SPI AT32UC3A

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#1
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Dose TDRE and RDRF bit are set at same time? Because TDRE means the end of transmission and RDRF means the completion of reception . Since they both happen at same time I got this doubt.

Trying to find solution to life.

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The transmitter has a buffer which will hold data while transmission of the previous data is in progress.
TDRE is set when the transmitter buffer can accept more data because the previous data has been moved to the serialiser and is now being shifted-out.

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i didn't get u. dose ur answer mean yes to my question or no?

Trying to find solution to life.