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Altera_Forum
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11 years ago

Fake Cyclone III ?

I have problem I unable to understand. On designed PCB who is checked regarding design number of times my Cyclone III is detected but not exact part that I have. Instead EP3C40F484C8N EP3C16 is detec...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

Hi,

I think that this is because these 2 FPGA share the same JTAG id code, please note the following table screenshots from the cyclone3/cyclone4 handbook:

Best regards,

Jelle