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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

Bingo,

Problem solved ... Here's what I did:

Delete the NIOS processor and instantiate it again ... working fine ...

I've been using the NIOS created by my colleague using SOPC 7.2 --> the CFI Flash doesn't work ... because of the double write access ...

Now, I just deleted the NIOS and instantiate a new one --> working fine ...

In both cases, I always use SOPC v8 sp1.

...

Can any expert tell me what is going on underneath? .... This thing was really tiring!!!

Regards,

Jeff