本帖最后由 攻城狮 于 2013-10-10 15:40 编辑
000 Pin disabled (analog).
001 Alternative 1 (GPIO).
010 Alternative 2 (chip-specific).
011 Alternative 3 (chip-specific).
100 Alternative 4 (chip-specific).
101 Alternative 5 (chip-specific).
110 Alternative 6 (chip-specific).
111 Alternative 7 (chip-specific). 我没有找到2~7的定义，那位大侠帮解答一下。谢谢！
| 
楼主
