AllWinner A20 Linux Source Code, EVB Schematics and Product Brief

Hardware based on AllWinner A20 such as Cloudsto Media PC PRO DRIVEDOCK, should start to be available soon, and resources for developers have been slowly released (or leaked) to the community.

AllWinner A20 Source Code

The source code for AllWinner A20 and A31 has been released to sunxi-linux a while back, and they have started to clean up the code before hardware becomes available. The code apparently hasn’t made it to sunxi-linux github account just yet, but Linux for A20  has been imported into github at AllWinner A20 is known as sun7i in the code.

AllWinner A20 Evaluation Board Schematics and Product Brief

Olimex received A20 EVB schematics and product brief from AllWinner earlier this week, and as usual, they promptly uploaded those documents to their github account. The 3-page product brief does not bring anything new, and the data sheet does not seem to be available right now. The schematics are both available in PDF and Orcad (.DSN) format, so it should be easy to adapt them to your own design as long as you use Orcad.

AllWinner A20 Evaluation Board Block Diagram
AllWinner A20 Evaluation Board Block Diagram

Olimex did a detailed analysis of A20 schematics, and compared it to A10 schematics to see if AllWinner A20 is really pin-to-pin compatible with AllWinner A10. Although it’s possible to make a board that works with both SoC,and Olimex just plan to do that with their A10/A20 development board, the conclusion is that existing boards are unlikely to be compatible and some modifications are needed.

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11 Replies to “AllWinner A20 Linux Source Code, EVB Schematics and Product Brief”

  1. which version of orcad we need to use to open AllWinner A20 Evaluation Board Schematics (*.DSN)

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