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A20-SOM
OLIMEX A20-SOM Manuals
Manuals and User Guides for OLIMEX A20-SOM. We have
1
OLIMEX A20-SOM manual available for free PDF download: User Manual
OLIMEX A20-SOM User Manual (41 pages)
System-on-Module boards capable of Linux and Android boot
Brand:
OLIMEX
| Category:
Motherboard
| Size: 1 MB
Table of Contents
Disclaimer
2
Table of Contents
3
Chapter 1: Overview
5
Introduction to the Chapter
5
Introduction to SOM (System-On-A-Module)
5
Target Market of the Board
6
Features of A20-SOM
6
Board Variants
7
Board Versions Used in the Manual
7
Document Organization
7
Chapter 2: Setting up the A20-Som Board
8
Introduction to the Chapter
8
Electrostatic and Electrical Polarity Warnings
8
Requirements
8
Powering the Board
9
Stand-Alone Powering
9
Mounted Powering
10
Button Functions
10
Interacting with the Board
11
Expanding the Debian File System Space
12
Changing the Default Image Resolution
12
Connecting and Calibrating a Display
15
Android Calibration
16
Debian Calibration
16
Software Support
17
Chapter 3: Board Description
18
Introduction to the Chapter
18
Layout (Top View)
18
Chapter 4: The Allwinner A20 Microcontroller
19
Introduction to the Chapter
19
The Processor
19
Block Diagram
20
Chapter 5: Control Circuity
21
Introduction to the Chapter
21
Reset
21
Clocks
21
Power Supply Circuit
21
Chapter 6: Connectors and Pinout
22
Introduction to the Chapter
22
Communication with A20-SOM in Linux
22
UART0 Pins
22
Microsd Card Connector
23
SD/MMC Slot
23
Power Pins for External Power Supply
24
GPIO Connectors
24
GPIO-1 (General Purpose Input/Output) 40Pin Connector
25
GPIO-2 (General Purpose Input/Output) 40Pin Connector
26
GPIO-3 (General Purpose Input/Output) 40Pin Connector
27
GPIO-4 (General Purpose Input/Output) 40Pin Connector
28
GPIO-5 (General Purpose Input/Output) 40Pin Connector
29
GPIO-6 (General Purpose Input/Output) 10Pin Connector
29
LCD_CON 40Pin Connector
30
Jumper Description
31
Additional Hardware Components
31
Chapter 7: Schematics
32
Introduction to the Chapter
32
Eagle Schematic
32
Physical Dimensions
32
Chapter 8: Revision History and Support
33
Introduction to the Chapter
33
Document Revision
33
Board Revision
34
Useful Web Links and Purchase Codes
35
Frequently Asked Questions
37
Product Support
41
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OLIMEX Categories
Motherboard
Computer Hardware
Single board computers
Control Unit
Microcontrollers
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