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title: Week #9 (Apr 16) :: I/O, Interrupt, Exception (ARM)
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教材
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* YouTube
  - http://www.youtube.com/watch?v=EwfhjVV7D7Q
  - http://www.youtube.com/watch?v=5ecPjXWc4CA
  - http://www.youtube.com/watch?v=_APmI6qe9kU
  - http://www.youtube.com/watch?v=mHZBFZSklqk
  - http://www.youtube.com/watch?v=WLIo7TA82xE (Realtime Linux CNC)
  - https://www.facebook.com/roboard.lab

* [ARM System Overview](/embedded/arm-overview.pdf)
* 小型多工作業系統核心分析: https://gitcafe.com/embedded2013/simple-arm/
  - 搭配 ``git log -p`` 指令以得知每一步的修改