Quectel 2021SC200LEM Manuals

Manuals and User Guides for Quectel 2021SC200LEM. We have 1 Quectel 2021SC200LEM manual available for free PDF download: Hardware Design

Quectel 2021SC200LEM Hardware Design

Quectel 2021SC200LEM Hardware Design (97 pages)

Brand: Quectel | Category: Control Unit | Size: 2.03 MB

Table of Contents

About the Document

3
Contents

4
- Table of Contents
  4
1 Introduction

6
- Safety Information
  6
2 Product Concept

8
- General Description
  8
- Evaluation Board
  9
3 Application Interfaces

10
- General Description
  10
- Pin Assignment
  11
- Pin Description
  12
- Power Supply
  23
  - Decrease Voltage Drop
    23
  - Reference Design for Power Supply
    25
- Turn on and off Scenarios
  26
  - Turn on Module Using the PWRKEY
    26
  - Turn off Module
    28
- Power Output
  28
- Battery Charge and Management
  29
- USB Interface
  30
- UART Interfaces
  33
- U)SIM Interface
  34
- SD Card Interface
  36
- GPIO Interfaces
  38
- I2C Interfaces
  40
- SPI Interfaces
  40
- ADC Interface
  41
- LCM Interface
  42
- Touch Panel Interface
  44
- Camera Interface
  45
- Sensor Interfaces
  49
- Audio Interface
  50
- Emergency Download Interface
  54
4 Wi-Fi and BT

55
- Wi-Fi Overview
  55
  - Wi-Fi Performance
    55
- BT Overview
  56
  - BT Performance
    57
5 Gnss

58
- GNSS Performance
  58
- GNSS RF Design Guidelines
  59
6 Antenna Interfaces

60
Electrical, Reliability and Radio Characteristics

70
- Absolute Maximum Ratings
  70
- Power Supply Ratings
  70
- Operation and Storage Temperatures
  71
- Current Consumption
  71
- RF Output Power
  74
- RF Receiving Sensitivity
  76
- Electrostatic Discharge
  77
7 Mechanical Dimensions

78
8 Storage, Manufacturing and Packaging

82
- Storage
  82
- Manufacturing and Soldering
  82
- Packaging
  84
9 Appendix A References

86
10 Appendix B GPRS Coding Schemes

91
11 Appendix C GPRS Multi-Slot Classes

92
12 Appendix D EDGE Modulation and Coding Schemes

94

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