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Altera_Forum
Honored Contributor
Honored ContributorHelp with Flash memory reading
hi, I am new to digital design and FPGAs, and I am having trouble with the flash Memory on the Cyclone II development board. I am playing around with a simple (6502) based cpu core (actual...
Altera_ForumHonored Contributor
Honored ContributorThe Altera documentation shows the flash part number as S29AL032DTFN.
Spansion data sheet shows the S29AL032DTFN only avaliable in the 90ns speed grade. If you are changing the address every 74ns(1/27MHz*2), you will not be meeting the specs of the flash device. Page 30 http://www.altera.com/literature/manual/mnl_cii_starter_board_rm.pdf Page 11 http://www.spansion.com/datasheets/s29al032d_00_a8_e.pdf
