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DS17's avatar
DS17
Icon for New Contributor rankNew Contributor
2 years ago

EPCS128 to EPCQ128A provides incorrect information using alt_flash...()

Our old FPGA module has a Cyclone III with EPCS128. Because of the Cyclone III I am forced to use Quartus 13.1.4 Build 182 03/12/2014 SJ Full Version. Since the EPCS128 is no longer available, I sw...
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Programmable Logic Device
FvM's avatar
FvM
Icon for Super Contributor rankSuper Contributor
2 years ago

Hi,

strictly speaking, the memory chips can't provide any information about memory organisation, because they don't have means to do see, unlike e.g. CFI parallel flash. The information is send by the IP core based on assumptions. Apparently they have wrong assumptions about unknown chips.

I'm not sure if this is a real problem, more important that you know about actual sector sizes and perform appropriate erase etc.