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OLIMEX© 2014
A13-OLinuXino user's manual
CHAPTER 6: CONNECTORS AND PINOUT
6. Introduction to the chapter
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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