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Altera_Forum's avatar
Altera_Forum
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16 years ago

double write pulse using only one single IOWR_16DIRECT

Hi, I've hooked up a CFI flash (8MB) to the Tristate bus. I've managed to get the CFI query working, however, I can't write to the flash at all. Observing the bus, I've found out that every IOW...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

No one complained about this. I believe that this occurs uniquely to my SPOC system which was created since version 7.2, then migrated to 8.0. Some setting causes the thing to happen. I had to work around by having some and/or logic together with the write enable/byte enable to suppress the second pulse.

It's quite wierd.

Thanks :)

If i start every thing from scratch in version 8.0, it works perfectly.