a13-olinuxino and a13-olinuxino-wifi

A13-OLinuXino and A13-OLinuXino-WIFI

Open-source single-board system capable of booting Linux or Android

USER’S MANUAL

Document revision J, October 2017Designed by OLIMEX Ltd, 2012

All boards produced by Olimex LTD are ROHS compliant

OLIMEX© 2017 A13-OLinuXino user's manual

DISCLAIMER

© 2017 Olimex Ltd. Olimex®, logo and combinations thereof, are registered trademarks of Olimex Ltd.Other product names may be trademarks of others and the rights belong to their respective owners.

The information in this document is provided in connection with Olimex products. No license, expressor implied or otherwise, to any intellectual property right is granted by this document or in connectionwith the sale of Olimex products.

The Hardware project is released under the Creative Commons Attribution-Share Alike 3.0 United StatesLicense. You may reproduce it for both your own personal use, and for commercial use. You will have toprovide a link to the original creator of the project http://www.olimex.com on any documentation or website.

You may also modify the files, but you must then release them as well under the same terms. Credit can beattributed through a link to the creator website: http://www.olimex.com

The software is released under GPL.

It is possible that the pictures in this manual differ from the latest revision of the board.

The product described in this document is subject to continuous development and improvements. Allparticulars of the product and its use contained in this document are given by OLIMEX in good faith.However all warranties implied or expressed including but not limited to implied warranties ofmerchantability or fitness for purpose are excluded. This document is intended only to assist the reader in theuse of the product. OLIMEX Ltd. shall not be liable for any loss or damage arising from the use of anyinformation in this document or any error or omission in such information or any incorrect use of theproduct.

This evaluation board/kit is intended for use for engineering development, demonstration, or evaluationpurposes only and is not considered by OLIMEX to be a finished end-product fit for general consumer use.Persons handling the product must have electronics training and observe good engineering practicestandards. As such, the goods being provided are not intended to be complete in terms of required design-,marketing-, and/or manufacturing-related protective considerations, including product safety andenvironmental measures typically found in end products that incorporate such semiconductor components orcircuit boards.

Olimex currently deals with a variety of customers for products, and therefore our arrangement with the useris not exclusive. Olimex assumes no liability for applications assistance, customer product design, softwareperformance, or infringement of patents or services described herein.

THERE IS NO WARRANTY FOR THE DESIGN MATERIALS AND THECOMPONENTS USED TO CREATE A13-OLINUXINO AND A13-OLINUXINO-WIFI. THEY ARE CONSIDERED SUITABLE ONLY FOR A13-OLINUXINO ANDA13-OLINUXINO-WIFI.

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Table of Contents

DISCLAIMER ............................................................................................................. 2CHAPTER 1: OVERVIEW ........................................................................................ 5

1. Introduction to the chapter ....................................................................................................... 51.1 Features ..................................................................................................................................... 5

1.2 Target market and purpose of the board ............................................................................... 61.3 Board variants .......................................................................................................................... 6

1.4 Document organization ........................................................................................................... 7

CHAPTER 2: SETTING UP THE OLINUXINO BOARD ..................................... 82. Introduction to the chapter ....................................................................................................... 82.1 Electrostatic warning ............................................................................................................... 8

2.2 Requirements ........................................................................................................................... 82.3 Powering the board .................................................................................................................. 9

2.4 Prebuilt software .................................................................................................................... 102.5 Button functions in Android .................................................................................................. 11

2.6 How we configured the Android image ................................................................................ 112.6.1. Getting the Android SDK tools ................................................................................................................... 112.6.2. Adding information for the board in the Linux ........................................................................................ 112.6.3. Installing the SDK tools .............................................................................................................................. 122.6.4. Connecting the A13-OLinuXino ................................................................................................................ 122.6.5. Downloading the default config file and script tool .................................................................................. 132.6.6. Applying the script and uploading the confing ......................................................................................... 132.6.7. Restarting the A13-OLinuXino .................................................................................................................. 13

2.7 GPIO under Debian ............................................................................................................... 142.8 I2C and SPI under Debian .................................................................................................... 15

2.9 Software support .................................................................................................................... 15

CHAPTER 3: A13-OLINUXINO BOARD DESCRIPTION ................................. 173. Introduction to the chapter ..................................................................................................... 173.1 Layout (top view) ................................................................................................................... 17

CHAPTER 4: THE ALLWINNER A13 MICROCONTROLLER ....................... 184. Introduction to the chapter ..................................................................................................... 18

4.1 The microcontroller ............................................................................................................... 184.2 Block diagram ........................................................................................................................ 20

CHAPTER 5: CONTROL CIRCUITY ................................................................... 215. Introduction to the chapter ..................................................................................................... 21

5.1 Reset ........................................................................................................................................ 215.2 Clocks ...................................................................................................................................... 21

5.3 Power supply circuit .............................................................................................................. 21

CHAPTER 6: CONNECTORS AND PINOUT ...................................................... 226. Introduction to the chapter ..................................................................................................... 22

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6.1 Communication with the A13 ............................................................................................... 226.1.1 USB communication ..................................................................................................................................... 226.1.2 UART1 interface ........................................................................................................................................... 23

6.2 SD/MMC slot .......................................................................................................................... 24

6.3 UEXT module ......................................................................................................................... 256.4 GPIO-1 (General Purpose Input/Output) 10pin connector ............................................... 26

6.5 GPIO-2 (General Purpose Input/Output) 40pin connector ............................................... 276.6 LCD_CON 40pin connector .................................................................................................. 28

6.7 PWR Jack ............................................................................................................................... 296.8 Headphones and microphone connector .............................................................................. 29

6.9 Battery connector ................................................................................................................... 306.7 VGA video connector ............................................................................................................. 30

6.8 Jumper description ................................................................................................................ 316.8.1 CE_NAND_E ................................................................................................................................................ 316.8.2 3.3V_OPTION, 1.5V_E ................................................................................................................................ 316.8.3 5V_E .............................................................................................................................................................. 316.8.4 HOST_EN, 5V_E_WIFI, WIFI-3.3V/5V_USB .......................................................................................... 31

6.9 Additional hardware components ........................................................................................ 32

CHAPTER 7: SCHEMATICS .................................................................................. 337. Introduction to the chapter ..................................................................................................... 33

7.1 Eagle schematic ...................................................................................................................... 337.2 Physical dimensions ............................................................................................................... 35

CHAPTER 8: REVISION HISTORY AND SUPPORT ........................................ 368. Introduction to the chapter ..................................................................................................... 36

8.1 Document revision ................................................................................................................. 368.2 Board revision ........................................................................................................................ 37

8.3 Useful web links and purchase codes ................................................................................... 388.4 Product support ..................................................................................................................... 39

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CHAPTER 1: OVERVIEW

1. Introduction to the chapter

Thank you for choosing the OLinuXino single board computer from Olimex! This document provides a user’s guide for the Olimex OLinuXino 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 OLinuXino development board enables code development of applications running on the microcontroller A13, manufactured by Allwinner Technology from China.

OLinuXino is an open-source, open-hardware project and all documentation is available to the customer.

1.1 Features

The board has the following set of features:

• A13 Cortex A8 processor at 1GHz, 3D Mali400 GPU

• 512 MB RAM

• 6-16VDC input power supply, noise immune design

• 3 + 1 USB Host, 3 available for users 1 for (only in A13-OLinuXino-WIFI) WIFI RTL8188CU 802.11n 150Mbit module on board

• 1 USB OTG which can power the board

• SD-card connector for booting the Linux image

• (only in A13-OLinuXino-WIFI) 8GB NAND flash (older revisions had 4GB NAND flash)

• VGA video output – 800×600 resolution

• LCD signals available on connector so you still can use LCD if you disable VGA/HDMI

• Audio Output

• Microphone input

• RTC PCF8536 on board for real time clock and alarms

• 5 Keys on board for android navigation

• UEXT connector for connecting additional UEXT modules like Zigbee, Bluetooth, Relays, etc

• GPIO connector with 68/74 pins and these signals: 17 for adding NAND flash; 22 for connecting LCDs; 20+4 including 8 GPIOs which can be input, output, interrupt sources; 3xI2C; 2x UARTs; SDIO2 for connectinf SDcards and modules; 5 system pins: +5V, +3.3V, GND, RESET, NMI

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1.2 Target market and purpose of the board

The boards from the OLinuXino family are easy to setup and powerful. They are suitable for embedded programming enthusiasts, Linux and Android gadget fans and also professionals (since its low cost makes it very good solution for application orientated embedded systems). The main usage of the board is software embedded development without the urge of understanding perfectly the hardware.

The strong points of the boards are the processor speed, the mobility of the board and the low ratio price to productivity.

Customers have full access to the technical documentation of the board. The software is released under General Purpose License and the board is considered open-hardware.

1.3 Board variants

Olimex manufactures three types of boards with the same A13 processor – A13-OLinuXino, A13-OLinuXino-MICRO, and A13-SOM. Each of these designs has a different goal and each design might have several different variants (typically each of these designs has a variant with NAND memory).

The base model has two flavors: A13-OLinuXino and A13-OLinuXino-WIFI. The first one is the base model that goes without any operating system image on board, while the second has two additional components – a WIFI module on the board and NAND memory with stored Android image.

The A13-OLinuXino-Micro differs from the base A13-OLinuXino by having only 1 USB host, 1 USB OTG, no power connector, no NAND memory, no WIFI, no audio out connector, less buttons.

