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How to reassign the UART TXD Pin to GPIO then recover TXD function when runtime

Question asked by Jason Shao on Aug 22, 2018
Latest reply on Aug 22, 2018 by igorpadykov

When boot up, the PAD_UART2_TXD is configured as TXD Pin of UART2. And I use UART2 to communicate with peripheral device. But I need to send one pulse through PAD_UART2_TXD then back to UART function. How should I do?