Allwinner A20 User Manual

A20-OLinuXino-MICROOpen-source single-boardAndroid/Linux mini-computerUSER’S MANUALRevision I, May 2014Designed by OLIMEX Ltd, 2014All boards produced

OLIMEX© 2014 A20-OLinuXino-MICRO user's manualdriving the board when using external display connected to the HDMI connector.The typical consumpti

OLIMEX© 2014 A20-OLinuXino-MICRO user's manualusers, we have provided a shell script that can be executed in order to set preferred video output

OLIMEX© 2014 A20-OLinuXino-MICRO user's manual4. 1024×7685. 800×6006. 640×4807. 1920×10808. 1280×7202.6 Calibrating a display2.6.1 Android calibr

OLIMEX© 2014 A20-OLinuXino-MICRO user's manualPWR_BUT – used to perform software turn off, software turn on; used to turn on board when powered b

OLIMEX© 2014 A20-OLinuXino-MICRO user's manualCHAPTER 3: A20-OLinuXino-MICRO BOARD DESCRIPTION3. Introduction to the chapterHere you get acquaint

OLIMEX© 2014 A20-OLinuXino-MICRO user's manual3.2 Layout (bottom view)At the bottom of the board there are mainly buttons and the large SD/MMC co

OLIMEX© 2014 A20-OLinuXino-MICRO user's manualCHAPTER 4: THE ALLWINNER A20 EMBEDDED PROCESSOR4. Introduction to the chapterIn this chapter is loc

OLIMEX© 2014 A20-OLinuXino-MICRO user's manual NAND Flash controller with 64-bit ECC AUDIO Integrated HI-FI 100dB Audio Codec Dual analog mic

OLIMEX© 2014 A20-OLinuXino-MICRO user's manualCHAPTER 5: CONTROL CIRCUITY5. Introduction to the chapterHere you can find information about reset

OLIMEX© 2014 A20-OLinuXino-MICRO user's manualCHAPTER 6: CONNECTORS AND PINOUT6. Introduction to the chapterIn this chapter are presented the con

OLIMEX© 2014 A20-OLinuXino-MICRO user's manualDISCLAIMER© 2014 Olimex Ltd. Olimex®, logo and combinations thereof, are registered trademarks of O

OLIMEX© 2014 A20-OLinuXino-MICRO user's manual4. Press and hold RECOVERY button, apply power supply (6-16)V, release RECOVERY button.5. Connect U

OLIMEX© 2014 A20-OLinuXino-MICRO user's manual6.1.2 UART0, UEXT1, UEXT2 interfaceThe UART0 might be used for UART communication by default. It is

OLIMEX© 2014 A20-OLinuXino-MICRO user's manual6.2 SD card connectorsThere are two SD card connectors on this A20 board. The now common microSD ca

OLIMEX© 2014 A20-OLinuXino-MICRO user's manualimage especially if you have ordered a version of the board without NAND memory. It is also recomme

OLIMEX© 2014 A20-OLinuXino-MICRO user's manualSD/MMC card connectorPin # Connector signal name Wire name (processor pin)1 CD/DAT3/CS SDC3-D3 (B16

OLIMEX© 2014 A20-OLinuXino-MICRO user's manual6.4 MIC_IN & HEADPHONES connectorsThe part of the schematic related to those connectors is list

OLIMEX© 2014 A20-OLinuXino-MICRO user's manualThe connector can interface standard 3.5 mm phone connector (also known stereo plug or audio plug).

