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LE910C1C1
Telit Wireless Solutions LE910C1C1 Manuals
Manuals and User Guides for Telit Wireless Solutions LE910C1C1. We have
1
Telit Wireless Solutions LE910C1C1 manual available for free PDF download: Hardware User's Manual
Telit Wireless Solutions LE910C1C1 Hardware User's Manual (119 pages)
Brand:
Telit Wireless Solutions
| Category:
Control Unit
| Size: 3 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
Block Diagram
21
Figure 1: LE910C1 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
RF Parameters
27
Sensitivity
27
Output Power
27
LE910C1 Mechanical Specifications
28
Dimensions
28
Weight
28
3 LE910C1 Module Connections
29
Pin-Out
29
Table 5: LE910C1 Pin-Out
29
LE910C1 - Signals that Must be Connected
40
Table 6: Mandatory Signals
40
LGA Pads Layout
42
Figure 2: LGA Pads Layout
42
Backward Compatibility to Xe910 Family
43
Figure 3: LE910C1 Vs. LE910 Pin-Out Comparison (Top View)
43
4 Electrical Specifications
44
Absolute Maximum Ratings - Not Operational
44
Recommended Operating Conditions
44
Table 7: Absolute Maximum Ratings - Not Operational
44
Table 8: Recommended Operating Conditions
44
Logic Level Specifications
45
1.8V Pads - Absolute Maximum Ratings
45
1.8V Standard Gpios
45
Table 9: Absolute Maximum Ratings - Not Functional
45
Table 10: Operating Range - Interface Levels (1.8V CMOS)
45
1.8V SD Card Pads
46
1.8V SIM Card Pads
46
Table 11: Operating Range - SD Card Pads Working at 1.8V
46
Table 12: Operating Range - SIM Pads Working at 1.8V
46
Dual Voltage Pads - Absolute Maximum Ratings
47
SD Card Pads @ 2.95V
47
Table 13: Absolute Maximum Ratings - Not Functional
47
Table 14: Operating Range - for SD Card Pads Operating at 2.95V
47
SIM Card Pads @2.95V
48
Table 15: Operating Range - for SIM Pads Operating at 2.95V
48
5 Hardware Commands
49
Turning on the LE910C1 Module
49
Initialization and Activation State
49
Figure 4: Power-On Circuit
49
Figure 5: LE910C1 Initialization and Activation
50
Turning off the LE910C1 Module
52
Shutdown by Software Command
52
Figure 6: Shutdown by Software Command
52
Hardware Shutdown
53
Figure 7: Hardware Shutdown
53
Unconditional Hardware Shutdown
54
Figure 8: Circuit for Unconditional Hardware Shutdown
54
Figure 9 Power down Timing Using HW_SHUTDOWN_N
54
6 Power Supply
55
Power Supply Requirements
55
Table 16: Power Supply Requirements
55
Table 17: LE910C1 Current Consumption
55
General Design Rules
58
Electrical Design Guidelines
58
+ 5V Input Source Power Supply - Design Guidelines
58
Figure 10: Example of Linear Regulator with 5V Input
59
Input Source Power Supply - Design Guidelines
59
Figure 11: Example of Switching Regulator with 12V Input - Part 1
60
Figure 12: Example of Switching Regulator with 12V Input - Part 2
60
Battery Source Power Supply - Design Guidelines
61
Thermal Design Guidelines
62
Power Supply PCB Layout Guidelines
63
7 Antenna(S)
64
GSM/WCDMA/LTE Antenna Requirements
64
Table 18: GSM / WCDMA/ LTE Antenna Requirements
64
Table 19: Antenna Line on PCB Requirements
64
GSM/WCDMA/LTE Antenna - PCB Line Guidelines
65
GSM/WCDMA/LTE Antenna - Installation Guidelines
66
Antenna Diversity Requirements
66
Table 20: Antenna Diversity Requirements
66
GNSS Antenna Requirements
67
Combined GNSS Antenna
67
Linear and Patch GNSS Antenna
67
Front End Design Considerations
67
GNSS Antenna - PCB Line Guidelines
68
