## Generated SDC file "constraints.sdc" ## Copyright (C) 1991-2011 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. ## VENDOR "Altera" ## PROGRAM "Quartus II" ## VERSION "Version 11.1 Build 216 11/23/2011 Service Pack 1 SJ Web Edition" ## DATE "Fri Jul 06 23:05:47 2012" ## ## DEVICE "EP3C25E144C8" ## #************************************************************** # Time Information #************************************************************** set_time_format -unit ns -decimal_places 3 #************************************************************** # Create Clock #************************************************************** create_clock -name {clk_27} -period 37.037 -waveform { 0.000 18.500 } [get_ports {CLOCK_27[0]}] #************************************************************** # Create Generated Clock #************************************************************** derive_pll_clocks create_generated_clock -name sdclk_pin -source [get_pins {clock|altpll_component|auto_generated|pll1|clk[2]}] [get_ports {SDRAM_CLK}] #************************************************************** # Set Clock Latency #************************************************************** #************************************************************** # Set Clock Uncertainty #************************************************************** derive_clock_uncertainty; #************************************************************** # Set Input Delay #************************************************************** set_input_delay -clock sdclk_pin -max 6.4 [get_ports SDRAM_DQ*] set_input_delay -clock sdclk_pin -min 3.2 [get_ports SDRAM_DQ*] #************************************************************** # Set Output Delay #************************************************************** set_output_delay -clock sdclk_pin -max 1.5 [get_ports SDRAM_*] set_output_delay -clock sdclk_pin -min -0.8 [get_ports SDRAM_*] #************************************************************** # Set Clock Groups #************************************************************** #************************************************************** # Set False Path #************************************************************** #************************************************************** # Set Multicycle Path #************************************************************** set_multicycle_path -from [get_clocks {sdclk_pin}] -to [get_clocks {clock|altpll_component|auto_generated|pll1|clk[2]}] -setup -end 2 #************************************************************** # Set Maximum Delay #************************************************************** #************************************************************** # Set Minimum Delay #************************************************************** #************************************************************** # Set Input Transition #**************************************************************