User manual

CHAPTER 1: OVERVIEW

1. Introduction to the chapter

Thank you for choosing this OLinuXino single board computer from Olimex! This document

provides a user’s guide for the Olimex A20-OLinuXino-LIME2 board. As an overview, this chapter

gives the scope of this document and lists the board’s features. The document’s organization is then

detailed.

The A20-OLinuXino-LIME2 development board enables code development of applications running

on the A20 microcontroller, manufactured by Allwinner Technology from China.

OLinuXino is an open-source, open-hardware project and all design files are available to the

customer.

1.1 Features

The board has the following set of features:

• A20 Cortex-A7 dual-core ARM Cortex-A7 CPU and dual-core Mali 400 GPU

• 1GB DDR3 RAM memory

• 1000MBit native Ethernet

• 4GB NAND FLASH memory (available only on the 4GB version of the board)

• Android already loaded on the NAND (available only on the 4GB version of the board)

• SATA connector with 5V SATA power jack

• Native HDMI

• Capable of FullHD (1080p) video playback

• 2x USB Low-Full-High-Speed hosts with power control and current limiter

• USB-OTG with power control and current limiter

• LiPo Battery connector with battery-charging capabilities

• LCD row of pins (0.05'' step)

• 160 GPIOs on four GPIO rows of pins (0.05'' step)

• MicroSD card connector

• DEBUG-UART connector for console debug with USB-SERIAL-CABLE-F

• Status LED

• Battery charge status LED

• Power LED

• 2KB EEPROM for MAC address storage and more

• 2 BUTTONS with ANDROID functionality + RESET button

• 2 mount holes

• 5V input power supply, noise immune design

• PCB dimensions: 84×60 mm

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