Quectel M85 Manuals

Manuals and User Guides for Quectel M85. We have 2 Quectel M85 manuals available for free PDF download: Hardware Design, User Manual

Quectel M85 User Manual (90 pages)

GSM/GPRS Module Series

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

About the Document
3
Table of Contents
4
Contents
4
Introduction
10
Safety Information
11
Product Concept
12
General Description
12
Directives and Standards
12
FCC Statement
12
FCC Radiation Exposure Statement
13
Key Features
13
Functional Diagram
15
Evaluation Board
16
Application Interface
17
Pin of Module
18
Pin Assignment
18
Pin Description
19
Operating Modes
24
Power Supply
25
Power Features of Module
25
Decrease Supply Voltage Drop
25
Reference Design for Power Supply
26
Monitor Power Supply
27
Power on and down Scenarios
27
Power on
27
Figure 7: Turn on the Module with a Button
28
Power down
29
Power down Module Using the PWRKEY Pin
29
Power down Module Using at Command
30
Over-Voltage or Under-Voltage Automatic Shutdown
30
Emergency Shutdown Using EMERG_OFF Pin
31
Restart
32
Power Saving
33
Minimum Functionality Mode
33
SLEEP Mode
34
Wake up Module from SLEEP Mode
34
Summary of State Transition
34
RTC Backup
35
Figure 14: Vrtc Is Supplied by a Non-Chargeable Battery
36
Serial Interfaces
37
Table 6: Logic Levels of the Uart Interface
38
UART Port
39
The Features of UART Port
39
The Connection of UART Port
40
Firmware Upgrade
41
Debug Port
42
Auxiliary UART Port
43
UART Application
43
Figure 24: Sketch Map for Rs-232 Interface Match
44
Audio Interfaces
45
Decrease TDD Noise and Other Noise
46
Microphone Interfaces Design
47
Receiver and Speaker Interface Design
47
Figure 27: Speaker Interface Design with an Amplifier for Aout1
48
Earphone Interface Design
49
Loud Speaker Interface Design
50
Audio Characteristics
50
SIM Card Interfaces
51
Figure 32: Reference Circuit for Sim1 Interface with 8-Pin Sim Card Holder
52
Figure 33: Reference Circuit for Sim1 Interface with the 6-Pin Sim Card Holder
53
SD Card Interface
54
Table 13: Pin Definition of the Sd Card Interface
55
PCM Interface
56
Configuration
57
Timing
57
Figure 36: Long Synchronization & Sign Extension Diagram
58
Reference Design
59
AT Command
59
Adc
60
Table 17: Qpcmon Command Description
60
Behaviors of the RI
61
Figure 41: Ri Behavior of Voice Calling as a Receiver
62
Network Status Indication
63
Operating Status Indication
63
Table 23: Pin Definition of the Status
64
Antenna Interface
65
Reference Design
65
RF Output Power
66
RF Receiving Sensitivity
66
Operating Frequencies
67
Antenna Requirement
67
RF Cable Soldering
68
Electrical, Reliability and Radio Characteristics
69
Absolute Maximum Ratings
69
Operating Temperature
70
Power Supply Ratings
70
Current Consumption
71
Electro-Static Discharge
73
Table 34: the Esd Endurance (Temperature: 25º C, Humidity: 45%)
74
Mechanical Dimensions
75
Mechanical Dimensions of Module
75
Figure 49: M85 Module Bottom Dimensions (Unit: MM)
76
Recommended Footprint
77
Top View of the Module
78
Bottom View of the Module
78
Storage and Manufacturing
79
Storage
79
Soldering
80
Packaging
81
Table 35: Reel Packing
82
Appendix A Reference
83
Table 37: Terms and Abbreviations
84
Appendix B GPRS Coding Scheme
88
Figure 57: Radio Block Structure of Cs-4
89
Appendix C GPRS Multi-Slot Class
90

Quectel M85 Hardware Design (93 pages)

GSM/GPRS Module Series

Brand: Quectel | Category: Control Unit | Size: 2 MB

About the Document

3
- Table of Contents
  4
1 Introduction

10
- Safety Information
  10
2 Product Concept

12
- General Description
  12
- Key Features
  12
- Functional Diagram
  14
- Evaluation Board
  15
3 Application Interface

16
- Pin of Module
  16
  - Pin Assignment
    16
  - Pin Description
    19
- Operating Modes
  24
- Power Supply
  26
- Power on and down Scenarios
  28
  - Power on
    28
  - Power down
    30
    
    Power down Module Using the PWRKEY Pin
    30
    
    Power down Module Using at Command
    31
    
    Over-Voltage or Under-Voltage Automatic Shutdown
    31
    
    Emergency Shutdown Using EMERG_OFF Pin
    32
  - Restart
    33
- Power Saving
  34
  - Minimum Functionality Mode
    34
  - SLEEP Mode
    35
  - Wake up Module from SLEEP Mode
    35
  - Summary of State Transition
    35
- RTC Backup
  36
- Serial Interfaces
  37
  - UART Port
    39
    
    The Features of UART Port
    39
    
    The Connection of UART
    40
    
    Firmware Upgrade
    42
  - Debug Port
    43
  - Auxiliary UART Port
    43
  - UART Application
    44
- Audio Interfaces
  46
- Dual-SIM Card Interface
  52
  - SIM Card Application
    52
  - Pin SIM Cassette
    55
  - 8-Pin SIM Card Holder
    57
- SD Card Interface
  58
- PCM Interface
  60
  - Configuration
    60
  - Timing
    61
  - Reference Design
    63
  - AT Command
    63
- Adc
  64
- Behaviors of the RI
  65
- Network Status Indication
  67
- Operating Status Indication
  67
4 Antenna Interface

69
- RF Reference Design
  69
- RF Output Power
  70
- RF Receiving Sensitivity
  70
- Operating Frequencies
  71
- RF Cable Soldering
  71
5 Electrical, Reliability and Radio Characteristics

72
- Absolute Maximum Ratings
  72
- Operating Temperature
  72
- Power Supply Ratings
  73
- Current Consumption
  74
- Electro-Static Discharge
  77
6 Mechanical Dimensions

78
- Mechanical Dimensions of Module
  78
- Recommended Footprint
  80
- Top View of the Module
  81
- Bottom View of the Module
  81
7 Storage and Manufacturing

82
- Storage
  82
- Soldering
  83

Quectel Categories

Control Unit Motherboard GSM/GPRS Modules Wireless modules Network Hardware

More Quectel Manuals

Quectel M85 Manuals

Quectel M85 User Manual (90 pages)

Table of Contents

Quectel M85 Hardware Design (93 pages)

Table of Contents

About the Document

1 Introduction

2 Product Concept

3 Application Interface

4 Antenna Interface

5 Electrical, Reliability and Radio Characteristics

6 Mechanical Dimensions

7 Storage and Manufacturing

Related Products

Quectel Categories