Quectel EC200U Series

LTE Standard Module Series
EC200U_Series_Hardware_Design 1 / 94
Contents
Safety Information ....................................................................................................................................... 3
About the Document ................................................................................................................................... 4
Contents ....................................................................................................................................................... 1
Table Index ................................................................................................................................................... 4
Figure Index ................................................................................................................................................. 6
1 Introduction .......................................................................................................................................... 8
1.1. Special Marks ............................................................................................................................ 8
2 Product Overview ................................................................................................................................ 9
2.1. General Description ................................................................................................................... 9
2.2. Key Features ........................................................................................................................... 10
2.3. Functional Diagram ................................................................................................................. 12
2.4. EVB .......................................................................................................................................... 13
3 Application Interfaces ....................................................................................................................... 14
3.1. General Description ................................................................................................................. 14
3.2. Pin Assignment ........................................................................................................................ 15
3.3. Pin Description ......................................................................................................................... 16
3.4. Operating Modes ..................................................................................................................... 26
3.5. Power Saving ........................................................................................................................... 27
3.5.1. Sleep Mode .................................................................................................................... 27
3.5.1.1. UART Application ................................................................................................. 27
3.5.1.2. USB Application with USB Remote Wakeup Function* ....................................... 28
3.5.1.3. USB Application with USB Suspend/Resume and MAIN_RI Function* .............. 28
3.5.1.4. USB Application ................................................................................................... 29
3.5.2. Airplane Mode ................................................................................................................ 30
3.6. Power Supply ........................................................................................................................... 31
3.6.1. Power Supply Pins ......................................................................................................... 31
3.6.2. Voltage Stability Requirements ...................................................................................... 31
3.6.3. Reference Design for Power Supply .............................................................................. 32
3.6.4. Monitor the Power Supply .............................................................................................. 33
3.7. Turn on/Turn off/Reset ............................................................................................................. 33
3.7.1. Turn on Module with PWRKEY ...................................................................................... 33
3.7.2. Turn off Module .............................................................................................................. 35
3.7.2.1. Turn off Module with PWRKEY ............................................................................ 36
3.7.2.2. Turn off Module with AT Command ...................................................................... 36
3.7.3. Reset the Module ........................................................................................................... 37
3.8. (U)SIM Interfaces..................................................................................................................... 38
3.9. USB Interface .......................................................................................................................... 40
3.10. UART Interfaces ...................................................................................................................... 42
3.11. SPI Interface ............................................................................................................................ 44
3.12. I2C Interfaces .......................................................................................................................... 45