Advantech SOM-4481 Series Manuals

Manuals and User Guides for Advantech SOM-4481 Series. We have 1 Advantech SOM-4481 Series manual available for free PDF download: Design Manual

Advantech SOM-4481 Series Design Manual

Advantech SOM-4481 Series Design Manual (133 pages)

System On Modules

Brand: Advantech | Category: Motherboard | Size: 4.87 MB

Table of Contents

Table of Contents
3
Chapter 1 Introduction

9
- Terminology
  9
- Referenced Documents
  10
Chapter 2 SOM-ETX Overview

11
- Overview
  11
- Specifications
  13
  - Som-4481
    14
  - Som-4486
    16
  - Som-4475
    18
  - Som-4472
    20
  - Som-4470
    22
  - Som-4451
    24
  - Som-4450
    26
  - Som-Db4400
    28
- System Resources
  29
  - SOM-4481 Resources
    29
  - SOM-4475 IRQ Resources
    32
  - SOM-4472 Resources
    34
    
    Ethernet AC Spec
    50
    
    I2C AC Spec
    50
    
    Smbus AC Spec
    50
    
    TV-Out Bus AC Spec
    50
    
    PCI-Bus
    61
    
    Signal Description
    61
    
    Design Guidelines
    62
    
    Layout Guidelines
    65
    
    Application Notes
    67
    
    Signal Description
    68
    
    Universal Serial Bus (USB)
    68
    
    Design Guideline
    69
    
    Layout Guideline
    70
    
    Audio Codec 97(AC'97)
    72
    
    Signal Description
    72
    
    Design Note
    73
    
    Layout Requirement
    74
    
    ISA-Bus
    75
    
    Signal Description
    75
    
    Design Guideline
    77
    
    Layout Guideline
    78
    
    Design Guideline
    79
    
    Signal Description
    79
    
    Vga
    79
    
    Layout Guideline
    80
    
    Lvds/Ttl Lcd
    81
    
    Signal Description
    81
    
    Design Guideline
    82
    
    Layout Requirement
    83
    
    Ide0/Ide1
    84
    
    Signal Description
    84
    
    Design Guideline
    86
    
    Layout Guideline
    88
    
    Design Guideline
    89
    
    Ethernet
    89
    
    Signal Description
    89
    
    Layout Guideline
    90
    
    Serial Port(Com1/Com2)
    92
    
    Signal Description
    92
    
    Design Note
    93
    
    Layout Requirement
    93
    
    Lpt/Floppy
    93
    
    Signal Description
    94
    
    Design Note
    95
    
    Layout Requirement
    98
    
    PS/2 Keyboard and Mouse
    100
    
    Signal Description
    100
    
    Design Note
    101
    
    Layout Requirement
    101
    
    EMI Consideration
    102
    
    Signal Description
    102
    
    TV-Out
    102
    
    Design Guideline
    103
    
    Layout Guideline
    104
    
    Design Guideline
    106
    
    Irda
    106
    
    Signal Description
    106
    
    Layout Guideline
    107
    
    Miscellaneous
    108
    
    Miscellaneous Signal Description
    108
    
    Speaker
    109
    
    Battery
    110
    
    I2C Bus
    110
    
    Power Good / Reset Input
    111
    
    Smbus
    111
    
    ATX Power Supply Control
    112
    
    External SMI Interrupt
    113
    
    Wake on Ring
    113
    
    SOM Power Consumption
    115
    
    ATX Power Delivery Block Diagram
    116
    
    Design Guidelines
    116
    
    AT Power Delivery Block Diagram
    117
    
    Non-Used 3.3V Pins on SOM Connector
    117
    
    SOM-ETX Mechanical Dimensions
    118
    
    Hirose FX8 and FX8C Series Information (Reference to Hirose Spec)
    120
  - Nominal Board Stack-Up
    57
  - Four Layer Board Stack-Up
    58
  - Six Layer Board Stack-Up
    59
  - Alternate Stack Ups
    60
Chapter 3 Pin Assignments

51
Chapter 4 General Design Recommendations

57
Chapter 5 Carrier Board Design Guidelines

61
Chapter 6 Power Delivery Guidelines

115
Chapter 7 Carrier Board Mechanical Design Guidelines

118
Chapter 8 Heatsink Recommended Design

122
- Material of Heatsink
  122
- Air Intake Clearance and Airflow of Heatsink
  123
- Attachment Method of Thermal Solution
  123
- Grounding Issues
  123
- Thermal Interface Material
  123
- EXT-SOM Heatsink Specification
  124
- Advantech Heatsink Information
  125
- Heatsink
  125
- Screw
  131
- Thermal Pad
  131
- Vendor List
  131
- Fan
  132
- Test Results
  133

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