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MMinu3's avatar
MMinu3
Icon for New Contributor rankNew Contributor
5 years ago

Problem erasing EPCQ flash memory on INTEL Cyclone evaluation board with Generic Serial Flash Interface Intel running on NIOS II

As mentioned above, I'm not able to erase Flash Memory (neither sectors, sub-sectors, or bulk) using the Generic Serial Flash Interface Intel running on NIOS II: only with "Quartus programmer" I can....
JohnT_Altera's avatar
JohnT_Altera
Icon for Regular Contributor rankRegular Contributor
5 years ago

Hi,

The code and waveform looks good. Could you try to performed sector protect to un-protect all the flash address? This is to ensure that there is no protection in place before performing the subsector erase.

If you are still facing the issue after un-protect the flash, could you try to performed sector or bulk erase to see if it is working?