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AR# 34272

9.x/10.1/11.x BitGen - Where can I set the state of unused I/O for FPGAs?

Description

Where can I set the state of unused I/O for FPGAs?

Solution

  • You can set the state of unused I/O through Bitgen Properties in Project Navigator.
    • Right-click on "Generate Programming File" and select "Process Properties..." -> Configuration Options -> Unused IOB Pins. The default value is pull-down.

  • You can use the following BitGen option to set the state of unused I/O:
    • bitgen -g Unusedpin:Pullup
AR# 34272
Date Created 02/02/2010
Last Updated 12/15/2012
Status Active
Type General Article
Tools
  • ISE - 10.1
  • ISE Design Suite - 11.1
  • ISE Design Suite - 11.2
  • More
  • ISE Design Suite - 11.3
  • ISE Design Suite - 11.4
  • ISE - 9.1i
  • ISE - 9.1i sp1
  • ISE - 9.1i sp2
  • ISE - 9.1i sp3
  • ISE - 9.2i
  • ISE - 9.2i sp1
  • ISE - 9.2i sp2
  • ISE - 9.2i sp3
  • ISE - 9.2i sp4
  • Less