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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...
Altera_Forum's avatar
Altera_Forum
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16 years ago

I cannot get the ALTASMI megafunction and the Nios EPCS peripheral to get along. Perhaps I will use AS for the initial config of the EPCS. Then if I want to reconfigure the device after I have already written to the user portion of flash, I will use a separate project that just contains the Nios, program the FPGA using the sof via JTAG, then run the nios flash programmer to write the new config data to the EPCS device. Wow that sounds convoluted...