Benutzerhandbuch für Shanghai SIMCom Wireless Solutions Limited 201802

Inhaltsverzeichnis

• Revision History

  8
• Introduction

  9
• Product Outline

  9
• Hardware Interface Overview

  9
• Hardware Block Diagram

  9
• Functional Overview

  10
• Package Information

  12
• Pin Assignment Overview

  12
• Pin Description

  14
• Mechanical Information

  18
• Footprint Recommendation

  19
• Interface Application

  20
• Power Supply

  20
• Power supply Design Guide

  20
• Recommended Power Supply Circuit

  21
• Voltage Monitor

  22
• Power on/Power off/Reset Function

  22
• Power on

  22
• Power off

  23
• Reset Function

  24
• UART Interface

  25
• UART Design Guide

  25
• RI and DTR Behavior

  27
• USB Interface

  27
• USB Application Guide

  28
• USIM Interface

  28
• USIM Application Guide

  29
• SIM Card Design Guide

  29
• Recommended USIM Card Holder

  30
• PCM Interface

  31
• PCM Timing

  31
• PCM Application Guide

  32
• I2C Interface

  33
• I2C Design Guide

  33
• Network Status

  34
• Operating Status Indication

  34
• Pin Multiplex Function

  34
• Other interface

  35
• Sink Current Source

  35
• ADC

  36
• RF Specifications

  37
• LTE RF Specifications

  37
• LTE Antenna Design Guide

  37
• GNSS

  41
• GNSS Technical specification

  41
• GNSS Application Guide

  42
• Electrical Specifications

  44
• Absolute Maximum Ratings

  44
• Operating Conditions

  44
• Operating Mode

  45
• Operating Mode Definition

  45
• Sleep Mode

  46
• Minimum Functionality Mode and Flight Mode

  46
• Current Consumption

  46
• ESD Notes

  47
• SMT Production Guide

  48
• Top and Bottom View of Module

  48
• Typical SMT Reflow Profile

  48
• Moisture Sensitivity Level (MSL)

  49
• Stencil Foil Design Recommendation

  49
• Packaging

  50
• Appendix

  52
• A. Reference Design

  52
• B. Coding Schemes and Maximum Net Data Rates over

  53
• C. Related Documents

  55
• D. Terms and Abbreviations

  57
• E. Safety Caution

  59