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Altera_Forum
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16 years ago

Preserving sectors in an EPCS

Hello, I need to update the configuration device (EPCS4N) of a Cyclone II FPGA (EP2CF4848N). Sector number 7 was used to store information that is programmed during production. I would like t...
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Altera_Forum
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16 years ago

Hi Wahilakn,

I managed to get it working. What I did was to compile a minimal NIOS core, upload this first to the FPGA using the quartus_pgm.exe, and then used the nios2-flash-programmer.exe utility to erase and program only parts of the EPCS device.

This is a bit of a hack, but I did not find another way to do it.

Regards,

Richard.