Cyclone V: EPCS pins (Data[4:0] pins) use as regular I/O

Hi,

DATA[5:15] are only Optional/Dual-Purpose Configuration Pins.

data[4:0] are Dedicated Configuration/JTAG Pins fixed functions can't use it as regular I/O pins.

Refer

https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/dp/cyclone-v/pcg-01014.pdf

Let me know if this has helped resolve the issue you are facing or if you need any further assistance.

Regards

Anand