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Control Unit
M66
Quectel M66 Manuals
Manuals and User Guides for Quectel M66. We have
2
Quectel M66 manuals available for free PDF download: Hardware Design, Manual
Quectel M66 Hardware Design (81 pages)
GSM/GPRS Module
Brand:
Quectel
| Category:
Control Unit
| Size: 1 MB
Table of Contents
About the Document
3
Contents
4
Table of Contents
4
1 Introduction
10
Safety Information
11
2 Product Concept
12
General Description
12
Key Features
13
Functional Diagram
15
Evaluation Board
15
3 Application Interface
16
Pin of Module
17
Pin Assignment
17
Pin Description
18
Operating Modes
22
Power Supply
23
Power Features of Module
23
Decrease Supply Voltage Drop
24
Reference Design for Power Supply
24
Monitor Power Supply
25
Power on and down Scenarios
25
Power on
25
Power down
27
Power down Module Using the PWRKEY Pin
27
Power down Module Using at Command
28
Under-Voltage Automatic Shutdown
29
Restart
29
Power Saving
30
Minimum Functionality Mode
30
SLEEP Mode
30
Wake up Module from SLEEP Mode
31
Summary of State Transition
31
RTC Backup
31
Serial Interfaces
33
UART Port
35
The Feature of UART Port
35
The Connection of UART
36
Firmware Upgrade
37
Debug Port
38
Auxiliary UART Port
39
UART Application
39
Audio Interfaces
41
Decrease TDD Noise and Other Noise
42
Microphone Interfaces Design
42
Receiver and Speaker Interface Design
43
Earphone Interface Design
45
Audio Characteristics
45
PCM Interface
46
Configuration
46
Timing
47
Reference Design
49
AT Command
49
SIM Card Interface
50
Adc
52
Behaviors of the RI
52
Network Status Indication
54
RF Transmitting Signal Indication
55
4 Antenna Interface
57
GSM Antenna Interface
57
Reference Design
57
RF Output Power
58
RF Receiving Sensitivity
59
Operating Frequencies
59
RF Cable Soldering
60
Bluetooth Antenna Interface
60
5 Electrical, Reliability and Radio Characteristics
62
Absolute Maximum Ratings
62
Operating Temperature
62
Power Supply Ratings
63
Current Consumption
64
Electro-Static Discharge
66
6 Mechanical Dimensions
67
Mechanical Dimensions of Module
67
Recommended Footprint
69
Top View of the Module
70
Bottom View of the Module
70
7 Storage and Manufacturing
71
Storage
71
Soldering
72
Packaging
72
Tape and Reel Packaging
73
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Quectel M66 Manual (32 pages)
Brand:
Quectel
| Category:
GSM/GPRS Modules
| Size: 0 MB
Table of Contents
About the Document
3
Table of Contents
4
Contents
4
Introduction
7
General Descriptions
8
Product Description
8
Features Overview
9
Pin Assignment
11
Pin Description
12
Hardware Reference Design
15
Power Supply
15
Reference Design for Power Supply
15
Reduce Voltage Drop
15
Power-On Circuit
16
Power-Off Circuit
17
Power down Module Via at Command
17
Power down M66 Using PWRKEY Pin
18
Reset BC68
19
Network Status Indication
20
U)SIM Interface
20
UART Interfaces
21
ADC Interface
22
RF Antenna Interface
23
Recommended Footprint and Stencil Design
24
Recommended Compatible Footprint
24
Recommended Stencil Design
26
Installation Sketch Map
28
Manufacturing and Packaging
29
Soldering
29
Packaging
30
BC68 and M66 Packaging
30
Appendix A References
31
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