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Altera_Forum's avatar
Altera_Forum
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15 years ago

PFL with S4 and MAXii

Hi I encounter an issue while using a PFL (FPP) configuration scheme. Actually: -- the Flash memory is correctly seen by the CFI and well programmed -- the configuration has the following be...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Hi

Actually, the problem is now solved.

It was question of delaying the PFL_RESET after S4 and MAXii start up, now it is perfect.

If somebody is interested, I can provide (much) more details.

Whilst doing so, I saw that the IP does something with the FLASH even when not in reset condition.

Unfortunately, this is not well documented and if somebody from ALTERA reads this tread, it would be nice to have a more consistent documentation on this PFL feature and some troubleshooting guidelines.

Timing diagrams of coarse, never can get enough of these.

Kind regards

Thomas