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labor_3/res/ampel/quartus/ampel.sdc

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+#************************************************************
+# THIS IS A WIZARD-GENERATED FILE.                           
+#
+# Version 12.1 Build 243 01/31/2013 Service Pack 1 SJ Web Edition
+#
+#************************************************************
+
+# Copyright (C) 1991-2012 Altera Corporation
+# Your use of Altera Corporation's design tools, logic functions 
+# and other software and tools, and its AMPP partner logic 
+# functions, and any output files from any of the foregoing 
+# (including device programming or simulation files), and any 
+# associated documentation or information are expressly subject 
+# to the terms and conditions of the Altera Program License 
+# Subscription Agreement, Altera MegaCore Function License 
+# Agreement, or other applicable license agreement, including, 
+# without limitation, that your use is for the sole purpose of 
+# programming logic devices manufactured by Altera and sold by 
+# Altera or its authorized distributors.  Please refer to the 
+# applicable agreement for further details.
+
+
+
+# Clock constraints
+
+create_clock -name "CLK50" -period 20.000ns [get_ports {CLOCK_50}]
+
+
+# Automatically constrain PLL and other generated clocks
+derive_pll_clocks -create_base_clocks
+
+# Automatically calculate clock uncertainty to jitter and other effects.
+#derive_clock_uncertainty
+# Not supported for family Cyclone II
+
+# tsu/th constraints
+
+# tco constraints
+
+# tpd constraints
+