Assignments -> Device -> Device and Pin Options...
Under the 'General' section, select 'Enable INIT_DONE output'
Yes. INIT_DONE output pin can be enabled in Cyclone V, purpose is to ensure successful configuration.
Kindly refer to the link below.
https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/hb/cyclone-v/cv_5v2.pdf - Page 244 onwards.
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