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Altera_Forum
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13 years ago

Cyclone IV no JTAG access after PS configuration

Hi I use passive serial configuration for a EP4CE10F17C8 device (a DSP controls the nSTATUS, nCONFIG, DCLK and DATA0 ports of the FPGA) After configuration the FPGA releases CONF_DONE as it sho...
Altera_Forum's avatar
Altera_Forum
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13 years ago

I am getting similar issue on Arria V evaluation board as well but mainly by programming thru SignalTap. The only workaround I found so far is shuffle around the SignalTap buses, and re-compile. Next time around a good chance is it will work, but also a fairly high 25% chance more time to be wasted. My device is only about 1/3 full but it takes an hour to compile...

I wonder if the re-compile at least works for you.

Jeng