SAM4S Xplained Pro EBI speed->NAND

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jonavarque
Posts: 29
Joined: Fri Jul 10, 2015 6:35 pm

SAM4S Xplained Pro EBI speed->NAND

Mon Jul 13, 2015 2:52 am

I am not sure if this should go in this forum.

:I have managed to get the NAND on the SAM4S XPlained Pro board to work. Reading a page takes about 600uS with non-optimized code, running at 120Mhz.

I know this has to be wrong and I am thinking I should be looking at how the EBI (SCM? ) is clocked? I am having a little trouble determining how that might be done.

I guess the main question is, how do I speed up the NAND read timing? And how do I determine the wait timings I use to set up the 29F that is on the board?

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