Indicates the type of Receiver Detect Default or Falling Edge. This parameter is available on the GT Settings Tab when Advanced mode is selected. This parameter is available only for Production devices. When the Falling Edge option is selected, the GT Channel DRP Parameter on the Basic tab (in Advanced mode) is disabled. For more information about this option, see the UltraScale Architecture GTH Transceivers User Guide (UG576) [Ref 12] .