?? top_constraints.ucf
字號:
TIMESPEC "TS_P2P" = FROM "PADS" TO "PADS" 20 ns;
NET "ipad_dll_clk_in" TNM_NET = "ipad_dll_clk_in";
TIMESPEC "TS_ipad_dll_clk_in" = PERIOD "ipad_dll_clk_in" 20 ns HIGH 50 %;
OFFSET = IN 5 ns BEFORE "ipad_dll_clk_in";
OFFSET = OUT 5 ns AFTER "ipad_dll_clk_in";
NET "dll_rst" OFFSET = IN 5 ns BEFORE "ipad_dll_clk_in";
NET "moda_clk_pad" OFFSET = IN 5 ns BEFORE "ipad_dll_clk_in";
NET "moda_data" OFFSET = IN 5 ns BEFORE "ipad_dll_clk_in";
NET "modb_clk_pad" OFFSET = IN 5 ns BEFORE "ipad_dll_clk_in";
NET "modb_data" OFFSET = IN 5 ns BEFORE "ipad_dll_clk_in";
NET "modc_clk_pad" OFFSET = IN 5 ns BEFORE "ipad_dll_clk_in";
NET "modc_data" OFFSET = IN 5 ns BEFORE "ipad_dll_clk_in";
NET "top2a_c" OFFSET = IN 5 ns BEFORE "ipad_dll_clk_in";
NET "top2b" OFFSET = IN 5 ns BEFORE "ipad_dll_clk_in";
NET "moda_out" OFFSET = OUT 5 ns AFTER "ipad_dll_clk_in";
NET "modb_out" OFFSET = OUT 5 ns AFTER "ipad_dll_clk_in";
NET "modc_out" OFFSET = OUT 20 ns AFTER "ipad_dll_clk_in";
NET "modc_out" OFFSET = OUT 5 ns AFTER "ipad_dll_clk_in";
NET "mod_c_out" OFFSET = OUT 5 ns AFTER "ipad_dll_clk_in";
NET "obuft_out" OFFSET = OUT 5 ns AFTER "ipad_dll_clk_in";
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