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olsen
 Post subject: Value of spi status register TXEMPTY after reset
PostPosted: Tue Apr 13, 2010 2:07 pm 
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Joined: Tue Apr 13, 2010 1:47 pm
Posts: 1
I have been reading the AT91SAM7S Series Preliminary and have a question regarding the SPI status register TXEMPTY flag.

What is the value of spi status register TXEMPTY after reset? The datasheet says that the reset value of SPI_SR is 0xF0 which means that TXEMPY is 0 but I would assume that it should be equal to 1 since SPI_TDR and the shift is empty.

Am I missing something?

Cheers,
Thomas
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