Honored Contributor
Honored ContributorI had the same problem... I had made mistakes in pin assignments and that was the error. make sure all pin assignments are correct
--- Quote Start --- originally posted by bluebell_ll@Jan 25 2007, 08:46 AM hi, everyone, i met a strange problem.
after i compiled the project(standard project, i added usb host ip core and assign pins) in quartus ii 5.0 successfully, and download the .sof file into the altera dev board, stratix edition, when i want to run a simple project in nios ii ide 5.0 with a hello world template, then a problem occurs in ide console. it does well in first time, but when i want to run it again, can not any more. here is what happened in console.
>>using cable "usb-blaster [usb-0]", device 1, instance 0x00
>>pausing target processor: not responding.
>>resetting and trying again: failed
>>leaving target processor paused
i search this problem in google and other search engines. fae in altera had explained this problem before, with two possible reasons. one is accidental error between nios ii cpu and ide software through usb-blaster, and you could resolve this problem with downloading the sof file and run again. the other was making the tools consistency(nios ii ide 6.0, quartus ii 6.0), rebuilding the system again.
i followed the instruction, but can not get the right result!
and some guys say it is related with clock and time sequence of sdram, but does not give the solutions.
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