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Control Unit
LE940B6
Titan LE940B6 Manuals
Manuals and User Guides for Titan LE940B6. We have
1
Titan LE940B6 manual available for free PDF download: Hw User Manual
Titan LE940B6 Hw User Manual (111 pages)
Brand:
Titan
| Category:
Control Unit
| Size: 3 MB
Table of Contents
Table of Contents
6
1 Introduction
10
Scope
10
Audience
10
Contact Information, Support
11
Text Conventions
11
Related Documents
12
Document Organization
12
2 Product Description
14
Overview
14
Applications
14
General Functionality and Main Features
15
Environmental Requirements
16
Temperature Range
16
Rohs Compliance
16
Operating Frequency Bands
17
RF Bands Per Regional Variant
17
Reference Table of RF Bands Characteristics
18
Sensitivity
21
LE940B6 Mechanical Specifications
22
Dimensions
22
Weight
22
3 Le940B6 Module Connections
23
Pin-Out
23
LE940B6 Signals that Must be Connected
40
LGA Pads Layout
42
4 Electrical Specifications
43
Absolute Maximum Ratings - Not Operational
43
Recommended Operating Conditions
43
Logic Level Specifications
44
Standard Gpios
44
1.8V I2C Pads
44
V/2.9V SIM Pads
45
Usb
45
2.5V/3.3V EMAC Interface for RMII and RGMII
46
5 Hardware Commands
47
Turning on the LE940B6 Module
47
Initialization and Activation State
47
Turning off the LE940B6 Module
51
Shutdown by Software Command
52
Hardware Shutdown
53
Unconditional Hardware Reset (RESET_N)
54
Unconditional Hardware Shutdown
55
6 Power Supply
57
Power Supply Requirements
57
General Design Rules
60
Electrical Design Guidelines
60
Input Source Power Supply - Design Guidelines
60
Input Source Power Supply - Design Guidelines
61
Battery Source Power Supply - Design Guidelines
63
Thermal Design Guidelines
63
Power Supply PCB Layout Guidelines
64
7 Antenna(S)
66
GSM/WCDMA/TD-SCDMA/LTE Antenna Requirements
66
GSM/WCDMA/TD-SCDMA/LTE Antenna - PCB Line Guidelines
66
GSM/WCDMA/TD-SCDMA/LTE Antenna - Installation Guidelines
67
Secondary Antenna Requirements
68
PCB Guidelines in Case of FCC Certification
68
Transmission Line Design
68
Transmission Line Measurements
69
8 Hardware Interfaces
71
USB Port
72
Serial Ports
74
Modem Serial Port 1
74
Modem Serial Port 2
75
Modem Serial Port 3
76
RS232 Level Translation
77
Peripheral Ports
79
SPI - Serial Peripheral Interface
79
I2C - Inter-Integrated Circuit
80
Ethernet Interface
80
Audio Interface
82
Analog Audio
82
Digital Audio
82
General Purpose I/O
83
Using a GPIO Pad as Input
84
Using a GPIO Pad as Output
84
9 Miscellaneous Functions
85
Indication of Network Service Availability
85
RTC - Real Time Clock
85
VAUX Power Output
86
ADC Converter
86
Description
86
Using the ADC Converter
86
Using the Temperature Monitor Function
86
Fuel Gauge (TBD)
87
Efuse
87
10 Mounting the Module on Your Board
88
General
88
Finishing & Dimensions
88
Recommended Footprint for the Application
89
Stencil
90
PCB Pad Design
90
Recommendations for PCB Pad Dimensions (MM)
91
Solder Paste
92
Solder Reflow
92
11 Application Guide
94
Debug of the LE940B6 Module in Production
94
Bypass Capacitor on Power Supplies
95
SIM Interface
96
SIM Schematic Example
96
EMC Recommendations
97
Download and Debug Port
97
Antenna Detection
98
12 Packing System
99
Tray Drawing
101
Moisture Sensitivity
101
13 Conformity Assessment Issues
102
FCC/IC Regulatory Notices
102
RED Regulatory Notices
104
14 Safety Recommendations
106
15 Acronyms
107
16 Document History
109
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