Table Of Contents; Contents - Quectel RM502Q-GL Hardware Design

Contents

Safety Information ....................................................................................................................................... 3
About the Document ................................................................................................................................... 4
Contents ....................................................................................................................................................... 5
Table Index ................................................................................................................................................... 8
Figure Index ............................................................................................................................................... 10
1 Introduction ........................................................................................................................................ 11
1.1. Introduction ............................................................................................................................... 11
1.2. Reference Standard .................................................................................................................. 11
1.3. Special Mark ............................................................................................................................. 12
2 Product Concept ................................................................................................................................ 13
2.1. General Description .................................................................................................................. 13
2.2. Key Features ............................................................................................................................. 14
2.3. Evaluation Board ....................................................................................................................... 17
2.4. Functional Diagram ................................................................................................................... 17
2.5. Pin Assignment ......................................................................................................................... 18
2.6. Pin Description .......................................................................................................................... 19
3 Operating Characteristics ................................................................................................................. 24
3.1. Operating Modes ....................................................................................................................... 24
3.1.1. Sleep mode .................................................................................................................... 24
3.1.2. Airplane mode ................................................................................................................ 26
3.2. Communication Interface with a Host ....................................................................................... 26
3.3. Power Supply ............................................................................................................................ 27
3.3.1. Decrease Voltage Drop .................................................................................................. 27
3.3.2. Reference Design for Power Supply .............................................................................. 28
3.3.3. Monitor the Power Supply .............................................................................................. 29
3.4. Turn on ...................................................................................................................................... 29
3.5. Turn off ...................................................................................................................................... 31
3.5.1. Turn off the Module Through FCPO# ............................................................................ 31
3.5.2. Turn off the Module Through AT Command .................................................................. 32
3.6. Reset ......................................................................................................................................... 33
4 Application Interfaces ....................................................................................................................... 35
4.1. (U)SIM Interfaces ...................................................................................................................... 35
4.1.1. Pin Definition of (U)SIM Interfaces ................................................................................ 35
4.1.2. Hot-plug of (U)SIM ......................................................................................................... 36
4.1.3. Normally Closed (U)SIM Card Connector...................................................................... 37
4.1.4. Normally Open (U)SIM card Connector ......................................................................... 38
4.1.5. (U)SIM Card Connector Without Hot-plug ..................................................................... 39
4.1.6. (U)SIM Design Notices................................................................................................... 40
4.2. USB Interface ............................................................................................................................ 40
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5G Module Series
RM502Q-GL Hardware Design
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