Quectel SC690A Series Manuals

Manuals and User Guides for Quectel SC690A Series. We have 1 Quectel SC690A Series manual available for free PDF download: Hardware Design

Quectel SC690A Series Hardware Design

Quectel SC690A Series Hardware Design (110 pages)

Brand: Quectel | Category: Wireless modules | Size: 3.1 MB

Table of Contents

Safety Information

4
About the Document

5
Contents

6
- Table of Contents
  6
1 Introduction

13
- Special Marks
  16
2 Product Overview

17
- Frequency Bands and Functions
  17
- Key Features
  18
- Functional Diagram
  21
- Pin Assignment
  22
- Pin Description
  23
- Evb
  36
3 Operating Characteristics

37
- Power Supply
  37
- Turn on
  41
- Turn off
  42
- VRTC Interface
  43
- Power Output
  44
4 Application Interfaces

45
- USB Interfaces
  45
- UART Interfaces
  48
- U)SIM Interfaces
  50
- SD Card Interface
  52
- GPIO Interfaces
  53
- I2C Interfaces
  55
- I2S Interfaces
  56
- ADC Interface
  57
- LCM Interfaces
  57
- Touch Panel Interface
  60
- Camera Interfaces
  61
- Sensor Interfaces
  68
- Flash Interfaces
  68
- Keypad Interfaces
  69
- Vibration Driver Motor Interfaces
  69
- JTAG Interface
  70
- LED Driver Interface
  71
- Audio Interfaces
  71
- Emergency Download Interface
  75
5 RF Specifications

76
- Cellular Network
  76
  - Antenna Interface & Frequency Bands
    76
  - Tx Power
    77
  - Reference Design
    78
- Gnss
  78
  - Antenna Interface & Frequency Bands
    79
  - Reference Design
    79
    
    Recommended Circuit for Passive Antenna
    79
    
    Recommended Circuit for Active Antenna
    80
    
    GNSS RF Design Guidelines
    80
- Wi-Fi/Bluetooth
  81
  - Wi-Fi Overview
    81
  - Bluetooth Overview
    84
  - Reference Design
    85
- Reference Design of RF Routing
  85
- Requirements for Antenna Design
  87
- RF Connector Recommendation
  88
6 Electrical Characteristics & Reliability

91
- Absolute Maximum Ratings
  91
- Power Supply Ratings
  92
- Power Consumption
  92
- Digital I/O Characteristic
  94
- Esd
  95
- Operating and Storage Temperatures
  95
7 Mechanical Information

96
- Mechanical Dimensions
  96
- Recommended Footprint
  98
- Top and Bottom Views
  99
8 Storage, Manufacturing & Packaging

100
- Storage Conditions
  100
- Manufacturing and Soldering
  101
- Packaging Specifications
  103

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