If you are looking for an A13 board with tiny dimensions and suitable for implementing in own designs then refer to A13-SOM board – it has tiny dimensions.

There are more powerful A10 and A20 designs that Olimex manufactures nowadays. Boards like A20-OLinuXino-LIME; A20-OLinuXino-MICRO and A20-OLinuXino-LIME2 are generally fasterand capable of much better video output.

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1.4 Document organization

Each section in this document covers a separate topic, organized as follow:

– Chapter 1 is an overview of the board usage and features

– Chapter 2 provides a guide for quickly setting up the board and software notes

– Chapter 3 contains the general board diagram and layout

– Chapter 4 describes the component that is the heart of the board: the A13 – Allwinner processor

– Chapter 5 is an explanation of the control circuitry associated with the microcontroller to reset. Also shows the clocks on the board

– Chapter 6 covers the connector pinout, peripherals and jumper description

– Chapter 7 provides the schematics

– Chapter 8 contains the revision history, useful links and support information

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CHAPTER 2: SETTING UP THE OLINUXINO BOARD


This section helps you set up the OLinuXino development board for the first time. Please consider first the electrostatic warning to avoid damaging the board, then discover the hardware and softwarerequired to operate the board.

The procedure to power up the board is given, and a description of the default board behavior is detailed.

2.1 Electrostatic warning

OLinuXino is shipped in a protective anti-static package. The board must not be exposed to high electrostatic potentials. A grounding strap or similar protective device should be worn when handling the board. Avoid touching the component pins or any other metallic element.

2.2 Requirements

In order to set up the OLinuXino optimally, the following items are required:

- Power supply unit which is capable of providing voltage in the (6V-16V) DC range, minimum 6Ware required to ensure smooth operation (6V @ 1A or 16V @ 0.4A)

- Output medium – USB-to-serial cable (to connect to a personal computer with serial terminal software), or LCD (preferably with touchscreen panel) display for the LCD_CON, or TV monitor with RGB port

Additional items include:

- USB keyboard – for convenience with text input

- USB-SERIAL-CABLE-F – for serial communication with UART1 connector

- USB-MINI-CABLE – for connecting with the USB OTG and being able to update the Android (if your board has NAND memory)

- Wireless internet connectivity or USB modem – for browser access and access to the Android market

Some of the suggested items can be purchased by Olimex, for instance:

SY0612E – power supply adapter 12V/0.5A for A13-OLinuXino

USB-SERIAL-CABLE-F – USB serial console cable female

USB-MINI-CABLE – standard USB type A to USB type mini cable

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The recommended LCD display for the board is 7 inch with an optional touch screen panels suitablefor the board:

Display name Size of display in inches

Native resolutionin pixels

Official Debian imagesupport

Official Android imagesupport

Link to product page

LCD-OLinuXino-7 7 800×480 Yes Yes Product page

LCD-OLinuXino-7TS 7 800×480 Yes Yes Product page

Note that if you wish to use one of the LCD displays mentioned above you need to upload different Android image – configured for 480×800 screen resolution.

2.3 Powering the board

There are three possible ways of powering A13-OLinuXino – via external supply using the power jack, via a battery using the battery connector or via the USB OTG connector. Depending on your preferred way of powering A13-OLinuXino you might need additional hardware.

The preferred way of powering board is via the PWR jack with 6Vdc to 16Vdc with a power of 6W (e.g. 6Vx1A to 16Vx0.4A). This will make the board fully powered and able to power all the peripherals connected to it.

When powered by the typical 3.7V Lithium-polymer battery the board will be fully functional and you will be able to operate with most of the peripherals. However when using all three USB-A connectors and an LCD connected to the LCD_con it might cause flickering and not sufficient power. If you suspect the power is not enough for the peripherals you have connected use the PWR jack.

The board can be also powered by the USB OTG connector (mini USB standard) but the voltage provided is not enough to power a possible LCD connected to the LCD_con. However, this power option is capable of driving the board when using external display connected to the VGA connector.

If you have a standard LCD display connected to LCD_con, Android and WIFI running the typical consumption is between 150mA and 350mA depending on the current load. While the board is in stand-by mode it consumes a minimum of 60mA. All the three approximate values above were taken when I applied 12V to the board.

Important! Avoid disconnecting the power supply while Android or Linux is running, since that might corrupt the operating system and you will need to install the OS again (for Android install instructions check chapter 2.6. Use the PWR_BUT before disconnecting the supply.

If the board has entered power-down state you can bring it back without restart using the PWR_BUT.

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https://www.olimex.com/Products/OLinuXino/LCD/LCD-OLinuXino-7TS/open-source-hardware

https://www.olimex.com/Products/OLinuXino/LCD/LCD-OLinuXino-7/open-source-hardware


For the European customers we sell a power supply adapter 12V/0.5A – SY0612E. We also sell USB OTG to USB type A cables if you lack such.

2.4 Prebuilt software

Note that the A13-OLinuXino-WIFI board no longer comes with Android loaded in the NAND memory! Please follow the advice in this chapter to upload it to the NAND.

How we have installed the software? We have configured an Android image with settings suitable for A13-OLinuXino. Then using LiveSuit or PhoenixSuit tools we uploaded the image to the board. To activate A13 bootloader do as follows: run Livesuit, disconnect the power supply and USB cable, then press HOME button, apply power supply, attach USB cable and release the button, Livesuit will detect the bootloader and will ask which file to program to the NAND flash. The image will be available for users to try and tweak the settings. You can find and image with the view of the progress window in LiveSuit:

Download links to all available images (and tools needed) can be found at the A13-OLinuXino wikipage: https://www.olimex.com/wiki/A13-OLinuXino.

Helpful information about the Android and Linux images can be found at the OLIMEX forums.

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https://www.olimex.com/wiki/A13-OLinuXino


2.5 Button functions in Android

The following buttons represent functions in the Android:

PWR_BUT – used to wake the board from stand-by

HOME – shows the home screen; note that HOME is also used to enter bootloader mode for firmware update

ENTER – to select a choice

MENU – brings up the main menu

VOL+ – increases the volume

VOL- – lowers the volume

For more information on the button functions check the Android documentation.

Note that RESET button will perform a hardware reset of the board, not controlled by the OS.

2.6 How we configured the Android image

This is a detailed explanation of how we got to tweak the Android image configuration files. It is worth mentioning that we used Ubuntu with Linux Kernel 3.2 for the steps below.

2.6.1. Getting the Android SDK tools

Download the Android SDK tools for Linux from: http://developer.android.com/sdk/index.html Note that you have to click “Other platforms” and get the one for Linux. Then you extract it:

tar zxfv android-sdk_r20.0.3-linux.tgz

Note that the above line would vary depending on the version you have downloaded (by the time of writing 20.0.3 was the latest one).

2.6.2. Adding information for the board in the Linux

Create the following file:

.../etc/udev/rules.d/70-android.rules

and add the following line inside:

SUBSYSTEM=="usb_device", SYSFS{idVendor}=="18d1", MODE="0666"

then we save the file and change its properties with chmod +x 70-android.rules and reboot the computer.

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http://developer.android.com/sdk/index.html


2.6.3. Installing the SDK tools

Navigate to the folder where we extracted the tools (folder tools) in point 1 and start it:

./android

From the check boxes select to install Android SDK Tools, Android SDK Platform Tools and Android 4.0 API

2.6.4. Connecting the A13-OLinuXino

Power the A13-OLINUXINO. Now connect the miniUSB to the board and wait a bit for the USB toenumerate.

After the tools are installed we navigate to “platform-tools” folder located in the directory of the tools (where we extracted in point 1), then we enter:

./adb devices

which will show us the list of the available devices. The output should would like:

List of devices attached

20080411 device

However if we get “bash: ./adb: No such file or directory“- we have to check if the ia32-libs are installed if not, we install them with:

apt-get install ia32-libs

If again the device is not listed we try to stop and run the server again with the following (we have to be logged as root!):

cd /home/android-sdk/platform-tools/./adb kill-server./adb start-server

Exit the root and enter the shell of the device

./adb shell

We then create mounting point for the NAND memory:

mkdir /sdcard/nanda

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and finally we mount the NAND:

mount -t vfat /dev/block/nanda /sdcard/nanda

Note: NAND mounting should be performed every time the device is restarted!

2.6.5. Downloading the default config file and script tool

Get the default 800×600 config file from:

https://docs.google.com/open?id=0B7WHuNCASY8caVRlV29GdUVPX3M

Open a new console (which will be used to edit the config file) - - then we download the following script:

https://docs.google.com/file/d/0B_DiNI-XElr-MjQ4MmJhZGEtNmU1NS00MzllLWIzOWMtMzExODc5NTRkMGQ3/edit

We save both of the above files (both should be in the same folder)

Then we execute from the console:

chmod +x script

2.6.6. Applying the script and uploading the confing

After we have edited the file as we win we do:

./script A13_config_600x800.fex_ok

and then we push it on the device

path_to_android_sdk/android-sdk-linux/platform-tools/adb push A13_config_600x800.fexbin /sdcard/nanda/script.bin

2.6.7. Restarting the A13-OLinuXino

We go to the shell of the A13-OLinuXino board and

reboot

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https://docs.google.com/open?id=0B7WHuNCASY8caVRlV29GdUVPX3M


2.7 GPIO under Debian

You can read data from a given GPIO port. The logical ranges are usually as follows:

0V-1V for LOW (or 0)

2.4V-3.3V for HIGH (or 1)

All voltages are measured against ground (GND).

If the input signal is to high, you will at least destroy the port!

