Manuels d'utilisation pour Telit Wireless Solutions GE863-PY

Table des matières

• Overview

  6
• GE863 module connections

  7
• PIN-OUT

  7
• PINS LAYOUT

  10
• Hardware Commands

  11
• Turning ON the GE863-QUAD/PY

  11
• Turning OFF the GE863-QUAD/PY

  12
• Hardware shutdown

  13
• Hardware Unconditional Reboot

  13
• Power Supply

  15
• Power Supply Requirements

  15
• General Design Rules

  16
• Electrical design Guidelines

  16
• 4.2.1.1 + 5V input Source Power Supply Design Guidelines

  16
• 4.2.1.2 + 12V input Source Power Supply Design Guidelines

  17
• 4.2.1.3 Battery Source Power Supply Design Guidelines

  18
• 4.2.1.4 Battery Charge control Circuitry Design Guidelines

  19
• Thermal Design Guidelines

  20
• Power Supply PCB layout Guidelines

  21
• Antenna

  22
• GSM Antenna Requirements

  22
• GSM Antenna - PCB line Guidelines

  23
• GSM Antenna - installation Guidelines

  23
• Serial Ports

  23
• MODEM SERIAL PORT

  24
• MODEM SERIAL PORT 2 (Python Debug)

  26
• RS232 level translation

  26
• 5V UART level translation

  28
• Audio Section Overview

  30
• Microphone Paths Characteristic and Requirements

  32
• General Design Rules

  35
• Other considerations

  35
• Microphone Biasing

  36
• Balanced Microphone Biasing

  36
• Unbalanced Microphone Biasing

  37
• Microphone Buffering

  39
• Buffered Balanced Mic

  39
• Buffered Unbalanced (Single Ended) Microphone .

  41
• OUTPUT LINES (Speaker)

  44
• Short description

  44
• Output Lines Characteristics

  45
• General Design Rules

  46
• Noise Filtering

  46
• Handset Earphone Design

  47
• Hands-Free Earphone (Low Power) Design

  48
• Car Kit Speakerphone Design

  49
• The Evaluation Kit for Telit Modules EVK2

  50
• Short Description

  50
• EVK2 Audio Lines Characteristics

  51
• SIM DESIGN GUIDES

  52
• Data Integrity

  52
• EMI/EMC

  52
• ESD

  52
• SIM Supply

  53
• SCHEMATIC

  53
• LAYOUT

  54
• 10 General Purpose I/O

  55
• Using a GPIO Pad as INPUT

  55
• Using a GPIO Pad as OUTPUT

  55
• Using the Alarm Output GPIO6

  56
• Using the Buzzer Output GPIO7

  56
• 11 DAC and ADC section

  57
• DAC Converter

  57
• Description

  57
• Enabling DAC

  58
• Low Pass Filter Example

  58
• ADC Converter

  59
• Description

  59
• Using ADC Converter

  59
• 12 Camera

  60
• Transchip Camera

  60
• Camera Interface Connectors

  61
• EVB for Transchip camera support

  63
• Block Diagram for supported cameras

  64
• Schematic Diagrams for supported camera

  65
• Example usage script for camera

  66
• 13 Mounting the GE863-QUAD / PY on the Application Board

  67
• General

  67
• Module Finishing & Dimensions

  67
• Recommended foot print for the application

  69
• Debug of the GE863 in Production

  70
• Stencil

  70
• PCB pad Design

  70
• Solder paste

  71
• GE863-QUAD / PY Solder Reflow

  72
• Packing System

  74
• Moisture Sensibility

  76
• 14 Conformity Assessment Issues

  77
• 15 SAFETY RECOMMANDATIONS

  78
• 16 Document Change Log

  79