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-rw-r--r--target/w3d_de1soc/timing.sdc3
1 files changed, 3 insertions, 0 deletions
diff --git a/target/w3d_de1soc/timing.sdc b/target/w3d_de1soc/timing.sdc
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index 0000000..66d23f5
--- /dev/null
+++ b/target/w3d_de1soc/timing.sdc
@@ -0,0 +1,3 @@
+create_clock -period 20 -name clk_clk [get_ports clk_clk]
+derive_pll_clocks
+derive_clock_uncertainty