Table 21: Antenna Line on PCB Requirements
68
GNSS Antenna - Installation Guidelines
69
8 Hardware Interfaces
70
Table 22: LE910C1 Hardware Interfaces
70
USB Port
71
Table 23: USB Interface Signals
71
HSIC Interface
72
SGMII Interface (Optional)
72
Ethernet Control Interface
72
Table 24: Ethernet Control Interface Signals
72
Serial Ports
73
Modem Serial Port 1 Signals
74
Table 25: Modem Serial Port 1 Signals
74
Modem Serial Port 2
75
Table 26 Modem Serial Port 2 Signals
75
Figure 13: RS232 Level Adaption Circuitry Example
76
RS232 Level Translation
76
Figure 14: RS232 Serial Port Lines Connection Layout
77
Peripheral Ports
78
Figure 15: SPI Signal Connectivity
78
SPI - Serial Peripheral Interface
78
Table 27: SPI Signals
78
I2C - Inter-Integrated Circuit
79
SD/MMC Card Interface
79
Figure 16: SD/MMC Interface Connectivity
80
Table 28: SD Card Signals
80
Table 29: Wifi SDIO Interface Signals
81
Wifi SDIO Interface
81
Audio Interface
83
Digital Audio
83
Table 30: Digital Audio Interface (DVI) Signals
83
Figure 17: Primary PCM Timing
84
Short Frame Timing Diagrams
84
Table 31: PCM_CODEC Timing Parameters
85
Figure 18: Auxiliary PCM Timing
86
Long Frame Timing Diagrams
86
Table 32: AUX_PCM_CODEC Timing Parameters
87
General Purpose I/O
88
Table 33: Primary Gpios
88
1VV0301298 Rev. 1.08 - 2017-11-14
90
Using a GPIO Pad as an Interrupt / Wakeup Source
90
Using a GPIO Pad as Input
90
Using a GPIO Pad as Output
90
Figure 19: GPIO Output Pad Equivalent Circuit
91
9 Miscellaneous Functions
92
Indication of Network Service Availability
92
Table 34: Network Service Availability Indication
92
Figure 20: Status LED Reference Circuit
92
Indication of Software Ready
93
RTC - Real Time Clock
93
VAUX Power Output
93
Table 35: Operating Range - VAUX Power Supply
93
ADC Converter
94
Description
94
Using the ADC Converter
94
Using the Temperature Monitor Function
94
Table 36: ADC Parameters
94
GNSS Characteristics
95
10 Mounting the Module on Your Board
96
General
96
Finishing & Dimensions
96
Figure 21: LE910C1 Mechanical Dimensions (Bottom View)
96
Figure 22: LE910C1 Mechanical Dimensions (Top View)
97
Figure 23: LE910C1 Mechanical Dimensions (Side View)
98
Recommended Footprint for the Application
99
Figure 24: Recommended Footprint - Top View, 181 Pads (Dimensions Are in MM, Top View)
99
Stencil
100
PCB Pad Design
100
Figure 25: PCB Pad Design
100
Recommendations for PCB Pad Dimensions (MM)
101
Table 38: Recommendations for PCB Pad Surfaces
101
Figure 26: PCB Pad Dimensions
101
Solder Paste
102
Solder Reflow
102
Figure 27: Solder Reflow Profile
102
Table 39: Solder Profile Characteristics
103
11 Application Guide
104
Debug of the LE910C1 Module in Production
104
Bypass Capacitor on Power Supplies
105
SIM Interface
106
SIM Schematic Example
106
Table 40: SIM Interface - C1 Range
106
Figure 28: SIM Schematics
106
EMC Recommendations
107
Download and Debug Port
108
Fast Boot Mode
108
Recovery Boot Mode
108
12 Packing System
109
Packing System - Tray
109
Figure 29: Packing
109
Figure 30: Tray Drawing
110
Tape & Reel
111
Figure 31: Module Positioning into the Carrier
111
Figure 32: Carrier Tape Detail
111
Figure 33: Reel Detail
112
Moisture Sensitivity
113
Figure 34: Reel Box Detail
113
13 Safety Recommendations
114
14 Conformity Assessment Issues
115
FCC/ISED Regulatory Notices
115
15 Document History
118
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