The algorithms for writing a value to a GPIO port and reading such a value are pretty similar. The usage of GPIO ports follows the algorithm (we would use GPIO #49 for demonstration purposes):

1. Export GPIO 49:

echo 49 > /sys/class/gpio/export

Note that you can export GPIOs in range with:

for i in `seq 1 1 230`; do echo $i > /sys/class/gpio/export; done

2. Set input/output GPIO 49

2.1 Set input:

echo "in" > /sys/class/gpio/gpio49_ph9/direction

2.2 Set output:

echo "out" > /sys/class/gpio/gpio49_ph9/direction

3. Set value or read value GPIO 49

3.1 Set value:

echo 0 > /sys/class/gpio/gpio49_ph9/valueecho 1 > /sys/class/gpio/gpio49_ph9/value

3.2 Read input:

cat /sys/class/gpio/gpio49_ph9/value

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4. Unexport GPIO 49 when finished

echo 49 > /sys/class/gpio/unexport

A very good document on GPIO usage might be found here: http://www.py6zgp.com/download/A20-GPIO.pdf – the document was created by Dr. Guido Pelz.

Instructions on how to edit board configurations might be found here: https://www.olimex.com/wiki/How_to_edit_board_configurations_and_definitions_in_the_official_Debian_Linux

Information on how to use the WIFI, Ethernet or GPIOs is available at the following web address:

https://www.olimex.com/wiki/Configuration_of_hardware_in_the_debian_image

2.8 I2C and SPI under Debian

I2C and SPI are both supported in the latest Debian releases. There is respective kernel support for both. There is a python module called pyA13 might be found here: https://pypi.python.org/pypi/pyA13

At the same web address you would also find a set of examples on how module is used.

2.9 Software support

We maintain Linux and Android images for SD card which might be downloaded for free and modified as the user wishes. The latest images and updates are featured at the wiki article of the device: https://www.olimex.com/wiki/A13-OLinuXino.

We usually try to provide details on how to build the Linux and the Android images at our wordpress page: http://olimex.wordpress.com/.

Another useful place is the Olimex forums where a lot of people share their experience and advice: https://www.olimex.com/forum/

Additional Android and Linux support and features are added overtime. The Linux support is a work-in-progress and you should not expect full Linux support after the initial volume of such boards have become available on the market. If you are in a hurry consider the older OLinuXino designs (which have almost everything supported, have examples available and so on).

You are more than welcome to send or share your suggestions and ideas at our e-mail, the public forums or irc channel. We would attempt to help in almost every case. We listen to the feedback andif the majority of users suggest a software change or update we try to implement such. Customer feedback is very important for the overall state of the software support. However, do not expect full Linux or Android software support.

We can share our experience. We can give you full details for things we have tried. We can point you to a resource or a guide. We can give you general directions to solving a specific problem or

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https://www.olimex.com/forum/

http://olimex.wordpress.com/


https://pypi.python.org/pypi/pyA13

https://www.olimex.com/wiki/Configuration_of_hardware_in_the_debian_image

https://www.olimex.com/wiki/How_to_edit_board_configurations_and_definitions_in_the_official_Debian_Linux

https://www.olimex.com/wiki/How_to_edit_board_configurations_and_definitions_in_the_official_Debian_Linux

http://www.py6zgp.com/download/A20-GPIO.pdf


places to look for more information. However, we won’t install a piece of software for you or write custom program for you. We won't provide a specific software solution to a specific software problem.

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CHAPTER 3: A13-OLINUXINO BOARD DESCRIPTION


Here you get acquainted with the main parts of the board. Note the names used on the board might differ from the names used below to describe them. For the actual names check the A13-OLinuXinoboard itself.

3.1 Layout (top view)

The picture above shows the initial revision of A13-OLinuXino. Note that the version of the board pictured does not have additional NAND memory nor WIFI module.

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CHAPTER 4: THE ALLWINNER A13 MICROCONTROLLER


In this chapter is located the information about the heart of OLinuXino – its microcontroller. The information is a modified version of the datasheet provided by its manufacturers.

4.1 The microcontroller

CPU/GPU

ARM Cortex-A8 Core

32KB D-Cache/ 32KB I-Cache

256KB L2 Cache

Mali-400 3-D Engine

VPU

HD Video Decoding

1920*1080@30fps

Support H.264, H.263, VC1, Mpeg1/2/4

Divx 3/4/5/6, Xvid, VP6/8, AVS etc

HD Video Encoding

Support encoding in H.264 format

Up to 1920*1080 at 30fps

DPU

LCD Interfaces: CPU, RGB

Memory

DDR2/DDR3: Up to 533MHz

16 bits Data Bus

Memory capacity up to 512MB

MLC/TLC/SLC/EF-NAND

2 flash chips, ECC 64-bit

Support NAND of 5xnm, 4xnm, 3xnm, 2xnm

Support NADN of Samsung, Toshiba, Hynix

Peripherals

USB2.0 OTG, USB2.0 HOST

(OHCI/EHCI）

SD Card V.3.0, eMMC V.4.2

SPI, TWI and UART

integrated Audio Codec

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R-TP Controller

4-wire resistive TP interface

2 points and gesture detection

Boot Devices

NAND Flash

SPI Nor Flash

SD Card

USB

Powerful Acceleration

Graphic (3D, Mali400 MP)

VPU (1080P）

APU

E-Reader

Ultra-low System Power Consumption

15~20% lower than competitors

Smart Backlight: auto adjust backlight

acc. to the image display

Package

eLQFP176

More information can be found on Allwinner's web site at the following web-address: http://www.allwinnertech.com/en/clq/processora/A13.html

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http://www.allwinnertech.com/en/clq/processora/A13.html


4.2 Block diagram

The block diagram is taken from Allwinner's datasheet.

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CHAPTER 5: CONTROL CIRCUITY


Here you can find information about reset circuit and quartz crystals locations, the power supply circuit is discussed.

5.1 Reset

The reset line is handled by the AXP209 (which is an enhanced single cell Li-battery and power system management IC that goes together with the Allwinner processor) and goes to processor pin 159 via R4(47k). The reset circuit is connected to button RESET, which means pressing RESET would perform a hardware reset on the board.

5.2 Clocks

24 MHz quartz crystal Q1 is connected to pins 91 and 92 of the A13 processor.

12 MHz quartz crystal Q2 is found at pins 6 and 7 of the GL850G (the USB controller).

32 768 kHz (RTC clock) quartz crystal Q3 is found connected to pins 1 and 2 of the RTC_MODULE (PCF8563T)

5.3 Power supply circuit

The power supply is handled mainly by AXP209 power management system, an Allwinner chip thatgoes together with the A13 processor. The power supply circuit of A13-OLinuXino allows flexible input supply from 6V to 16V. The minimum amperage suggested is 1A, and this threshold would rise if using all the three USB-HOSTs, a lot of GPIOs and LCD_con.

The board can also be powered by 3.7V Li-Po battery retaining its functionality or by USB (limitingthe use of peripherals.

Important! Avoid disconnecting the power supply while Android or Linux is running, since that might corrupt the NAN memory (and the operating system files) and you will need to install the OS again (for Android install instructions check chapter 2.6. Hold the PWR_BUT and then navigate to shut down before disconnecting the supply.

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CHAPTER 6: CONNECTORS AND PINOUT


In this chapter are presented the connectors that can be found on the board all together with their pinout and notes about them. Jumpers functions are described. Notes and info on specific peripherals are presented. Notes regarding the interfaces are given.

6.1 Communication with the A13

The chip has a built-in bootloader so everything you need for debugging is an USB cable. However there is a second option which is the male UART1 connector capable of delivering some information on the COM port of your computer. You can use USB-SERIAL-CABLE-F with the UART1 interface allowing you to connect to an USB port.

6.1.1 USB communication

The main way of communicating with the firmware of A13-OLinuXino is via the USB-OTG connector.

You will also need a software tool “LiveSuit” and a newer firmware image if you wish to upgrade the firmware. The “LiveSuit” tool may be downloaded from the A13 wiki page. The simple steps for upgrading the firmware via the bootloader are:

1. Start LiveSuit

2. Disconnect power supply cable and USB cable from A13-OLinuXino

3. Hold “Home” button

4. Connect the board to the power supply and the computer via the USB-OTG

5. Release “Home” button

6. You will be asked for drivers, point the installer to the LiveSuit folder which contains drivers for the bootloader

7. Choose the image in the LiveSuit

8. Update and don't disconnect the board

The three USB type A hosts are wired to a USB-controller GL850G which is an advanced version hub solution fully complying with Universal Serial Bus Specification Revision 2.0. GL850G has proven compatibility, lower power consumption figure and better cost structure above all USB2.0 hub solutions worldwide.

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6.1.2 UART1 interface

The UART interface might be used for COM communication. You can use our USB-SERIAL-CABLE-F for debugging via the UART1 or UART0. Note that in both cases the connectors are named at the bottom of the board.

Depending on the revision of the board it is possible to have 1xUART1 or 1xUART0 + 1xUART1.

If having a board with 1xUART1 (board revision B, A13-OlinuXino-WIFI-DEV) the table with the signals can be found below:

UART1

Pin # Signal Name Processor Pin #

1 3.3V -

2 SDC0_SCK 110

3 SDC0_DATA3 112

4 GND -

Consider the above table when connecting the USB-SERIAL-CABLE-F according to the wire colorcode. If you have A13-OLinuXino with 1xUART0 and 1 xUART1 you may find the table with the signals below:

UART0 UART1

Pin # Signal Name Processor Pin # Pin # Signal Name Processor Pin #

1 3.3V - 1 3.3V -

2 SDC0_SCK 110 2 UART1_TX 152

3 SDC0_DATA3 112 3 UART1_RX 151

4 GND - 4 GND -

Consider the above table when connecting the USB-SERIAL-CABLE-F.

