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linux下如何启动时保持Uart Tx为低电平？

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linux下如何启动时保持Uart Tx为低电平？

‎09-21-2022 01:32 AM
315 Views
JessChen
Contributor I

使用的imx6ull，uart2上连接了一个模块，该模块要求启动时必须保持为低电平，直至驱动加载完成才能释放，我该如何操作uart tx的电位呢？

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‎09-23-2022 08:47 PM
307 Views
Rita_Wang
NXP TechSupport
NXP TechSupport

You can refer to our RM

b45499_0-1663991225626.png

 

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