# Synplicity, Inc. constraint file # /home/jiri/ibm/vhdl/grlib/boards/gr-xc3s-1500/default.sdc # Written on Thu May 11 15:07:16 2006 # by Synplify Pro, 7.1.1 Scope Editor # # Clocks # define_clock -name {n:clkm} -freq 50.000 -route 5.0 -clockgroup ahb_clkgroup define_clock -name {rxclki} -freq 100.000 -route 2.0 -clockgroup rxclki_clkgroup define_clock -name {txclk} -freq 100.000 -route 2.0 -clockgroup txclk_clkgroup define_clock -name {clk125} -freq 125.000 -route 2.0 -clockgroup eth_clkgroup define_clock -name {usb_clkout} -freq 60.000 -route 4.0 -clockgroup usb_clkgroup define_clock -name {n:clk50} -freq 50.000 -route 4.0 -clockgroup vga_clkgroup define_clock -name {clk3} -freq 25.000 -route 2.0 -clockgroup eth_clkgroup define_clock -name {n:video_clk} -freq 50.000 -route 2.0 -clockgroup video_clkgroup # # Inputs/Outputs # define_clock_delay -rise {clk3} -rise {vga_clkgen|clkgen65.clk0B_derived_clock} -false define_clock_delay -rise {vga_clkgen|clkgen65.clk0B_derived_clock} -rise {clk3} -false define_clock_delay -rise {leon3mp|clkgen0.xc3s_v.clk0B_derived_clock} -rise {leon3mp|clk50} -false define_clock_delay -rise {leon3mp|clk50} -rise {leon3mp|clkgen0.xc3s_v.clk0B_derived_clock} -false define_output_delay -disable -default 10.00 -improve 0.00 -route 0.00 -ref clk:r define_input_delay -disable -default 10.00 -improve 0.00 -route 0.00 -ref clk:r define_output_delay 8.00 -improve 0.00 -route 0.00 -ref {usb_clkout:r} define_input_delay 8.00 -improve 0.00 -route 0.00 -ref {usb_clkout:r} # # Registers # # # Multicycle Path # # # False Path # # # Attributes # define_global_attribute syn_useioff {1} # # Other Constraints #