Quectel M50 Manuals

Quectel M50 Manuals

Manuals and User Guides for Quectel M50. We have 1 Quectel M50 manual available for free PDF download: Hardware Design

Quectel M50 Hardware Design

Quectel M50 Hardware Design (89 pages)

Cellular Engine

Brand: Quectel | Category: Control Unit | Size: 1 MB

Table of Contents

Table of Contents
3
Revision History

8
1 Introduction

9
- Related Documents
  9
- Terms and Abbreviations
  10
- Safety Cautions
  12
2 Product Concept

15
- Key Features
  15
- Functional Diagram
  17
- Evaluation Board
  18
3 Application Interface

19
- Pin of Module
  20
  - Pin Assignment
    20
  - Table 5: M50 Pin Assignment
    21
  - Pin Description
    22
- Operating Modes
  29
- Power Supply
  30
- Power on and down Scenarios
  32
  - Power on
    32
  - Figure 8: Timing of Turning on System
    33
  - Power down
    34
  - Restart
    36
  - Figure 12: Timing of Restarting System
    37
- Charge Interface
  38
- Power Saving
  38
  - Minimum Functionality Mode
    38
  - SLEEP Mode
    39
  - Wake up Module from SLEEP Mode
    39
- Summary of State Transition
  39
- RTC Backup
  40
- Serial Interfaces
  41
- Audio Interfaces
  50
- SIM Card Interface
  55
- SD Card Interface
  60
- Table 20: Pin Name of the Sd Card and Micro Sd Card
  61
- PCM Interface
  62
  - Configuration
    62
  - Timing
    63
  - Reference Design
    64
  - AT Command
    64
  - Table 23: Qpcmon Command Description
    65
- Adc
  66
- Behaviors of the RI
  66
- Figure 45: Ri Behavior as a Caller
  67
- Figure 46: Ri Behavior of Urc or Sms Received
  68
- Network Status Indication
  69
- Operating Status Indication
  69
- Figure 48: Reference Design for Status
  70
4 Antenna Interface

71
- RF Reference Design
  71
- RF Output Power
  72
- RF Receiving Sensitivity
  72
- Operating Frequencies
  72
- RF Cable Soldering
  73
5 Electrical, Reliability and Radio Characteristics

74
- Absolute Maximum Ratings
  74
- Operating Temperature
  74
- Power Supply Ratings
  75
- Current Consumption
  76
- Electro-Static Discharge
  78
6 Mechanical Dimensions

79
7 Storage and Manufacturing

84
- Storage
  84
- Soldering
  85
- Packaging
  86
Appendix A: GPRS Coding Schemes

87
Appendix B: GPRS Multi-Slot Classes

88

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