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Altera_Forum
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16 years ago

Serial configuration problem of Cyclone II device using quatrus 9.1

I have a working design implemented in a Cyclone EP2C5T144C7 device conficgured by an EPCS1 prom in Active Serial mode. I switched to Quartus 9.1, recompiled the project, and reprogrammed the...
Altera_Forum's avatar
Altera_Forum
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16 years ago

Hi,

this option "Active Serial Mode CONF_DONE pin error checking is disabled" is exactly what you actively set when generating "manually" the pof as I described. Thus it seems this option was deactivated in v9.0 and has been (whatever reason) activated in v9.1 now...

Carlhermann

BTW.: I asked ALTERA if this deactivation might cause false or incomplete configurations due to noise, ... during configuration not to be detected, but this is not.