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 ............................................................................................................................. 13
2.1. General Description .............................................................................................................. 13
2.2. Description of Product Series ................................................................................................ 14
2.3. Key Features ......................................................................................................................... 15
2.4. Functional Diagram ............................................................................................................... 17
3 Application Interface ....................................................................................................................... 18
3.1. General Description .............................................................................................................. 18
3.2. EC25 Mini PCIe Interface ...................................................................................................... 18
3.2.1. Definition of Interface ................................................................................................... 18
3.2.2. Pin Assignment ............................................................................................................ 21
3.3. Power Supply ........................................................................................................................ 22
3.4. USIM Card Interface ...........................................................................................................
.. 23
3.5. USB Interface ........................................................................................................................ 24
3.6. UART Interface ..................................................................................................................... 25
3.7. PCM and I2C Interfaces ........................................................................................................ 26
3.8. Control Signals ...................................................................................................................... 28
3.8.1. RI Signal ...................................................................................................................... 29
3.8.2. DTR Signal .................................................................................................................. 29
3.8.3. W_DISABLE# Signal ................................................................................................... 29
3.8.4. PERST# Signal ............................................................................................................ 29
3.8.5. LED_WWAN# Signal ................................................................................................... 30
3.8.6. WAKE# Signal ............................................................................................................. 31
3.9. Antenna Interfaces ................................................................................................................ 31
4 Electrical and Radio Characteristics ............................................................................................. 33
4.1. General Description .............................................................................................................. 33
4.2. Power Supply Requirements ................................................................................................. 33
4.3. I/O Requirements .................................................................................................................. 34
4.4. RF Characteristics ................................................................................................................ 34
4.5.
GNSS Receiver ..................................................................................................................... 36
4.6. ESD Characteristics .............................................................................................................. 37
4.7. Current Consumption ............................................................................................................ 37
5 Dimensions and Packaging ............................................................................................................ 42
5.1. General Description .............................................................................................................. 42