RF-43UP
www.szrfstar.com V1.3 - Jan., 2020
Shenzhen RF-star Technology Co., Ltd. Page 4 of 34
Table of Contents
RF-star LoRa Module List ............................................................................................................................................... 1
1 Device Overview ............................................................................................................................................................. 2
1.1 Description ............................................................................................................................................................ 2
1.2 Key Features ....................................................................................................................................................... 2
1.3 Applications .......................................................................................................................................................... 2
1.4 Functional Block Diagram .............................................................................................................................. 3
1.5 Part Number Conventions .............................................................................................................................. 3
Table of Contents ................................................................................................................................................................ 4
Table of Figures ................................................................................................................................................................... 5
Table of Tables ..................................................................................................................................................................... 6
2 Module Configuration and Functions ...................................................................................................................... 7
2.1 Module Parameters ........................................................................................................................................... 7
2.2 Module Pin Diagram ......................................................................................................................................... 8
2.3 Pin Functions ....................................................................................................................................................... 8
3 Specifications ................................................................................................................................................................. 10
3.1 Recommended Operating Conditions ..................................................................................................... 10
3.2 Handling Ratings .............................................................................................................................................. 10
3.3 Current Consumption ..................................................................................................................................... 10
4 Application and Layout ............................................................................................................................................... 12
4.1 Module Photos .................................................................................................................................................. 12
4.2 Recommended PCB Footprint .................................................................................................................... 12
4.3 Schematic Diagram ......................................................................................................................................... 13
4.4 Reference Design of the Connection between MCU and Module ................................................ 13
5 Module Functions ......................................................................................................................................................... 14
5.1 Working Mode ................................................................................................................................................... 14
5.2 Mode Switching (0 for Low Level, 1 for High Level) ........................................................................... 14
5.3 Normal Mode ..................................................................................................................................................... 15
5.4 Wake-up Mode .................................................................................................................................................. 16
5.5 Low-power Mode ............................................................................................................................................. 16
5.6 Sleep Mode ........................................................................................................................................................ 16
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