Table of Contents
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Contents
Safety Information ...................................................................................................................................... 3
About the Document .................................................................................................................................. 4
Contents ...................................................................................................................................................... 5
Table Index .................................................................................................................................................. 8
Figure Index .............................................................................................................................................. 10
1
Introduction ....................................................................................................................................... 12
1.1.
Special Marks ....................................................................................................................... 12
2
Product Overview ............................................................................................................................. 13
2.1.
Frequency Bands and Functions ......................................................................................... 13
2.2.
Key Features ........................................................................................................................ 14
2.3.
Functional Diagram .............................................................................................................. 17
2.4.
Pin Assignment ..................................................................................................................... 18
2.5.
Pin Description ..................................................................................................................... 19
2.6.
EVB Kit ................................................................................................................................. 30
3
Operating Characteristics ................................................................................................................ 31
3.1.
Operating Modes .................................................................................................................. 31
3.2.
Sleep Mode .......................................................................................................................... 32
3.2.1.
UART Application Scenario ........................................................................................... 32
3.2.2.
USB Application Scenario ............................................................................................. 33
3.2.2.1.
3.2.2.2.
3.2.2.3.
3.3.
Airplane Mode ...................................................................................................................... 35
3.3.1.
Hardware ....................................................................................................................... 35
3.3.2.
Software ........................................................................................................................ 35
3.4.
Power Supply ....................................................................................................................... 36
3.4.1.
Power Supply Pins ........................................................................................................ 36
3.4.2.
Reference Design for Power Supply ............................................................................. 36
3.4.3.
Power Supply Voltage Monitoring ................................................................................. 37
3.4.4.
Voltage Stability Requirements ..................................................................................... 37
3.5.
Turn On ................................................................................................................................. 40
3.5.1.
Turn On with PWRKEY ................................................................................................. 40
3.6.
Turn Off ................................................................................................................................. 41
3.6.1.
Turn Off with PWRKEY ................................................................................................. 41
3.6.2.
Turn Off with AT Command ........................................................................................... 42
3.7.
RESET_N ............................................................................................................................. 42
4
Application Interfaces ...................................................................................................................... 45
4.1.
USB Interface ....................................................................................................................... 45
4.2.
USB_BOOT .......................................................................................................................... 47
RG520N-AT_Hardware_Design
USB Application with USB Remote Wakeup Function ................................... 33
USB Application without USB Suspend Function .......................................... 34
5G Module Series
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