Notice that UART0 data lines are multiplexed with the SD-CARD.

Notice that UART1 data lines are multiplexed with the UART pins in the UEXT connector.

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6.2 SD/MMC slot

The microSD card slot is a standard 8pin connector.

The SD card can be used for booting the operating system for A13-OLinuXino. It is suggested to have an SD card with a proper Linux/Android image especially if you have ordered a version of the board without NAND memory.

We have tested a number of microSD cards on the OLinuXino boards and all of them worked fine regardless manufacturer or capacity. However, keep in mind that some of the lower quality microSD cards might draw too much current from the slot which might cause power-state problems.If you suspect the microSD card is causing problems please try using another one of better quality for better results.

microSD card connector


1 DAT2/RES 113

2 SDC0_DATA3 112

3 SDC0_CMD 111

4 VDD -

5 SDC0_SCK 110

6 VSS -

7 SDC0_DATA0 108

8 SDC0_DATA1 107

When removing the card, please make sure that you release it from the connector by pushing and NOT by pulling the card directly (this can damage both the connector and the microSD card).

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6.3 UEXT module

A13-OLinuXino has an UEXT connector and can connect with Olimex's UEXT modules.

For more information on UEXT please visit:

https://www.olimex.com/Products/Modules/UEXT/resources/UEXT.pdf

UEXT connector


1 3.3V -

2 GND -

3 UART1_TX 152

4 UART1_RX 151

5 TWI2_SCK 161

6 TWI2_SDA 160

7 SPI2_MISO 117

8 SPI2_MOSI 116

9 SPI2_CLK 115

10 SPI2_CS0 114

The UEXT pinout is also printed at the bottom of the board under the connector.

Notice that UART1 data lines are multiplexed with the UART pins in the UEXT connector.

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https://www.olimex.com/Products/Modules/UEXT/resources/UEXT.pdf


6.4 GPIO-1 (General Purpose Input/Output) 10pin connector

The GPIO connector numbers are printed at the bottom of the board for your convenience.

GPIO-1


1 5V -

2 GND -

3 3.3V -

4 GND -

5 RESET_N 159

6 NMI_N 158

7 PIN0 -

8 PIN3 -

9 PIN1 -

10 PIN2 -

PIN0, PIN1, PIN2 and PIN3 are connected to the power regulator module AXP209.

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6.5 GPIO-2 (General Purpose Input/Output) 40pin connector

The GPIO pins are led out on a separate 40pin connecter. They allow the user to attach additional hardware, check readings or perform hardware debug. The GPIO-2 connector numbers are printed at the bottom of the board for your convenience.

GPIO-2 connectorGPIO Pin# Signal Name Processor pin# GPIO Pin# Signal Name Processor pin#

1 5V - 2 GND -3 3.3V - 4 GND -5 PIN4/TWI0-SCK 101 6 PIN39/USBH_EN 147 PIN5/TWI0-SDA 102 8 PIN38/VGA_DIS 139 PIN6 103 10 PIN37/LED1 1211 PIN7 150 12 PIN36 12513 PIN8 104 14 PIN35 12415 PIN9 10 16 PIN34 12317 PIN10/TWI1-SCK 105 18 PIN33 12219 PIN11/TWI1-SDA 106 20 PIN32 121

GPIO Pin# Signal Name Processor pin# GPIO Pin# Signal Name Processor pin#21 PIN12/NWE 8 22 PIN31 12023 PIN13/NALE 7 24 PIN30 11925 PIN14/NCLE 6 26 PIN29 11827 PIN15/NCE1 3 28 PIN28/NDQS 16229 PIN16/NCE0 2 30 PIN27/NDQ7 16531 PIN17/NRE 1 32 PIN26/NDQ6 16633 PIN18/NRB0 176 34 PIN25/NDQ5 16735 PIN19/NRB1 175 36 PIN24/NDQ4 16837 PIN20/NDQ0 174 38 PIN23/NDQ3 17039 PIN21/NDQ1 172 40 PIN22/NDQ2 171

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6.6 LCD_CON 40pin connector

The LCD_CON pins are led out on a separate 40pin connecter for the ease of connecting an LCD. We have tested the ability of the board to interact with such a display. They allow the user to attach additional hardware, check readings or perform hardware debug. The LCD_CON connectors connector numbers are print at the bottom of the board for your convenience.

LCD_CON connector

GPIO Pin# Signal Name Processor pin# GPIO Pin# Signal Name Processor pin#

1 5 - 2 GND -

3 3.3 - 4 GND -

5 LCD_D18 135 6 LCD_D18 135

7 LCD_D18 135 8 LCD_D19 134

9 LCD_D20 133 10 LCD_D21 132

11 LCD_D22 131 12 LCD_D23 130

13 LCD_D10 141 14 LCD_D10 141

15 LCD_D10 141 16 LCD_D11 140

17 LCD_D12 139 18 LCD_D13 138

19 LCD_D14 137 20 LCD_D15 136

21 LCD_D2 148 22 LCD_D2 148

23 LCD_D2 148 24 LCD_D3 147

25 LCD_D4 146 26 LCD_D5 145

27 LCD_D6 144 28 LCD_D7 143

29 LCD_HSYNC 127 30 LCD_VSYNC 126

31 LCD_CLK 129 32 LCD_DE 128

GPIO Pin# Name Processor pin# GPIO Pin# Name Processor pin#

33 PIN7 150 34 PIN8 104

35 PIN9 10 36 PIN6/PWM0 109

37 TPX1 89 38 TPX2 87

39 TPY1 90 40 TPY2 88

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6.7 PWR Jack

The power jack used is the typical one used by Olimex in most of our products – the DC barrel jack has 2.0mm inner pin and 6.3mm hole. More information about the exact component might be foundhere: https://www.olimex.com/wiki/PWRJACK. You should provide between 6 and 16 volts @ 1.5A maximum to the board.

Pin # Signal Name

1 Power Input

2 GND

More info about the power supply can be found in chapter 5 of this manual

6.8 Headphones and microphone connector

Standard audio jack and phone jack are mounted for the audio interfacing.

Microphone/Audio out connector

Pin# SIGNAL NAME Processor Pin#

2 L channel 74

3 R channel 78

5 HPCOM GND pins

The headphones resistance is 32 Ohms! The mic is connected to pins 84 and 85 of the A13 chip.

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https://www.olimex.com/wiki/PWRJACK


6.9 Battery connector

When using the battery connector keep in mind that it is an energy solution that wouldn't be able to power the board and all the peripherals. The voltage of a 3.7V LIPO battery would be enough to power the processor and the memory but won't be enough to power external touchscreen LCD.

Pin # Signal Name

1 VBAT

2 GND

The pins are also print at the bottom of the board under the connector.

6.7 VGA video connector

The female DB15 connector is used for video output on a monitor.At the moment the maximum achieved resolution is 800×600 dueto limited maximum frequency and the lack of integrated videocontroller in the chip.

VGA connector

GPIO Pin# Signal Name GPIO Pin# Signal Name

1 VGA_R 2 VGA_G

3 VGA_B 4 Not Connected

5 GND 6 GND

7 GND 8 GND

9 GND 10 GND

11 Not Connected 12 Not Connected

13 VGA_HSYNC 14 VGA_VSYNC

15 Not Connected 16 Not Connected

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6.8 Jumper description

Please note that all the jumpers on the board are SMD type. If you feel insecure of your soldering/cutting technique it is better not to try to adjust the jumpers. The only really important jumper on the board is CE_NAND_E, which needs to be closed if you have board variant with NAND flash memory but you wish to boot OS from SD card.

6.8.1 CE_NAND_E

When cut this board disconnects the NAND flash. Note that it is not a requirement to boot from the SD card since the processor has a routine of detecting such.

The default position is closed.

6.8.2 3.3V_OPTION, 1.5V_E

Both jumpers provide a test pad during production and debugging checking the supply voltages. It is not recommended to change their default positions.

The default positions are closed.

6.8.3 5V_E

The jumper provide a test pad during production and debugging checking the supply voltages. It is not recommended to change its default position. It is also useful if you remove the whole battery part of the board.

The default position is open.

6.8.4 HOST_EN, 5V_E_WIFI, WIFI-3.3V/5V_USB

These jumper provide options to setup the WIFI module to work on 3.3V, and/or the USB host to work on 3.3V. It is strongly not recommended to change the default positions, since then they will be directly powered from source which might cause faults of USB devices when disconnecting them from the hub.

Default positions are:

HOST_EN – open;

5V_E_WIFI – open;

WIFI-3.3V/5V_USB in 5V_USB position.

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6.9 Additional hardware components

The components below are mounted on OLinuXino but are not discussed above. They are listed here for completeness:

Reset button – used to reset the board

2×2Gb (512M x 8 bit) DDR3 SDRAM – the memory used in the first revisions of the board was HYNIX H5TQ2G83CFR; we later switched to SAMSUNG K4B2G0846Q

Please note that there are different Debian images for different boards with different hardware – youwould need to inspect the DDR3 RAM memory markings and use the image suitable for your board. Previously we used HYNIX H5TQ2G83CFR, now we use SAMSUNG K4B2G0846Q.

