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如何在 UBL 阶段 控制AM1808 某GPIO口的高低电平

Other Parts Discussed in Thread: AM1808, OMAP-L138

各位大虾:

小弟最近在弄AM1808的片子,因研发需要在 UBL 阶段 控制AM1808 某GPIO口的高低电平。

因为时间紧迫 ,还望知道的给点思路,最好能给个sample.

TKS