08)Can we read from a port while write to the same port? When we short the TX and Rx pins the value TX can be captured from the same port as a data read from port?

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This looks to be homework. We don't do your homework. Learn what a serial connection is and the answer is quite easy.

08)Can we read from a port while write to the same port? When we short the TX and Rx pins the value TX can be captured from the same port as a data read from port?

Serial Port Programming

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