(Boards manufactured after 01.08.2017) 8GB NAND flash – 1×64Gb (8192M x 8 bit) NAND flash – the exact memory is Micron MT29F64G08CBABAWP - only present in newer releases of A13-OLinuXino-WIFI

(Boards manufactured before 01.08.2017) 4GB NAND flash – 1×32Gb (4096M x 8 bit) NAND flash – the exact memory is HYNIX H27UBG8BTR – only present in older builds of A13-OLinuXino-WIFI

LED1 + CHLED + PWR_LED – GPIO LED + battery charger activity LED + power-on LED

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CHAPTER 7: SCHEMATICS


In this chapter are located the schematics describing logically and physically A13-OLinuXino.

7.1 Eagle schematic

OLinuXino schematics may be found it on the OLinuXino's GitHub repository: https://github.com/OLIMEX/OLINUXINO/tree/master/HARDWARE/A13-OLinuXino. You can download the whole repository as .zip without having a GitHub account.

We mostly use Eagle by Cad Soft 4.16r2 for designing. However, the files should be compatible with the latest Eagle available. Cad Soft offers a trial version of their software that allows you to inspect schematics and board files (without being able to modify them).

This work is licensed under the Creative Commons Attribution-ShareAlike 3.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by-sa/3.0/.

If you are looking for a schematic of an older revision of the board and it isn't available at our web site you may request it by the support e-mail.

Note that A13-OLinuXino-WIFI has all the components shown in the schematics. The stripped down version (A13-OLinuXino, without the -WIFI part) lacks two components: the NAND memory and the embedded WIFI module RTL8188CU. To reduce this document's size only one of the schematics is listed on the next page.

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http://creativecommons.org/licenses/by-sa/3.0/

https://github.com/OLIMEX/OLINUXINO/tree/master/HARDWARE/A13-OLinuXino


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POWER SUPPLY CIRCUIT

+-

LI-ION_BATTERY

2 x [2Gb DDR3 SDRAM (256Mx8)]

MicroSD

UEXT

6-16VDC

UART0-TX

UART0-RX

GND

0.19V 0.39V 0.60V 0.80V 0.98V

Buttons

USB-OTG

Iset = 6800/R68Iset = 523mA

USB-HOSTs

Iset = 6800/R48

Iset = 1000mA

VCC

DM

DP

GND

RTC_MODULE

3.3V

3V3/30mA

3V/200mA

3V3/200mA

1V2/1.2A

1V2/1.6A

3V3/200mA

LED

R0 R1

R2 R3

R4 R5

R6 R7

G0 G1

G2 G3

G4 G5

G6 G7

B0 B1

B2 B3

B4 B5

B6 B7

HSYNC VSYNC

3.3V GND

5.0V GND

CLK DE

PWRE BKL

X1 X2

Y1 Y2

L/R U/D

NAND Flash32Gb (4096M x 8bit)

GPIO EXTENSION LCD EXTENSION

Must be Floating!!!

enable output for GANG mode;1. PWREN1# is the only power-

Notes:

current flag for GANG mode;2. OVCUR1# is the only over

ports as a group;

3. Gang mode means that power

4. Individual power management,

i.e. individual mode is not supported on SSOP28 package!

=====

VGA

management affects whole 4

VOL+ VOL- MENU ENTER HOME

Ra

Rb

Vout=0.923x(1+Ra/Rb)

3.3V

GND

TDITMSTCKTDO

JTAG

UART1-TX

UART1-RX

GND

3.3V

UART

+-

1 2#CE_NAND_E

Close

1 21.5V_E

Close

1

2

3.0V_BAT

NA(HN1X2)

1 23.3V_E

Close

1 2 3.3V_OPTIONOpen

1 2

5V_EOpen

1 2

5V_E_WIFIOpen

C2522uF/6.3V

C2633pF

C2733pF

C281uFC29100nF

C3110uF/6.3VC32100nF

C331uF

C34100nFC3510uF/6.3V

C36100nF

C37100nF

C533.3nF

C5410uF/6.3V

C5510uF/6.3V

C56100nF

C57100nF

C5810uF/6.3V

C59100nF

C601nF

C611nFC62100nF

C63100nF

C64100nF C651nF

C661nFC671nF

C6822uF/6.3V

C6922uF/6.3V

C7310uF/6.3V

C7410uF/6.3V

C751uF

C7610uF/6.3V

C7710uF/6.3VC78

10uF/6.3VC79

10uF/6.3VC80100nF C81100nF C82100nF

C8310uF/6.3V

C841nFC85

10uF/6.3V

C8610uF/6.3V

C871nFC88

10uF/6.3V

C891uF C90100nF

C9210uF/6.3V

C9310uF/6.3VC941uF

C9510uF/6.3V

C9610uF/6.3V C97

100nFC9810uF/6.3V

C10010uF/6.3V

C101100nF

C10210uF/6.3VC1031nF C1041uF

C105100nF

C106NA(10uF/6.3V)

C107

C10910uF/6.3V

C11422pF

100uF/16V/LOWESR/105C/6.3x11mm_RM2.5

C12033pF

C12110uF/6.3V

C122100nF

C12310nF

C1243.3nF C12533pF

C13010pF

C131

100nF

C13447pF

C1391nF

C1441nF

CHGLED

LED/YELLOW/0603

D11N5819(S4SOD-123)

D2

BAT54S

D3

BAT54S

D4

BAT54S

D5BAT54SD6BAT54S

D7

1N5822/SS34/SMA

D9

1N5822/SS34/SMA

D10

BAT54C

D11BAT54C

"N"-MOS

FET1BSS138

"N"-MOS

FET2BSS138

G S

DFET3IRLML6402

"N"-MOSFET4

BSS138

GND_PIN

1 2

3 4

5 6

7 8

9 10

GPIO-1

BH10S

1 2

3 4

5 6

7 8

9 10

11 12

13 14

15 16

17 18

19 20

21 22

23 24

25 26

27 28

29 30

31 32

33 34

35 36

37 38

39 40

GPIO-2

ML40

5-GND

3-R

42-L

1

HEADPHONES

PJ-W47S-05D2-LF_V2

1 2HOST_EN

Open

1

2

3

4

5

6

JTAG

NA(HN1X6)

L1CL470nH/0805/1.76R/250mA

L22.2uH/1.5A/DCR<0.1R/CD32

L32.2uH/1.5A/DCR<0.1R/CD32

L42.2uH/1.5A/DCR<0.1R/CD32

L5FB0805/600R/2A

L6FB0805/600R/2A

L7FB0805/600R/2A

L8FB0805/600R/2A

L9

FB0805/600R/2A

L102.2uH/1.5A/DCR<0.1R/CD32

L11FB0805/600R/2A

L12

FB0805/600R/200mA(201209-601)

L1310uH/3.15A/20%

L142.2uH/1.5A/DCR<0.1R/CD32

L152.2uH/1.5A/DCR<0.1R/CD32

1 2

3 4

5 6

7 8

9 10

11 12

13 14

15 16

17 18

19 20

21 22

23 24

25 26

27 28

29 30

31 32

33 34

35 36

37 38

39 40

LCD_CON

ML40

LED1

DW02R

LIPO_BAT

1

2

5-GND

3-R

42-L

1

MIC

PJ-W47S-05D2-LF_V2

1.5V

1.5V

5VEXT

1.5V

+5V

BAT

5VEXT

1.5V 1.5V

+5V

1.5V

+5V

+5V

1.5V

1.2V_CPU

1.5V

+5V

+5V

+5V

+5V

+5V

+5V

BAT

1.2V_CPU

+5V

+5V+5V

P0

P1

P2

P3

P4

P5

P6

P7

P8

P9

P10

P11

P12

PWR

YDJ-1136

PWR_BUTT1107A(6x3.8x2.5mm)

PWR_LEDLED/RED/0603

Q1HC49/S1

Q2HC49/S1

Q332768Hz/6pF

R4 47k

R5 47k

R7 200k/1%

R8

2.2k

R92.2k

R10240R/1%

R12240R/1%

R13 240R/1%

R15 NA(1M)

R17 47k

R1810k

R19

1.1k/1%

R20 17.8k/1% R21 17.8k/1% R22 17.8k/1%

R23 240R/1% R24 8.66k/1% R25 8.66k/1% R26 8.66k/1%

R27 0.03R/1% R28 4.32k/1% R29 4.32k/1% R30 4.32k/1%

R31 2.2k/1% R32 2.2k/1% R33 2.2k/1%

R34 1R R35 1.05k/1% R36 1.05k/1% R37 1.05k/1%

R38 549R/1% R39 549R/1% R40 549R/1%

R41 1RR42NA

R43 51R

R44 NA

R452.2k

R46 200k/1%

R47 10k

R486.8k/1%

R522.2kR53 2.2k R54 47k R55 10k

R56 10k R57 NA(47k)

R592.2k

R602.2k

R612.2k

R63 NA(10k)

R6447k

R653.3k/1%

R66 680R/1% R6813k/1%

R69100k/1%

R70 47k

R714.99k/1%

R732.2k R741.05k/1%

R752.2k

R76 100k/1% R772.2k

R788.2k/1%R79

6.8k/1%

R80

8.2k/1%

R81

10k/1%

R82

11k/1%

R83

13k/1%

R851.1k/1%

R8622k/1%

R87 22RR88 22R

R89 22RR90 22R

R91 22RR92 22R

R93 22RR94 22R

R95NA

R9610k

R98 51R

R99 51R

R1001.1k/1%

R1011.1k/1%

R102 4.32k/1%

RESETT1107A(6x3.8x2.5mm)

