AR# 4978

14.x Constraints - What resources should be constrained in the User Constraint File (UCF)?

What resources should be constrained in the UCF?

The following resources must be constrained in the user constraint file (UCF):

For additional information, see the Xilinx Support Web site:
http://www.xilinx.com/support

For more details on timing constraints, please see the Timing Constraints User Guide:
http://www.xilinx.com/support/documentation/sw_manuals/xilinx14_1/ug612.pdf

Was this Answer Record helpful?

AR# 4978
Date	12/15/2012
Status	Active
Type	General Article
Devices	4000/E/XL/XV 4000E/EX/XL QPro/R 9500 9500XL 9500XL IQ 9500XL XA 9500XV CoolRunner XPLA3 CoolRunner-II CoolRunner-II XA Spartan/XL Spartan-3 Spartan-3 XA Spartan-3A Spartan-3A DSP Spartan-3AN Spartan-3E Spartan-6 LX Spartan-6 LXT Spartan-II Spartan-IIE Spartan-IIE XA Spartan-XL IQ Virtex Virtex QPro/R Virtex-4 FX Virtex-4 LX Virtex-4 QPro/R Virtex-4 SX Virtex-5 FXT Virtex-5 LX Virtex-5 LXT Virtex-5 SXT Virtex-5 TXT Virtex-5Q Virtex-6 CXT Virtex-6 HXT Virtex-6 LX Virtex-6 LXT Virtex-6 SXT Virtex-E Virtex-E QPro Virtex-EM Virtex-II Virtex-II Pro Virtex-II Pro X Virtex-II QPro/R More Less
Tools	ISE - 10.1 ISE Design Suite - 11.1 ISE Design Suite - 11.2 ISE Design Suite - 11.3 ISE Design Suite - 11.4 ISE Design Suite - 11.5 ISE Design Suite - 12.1 ISE - 8.1i ISE - 8.1i sp1 ISE - 8.1i sp2 ISE - 8.1i sp3 ISE - 8.2i ISE - 8.2i sp1 ISE - 8.2i sp2 ISE - 8.2i sp3 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 ISE - Legacy ISE Design Suite - 12.2 ISE Design Suite - 12.3 ISE Design Suite - 12.4 ISE Design Suite - 13 ISE Design Suite - 13.1 ISE Design Suite - 13.2 ISE Design Suite - 13.3 ISE Design Suite - 13.4 ISE Design Suite - 14.1 More Less