Constraints Editor
Shift Register Initialization Dialog Box
Use this dialog box to initialize shift registers. This creates an INIT constraint.
  •  SR Instance
    Lets you select the shift register instance to initialize.
  •  Filter box
    Lets you specify a filter for shift register instances listed in the SR Instance list. For example, to make your selection only from shift register instances containing the string "init," type *init* in the box. The filter is not case sensitive.
  •  Find button
    Finds items that match the specifications in the Filter box. These will be the shift registers that are initialized.
  •  Comment box
    Lets you include a comment with the constraint.
  •  INIT String box
    Lets you enter a hexadecimal value for the startup state of the selected shift register instance.
See Also

Copyright © 2008, Xilinx® Inc. All rights reserved.