Table Of Contents; Contents - Quectel SC200L-EM Hardware Design

Contents

About the Document ................................................................................................................................
Contents ....................................................................................................................................................
1
Introduction .......................................................................................................................................
1.1. Safety Information ....................................................................................................................
2
Product Concept ...............................................................................................................................
2.1. General Description ..................................................................................................................
2.2. Evaluation Board ......................................................................................................................
3
Application Interfaces .....................................................................................................................
3.1. General Description ................................................................................................................
3.2. Pin Assignment
3.3. Pin Description .......................................................................................................................
3.4. Power Supply .........................................................................................................................
3.4.1. Decrease Voltage Drop ................................................................................................
3.4.2. Decrease Voltage Drop ................................................................................................
3.4.3. Reference Design for Power Supply ............................................................................
3.5. Turn on and off Scenarios ......................................................................................................
3.5.1. Turn on Module Using the PWRKEY ...........................................................................
3.5.2. Turn off Module ............................................................................................................
3.6. Power Output .........................................................................................................................
3.7. Battery Charge and Management ..........................................................................................
3.8. USB Interface .........................................................................................................................
3.9. UART Interfaces .....................................................................................................................
3.10. (U)SIM Interface .....................................................................................................................
3.11. SD Card Interface ...................................................................................................................
3.12. GPIO Interfaces ......................................................................................................................
3.13. I2C Interfaces .........................................................................................................................
3.14. SPI Interfaces .........................................................................................................................
3.15. ADC Interface .........................................................................................................................
3.16. LCM Interface .........................................................................................................................
3.17. Touch Panel Interface .............................................................................................................
3.18. Camera Interface ....................................................................................................................
3.19. Sensor Interfaces ...................................................................................................................
3.20. Audio Interface .......................................................................................................................
3.20.1 Microphone interface reference circuit ............................................................................
3.20.2 Handset interface reference circuit ..................................................................................
3.20.3 Headphone interface reference circuit ............................................................................
3.20.4 Speaker interface reference circuit ..................................................................................
3.20.5 Audio signal design considerations .................................................................................
3.21. Emergency Download Interface .............................................................................................
SC200L_Hardware_Design
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SC200L Hardware Design
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