OLIMEX© 2015
A20-OLinuXino-MICRO user's manual
Recommended items:
- External USB hub – to split the USB_HOST mounted on the board; you need that to connect more
USB devices
- External power supply unit – 6-16V DC, 5W required (10V @ 0.5A) – for optimal power
- USB-SERIAL-CABLE-F – for Android/Linux debugging on UART0
- CABLE-IDC40-15cm – cable used for LCD_CON ↔ Olimex LCD display
- Adapter cable for the 6-pin VGA connector to standard VGA 15-pin connector
Additional items include:
- Audio device for HEADPHONES jack
- Ethernet cable for wired Ethernet
- A number of extension modules that can add functionality or interface to the board on the UEXT
connector; these can be explored here:
https://www.olimex.com/Products/Modules/
Some of the above-suggested items can be purchased by Olimex, for instance:
SY0612E –
reliable power supply adapter 50Hz (for EU) 12V/0.5A for A20-OLinuXino-MICRO
SY0612E-CHINA
– cheaper power supply adapter 50Hz (for EU) 12V/0.5A for A20-OLinuXino-
MICRO
A20-Android-SD
– a tested class 10 micro SD card with the latest (by the time of leaving the
Olimex facilities) official Android release
A20-Debian-SD
– a tested class 10 micro SD card with the latest (by the time of leaving Olimex
facilities) official Debian Linux release
USB-SERIAL-CABLE-F –
USB serial console cable female
USB-MINI-CABLE –
standard USB type A to USB type mini cable
A20-VGA-CABLE
– adapter from 6-pin connector to 15-pin one
CABLE-IDC40-15cm
– cable for LCD to LCD_CON connection
LCD-OLinuXino-4.3TS
– low-cost 4.3'' LCD display with touchscreen component – 480×272
LCD-OLinuXino-7TS
– low-cost 7'' LCD display with touchscreen component – 800×480
LCD-OLinuXino-10TS
– low-cost 10.1'' LCD display with touchscreen component – 1024×600
LCD-OLinuXino-15.6
– low-cost 15.6'' LCD display with touchscreen component – 1024×600
LCD-OLinuXino-15.6FHD
– low-cost 15.6'' LCD display with touchscreen component –
1920×1080
SATA-HDD-2.5-500GB
– 5GB 2.5'' SATA hard disk
SATA-CABLE-SET
– cables that allow the connection of a 2.5'' hard disk to the board
ALUMINIUM-HEATSINK-20×20×6MM –
heatsink radiator for better processor heat dissipation
2.3 Powering the board
There are three possible ways of powering A20-OLinuXino-MICRO-4GB – via external supply
providing 6-16V DC at the power jack, from 5V USB port via USB_OTG connector or from 3.7V
Li-Po battery via the LIPO_BAT. Note that the board consumes around 300mA of current at 12V
when there are no peripherals connected to the USB hosts, so make sure the power supply is able to
provide at least 500mA before plugging. Depending on your preferred way of powering you might
need additional hardware.
Important: Not all USB ports would be able to provide enough power for the board. Try using
another USB port/USB hub or a cable of higher quality. The best practice is not to count on the mini
USB-OTG as a single power source!
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