POF file

Question

Why an Assembler generated POF file is different than a POF file generated by "Convert Programming Files..." tool? Both files are the same size but a significant number of bytes are different. Comparing the POF to a JIC (of course with headers removed) shows that the POF generated by "Convert..." tool is the same as the JIC file.

Programming my board with the JIC file results in a working system. I have not tried programming my board with the assembler generated POF.

I am using Quartus II 15.0.2 with Cyclone V and EPCQ256 serial flash.

Thank you,

joez

altera_forum · Answer

Hi,

Google gave me this documentation of the POF format: http://www.pldtool.com/pdf/fmt_pof.pdf (http://www.pldtool.com/pdf/fmt_pof.pdf) (doesn't look like the "official" documentation, but I think it's sufficient). It's very terse, but as you can see, there's a "Creator_ID", which identifies the "program which created the POF", so that field will obviously change depending on whether the assembler tool generates it or the programming file converter tool creates it.

Best regards,

GooGooCluster

altera_forum · Answer

Thank you!

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POF file

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