WARNING:Place:1109: - A clock IOB / BUFGMUX clock component pair have been found that are not placed at an optimal clock IOB / BUFGMUX site pair. ... There is only a select set of IOBs that can use the fast path to the Clocker buffer, and they are not being used. You may want to analyze why this problem exists and correct it. This is normally an ERROR ....
از کنار این هشدار به سادگی نگذرید! خیلی خیلی مهم است ... انتظار نداشته باشید که با وجود این خطا، برنامه تان به درستی کار کند ... شاید هم مجبور شوید PCB تان را دوباره طراحی کنید ...