Product Info

LTE Module Series
EC25 Mini PCIe Hardware Design
EC25_Mini_PCIe_Hardware_Design Confidential / Released 3 / 46
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. Description of Product Series ................................................................................................ 10
2.3. Key Features ..........................................................................................................................11
2.4. Functional Diagram ............................................................................................................... 13
3 Application Interface ....................................................................................................................... 14
3.1. General Description .............................................................................................................. 14
3.2. EC25 Mini PCIe Interface ...................................................................................................... 14
3.2.1. Definition of Interface ................................................................................................... 14
3.2.2. Pin Assignment ............................................................................................................ 17
3.3. Power Supply ........................................................................................................................ 18
3.4. USIM Card Interface ............................................................................................................. 19
3.5. USB Interface ........................................................................................................................ 20
3.6. UAR
T Interface ..................................................................................................................... 21
3.7. PCM and I2C Interfaces ........................................................................................................ 22
3.8. Control Signals ...................................................................................................................... 24
3.8.1. RI Signal ...................................................................................................................... 25
3.8.2. DTR Signal .................................................................................................................. 25
3.8.3. W_DISABLE# Signal ................................................................................................... 25
3.8.4. PERST# Signal ............................................................................................................ 25
3.8.5. LED_WWAN# Signal ................................................................................................... 26
3.8.6. WAKE# Signal ............................................................................................................. 27
3.9. Antenna Interfaces ................................................................................................................ 27
4 Electrical and Radio Characteristics ............................................................................................. 29
4.1. General Description .............................................................................................................. 29
4.2. Power Supply Requirements ................................................................................................. 29
4.3. I/O Requirements .................................................................................................................. 30
4.4. RF Characteristics ................................................................................................................ 30
4.5. GNSS Receiv
er ..................................................................................................................... 32
4.6. ESD Characteristics .............................................................................................................. 33
4.7. Current Consumption ............................................................................................................ 33
5 Dimensions and Packaging ............................................................................................................ 38
5.1. General Description .............................................................................................................. 38