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Another question : have you any recommendation for flash memory pinout?
I use Spansion S29GL512N it dosen't work also :( (you can find the project archive to test flash here)
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The flash interface can use any compatible I/O pins.
Did you simulate your design with the Spansion flash model, or at least simulate it with a simple memory model and check that you have the read/write timing correct?
I've used the Spansion flash on many boards, without issues. Eg., see the timing on p30
http://www.ovro.caltech.edu/~dwh/carma_board/fpga_configuration.pdf Cheers,
Dave
Honored Contributor
