Hi,
1. Have to set msel to Passive serial mode?
2. Check the pull-up resistor.
Try to regenerate the .rbf file.
Refer previous threads
https://www.alteraforum.com/forum/showthread.php?t=44219 https://alteraforum.com/forum/showthread.php?t=6499 Steps:
1. Open Convert Programming File tab.
2. Choose Programming file type - JIC
3. Choose all needed settings
4. Check the Create config data RPD
5. Press Generate.
Let me know if this has helped resolve the issue you are facing or if you need any further assistance.
Best Regards,
Anand Raj Shankar
(This message was posted on behalf of Intel Corporation)