AK3918 Specification

BPI-D1 use AK3918 chip on board, more about AK3918 Specification,please download this document.

Google driver download link:

https://drive.google.com/file/d/0B4PAo2nW2KfnbGJpa19FWWpwWDQ/view?usp=sharing

baidu download link:

http://pan.baidu.com/s/1pJUgCo7