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Honored Contributor

17 years ago

Help 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...

stp1.zip5 KB

Altera_Forum

Honored Contributor

17 years ago

The 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

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Help with Flash memory reading

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