Quectel BC660K-GL - Contents; Table of Contents

NB-IoT Module Series
BC660K-GL Hardware Design
BC660K-GL_Hardware_Design 5 / 57
Contents
Safety Information ...................................................................................................................................... 3
About the Document .................................................................................................................................. 4
Contents ...................................................................................................................................................... 5
Table Index .................................................................................................................................................. 7
Figure Index ................................................................................................................................................ 8
1 Introduction ......................................................................................................................................... 9
2 Product Concept ............................................................................................................................... 10
2.1. General Description ................................................................................................................. 10
2.2. Key Features ............................................................................................................................ 11
2.3. Functional Diagram .................................................................................................................. 12
2.4. Evaluation Board ...................................................................................................................... 13
3 Application Functions and Interfaces ............................................................................................ 14
3.1. Pin Assignment ........................................................................................................................ 15
3.2. Pin Description ......................................................................................................................... 16
3.3. Operating Modes ...................................................................................................................... 19
3.4. Power Saving ........................................................................................................................... 20
3.4.1. Light Sleep .................................................................................................................... 20
3.4.2. Deep Sleep ................................................................................................................... 21
3.5. Power Supply ........................................................................................................................... 22
3.5.1. Power Supply Pins ........................................................................................................ 22
3.5.2. Power Supply Reference Design .................................................................................. 22
3.5.3. Power Supply Voltage Detection .................................................................................. 23
3.6. Turn-on/Turn-off Scenario ........................................................................................................ 23
3.6.1. Turn On ......................................................................................................................... 23
3.6.2. Turn Off ......................................................................................................................... 24
3.6.3. Reset ............................................................................................................................. 24
3.6.4. Download Mode ............................................................................................................ 25
3.7. UART Interfaces ....................................................................................................................... 26
3.7.1. Main UART Port ............................................................................................................ 27
3.7.2. Debug UART Port ......................................................................................................... 27
3.7.3. UART Application ......................................................................................................... 28
3.8. USIM Interface ......................................................................................................................... 30
3.9. ADC Interface ........................................................................................................................... 32
3.10. RI Interface ............................................................................................................................... 32
3.11. GPIO Interfaces ....................................................................................................................... 33
3.12. GRFC Interfaces* ..................................................................................................................... 34
3.13. NETLIGHT Interface* ............................................................................................................... 34
4 Antenna Interface .............................................................................................................................. 35
4.1. Pin Definition ............................................................................................................................ 35