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 ##
 ## aurora_64b66b_0_ooc.xdc 
 ## This xdc is used in Out of Context mode.
 ##
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# This constraints file contains default clock frequencies to be used during out-of-context flows such as
# OOC Synthesis and Hierarchical Designs. For best results the frequencies should be modified
# to match the target frequencies. 
# This constraints file is not used in normal top-down synthesis (the default flow of Vivado)
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   # Reference clock contraint for GTX
   create_clock -period 8.000	 [get_ports refclk1_in]
 

 

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    ### User Clock Contraint
    ## create_clock -name user_clk_out -period 12.8 [get_ports user_clk_out] 

	### SYNC Clock Constraint
    ## create_clock -name sync_clk_out -period 6.4 [get_ports sync_clk_out] 


	create_clock -period 20.000	 [get_ports init_clk]
 
	
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