Product Info

LTE Module Series
AG35-Quecopen
Hardware Design
AG35-QuecOpen_Hardware_Design 5 / 137
Contents
About the Document ................................................................................................................................ 2
Contents .................................................................................................................................................... 5
Table Index ............................................................................................................................................... 8
Figure Index ............................................................................................................................................ 10
1 Introduction ..................................................................................................................................... 12
1.1. Safety Information .................................................................................................................. 13
2 Product Concept ............................................................................................................................. 14
2.1. General Description ................................................................................................................ 14
2.2. Key Features .......................................................................................................................... 15
2.3. Functional Diagram ................................................................................................................ 19
2.4. Evaluation Board .................................................................................................................... 20
3 Application Interfaces ..................................................................................................................... 21
3.1. General Description ................................................................................................................ 21
3.2. Pin Assignment ....................................................................................................................... 21
3.3. Pin Description ....................................................................................................................... 23
3.4. Operating Modes .................................................................................................................... 40
3.5.
Power Saving ......................................................................................................................... 40
3.5.1. Sleep Mode.................................................................................................................. 40
3.5.1.1. USB Application with USB Remote Wakeup Function ...................................... 41
3.5.1.2. USB Application without USB Remote Wakeup Function ................................. 42
3.5.1.3. USB Application without USB Suspend Function .............................................. 42
3.5.2. Airplane Mode .............................................................................................................. 43
3.6. Power Supply ......................................................................................................................... 44
3.6.1. Power Supply Pins ....................................................................................................... 44
3.6.2. Decrease Voltage Drop ................................................................................................ 44
3.6.3. Reference Design for Power Supply ............................................................................ 45
3.6.4. Monitor the Power Supply ............................................................................................ 46
3.7. Turn on and off Scenarios ...................................................................................................... 46
3.7.1. Turn on Module Using PWRKEY ................................................................................. 46
3.7.2. Turn off Module ............................................................................................................ 48
3.7.2.1. Turn off Module Using the PWRKEY Pin .......................................................... 48
3.7.2.2. Turn off Module Using AT Command or API Interface .............
.......................... 49
3.7.2.3. Turn off Module Using SHDN_N ....................................................................... 49
3.8. Reset The Module .................................................................................................................. 51
3.9. (U)SIM Interface ..................................................................................................................... 52
3.10. USB Interface ......................................................................................................................... 55
3.11. UART Interfaces ..................................................................................................................... 56
3.12. Audio Interface (Optional) ....................................................................................................... 60
3.13. PCM and I2C Interfaces ......................................................................................................... 61
3.14. SDIO Interfaces ...................................................................................................................... 64