Benutzerhandbuch für Gemalto M2M GmbH ELS81-US

Inhaltsverzeichnis

• Contents

  3
• Tables

  6
• Figures

  7
• 1 Introduction

  9
  • 1.1 Key Features at a Glance

    9
  • 1.2 ELS81-US System Overview

    12
  • 1.3 Circuit Concept

    13
• 2 Interface Characteristics

  15
  • 2.1 Application Interface

    15
    • 2.1.1 Pad Assignment

      15
    • 2.1.2 Signal Properties

      17
      • 2.1.2.1 Absolute Maximum Ratings

        23
    • 2.1.3 USB Interface

      24
      • 2.1.3.1 Reducing Power Consumption

        25
    • 2.1.4 Serial Interface ASC0

      26
    • 2.1.5 Serial Interface ASC1

      28
    • 2.1.6 UICC/SIM/USIM Interface

      30
      • 2.1.6.1 Enhanced ESD Protection for SIM Interface

        32
    • 2.1.7 RTC Backup

      33
    • 2.1.8 GPIO Interface

      34
    • 2.1.9 I2C Interface

      36
    • 2.1.10 SPI Interface

      38
    • 2.1.11 PWM Interfaces

      39
    • 2.1.12 Pulse Counter

      39
    • 2.1.13 Control Signals

      39
      • 2.1.13.1 Status LED

        39
      • 2.1.13.2 Power Indication Circuit

        40
      • 2.1.13.3 Host Wakeup

        40
      • 2.1.13.4 Fast Shutdown

        41
  • 2.2 RF Antenna Interface

    42
    • 2.2.1 Antenna Interface Specifications

      42
    • 2.2.2 Antenna Installation

      44
    • 2.2.3 RF Line Routing Design

      45
      • 2.2.3.1 Line Arrangement Examples

        45
      • 2.2.3.2 Routing Example

        50
  • 2.3 Sample Application

    51
    • 2.3.1 Sample Level Conversion Circuit

      53
• 3 Operating Characteristics

  54
  • 3.1 Operating Modes

    54
  • 3.2 Power Up/Power Down Scenarios

    55
    • 3.2.1 Turn on ELS81-US

      55
      • 3.2.1.1 Connecting ELS81-US BATT+ Lines

        55
      • 3.2.1.2 Switch on ELS81-US Using ON Signal

        57
      • 3.2.1.3 Automatic Power On

        58
    • 3.2.2 Restart ELS81-US

      59
      • 3.2.2.1 Restart ELS81-US via AT+CFUN Command

        59
      • 3.2.2.2 Restart ELS81-US Using EMERG_RST

        60
    • 3.2.3 Signal States after Startup

      61
    • 3.2.4 Turn off ELS81-US

      62
      • 3.2.4.1 Switch off ELS81-US Using AT Command

        62
    • 3.2.5 Automatic Shutdown

      64
      • 3.2.5.1 Thermal Shutdown

        64
      • 3.2.5.2 Undervoltage Shutdown

        65
      • 3.2.5.3 Overvoltage Shutdown

        65
  • 3.3 Power Saving

    66
    • 3.3.1 Power Saving while Attached to WCDMA Networks

      66
    • 3.3.2 Power Saving while Attached to LTE Networks

      67
    • 3.3.3 Wake-up via RTS0

      68
  • 3.4 Power Supply

    69
    • 3.4.1 Power Supply Ratings

      69
    • 3.4.2 Measuring the Supply Voltage (VBATT+)

      72
    • 3.4.3 Monitoring Power Supply by AT Command

      72
  • 3.5 Operating Temperatures

    73
  • 3.6 Electrostatic Discharge

    74
    • 3.6.1 ESD Protection for Antenna Interfaces

      74
  • 3.7 Blocking against RF on Interface Lines

    75
  • 3.8 Reliability Characteristics

    77
• 4 Mechanical Dimensions, Mounting and Packaging

  78
  • 4.1 Mechanical Dimensions of ELS81-US

    78
  • 4.2 Mounting ELS81-US onto the Application Platform

    80
    • 4.2.1 SMT PCB Assembly

      80
      • 4.2.1.1 Land Pattern and Stencil

        80
      • 4.2.1.2 Board Level Characterization

        82
    • 4.2.2 Moisture Sensitivity Level

      82
    • 4.2.3 Soldering Conditions and Temperature

      83
      • 4.2.3.1 Reflow Profile

        83
      • 4.2.3.2 Maximum Temperature and Duration

        84
    • 4.2.4 Durability and Mechanical Handling

      85
      • 4.2.4.1 Storage Conditions

        85
      • 4.2.4.2 Processing Life

        86
      • 4.2.4.3 Baking

        86
      • 4.2.4.4 Electrostatic Discharge

        86
  • 4.3 Packaging

    87
    • 4.3.1 Tape and Reel

      87
      • 4.3.1.1 Orientation

        87
      • 4.3.1.2 Barcode Label

        88
    • 4.3.2 Shipping Materials

      89
      • 4.3.2.1 Moisture Barrier Bag

        89
      • 4.3.2.2 Transportation Box

        91
    • 4.3.3 Trays

      92
• 5 Regulatory and Type Approval Information

  93
  • 5.1 Directives and Standards

    93
  • 5.2 SAR requirements specific to portable mobiles

    96
  • 5.3 Reference Equipment for Type Approval

    97
  • 5.4 Compliance with FCC and IC Rules and Regulations

    98
• 6 Document Information

  100
  • 6.1 Revision History

    100
  • 6.2 Related Documents

    100
  • 6.3 Terms and Abbreviations

    100
  • 6.4 Safety Precaution Notes

    104
• 7 Appendix

  105
  • 7.1 List of Parts and Accessories

    105