RESET_N

RM1G1RA0805_(4X0402)_22R

RM1G2RA0805_(4X0402)_22R

RM1G3RA0805_(4X0402)_22R

RM1G4RA0805_(4X0402)_22R

RM2G1RA0805_(4X0402)_22R

RM2G2RA0805_(4X0402)_22R

RM2G3RA0805_(4X0402)_22R

RM2G4RA0805_(4X0402)_22R

RM3G1RA0805_(4X0402)_22R

RM3G2RA0805_(4X0402)_22R

RM3G3RA0805_(4X0402)_22R

RM3G4RA0805_(4X0402)_22R

RM4G1RA0805_(4X0402)_22R

RM4G2RA0805_(4X0402)_22R

RM4G3RA0805_(4X0402)_22R

RM4G4RA0805_(4X0402)_22R

RM5G1RA0805_(4X0402)_22R

RM5G2RA0805_(4X0402)_22R

RM5G3RA0805_(4X0402)_22R

RM5G4RA0805_(4X0402)_22R

RM6G1RA0805_(4X0402)_22R

RM6G2RA0805_(4X0402)_22R

RM6G3RA0805_(4X0402)_22R

RM6G4RA0805_(4X0402)_22R

RM7G1RA0805_(4X0402)_22R

RM7G2RA0805_(4X0402)_22R

RM7G3RA0805_(4X0402)_22R

RM7G4RA0805_(4X0402)_22R

RM8G1RA0805_(4X0402)_22R

RM8G2RA0805_(4X0402)_22R

RM8G3RA0805_(4X0402)_22R

RM8G4RA0805_(4X0402)_22R

RM9G1RA0805_(4X0402)_22R

RM9G2RA0805_(4X0402)_22R

RM9G3RA0805_(4X0402)_22R

RM9G4RA0805_(4X0402)_22R

RM10G1RA0805_(4X0402)_22R

RM10G2RA0805_(4X0402)_22R

RM10G3RA0805_(4X0402)_22R

RM10G4RA0805_(4X0402)_22R

RM12G1

RM12G2RM12G3

RA1206_(4X0603)_4B8_100K

RM12G4RA1206_(4X0603)_4B8_100K

CD/DAT3/CS2

CLK/SCLK5

CMD/DI3

9

DAT0/DO7

DAT1/RES8

DAT2/RES1

13

VDD4

VSS6

SDMICRO_SD/MMC_CP_NEWTFC-WPAPR-08

SW1 SW2 SW3 SW4 SW5

GND_ITXGND

U1K4B2G0846Q-BCKO

#CASG3

#CKG7

#CSH2

#DQSD3

#RASF3

#RESETN2

#WEH3

A0 K3A1 L7A2 L3A3 K2A4 L8A5 L2A6 M8A7 M2A8 N8A9 M3A10/APH7A11M7A12/#BCK7A13N3A14N7

BA0J2BA1K8BA2J3CK F7

CKEG9

DM/TDQSB7

DQ0B3DQ1C7DQ2C2DQ3C8DQ4E3DQ5E8DQ6D2DQ7E7

DQSC3

NCA3

NC/#CS1H1

NC/A15J7

NC/CKE1F9

NC/ODT1F1

NC/ZQ1H9

NF/#TDQSA7

ODTG1

VDDA2

VDDA9

VDDD7

VDDG2

VDDG8

VDDK1

VDDK9

VDDM1

VDDM9

VDDQB9

VDDQC1

VDDQE2

VDDQE9

VREFCAJ8

VREFDQE1

VSSA1

VSSA8

VSSB1

VSSD8

VSSF2

VSSF8

VSSJ1

VSSJ9

VSSL1

VSSL9

VSSN1

VSSN9

VSSQB2

VSSQB8

VSSQC9

VSSQD1

VSSQD9

ZQH8

U2K4B2G0846Q-BCKO

#CASG3

#CKG7

#CSH2

#DQSD3

#RASF3

#RESETN2

#WEH3

A0 K3A1 L7A2 L3A3 K2A4 L8A5 L2A6 M8A7 M2A8 N8A9 M3A10/APH7A11M7A12/#BCK7A13N3A14N7

BA0J2BA1K8BA2J3CK F7

CKEG9

DM/TDQSB7

DQ0B3DQ1C7DQ2C2DQ3C8DQ4E3DQ5E8DQ6D2DQ7E7

DQSC3

NCA3

NC/#CS1H1

NC/A15J7

NC/CKE1F9

NC/ODT1F1

NC/ZQ1H9

NF/#TDQSA7

ODTG1

VDDA2

VDDA9

VDDD7

VDDG2

VDDG8

VDDK1

VDDK9

VDDM1

VDDM9

VDDQB9

VDDQC1

VDDQE2

VDDQE9

VREFCAJ8

VREFDQE1

VSSA1

VSSA8

VSSB1

VSSD8

VSSF2

VSSF8

VSSJ1

VSSJ9

VSSL1

VSSL9

VSSN1

VSSN9

VSSQB2

VSSQB8

VSSQC9

VSSQD1

VSSQD9

ZQH8

U3

A13

AGND79

AVCC81

DDR3_A064DDR3_A152DDR3_A266DDR3_A365DDR3_A451DDR3_A567DDR3_A654DDR3_A771DDR3_A855DDR3_A969DDR3_A1048DDR3_A1156DDR3_A1250DDR3_A1368DDR3_A1457

DDR3_BA063DDR3_BA149DDR3_BA261

DDR3_CAS59

DDR3_CK45

DDR3_CKE47

DDR3_CK_N46

DDR3_D022DDR3_D140DDR3_D221DDR3_D341DDR3_D419DDR3_D544DDR3_D620DDR3_D742DDR3_D837DDR3_D925DDR3_D1039DDR3_D1124DDR3_D1236DDR3_D1326DDR3_D1438DDR3_D1527

DDR3_DM029DDR3_DM128DDR3_DQS031DDR3_DQS0_N32DDR3_DQS133DDR3_DQS1_N34DDR3_ODT72

DDR3_RAS58

DDR3_RST70

DDR3_WE60

DZQ 17

GNDGND_PAD

GNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGND

HPBP75

HPCOM77

HPOUTL74

HPOUTR78

LRADC86

MICIN184

NC99

NMI_N158

PB0/TWI0-SCK101

PB1/TWI0-SDA102

PB2/PWM/SPI2_MOSI/EINT16103

PB3/IR_TX/SPI2_MISO/EINT17150

PB4/IR_RX/EINT18104

PB10/SPI2_CS1/EINT2410

PB15/TWI1_SCK105

PB16/TWI1_SDA106

PB17/TWI2_SCK161

PB18/TWI2_SDA160

PC0/NWE/SPI0_MOSI8

PC1/NALE/SPI0_MISO7

PC2/NCLE/SPI0_CLK6

PC3/NCE1/SPI0_CS03

PC4/NCE02

PC5/NRE1

PC6/NRB0/SDC2_CMD176

PC7/NRB1/SDC2_CLK175

PC8/NDQ0/SDC2_D0174

PC9/NDQ1/SDC2_D1172

PC10/NDQ2/SDC2_D2171






PC19/NDQS162

PD2/LCD_D2148PD3/LCD_D3147PD4/LCD_D4146PD5/LCD_D5145PD6/LCD_D6144PD7/LCD_D7143PD10/LCD_D10141PD11/LCD_D11140PD12/LCD_D12139PD13/LCD_D13138PD14/LCD_D14137PD15/LCD_D15136PD18/LCD_D18135PD19/LCD_D19134PD20/LCD_D20133PD21/LCD_D21132PD22/LCD_D22131PD23/LCD_D23130PD24/LCD_CLK129PD25/LCD_DE128PD26/LCD_HSYNC127PD27/LCD_VSYNC126

PE0/CSI_PCLK/SPI2_CS0/EINT14114PE1/CSI_MCLK/SPI2_CLK/EINT15115PE2/CSI_HSYNC/SPI2_MOSI116PE3/CSI_VSYNC/SPI2_MISO117PE4/CSI_D0/SDC2_D0118PE5/CSI_D1/SDC2_D1119PE6/CSI_D2/SDC2_D2120PE7/CSI_D3/SDC2_D3121PE8/CSI_D4/SDC2_CMD122PE9/CSI_D5/SDC2_CLK123PE10/CSI_D6/UART1_TX124PE11/CSI_D7/UART1_RX125

PF0/SDC0_D1/JTAG_TMS107PF1/SDC0_D0/JTAG_TDI108PF2/SDC0_CLK/UART0_TX110PF3/SDC0_CMD/JTAG_TDO111PF4/SDC0_D3/UART0_RX112PF5/SDC0_D2/JTAG_TCK113

PG0/EINT0155PG1/EINT1154PG2/EINT2153PG3/UART1_TX/EINT3152PG4/UART1_RX/EINT4151PG9/SPI1_CS0/UART3_TX/EINT912PG10/SPI1_CLK/UART3_RX/EINT1013PG11/SPI1_MOSI/UART3_CTS/EINT1114PG12/SPI1_MISO/UART3_RTS/EINT1215

