ID:15327 ATOM "<name>" has port <name> that cannot be connected <text>

CAUSE: The specified port of the specified ATOM is connected. The port cannot be connected for one of the following reasons:
  • The port cannot be connected without any output or output enable registers.
  • The port cannot be connected in DDIO output or bidirectional modes.
  • The port cannot be connected for the input register.
  • The port cannot be connected to the input register.

ACTION: If you are using an EDA tool, contact the technical support for the EDA tool regarding this message. For further assistance contact Intel Technical Support by creating a Service Request at www.altera.com/mysupport.