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LE910Cx
Telit Wireless Solutions LE910Cx Manuals
Manuals and User Guides for Telit Wireless Solutions LE910Cx. We have
1
Telit Wireless Solutions LE910Cx manual available for free PDF download: Hardware User's Manual
Telit Wireless Solutions LE910Cx Hardware User's Manual (117 pages)
Brand:
Telit Wireless Solutions
| Category:
Control Unit
| Size: 2 MB
Table of Contents
Table of Contents
5
1 Introduction
13
Scope
13
Audience
13
Contact Information, Support
13
Text Conventions
14
Related Documents
15
Table 2: Related Documents
15
Abbreviations
16
2 General Product Description
17
Overview
17
Applications
17
Table 1: Applicability Table
17
General Functionality and Main Features
18
VV0301298 Rev. 1.05 - 2017
18
Block Diagram
21
Figure 1: Le910Cx Block Diagram
21
Environmental Requirements
22
Temperature Range
22
Rohs Compliance
22
Frequency Bands
23
RF Bands Per Regional Variant
23
Table 3: RF Bands Per Regional Variant
23
Reference Table of RF Bands Characteristics
24
Table 4: RF Bands Characteristics
24
Sensitivity
26
Le910Cx Mechanical Specifications
27
Dimensions
27
Weight
27
3 Le910Cx Module Connections
28
Pin-Out
28
Table 5: Le910Cx Pin-Out
28
Le910Cx - Signals that Must be Connected
39
Table 6: Mandatory Signals
39
LGA Pads Layout
41
Figure 2: LGA Pads Layout
41
Backward Compatibility to Xe910 Family
42
Figure 3: Le910Cx Vs. LE910 Pin-Out Comparison (Top View)
42
4 Electrical Specifications
43
Absolute Maximum Ratings - Not Operational
43
Recommended Operating Conditions
43
Table 7: Absolute Maximum Ratings - Not Operational
43
Table 8: Recommended Operating Conditions
43
Logic Level Specifications
44
1.8V Pads - Absolute Maximum Ratings
44
1.8V Standard Gpios
44
Table 9: Absolute Maximum Ratings - Not Functional
44
Table 10: Operating Range - Interface Levels (1.8V CMOS)
44
1.8V SD Card Pads
45
1.8V SIM Card Pads
45
Table 11: Operating Range - SD Card Pads Working at 1.8V
45
Table 12: Operating Range - SIM Pads Working at 1.8V
45
Dual Voltage Pads - Absolute Maximum Ratings
46
SD Card Pads @ 2.95V
46
Table 13: Absolute Maximum Ratings - Not Functional
46
Table 14: Operating Range - for SD Card Pads Operating at 2.95V
46
SIM Card Pads @2.95V
47
Table 15: Operating Range - for SIM Pads Operating at 2.95V
47
5 Hardware Commands
48
Turning on the Le910Cx Module
48
Initialization and Activation State
48
Figure 4: Power-On Circuit
48
Figure 5: Le910Cx Initialization and Activation
49
Turning off the Le910Cx Module
50
Shutdown by Software Command
50
Figure 6: Shutdown by Software Command
50
Hardware Shutdown
51
Figure 7: Hardware Shutdown
51
Unconditional Hardware Shutdown
52
Figure 8: Circuit for Unconditional Hardware Shutdown
52
Figure 9 Power down Timing Using HW_SHUTDOWN_N
52
6 Power Supply
53
Power Supply Requirements
53
Table 16: Power Supply Requirements
53
Table 17: Le910Cx Current Consumption
53
General Design Rules
55
Electrical Design Guidelines
55
+ 5V Input Source Power Supply - Design Guidelines
55
Figure 10: Example of Linear Regulator with 5V Input
57
Input Source Power Supply - Design Guidelines
57
Figure 11: Example of Switching Regulator with 12V Input - Part 1
58
Figure 12: Example of Switching Regulator with 12V Input - Part 2
58
Battery Source Power Supply - Design Guidelines
59
Thermal Design Guidelines
60
Power Supply PCB Layout Guidelines
61
7 Antenna(S)
62
GSM/WCDMA/LTE Antenna Requirements
62
Table 18: GSM / WCDMA/ LTE Antenna Requirements
62
Table 19: Antenna Line on PCB Requirements
62
GSM/WCDMA/LTE Antenna - PCB Line Guidelines
63
GSM/WCDMA/LTE Antenna - Installation Guidelines
