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I can write pof file into flash, but i can't configure the fpga correctly. What's the problem? Is it the pof file not corret? or the locig is wrong?
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First, can you load the SOF file into the FPGA and does it work as expected?
If yes, then your pof file is mostlikely good, so your loading logic might be wrong. The Altera WEB page has some self guided trouble shooters to help you out. Cross check all your pull up resistors, etc.- Mark as New
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Thank you very much for young answer.
I can load sof into FPGA and work correctly. But I don't know that the pof file is correct after sof converted to pof file through Quartus II 7.1 under FILE->Convert Programming File. Also, I have checked out the Altera WEB page's self guided trouble shooters. So now, I have no ideo about what's the problem. By the way, I have checked out the signal from maxii that FPGA configuration is working, but it can't configure correctly, so it retry again and again.- Mark as New
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1) In you PFL megawizard that you have instantiated into your MAXII device what is the setting of the field "What should occur on configuration failure".
2) Also when you programmed your FLASH device through the PFL did the Quartus II programmer console show a successful message. Can you send the screenshot of the succesful programming of the FLASH. 3) Which version of Quartus II software are you using? 4) Did the CONF_DONE signal go high on the FPGA after using the pof file? 5) You can force reconfiguration if you tick the box in the PFL megawizard "Include input to force reconfiguration". This will add an external port which you can control with a switch external to the PLD- Mark as New
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also make sure the pfl instance was generated with the same version of quartus as the pof, IE: 7.1
--dalon- Mark as New
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thank you very much.
now i have successfully completed the pfl. but i don't kown where the problems are. just i complated again, the pfl core can run correctly.:(
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