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util_clkdiv: fix for multiple instances 

Vivado propagates and auto derives the clocks, however if multiple
instances of this components are used the names of the propagated clock
change while the constraint file has fixed name which will match only
the clocks from the first instance letting the second instance of the
clock div without exception.
main
Laszlo Nagy 2019-06-26 16:34:51 +01:00 committed by Laszlo Nagy
parent fd6a395347
commit acf6d618dd
1 changed files with 4 additions and 1 deletions
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5
library/util_clkdiv/util_clkdiv_constr.xdc
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@ -1,2 +1,5 @@
set_clock_groups -group [get_clocks clk_div_sel_0_s] -group [get_clocks clk_div_sel_1_s] -logically_exclusive
set_clock_groups \
-group [get_clocks -of_objects [get_pins clk_divide_sel_0/O]] \
-group [get_clocks -of_objects [get_pins clk_divide_sel_1/O]] \
-logically_exclusive
set_false_path -to [get_pins i_div_clk_gbuf/S*]