64
Antenna Diversity Requirements
64
Table 20: Antenna Diversity Requirements
64
GNSS Antenna Requirements
65
Combined GNSS Antenna
65
Linear and Patch GNSS Antenna
65
Front End Design Considerations
65
GNSS Antenna - PCB Line Guidelines
66
Table 21: Antenna Line on PCB Requirements
66
GNSS Antenna - Installation Guidelines
67
8 Hardware Interfaces
68
Table 22: Le910Cx Hardware Interfaces
68
USB Port
69
Table 23: USB Interface Signals
69
HSIC Interface
70
SGMII Interface (Optional)
70
Ethernet Control Interface
70
Table 25: Ethernet Control Interface Signals
70
Serial Ports
71
Modem Serial Port 1 Signals
72
Table 24: Modem Serial Port 1 Signals
72
Modem Serial Port 2
73
Table 25 Modem Serial Port 2 Signals
73
Figure 13: RS232 Level Adaption Circuitry Example
74
RS232 Level Translation
74
Figure 14: RS232 Serial Port Lines Connection Layout
75
Peripheral Ports
76
Figure 15: SPI Signal Connectivity
76
SPI - Serial Peripheral Interface
76
Table 26: SPI Signals
76
I2C - Inter-Integrated Circuit
77
SD/MMC Card Interface
77
Figure 16: SD/MMC Interface Connectivity
78
Table 27: SD Card Signals
78
Table 28: Wifi SDIO Interface Signals
79
Wifi SDIO Interface
79
Audio Interface
81
Digital Audio
81
Table 29: Digital Audio Interface (DVI) Signals
81
Figure 17: Primary PCM Timing
82
Short Frame Timing Diagrams
82
Table 30: PCM_CODEC Timing Parameters
83
Figure 18: Auxiliary PCM Timing
84
Long Frame Timing Diagrams
84
Table 31: AUX_PCM_CODEC Timing Parameters
85
General Purpose I/O
86
Table 32: Primary Gpios
86
Using a GPIO Pad as an Interrupt / Wakeup Source
88
Using a GPIO Pad as Input
88
Using a GPIO Pad as Output
88
Figure 19: GPIO Output Pad Equivalent Circuit
89
9 Miscellaneous Functions
90
Indication of Network Service Availability
90
Table 33: Network Service Availability Indication
90
Figure 20: Status LED Reference Circuit
90
Indication of Software Ready
91
RTC - Real Time Clock
91
VAUX Power Output
91
Table 34: Operating Range - VAUX Power Supply
91
ADC Converter
92
Description
92
Using the ADC Converter
92
Using the Temperature Monitor Function
92
Table 35: ADC Parameters
92
GNSS Characteristics
93
10 Mounting the Module on Your Board
94
General
94
Finishing & Dimensions
94
Figure 21: Le910Cx Mechanical Dimensions (Bottom View)
94
Figure 22: Le910Cx Mechanical Dimensions (Top View)
95
Figure 23: Le910Cx Mechanical Dimensions (Side View)
96
Recommended Footprint for the Application
97
Figure 24: Recommended Footprint - Top View, 181 Pads (Dimensions Are in MM, Top View)
97
Stencil
98
PCB Pad Design
98
Figure 25: PCB Pad Design
98
Recommendations for PCB Pad Dimensions (MM)
99
Table 37: Recommendations for PCB Pad Surfaces
99
Figure 26: PCB Pad Dimensions
99
Solder Paste
100
Solder Reflow
100
Figure 27: Solder Reflow Profile
100
Table 38: Solder Profile Characteristics
101
11 Application Guide
102
Debug of the Le910Cx Module in Production
102
Bypass Capacitor on Power Supplies
103
SIM Interface
104
SIM Schematic Example
104
Table 39: SIM Interface - C1 Range
104
Figure 28: SIM Schematics
104
EMC Recommendations
105
Download and Debug Port
106
Fast Boot Mode
106
Recovery Boot Mode
106
12 Packing System
107
Packing System - Tray
107
Figure 29: Packing
107
Figure 30: Tray Drawing
108
Tape & Reel
109
Figure 31: Module Positioning into the Carrier
109
Figure 32: Carrier Tape Detail
109
Figure 33: Reel Detail
110
Moisture Sensitivity
111
Figure 34: Reel Box Detail
111
13 Safety Recommendations
112
14 Conformity Assessment Issues
113
FCC/ISED Regulatory Notices
113
15 Document History
116
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