Table Of Contents; Contents - Quectel UG89 Hardware Design

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. Key Features .......................................................................................................................... 10
2.3. Functional Diagram ................................................................................................................ 12
2.4. Evaluation Board .................................................................................................................... 13
3 Application Interfaces ...................................................................................................................... 14
3.1. General Description ................................................................................................................ 14
3.2. Pin Assignment ....................................................................................................................... 15
3.3. Pin Description ........................................................................................................................ 16
3.4. Operating Modes .................................................................................................................... 22
3.5. Power Supply .......................................................................................................................... 23
3.5.1. Power Supply Pins ........................................................................................................ 23
3.5.2. Decrease Voltage Drop ................................................................................................. 23
3.5.3. Reference Design for Power Supply ............................................................................. 24
3.6. Power-on/off/Reset Scenarios ................................................................................................ 25
3.6.1. Turn on the Module Using the PWRKEY ...................................................................... 25
3.6.2. Turn off the Module ....................................................................................................... 27
3.6.2.1.
3.6.2.2.
3.6.3. Reset the Module .......................................................................................................... 28
3.6.4. Automatic Shutdown* .................................................................................................... 30
3.6.4.1.
3.6.4.2.
3.6.4.3.
3.7. UART Interfaces ..................................................................................................................... 32
3.8. (U)SIM Interface ..................................................................................................................... 35
3.9. USB Interface ......................................................................................................................... 37
3.10. ADC Interfaces ....................................................................................................................... 38
3.11. PCM and I2C Interfaces ......................................................................................................... 39
3.12. STATUS .................................................................................................................................. 41
3.13. Behaviors of the UART1_RI ................................................................................................... 42
4 Antenna Interface .............................................................................................................................. 44
4.1. GSM/UMTS Antenna Interface ............................................................................................... 44
4.1.1. Pin Definition ................................................................................................................. 44
UG89_Hardware_Design
Turn off the Module Using the PWRKEY Pin...................................................... 28
Turn off Module Using AT Command .................................................................. 28
Thermal Shutdown* ............................................................................................ 30
Undervoltage Shutdown* .................................................................................... 31
Overvoltage Shutdown* ...................................................................................... 32
UMTS/HSPA+ Module Series
UG89 Hardware Design
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