Product Info

LTE Standard Module Series
EC25 Mini PCIe Hardware Design
EC25_Mini_PCIe_Hardware_Design 9 / 80
Figure Index
FIGURE 2: PIN ASSIGNMENT ......................................................................................................................... 20
FIGURE 3: REFERENCE CIRCUIT OF POWER SUPPLY .............................................................................. 26
FIGURE 4: REFERENCE CIRCUIT OF (U)SIM INTERFACE WITH AN 8-PIN (U)SIM CARD CONNECTOR 27
FIGURE 5: REFERENCE CIRCUIT OF (U)SIM INTERFACE WITH A 6-PIN (U)SIM CARD CONNECTOR ... 27
FIGURE 6: REFERENCE CIRCUIT OF USB INTERFACE .............................................................................. 29
FIGURE 7: REFERENCE CIRCUIT OF POWER SUPPLY .............................................................................. 30
FIGURE 8: TIMING IN PRIMARY MODE .......................................................................................................... 32
FIGURE 9: TIMING IN AUXILIARY MODE........................................................................................................ 33
FIGURE 10: REFERENCE CIRCUIT OF PCM APPLICATION WITH AUDIO CODEC .................................... 33
FIGURE 11: RI BEHAVIORS ............................................................................................................................. 34
FIGURE 12: TIMING OF RESETTING MODULE ............................................................................................. 36
FIGURE 13: LED_WWAN# SIGNAL REFERENCE CIRCUIT DIAGRAM ........................................................ 36
FIGURE 14: WAKE# BEHAVIOR ...................................................................................................................... 37
FIGURE 15: DIMENSIONS OF THE RECEPTACLE RF CONNECTORS (UNIT: MM) .................................... 43
FIGURE 16: MECHANICALS OF U.FL-LP MATING PLUGS ........................................................................... 43
FIGURE 17: SPACE FACTOR OF MATING PLUGS (UNIT: MM) ..................................................................... 44
FIGURE 18: REFERENCED HEATSINK DESIGN ........................................................................................... 76
FIGURE 19: MECHANICAL DIMENSIONS OF EC25 MINI PCIE .................................................................... 77
FIGURE 20: STANDARD DIMENSIONS OF MINI PCI EXPRESS ................................................................... 78
FIGURE 21: DIMENSIONS OF THE MINI PCI EXPRESS CONNECTOR (MOLEX 679105700) .................... 79