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# Core Period Constraint. This constraint can be modified, and is
# valid as long as it is met after place and route.
create_clock -name "TS_CLKA" -period 20.0 [ get_ports clka ]
    set_property HD.CLK_SRC BUFGCTRL_X0Y0 [ get_ports clka ]
  
create_clock -name "TS_CLKB" -period 20.0 [ get_ports clkb ]
    set_property HD.CLK_SRC BUFGCTRL_X0Y1 [ get_ports clkb ]
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