Telit Wireless Solutions LE940B6 Manuals

Manuals and User Guides for Telit Wireless Solutions LE940B6. We have 1 Telit Wireless Solutions LE940B6 manual available for free PDF download: Hardware User's Manual

Telit Wireless Solutions LE940B6 Hardware User's Manual

Telit Wireless Solutions LE940B6 Hardware User's Manual (104 pages)

Brand: Telit Wireless Solutions | Category: Control Unit | Size: 1 MB

Table of Contents

Table 1: Applicability Table
2
Table of Contents
5
1 Introduction

12
- Scope
  12
- Audience
  12
- Contact Information, Support
  12
- Text Conventions
  13
- Related Documents
  14
- Abbreviations
  14
- Table 2: Related Documents
  14
- Document Organization
  15
- Table 3: Document Structure
  15
2 General Product Description

17
- Overview
  17
- Applications
  17
- General Functionality and Main Features
  18
- Figure 1: LE940B6 High-Level Functionality
  18
- Environmental Requirements
  19
  - Temperature Range
    19
  - Rohs Compliance
    19
- Operating Frequency Bands
  20
- Sensitivity
  24
- LE940B6 Mechanical Specifications
  25
  - Dimensions
    25
  - Weight
    25
3 LE940B6 Module Connections

26
4 Electrical Specifications

39
5 Hardware Commands

44
6 Power Supply

54
7 Antenna(S)

63
8 Hardware Interfaces

69
- Table 24: LE940B6 Hardware Interfaces
  69
  - USB Port
    70
  - Table 25: USB Interface Signals
    70
  - Serial Ports
    71
    
    Figure 15: ESD Protection for USB2.0
    71
    
    Modem Serial Port 1
    72
    
    Table 26: Modem Serial Port 1 Signals
    72
    
    Modem Serial Port 2
    73
    
    Modem Serial Port 3
    73
    
    Table 27: Modem Serial Port 2 Signals
    73
    
    Table 28: Modem Serial Port 3 Signals
    73
    
    RS232 Level Translation
    74
    
    Figure 16: RS232 Level Adaption Circuitry Example
    75
    
    Figure 17: RS232 Serial Port Lines Connection Layout
    75
  - Peripheral Ports
    76
    
    SPI - Serial Peripheral Interface
    76
    
    Table 29: SPI Signals
    76
    
    Figure 18: SPI Signal Connectivity
    76
    
    I2C - Inter-Integrated Circuit
    77
  - Ethernet Interface
    77
  - Table 30: Ethernet Interface
    77
  - Audio Interface
    78
    
    Analog Audio
    78
    
    Table 31: Analog Audio Signals
    78
    
    Digital Audio
    79
  - General Purpose I/O
    79
    
    Table 32: Digital Audio Interface (DVI) Signals
    79
    
    Table 33: Gpios
    79
    
    Using a GPIO Pad as Input
    80
    
    Using a GPIO Pad as Output
    80
    
    Figure 19: GPIO Output Pad Equivalent Circuit
    81
9 Miscellaneous Functions

82
- Indication of Network Service Availability
  82
- Table 34: Network Service Availability Indication
  82
- Figure 20: Status LED Circuit Example
  82
- RTC - Real Time Clock
  83
- VAUX Power Output
  83
- ADC Converter
  83
- Using the Temperature Monitor Function
  84
- Fuel Gauge (TBD)
  84
- Efuse
  84
- Figure 21: Fuel Gauge Connectivity Example
  84
10 Mounting the Module on Your Board

85
- General
  85
- Finishing & Dimensions
  85
- Recommended Footprint for the Application
  86
- Figure 22: Application Module Top View
  86
- Stencil
  87
- PCB Pad Design
  87
- Figure 23: PCB Pad Design
  87
- Recommendations for PCB Pad Dimensions (MM)
  88
- Table 37: Recommendations for PCB Pad Surfaces
  88
- Figure 24: PCB Pad Dimensions
  88
- Figure 25: Inhibit Area for Micro-Via
  88
- Solder Paste
  89
11 Application Guide

91
- Debug of the LE940B6 Module in Production
  91
- Bypass Capacitor on Power Supplies
  92
- SIM Interface
  93
- EMC Recommendations
  94
- Download and Debug Port
  94
- Table 40: EMC Recommendations
  94
- Antenna Detection
  95
12 Packing System

96
- Table 41: Tray Packing
  96
  - Table 42: Packing Quantities
    96
  - Figure 28: Tray Packing
    97
  - Figure 29: Tray Drawing
    98
  - Moisture Sensitivity
    98
  - Tray Drawing
    98
13 Conformity Assessment Issues

99
- FCC/IC Regulatory Notices
  99
14 Safety Recommendations

101
15 Document History

102
- Table 43: Document Revision History
  102

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