RESET_N159

SVREF18

TPX189

TPX287

TPY190

TPY288

UBOOT157

UDM093

UDM195

UDP094

UDP196

V33_HP76

V33_USB97

VCC15

VCC1_DRAM23

VCC2100

VCC2_DRAM30

VCC3142

VCC3_DRAM43

VCC4163

VCC4_DRAM53

VCC5_DRAM62

VDD1_CPU4

VDD1_INT35

VDD2_CPU9

VDD2_INT73

VDD3-INT98

VDD3_CPU11

VDD4_CPU16

VDD4_INT109

VDD5_CPU156

VDD5_INT149

VDD6_CPU164

VDD7_CPU169

VDD8_CPU173

VMIC85

VRA183

VRA282

VRP80

X24MIN92

X24MOUT91

#CE 9

#RE 8

#WE 18

#WP 19

ALE17CLE16

I/O029I/O130I/O231I/O332I/O441I/O542I/O643I/O744

NC1

NC2

NC3

NC4

NC5

NC6

NC10

NC11

NC14

NC15

NC20

NC21

NC22

NC23

NC24

NC25

NC26

NC27

NC28

NC33

NC34

NC35

NC38

NC39

NC40

NC45

NC46

NC47

NC48

R/#B7

VCC12VCC37

VSS13

VSS36

U4

H27UBG8T2BTR

A12

A24

A36

A48

G1

Y1 18Y2 16Y3 14Y4 12

U5A SN74ALVC244

A111

A213

A315

A417

G19

Y1 9Y2 7Y3 5Y4 3

U5B SN74ALVC244

VCCGND10 20 U5PWR

A12

A24

A36

A48

G1

Y1 18Y2 16Y3 14Y4 12

U6A SN74ALVC244

A111

A213

A315

A417

G19

Y1 9Y2 7Y3 5Y4 3

U6B SN74ALVC244

VCCGND10 20 U6PWR

A12

A24

A36

A48

G1

Y1 18Y2 16Y3 14Y4 12

U7A SN74ALVC244

A111

A213

A315

A417

G19

Y1 9Y2 7Y3 5Y4 3

U7B SN74ALVC244

VCCGND10 20 U7PWR

EN4

IN5

ISET3

OUT1

U8 SY6280

U9

AXP209(QFN48)

ACIN32

ACIN33

AGND22

APS21

BACKUP30

BAT 38BAT 39

BATSENSE42

BIAS23

CHGLED36

CHSENSE43

DC3SET29

DCDC210

DCDC317

EXTEN20

GND_PADVSS

GND_PADGND_PADGND_PADGND_PADGND_PADGND_PADGND_PADGND_PADGND_PADGND_PADGND_PADGND_PADGND_PADGND_PADGND_PADGND_PADGND_PAD

GPIO0/LDO19

GPIO118

GPIO25

GPIO33

IPSOUT34

IPSOUT35

IRQ/WAKEUP48

LDO1 28

LDO1SET27

LDO2 12

LDO3 41

LDO3IN40

LDO4 11

LDO24IN13

LX1 45

LX2 8

LX3 15

N_OE4

N_VBUSEN6

PGND146

PGND29

PGND316

PWROK25

PWRON47

SCK2

SDA1

TS37

VBUS31

VIN1 44

VIN2 7

VIN3 14

VINT26

VREF24

EN1 FB 5

GND2

IN4 LX 3

U10

SY8008C(AA)C

5V tolerant input

#OVCUR121#OVCUR219

#PWREN122#PWREN220

#RESET13

AVDD1

AVDD5

AVDD10

DM025

DM127

DM22

DM38

DM411

DP026

DP128

DP23

DP39

DP412

DVDD16

GND15

PGANG18

PSELF17

RREF4

TEST14

V523

V3324

X16

X27

U11

GL850G-HHGXX

EN4

IN5

ISET3

OUT1

U12 SY6280

BS 1

COMP6

EN7

FB 5

GND4

IN2

SS8

SW 3

U13

MP1482DS

#INT3 CLKOUT7

OSCI 1OSCO2SCL 6SDA 5

VDD8

VSS4

U14PCF8563T/5

EN1 FB 5

GND2

IN4 LX 3

U15

SY8008C(AA)C

U16

SY7208(SOT23-6)

EN4

FB 3GND

2

IN5 LX 1

NC 6

1

2

3

4

UART0

NA(HN1X4)

