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Intel: When reading data in the configuration device from ASMI Parallel IP Core, FFh is read.
Category: IP (ASMI Parallel)
Tools: Quartus® Prime
Device: Cyclone® IV
Assignments menu ⇒ Device ⇒ Device and Pin Options ⇒ Configuration in Quartus® Prime If Enable input tri-state on active configuration pins in user mode is checked, pins related to Active Serial configuration are tri-state in user mode. It becomes a state and cannot be read normally.
Compile with it unchecked and give it a try.
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