Table of Contents
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Contents
About the Document ................................................................................................................................... 2
Contents ....................................................................................................................................................... 3
Table Index ................................................................................................................................................... 5
Figure Index ................................................................................................................................................. 6
1
Introduction .......................................................................................................................................... 7
1.1.
Safety Information...................................................................................................................... 8
2
Product Concept .................................................................................................................................. 9
2.1.
General Description ................................................................................................................... 9
2.2.
Module Description .................................................................................................................... 9
2.3.
Key Features ........................................................................................................................... 10
2.4.
Functional Diagram ................................................................................................................. 13
3
Application Interfaces ....................................................................................................................... 14
3.1.
Pin Assignment ........................................................................................................................ 14
3.2.
Pin Description ......................................................................................................................... 15
3.1.
Operating Modes ..................................................................................................................... 18
3.2.
Power Saving ........................................................................................................................... 19
3.2.1.
Sleep Mode .................................................................................................................... 19
3.2.2.
Airplane Mode ................................................................................................................ 19
3.3.
Power Supply ........................................................................................................................... 19
3.4.
(U)SIM Interface ...................................................................................................................... 20
3.5.
USB Interface .......................................................................................................................... 22
3.6.
UART Interface ........................................................................................................................ 23
3.7.
PCM and I2C Interfaces .......................................................................................................... 24
3.8.
Control and Indication Signals ................................................................................................. 27
3.8.1.
RI Signal ......................................................................................................................... 27
3.8.2.
DTR Signal ..................................................................................................................... 27
3.8.3.
W_DISABLE# Signal ...................................................................................................... 28
3.8.4.
PERST# Signal .............................................................................................................. 28
3.8.5.
LED_WWAN# Signal ..................................................................................................... 29
3.8.6.
WAKE# Signal ................................................................................................................ 30
4
GNSS Receiver ................................................................................................................................... 31
4.1.
General Description ................................................................................................................. 31
4.2.
GNSS Performance ................................................................................................................. 31
4.3.
GNSS Frequency..................................................................................................................... 32
5
Antenna Connection .......................................................................................................................... 33
5.1.
Antenna Connectors ................................................................................................................ 33
5.1.1.
Operating Frequency ..................................................................................................... 33
5.2.
Antenna Requirements ............................................................................................................ 35
5.3.
Recommended Mating Plugs for Antenna Connection ........................................................... 36
EG25-G_Mini_PCIe_Hardware_Design
LTE Standard Module Series
EG25-G Mini PCIe Hardware Design
3 / 54
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