OLIMEX© 2014 A20-OLinuXino-MICRO user's manual6.6 USB_HOST connectorThe part of the schematic related to the USB_HOST connector is listed below:T

OLIMEX© 2014 A20-OLinuXino-MICRO user's manualUSB_HOST two-level connectorPin # Signal name Processor pin Pin # Signal name Processor pin1.1 5V C

OLIMEX© 2014 A20-OLinuXino-MICRO user's manualgateway 192.168.1.254 The EEPROM memory may be used to store the MAC address.Important: In some Deb

OLIMEX© 2014 A20-OLinuXino-MICRO user's manualTable of ContentsDISCLAIMER

OLIMEX© 2014 A20-OLinuXino-MICRO user's manualLED Color UsageRight Green Link statusLeft Yellow Activity status6.8 HDMI connectorThe part of the

OLIMEX© 2014 A20-OLinuXino-MICRO user's manual6.9 VGA connectorYou would probably need an adapter cable for the VGA display (6-pin connector to 1

OLIMEX© 2014 A20-OLinuXino-MICRO user's manual6.10 SATA connector and powerThe part of the schematic describing the SATA module is shown below:SA

OLIMEX© 2014 A20-OLinuXino-MICRO user's manual37 VGA-R AC17* 38 MIC1OUTP AC2239 LRADC1 AB22* 40 MIC1OUTN AC23*Signals marked with * are multiplex

OLIMEX© 2014 A20-OLinuXino-MICRO user's manualSignals marked with * are multiplexed with either a peripheral device or another connector. Ensure

OLIMEX© 2014 A20-OLinuXino-MICRO user's manualLCD_CON connectorGPIO pin# Signal name Processor pin GPIO pin# Signal name Processor pin1 +5V - 2 G

OLIMEX© 2014 A20-OLinuXino-MICRO user's manualIn Debian Linux you would need to start a start a shell script to change the built-in the image res

OLIMEX© 2014 A20-OLinuXino-MICRO user's manualCHAPTER 7: SCHEMATICS7. Introduction to the chapterIn this chapter is located information about the

OLIMEX© 2014 A20-OLinuXino-MICRO user's manual7.2 Physical dimensionsNote that all dimensions are in mils.The three highest elements on the board

OLIMEX© 2014 A20-OLinuXino-MICRO user's manualCHAPTER 8: REVISION HISTORY AND SUPPORT8. Introduction to the chapterIn this chapter you will find

OLIMEX© 2014 A20-OLinuXino-MICRO user's manual6.2.1 SD/MMC1 slot

OLIMEX© 2014 A20-OLinuXino-MICRO user's manualRevision, date Changes Modified pageG, 24.10.131. Added more information about SSH connection2. Add

OLIMEX© 2014 A20-OLinuXino-MICRO user's manualpurposes4. R41 and R104 changed from 1k/1% to 390R for better sync signal and to improve the VGA si

OLIMEX© 2014 A20-OLinuXino-MICRO user's manualA13-LCD7 – low-cost 7'' LCD display with optional touchscreen component – 800×480A13-LCD1

OLIMEX© 2014 A20-OLinuXino-MICRO user's manualQ: How to detect and enable the Ethernet controller (if it is disabled by default)?A: You can enabl

OLIMEX© 2014 A20-OLinuXino-MICRO user's manual8.5 Product supportFor product support, hardware information and error reports mail to: support@oli

Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Olimex Ltd.: A20-OLINUXINO

OLIMEX© 2014 A20-OLinuXino-MICRO user's manualCHAPTER 1: OVERVIEW1. Introduction to the chapterThank you for choosing this OLinuXino single board

OLIMEX© 2014 A20-OLinuXino-MICRO user's manual1.2 Target market and purpose of the boardThe boards from the OLinuXino family are easy to setup an

OLIMEX© 2014 A20-OLinuXino-MICRO user's manual– Chapter 5 is an explanation of the control circuitry associated with the microcontroller– Chapter

OLIMEX© 2014 A20-OLinuXino-MICRO user's manualCHAPTER 2: SETTING UP THE OLINUXINO BOARD2. Introduction to the chapterThis section helps you set u

OLIMEX© 2014 A20-OLinuXino-MICRO user's manual- USB-SERIAL-CABLE-F – for Android/Linux debugging on UART0- CABLE-IDC40-15cm – cable used for LCD_