各位TI工程师,我在AM1808的使用过程中碰到了GPIO被烧坏的情况。分析了设计原理和使用方法,一直没找到合理的解释,现将具体设计思路描述一下。我的设计意图是打算使GPIO由外部控制它的高低电平输入,实际电路如图所示,10K的上拉电阻和47pf的对地电容,由外部接插件控制GPIO是否输入低电平
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