1

2

3

4

UART1

HN1X4

1 2

3 4

5 6

7 8

9 10

UEXT

BH10S

SHIELD

1

2

3

4

USB_HOST1

USB_A_VERTICAL

SHIELD

1

2

3

4

USB_HOST2

USB_A_VERTICAL

SHIELD

1

2

3

4

USB_HOST3

USB_A_VERTICAL

D+

D-

GND

ID

VBUS

USB_OTG

USB-OTG

3.3V

3.0VA

3.3V

3.3V

3.0VA

3.3V

3.3V

3.3V

3.3V

3.3V3.3V

3.3V

3.3V

3.3V

3.3V

3.3V

3.3V

3.3V

3.0VA

3.0VA

3.3V

3.3V

3.3V

3.3V

3.3V

3.3V

3.3V 3.3V

3.3V3.3V

3.3V

3.3V

3.3V

3.3V

3.3V

1.2V_INT

1.2V_INT

VGA_DB15-F_1

VGA_DB15-F_2

VGA_DB15-F_3

VGA_DB15-F_5

VGA_DB15-F_6

VGA_DB15-F_7

VGA_DB15-F_8

VGA_DB15-F_10

VGA_DB15-F_13

VGA_DB15-F_14

1

2

3

4

WIFI

HN1X4

13WIFI-3.3V/5V_USB

#OVCUR1

+5V_OTG_PWR

+5V_OTG_PWR

A0 A0

A0

A1 A1

A1

A2 A2

A2

A3 A3

A3

A4 A4

A4

A5 A5

A5

A6 A6

A6

A7 A7

A7

A8 A8

A8

A9 A9

A9

A10 A10

A10

A11 A11

A11

A12 A12

A12

A13 A13

A13

A14 A14

A14

BA0 BA0

BA0

BA1 BA1

BA1

BA2 BA2

BA2 CASN CASN

CASN

CKE CKE

CKE

CLK CLK

CLK

CLKCLKN CLKN

CLKN

CLKN

D0

D0

D1

D1

D2

D2

D3

D3

D4

D4

D5

D5

D6

D6

D7

D7

D8

D8

D9

D9

D10

D10

D11

D11

D12

D12

D13

D13

D14

D14

D15

D15

DDR3_ODT DDR3_ODT

DDR3_ODT

DDR3_RST DDR3_RST

DDR3_RST

DDR3_RST

DQM0

DQM0

DQM1

DQM1

DQS0

DQS0

DQS0_N

DQS0_N

DQS1

DQS1

DQS1_N

DQS1_N

EXTEN

EXTEN

EXTEN

IPSOUT

IPSOUT

IPSOUT

IPSOUT

IPSOUT

IPSOUT

IPSOUTIPSOUT

IPSOUT

IPSOUT

LCD_CLK

LCD_CLK

LCD_D2

LCD_D2

LCD_D2

LCD_D3

LCD_D3

LCD_D3

LCD_D4

LCD_D4

LCD_D4

LCD_D5

LCD_D5

LCD_D5

LCD_D6

LCD_D6

LCD_D6

LCD_D7

LCD_D7

LCD_D7

LCD_D10

LCD_D10

LCD_D10

LCD_D11

LCD_D11

LCD_D11

LCD_D12

LCD_D12

LCD_D12

LCD_D13

LCD_D13

LCD_D13

LCD_D14

LCD_D14

LCD_D14

LCD_D15

LCD_D15

LCD_D15

LCD_D18

LCD_D18

LCD_D18

LCD_D19

LCD_D19

LCD_D19

LCD_D20

LCD_D20

LCD_D20

LCD_D21

LCD_D21

LCD_D21

LCD_D22

LCD_D22

LCD_D22

LCD_D23LCD_D23

LCD_D23

LCD_DE

LCD_DE

LCD_DE

LCD_HSYNC

LCD_HSYNC

LCD_HSYNC

LCD_VSYNC

LCD_VSYNC

LCD_VSYNC

LRADC

LRADC

NMI_N

NMI_N

NMI_N

NMI_N

PIN0

PIN0

PIN0

PIN1

PIN1

PIN2

PIN2

PIN3

PIN3

PIN4/TWI0-SCK

PIN4/TWI0-SCK

PIN4/TWI0-SCK

PIN5/TWI0-SDA

PIN5/TWI0-SDA

PIN5/TWI0-SDA

PIN6/PWM0

PIN6/PWM0

PIN6/PWM0

PIN7

PIN7

PIN7

PIN8PIN8

PIN8

PIN9

PIN9

PIN10/TWI1-SCK

PIN10/TWI1-SCK

PIN10/TWI1-SCK

PIN11/TWI1-SDA

PIN11/TWI1-SDA

PIN11/TWI1-SDA

PIN12/NWEPIN12/NWE

PIN12/NWE

PIN13/NALE

PIN13/NALE

PIN13/NALE

PIN14/NCLE

PIN14/NCLE

PIN14/NCLE

PIN15/NCE1

PIN15/NCE1

PIN16/NCE0

PIN16/NCE0

PIN16/NCE0

PIN17/NRE

PIN17/NRE

PIN17/NRE

PIN18/NRB0

PIN18/NRB0

PIN18/NRB0

PIN19/NRB1

PIN19/NRB1

PIN20/NDQ0

PIN20/NDQ0

PIN20/NDQ0

PIN21/NDQ1

PIN21/NDQ1

PIN21/NDQ1

PIN22/NDQ2

PIN22/NDQ2

PIN22/NDQ2

PIN23/NDQ3

PIN23/NDQ3

PIN23/NDQ3

PIN24/NDQ4

PIN24/NDQ4

PIN24/NDQ4

PIN25/NDQ5

PIN25/NDQ5

PIN25/NDQ5PIN26/NDQ6

PIN26/NDQ6

PIN26/NDQ6PIN27/NDQ7

PIN27/NDQ7

PIN27/NDQ7

PIN28/NDQS

PIN28/NDQSPIN29 PIN29PIN30

PIN30

PIN31

PIN31

PIN32

PIN32

PIN33

PIN33

PIN34

PIN34

PIN35

PIN35

PIN36

PIN36

PIN37/LED1

PIN37/LED1

PIN37/LED1

PIN38/VGA_DIS

PIN38/VGA_DIS

PIN38/VGA_DIS

PIN39/USBH_EN

PIN39/USBH_EN

PIN39/USBH_EN

RASN RASN

RASN

RESET_N

RESET_N

RESET_N

RESET_N

SD0CARD-DETECTSD0CARD-DETECT

SD0CARD-DETECT

SDC0_CMDSDC0_CMD

SDC0_CMD

SDC0_CMD

SDC0_DATA0SDC0_DATA0

SDC0_DATA0

SDC0_DATA0


SDC0_DATA1

SDC0_DATA1


SDC0_DATA2

SDC0_DATA2

SDC0_DATA3

SDC0_DATA3

SDC0_DATA3

SDC0_SCK

SDC0_SCK

SDC0_SCK

SPI2_CLK

SPI2_CLK

SPI2_CS0

SPI2_CS0

SPI2_MISO

SPI2_MISO

SPI2_MOSI

SPI2_MOSI

SVREF

TPX1

TPX1

TPX2

TPX2

TPY1

TPY1

TPY2

TPY2TWI2_SCK

TWI2_SCK

TWI2_SDA

TWI2_SDA

UART1_RX

UART1_RX

UART1_RX

UART1_TX

UART1_TX

UART1_TX

UBOOT

UBOOT

UDM0

UDM0

UDM1

UDM1

UDP0

UDP0

UDP1

UDP1

USB0-DRV

USB0-DRV

USB0-DRV

USB0-IDDET

USB0-IDDET

USB0-VBUSDET

USB0-VBUSDET

VDD_RTC

VDD_RTC

VGA_B

VGA_CTRLVGA_CTRLVGA_CTRL

VGA_G

VGA_HSYNC

VGA_R

VGA_VSYNC

VINT

VINT

VPP

WEN WEN

WEN

WIFI-3V3

WIFI-3V3

X1

X2


7.2 Physical dimensions

Note that all dimensions are in mils.

The three highest elements on the board in order from the tallest to the shortest are: capacitor C126 – 650mils, the three USB hosts – 500mils, the VGA connector – 475mils

of 39


CHAPTER 8: REVISION HISTORY AND SUPPORT


In this chapter you will find the current and the previous version of the document you are reading. Also the web-page for your device is listed. Be sure to check it after a purchase for the latest available updates and examples.

8.1 Document revision

Revision Changes Modified Page#

A, 19.09.12 Initial Creation All

B, 21.09.12 Page 9 – Fixed several errors in voltage requirements and power consumption

9

C, 24.09.12

Pages 8, 9 – Fixed a typo of the wattage required

Page 11 – Added info how to change the configuration of the Android image

8, 9, 11

D, 26.09.12

Pages 9, 19 – added important note about powering down

Pages 13, 14 – changed the default config

file

9, 13, 14, 19

E, 31.10.12

Pages 9, 10, 37 – added info about Android images

Page 29 – fixed erroneous information aboutCE_NAND_E

Various pages – made it clear that the standard version lacks NAND and WIFI

9, 10, 29, 37

F, 21.03.13

Pages 9, 19 – added info about LiveSuit andcleared the instructions

Page 29 – fixed erroneous memory descriptions

Pages 20, 22 – added some multiplexing notes for clarity

Pages 33, 34 – updated board revisions

Various pages- updated several links

9, 19, 20, 22, 29 33, 34

G, 03.11.14

Added new Allwinner boards

Added GPIO, I2C and SPI information

Page 35 – manual revision updated

– board revision

6, 14, 16, 36

H, 18.02.15Added information about different DDR3 memories and the fact that they require different Debian image

31

I, 11.02.16Added clarifications that A13-OLinuXino-WIFI no longer comes with Android loaded inthe NAND

10

J, 09.10.17 Added info about the new 8GB NAND memories in A13-OLinuXino-WIFI

5, 32

Page 36 of 39


8.2 Board revision

Remember to check the schematics and the board design files to compare the differences.

Revision Notable Changes

B Initial release of the board

C

1. Fixed the VGA problem with development edition;

2. changed UART1 to UART0 and added new UART1;

3. added SMD jumper to be able to disable CS if you wish to boot from SDcard in future;

4. JTAG signals are on led to pads;

5. added test pads for the voltage of all regulators;

6. moved couple of elements for better distance between each other

D

1. Removed resistor matrices, except the ones near DDR3 memories – to lower production fault rates and improve repair-ability of the boards

2. Added header NA(HN1X2) so you can power only the RTC from external battery

3. BAT54C is added to allow RTC powering either from VDD_RTC or 3.0V_BAT

E

1. Added BAT54C after Rx to UART1 connector

2. Added 4.32k pull-up resistor on the RX line

3. Changed wrong prints of the revision and the Olimex web-site

4. Some libraries updated and some component prints removed due to spacerestrictions

5. Optimization of R10, R12, R13 with (239R/1%) value to 330R/1%

F1. Changed the SD card package with a more easier to replace one

2. Changed to package of the 32768 quartz crystal with an SMD type

G1. Updated component libraries

2. Some of the boards might use the new SAMSUNG memory – these require different Debian image

of 39


8.3 Useful web links and purchase codes

The web page you can visit for more info on your device is https://www.olimex.com/Products/OLinuXino/A13/A13-OLinuXino-WIFI/.

A place for general questions, FAQ or friendly talk check our forums: https://www.olimex.com/forum/

Links to some of the ready images are available in the wiki: https://www.olimex.com/wiki/A13-OLinuXino

You can get the latest updates on the software at: https://github.com/OLIMEX/OLINUXINO.

ORDER CODES:

A13-OLinuXino-WIFI – the full version of A13-OLinuXino with added NAND memory (Androidimage) and MOD-WIFI_RTL8188

A13-OLinuXino – the lite version of A13-OLinuXino with no external NAND and no embedded internet interface

USB-SERIAL-CABLE-F – USB serial console cable for connecting to UART1

SY0612E – power supply adapter 12V/0.5A for A13-OLinuXino and A13-OLinuXino-WIFI

BATTERY-LIPO1400mAh – battery capable of powering A13-OLinuXino-WIFI for a couple of hours (4+ hours standby with WiFi on)

How to order?

You can order directly from our online shop or from any of our distributors. The list of distributors is found here: https://www.olimex.com/Distributors/.

Check https://www.olimex.com/ for more info.

of 39

https://www.olimex.com/

https://www.olimex.com/Distributors/

https://github.com/OLIMEX/OLINUXINO



https://www.olimex.com/forum/

https://www.olimex.com/Products/OLinuXino/A13/A13-OLinuXino-WIFI/


8.4 Product support

For product support, hardware information and error reports mail to: [email protected]. All document or hardware feedback is welcome. Note that we are primarily a hardware company and our software support is limited. Please consider reading the paragraph below about the warranty of Olimex products.

All goods are checked before they are sent out. In the unlikely event that goods are faulty, they must be returned, to OLIMEX at the address listed on your order invoice.

OLIMEX will not accept goods that have clearly been used more than the amount needed to

evaluate their functionality.

If the goods are found to be in working condition, and the lack of functionality is a result of

lack of knowledge on the customers part, no refund will be made, but the goods will be returned

to the user at their expense.

All returns must be authorized by an RMA Number. Email [email protected] for authorization

number before shipping back any merchandise. Please include your name, phone number and order

number in your email request.

Returns for any unaffected development board, programmer, tools, and cables permitted within 7

days from the date of receipt of merchandise. After such time, all sales are considered final.

Returns of incorrect ordered items are allowed subject to a 10% restocking fee. What is

unaffected? If you hooked it to power, you affected it. To be clear, this includes items that

have been soldered to, or have had their firmware changed. Because of the nature of the

products we deal with (prototyping electronic tools) we cannot allow returns of items that have

been programmed, powered up, or otherwise changed post shipment from our warehouse.

All returned merchandise must be in its original mint and clean condition. Returns on damaged,

scratched, programmed, burnt, or otherwise 'played with' merchandise will not be accepted.

All returns must include all the factory accessories which come with the item. This includes

any In-Circuit-Serial-Programming cables, anti-static packing, boxes, etc.

With your return, enclose your PO#. Also include a brief letter of explanation of why the

merchandise is being returned and state your request for either a refund or an exchange.

Include the authorization number on this letter, and on the outside of the shipping box.

Please note: It is your responsibility to ensure that returned goods reach us. Please use a

reliable form of shipping. If we do not receive your package we will not be held liable.

Shipping and handling charges are not refundable. We are not responsible for any shipping

charges of merchandise being returned to us or returning working items to you.

The full text might be found at https://www.olimex.com/wiki/GTC#Warranty for future reference.

of 39

https://www.olimex.com/wiki/GTC#Warranty

mailto:[email protected]

a13-olinuxino and a13-olinuxino-wifi

Documents