHAVIOR ............................................................................................................... 37
FIGURE 25: WOWWAN# SIGNAL REFERENCE CIRCUIT DIAGRAM ........................................................... 38
FIGURE 26: RF ANTENNA CONNECTORS ..................................................................................................... 41
FIGURE 27: DIMENSIONS OF THE MM4829-2702 CONNECTOR (UNIT: MM) ............................................. 43
FIGURE 28: SPECIFICATIONS OF 0.81MM COAXIAL CABLE ....................................................................... 44
FIGURE 29: CONNECTION BETWEEN THE RF CONNECTOR AND THE 0.81MM COAXIAL CABLE ........ 44
FIGURE 30: CONNECTION BETWEEN THE RF CONNECTOR AND THE 1.13MM COAXIAL CABLE ........ 45
FIGURE 31: THERMAL DISSIPATION AREA ON BOTTOM SIDE OF THE MODULE .................................... 53
FIGURE 32: MECHANICAL DIMENSIONS OF EM05 (UNIT: MM) ................................................................... 54
FIGURE 33: STANDARD DIMENSIONS OF M.2 TYPE 3042-S3 (UNIT: MM) ................................................. 55
FIGURE 34: M.2 NOMENCLATURE ................................................................................................................. 55
FIGURE 35: TOP VIEW OF THE MODULE ...................................................................................................... 56
FIGURE 36: BOTTOM VIEW OF THE MODULE .............................................................................................. 56
Quectel
Confidential