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Altera_Forum
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10 years ago

Error (209059): Can't communicate with device. Device will stop functioning...

Hi guys Im getting this error: Error (209059): Can't communicate with device. Device will stop functioning when it reaches its non-tethered mode timeout limit. I have a new Cyclone...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

For the tethered mode to work, you need to not only have the JTAG cable connected, but the Quartus II programmer running as well. Also, some/all of the licensed IP won't work if the FPGA is configured from flash at power up vs using the JTAG cable.