Product Info

LPWA Module Series
BG95-M3 Mini PCIe Hardware Design
BG95-M3_Mini_PCIe_Hardware_Design 3 / 53
Contents
About the Document ................................................................................................................................ 2
Contents .................................................................................................................................................... 3
Table Index ............................................................................................................................................... 5
Figure Index .............................................................................................................................................. 6
1 Introduction ....................................................................................................................................... 7
1.1. Safety Information ................................................................................................................... 9
2 Product Concept ............................................................................................................................. 10
2.1. General Description .............................................................................................................. 10
2.2. Key Features ..........................................................................................................................11
2.3. 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 Supply ........................................................................................................................ 19
3.3. (U)SIM Interface .................................................................................................................... 20
3.4. USB Interface ........................................................................................................................ 22
3.5. UART Interface ..................................................................................................................... 24
3.6. PCM and I2C Interfaces* ...................................................................................................... 25
3.7. Control and Indication Interfaces .......................................................................................... 26
3.7.1. RI ................................................................................................................................. 26
3.7.2. W_DISABLE# .............................................................................................................. 27
3.7.3. PERST# ....................................................................................................................... 27
3.7.4. LED_WWAN# .............................................................................................................. 28
3.7.5. WAKE# ........................................................................................................................ 29
4 GNSS Receiver ................................................................................................................................ 30
4.1. General Description .............................................................................................................. 30
4.2. GNSS Performance .............................................................................................................. 30
5 Antenna Connection ....................................................................................................................... 32
5.1. Main Antenna Connector ....................................................................................................... 32
5.1.1. Description of Main Antenna Connector ...................................................................... 32
5.1.2. Operating Frequency ................................................................................................... 33
5.2. GNSS Antenna Connector .................................................................................................... 34
5.2.1. Description of GNSS Antenna Connector .................................................................... 34
5.2.2.
GNSS Frequency ......................................................................................................... 34
5.3. Antenna Requirements ......................................................................................................... 35
5.4. Recommended Mating Plugs for Antenna Connection .......................................................... 35
6 Electrical, Reliability and Radio Characteristics .......................................................................... 38