Table Of Contents; Contents - Quectel SC262R Series Hardware Design

Contents

Safety Information ....................................................................................................................................... 3
About the Document ................................................................................................................................... 4
Contents ....................................................................................................................................................... 5
Table Index ................................................................................................................................................... 8
Figure Index ............................................................................................................................................... 10
1 Introduction ........................................................................................................................................ 12
2 Product Overview .............................................................................................................................. 13
2.1. Frequency Bands and Functions ............................................................................................. 13
2.2. Key Features ........................................................................................................................... 15
2.3. Functional Diagram ................................................................................................................. 18
2.4. EVB Kit..................................................................................................................................... 19
3 Application Interfaces ....................................................................................................................... 20
3.1. General Description ................................................................................................................. 20
3.2. Pin Assignment ........................................................................................................................ 21
3.3. Pin Description ......................................................................................................................... 22
3.4. Power Supply ........................................................................................................................... 36
3.4.1. Power Supply Pins ......................................................................................................... 36
3.4.2. Voltage Stability Requirements ...................................................................................... 36
3.4.3. Reference Design for Power Supply .............................................................................. 37
3.5. Turn On and Off ....................................................................................................................... 38
3.5.1. Turn On with PWRKEY .................................................................................................. 38
3.5.2. Turn Off the Module ....................................................................................................... 39
3.6. VRTC Interface ........................................................................................................................ 40
3.7. Power Output ........................................................................................................................... 40
3.8. Battery Charging and Management ........................................................................................ 41
3.9. USB Interface .......................................................................................................................... 43
3.10. UART Interfaces ...................................................................................................................... 45
3.11. (U)SIM Interfaces..................................................................................................................... 47
3.12. SD Card Interface .................................................................................................................... 49
3.13. GPIO Interfaces ....................................................................................................................... 51
3.14. I2C Interfaces .......................................................................................................................... 53
3.15. SPI Interfaces .......................................................................................................................... 54
3.16. ADC Interface .......................................................................................................................... 55
3.17. Vibration Motor Driver Interface .............................................................................................. 55
3.18. LCM Interface .......................................................................................................................... 56
3.19. Touch Panel Interface ............................................................................................................. 59
3.20. Camera Interfaces ................................................................................................................... 60
3.20.1. Design Considerations ................................................................................................... 64
3.21. Sensor Interfaces..................................................................................................................... 66
3.22. Audio Interfaces ....................................................................................................................... 66
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