pdi_eng
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2 years agoAltera EP4CE22F17C8N Can't Recognize silicon ID for device 1
We have build a lot of these assemblies and this board is a one off problem board. When I try to program this device in Quartus, I get the error "Can't Recognize silicon ID for device 1".
I have checked the crystal and swapped out the EEPROM.
We had this part replaced by a company that x-rays and specializes in BGA rework. I want to be able to verify everything else works before replacing this Cyclone again.
What would cause this error?
What is the minimum surrounding circuitry needed to program and recognize silicon ID?