Olimex Open Source Hardware Embedded ARM Linux Single board computer with dual core, dual GPU ALLWINNER A20 CORTEX-A7 A2 A20-OLinuXino-MICRO 数据表
产品代码
A20-OLinuXino-MICRO
OLIMEX© 2013
A20-OLinuXino-MICRO user's manual
- 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:
- A number of extension modules that can add functionality or interface to the board on the UEXT
connector; these can be explored here:
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
A13-LCD43TS – low-cost 4.3'' LCD display with touchscreen component - 480 x 272
A13-LCD7 – low-cost 7'' LCD display with optional touchscreen component - 800 x 480
A13-LCD10 – low-cost 10'' LCD display with optional touchscreen component – 1024 x 600
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
A13-LCD43TS – low-cost 4.3'' LCD display with touchscreen component - 480 x 272
A13-LCD7 – low-cost 7'' LCD display with optional touchscreen component - 800 x 480
A13-LCD10 – low-cost 10'' LCD display with optional touchscreen component – 1024 x 600
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.
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!
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!
The preferred way of powering the board is via the PWR jack with 6-16V DC with a power of 5W
(e.g. 6Vx0.8A; 16Vx0.3A). This will make the board fully powered and able to power all the
peripherals connected to it.
(e.g. 6Vx0.8A; 16Vx0.3A). This will make the board fully powered and able to power all the
peripherals connected to it.
Note that when powering the board from the USB_OTG, the power provided might be insufficient
to also power a bigger LCD connected to the LCD_con. However, this power option is capable of
driving the board when using external display connected to the HDMI connector.
to also power a bigger LCD connected to the LCD_con. However, this power option is capable of
driving the board when using external display connected to the HDMI connector.
The typical consumption of A20-OLinuXino-MICRO-4GB is between 100mA and 320mA
depending on the current load and the power voltage applied.
depending on the current load and the power voltage applied.
If the board has entered power-down state you can bring it back without restart using the
PWR_BUT. The PWR_BUT is also used to start the board when powered from a Li-Po battery on
the battery connector.
PWR_BUT. The PWR_BUT is also used to start the board when powered from a Li-Po battery on
the battery connector.
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