Manuali utente per ZTE Corporation ZM8300G

Sommario

• OVERVIEW

  7
• SCOPE

  7
• ACRONYMS

  7
• PRODUCT DESCRIPTION

  7
• GENERAL INTRODUCTION

  9
• ABOUT THIS CHAPTER

  9
• FEATURE INTRODUCTION

  9
• APPLICATION DIAGRAM

  11
• CIRCUIT DIAGRAM

  11
• OUTLINE DIMENSIONS DIAGRAM

  12
• 2.6 TRANSFERRED BOARD AND DEBUG BOARD

  13
• APPLICATION INTERFACES

  14
• ABOUT THIS CHAPTER

  14
• DEFINITIONS OF LGA PINS

  14
• Pin Definitions

  14
• Pin Distribution

  18
• POWER INTERFACES

  19
• Overview of Power Pins

  19
• VSYS Primary Power

  19
• VIO Power

  20
• CONTROL SIGNAL INTERFACES

  20
• Overview of Control Signals

  20
• POWN_ON Signal

  20
• RESET_N Signal

  22
• WAKEUP_IN Signal

  23
• WAKEUP_OUT Signal

  24
• PSM_MON Signal

  24
• STATE Signal

  25
• DEBUG_UART INTERFACE

  25
• BLSP INTERFACES

  26
• Pin Description

  26
• UART Interfaces

  26
• SPI Bus Interface

  27
• I C Bus

  29
• GPIO INTERFACES

  30
• USIM INTERFACE

  31
• Pin Description

  31
• Electrical Characteristics and Design Points

  31
• Circuit Recommended for the USIM Card Interface

  32
• USB INTERFACE

  32
• Pin Description

  32
• Design Points and Recommended Circuit

  33
• AUDIO INTERFACES

  34
• Pin Description

  34
• Design Points

  34
• ADC/MPP INTERFACES

  35
• Pin Description

  35
• Design Points

  35
• JTAG INTERFACE

  36
• Pin Description

  36
• Design Points

  37
• ANTENNA INTERFACES

  37
• Pin Description

  37
• Antenna Design Points

  38
• RF CHARACTERISTICS

  39
• ABOUT THIS CHAPTER

  39
• Power Supply

  39
• Operating Current

  39
• REFERENCE DESIGN FOR RF LAYOUT

  39
• TEST STANDARD FOR CONDUCTED RF

  40
• REQUIREMENTS FOR ANTENNA DESIGN

  40
• Key Points for Antenna Design

  40
• Antenna Efficiency

  41
• VSWR

  42
• S11

  42
• Polarization

  42
• Radiation Pattern

  42
• Requirements for IoT Antenna Design

  43
• Precautions for Early Antenna Design

  43
• MECHANICAL CHARACTERISTICS

  44
• ABOUT THIS CHAPTER

  44
• ASSEMBLY PROCEDURE

  44
• Overview

  44
• Steel Mesh

  44
• Reflow Curve

  46
• REPAIR PROCEDURE

  47
• Repair Procedure

  47
• Module Dismantling

  47
• treatment in weld area

  47
• Module Installation

  47
• Visual Inspection

  47
• Feature Validation

  47
• EMC AND ESD PROTECTION

  48