Quectel BC66 - Contents; Table of Contents

NB-IoT Module Series
BC66&BC660K-GL Compatible Design
BC66&BC660K-GL_Compatible_Design 4 / 30
Contents
About the Document ................................................................................................................................... 3
Contents ....................................................................................................................................................... 4
Table Index ................................................................................................................................................... 5
Figure Index ................................................................................................................................................. 6
1 Introduction .......................................................................................................................................... 7
1.1. Special Mark ............................................................................................................................... 7
2 General Descriptions ........................................................................................................................... 8
2.1. Product Description ..................................................................................................................... 8
2.2. Features Overview ...................................................................................................................... 9
2.3. Pin Assignment ......................................................................................................................... 11
3 Pin Description ................................................................................................................................... 12
4 Hardware Reference Design ............................................................................................................. 15
4.1. Power Supply ............................................................................................................................ 15
4.1.1. Operating Voltage .......................................................................................................... 15
4.1.2. Power Supply Reference Design ................................................................................... 15
4.2. Turn on ...................................................................................................................................... 16
4.3. Turn off ...................................................................................................................................... 18
4.4. Reset ......................................................................................................................................... 19
4.4.1. Reset BC66/BC660K-GL with Hardware Method .......................................................... 19
4.4.2. Reset BC66/BC660K-GL with Software Method ........................................................... 20
4.5. Network Status Indication ......................................................................................................... 20
4.6. USB Interface ............................................................................................................................ 21
4.7. USIM Interface .......................................................................................................................... 22
4.8. UART Interfaces ........................................................................................................................ 23
4.9. ADC Interface ............................................................................................................................ 24
4.10. RF Antenna Interface ................................................................................................................ 25
5 Recommended Footprint and Stencil Design ................................................................................. 26
5.1. Recommended Compatible Footprint ....................................................................................... 26
5.2. Recommended Stencil Design ................................................................................................. 28
6 Appendix References ........................................................................................................................ 29