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CC2642R: IO在上电时有几纳秒的脉冲,不管设置成输入输出都没用。怎么保证上电IO点平是稳定的?

Part Number: CC2642R


在上电是有几毫秒的脉冲导致触摸芯片复位后不能进入升级模式,

复位脚换到IO电平稳定的引脚就能正常进入升级模式。

请问怎么配置才保证上电时引脚电平稳定?