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11-12-2009, 01:48 PM
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Altera/EPCS16 issues
Hi,
On a board here I always load an EPCS16 without errors, and the FPGA (cyclone III) works as expected. But Quartus II it does not verify the EPCS16 it reports operation failed. However yesterday I had it verifying ok for more than 2 hours and today if fails again to verify. All other operations seem to work fine, erasing, examining, blank check etc. Is it a defective chip or anyone else has seen this behavior ? Luis C. p.s. Quartus II 8.1 / AS w/USB Blaster. 
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11-12-2009, 04:17 PM
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Re: Altera/EPCS16 issues
LC pisze:
> Hi, > > On a board here I always load an EPCS16 without errors, > and the FPGA (cyclone III) works as expected. > > But Quartus II it does not verify the EPCS16 it reports > operation failed. However yesterday I had it verifying > ok for more than 2 hours and today if fails again to verify. > > All other operations seem to work fine, erasing, examining, > blank check etc. > > Is it a defective chip or anyone else has seen this behavior ? > > Luis C. > > p.s. Quartus II 8.1 / AS w/USB Blaster. Try with Jtag and indirect EPCS programming mode. Adam
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