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SHARC SPI slave select and IRQ/FLAG pins, again

Question asked by Hfuhrhurr on Jan 26, 2011
Latest reply on Jan 27, 2011 by Hfuhrhurr

Hi all,


I saw the other thread with this subject but it didn't answer all my questions.


I use a ADSP21261, disable the parallel port and use AD0-15 as GPIO pins.

So, Flag0-3 revert to their alternate functions IRQ0-2, TIMEXP.

I assume that therefore I can not use these pins as SPI slave select.


What to do, then? Can I simply use 1 or 2 of AD0-15 as SPI slave selects and set them manually during SPI operation? SPI must be core-driven, then, I assume.


Best regards,