Table of Contents
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Contents
About the Document ................................................................................................................................... 2
Contents ....................................................................................................................................................... 3
1
Introduction .......................................................................................................................................... 5
1.1.
Safety Information...................................................................................................................... 5
2
Product Concept .................................................................................................................................. 7
2.1.
General Description ................................................................................................................... 7
2.2.
Key Features ............................................................................................................................. 8
2.3.
Functional Diagram ................................................................................................................. 10
2.4.
Evaluation Board ..................................................................................................................... 11
3
Application Interfaces ....................................................................................................................... 12
3.1.
General Description ................................................................................................................. 12
3.2.
Pin Assignment ........................................................................................................................ 13
3.3.
Power Supply ........................................................................................................................... 14
3.4.
Turn on and off Scenarios ....................................................................................................... 14
3.4.1.
Turn on Module Using the PWRKEY ............................................................................. 14
3.4.2.
Turn off Module .............................................................................................................. 15
3.5.
VRTC Interface ........................................................................................................................ 16
3.6.
Power Output ........................................................................................................................... 17
3.7.
Battery Charge and Management ........................................................................................... 17
3.8.
USB Interface .......................................................................................................................... 18
4
Wi-Fi and BT ....................................................................................................................................... 19
4.1.
Wi-Fi Overview ........................................................................................................................ 19
4.2.
BT Overview ............................................................................................................................ 19
5
Antenna Interface ............................................................................................................................... 21
5.1.
Wi-Fi/BT Antenna Interface ..................................................................................................... 21
5.1.1.
Reference Design of RF Layout..................................................................................... 22
5.2.
Antenna Installation ................................................................................................................. 24
5.2.1.
Antenna Requirements .................................................................................................. 24
5.2.2.
Recommended RF Connector for Antenna Installation ................................................. 24
6
Electrical, Reliability and Radio Characteristics ............................................................................ 27
6.1.
Absolute Maximum Ratings ..................................................................................................... 27
6.2.
Power Supply Ratings ............................................................................................................. 27
6.3.
Charging Performance Specifications ..................................................................................... 28
6.4.
Operating Temperature ............................................................................................................ 28
6.5.
Current Consumption .............................................................................................................. 29
6.6.
Electrostatic Discharge ............................................................................................................ 30
7
Mechanical Dimensions .................................................................................................................... 31
SC20-W_Manual_R1.0
Confidential / Released
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