stopwatch.ucf

ise9.1官方的使用手册中配套用的fpga入门代码

#INPUTS
NET "clk" IOSTANDARD = "LVCMOS33";
NET "clk" LOC = "E12";
NET "reset" IOSTANDARD = "LVTTL";
NET "reset" PULLDOWN; 
NET "strtstop" IOSTANDARD = "LVTTL";
NET "strtstop" PULLDOWN; 
NET "lap_load" IOSTANDARD = "LVTTL";
NET "lap_load" PULLDOWN; 
NET "mode" IOSTANDARD = "LVTTL";
NET "mode" PULLDOWN; #
#OUTPUTS
NET "lcd_e" IOSTANDARD = "LVTTL";
NET "lcd_e" DRIVE = 4;
NET "lcd_e" SLEW = QUIETIO;
NET "lcd_rs" IOSTANDARD = "LVTTL";
NET "lcd_rs" DRIVE = 4;
NET "lcd_rs" SLEW = QUIETIO;
NET "lcd_rw" IOSTANDARD = "LVTTL";
NET "lcd_rw" DRIVE = 4;
NET "lcd_rw" SLEW = QUIETIO;
NET "sf_d<7>" LOC = Y15 | IOSTANDARD = "LVTTL" | DRIVE = 4 | SLEW = QUIETIO;
NET "sf_d<7>" IOSTANDARD = "LVTTL";
NET "sf_d<7>" DRIVE = 4;
NET "sf_d<7>" SLEW = QUIETIO;
NET "sf_d<7>" IOSTANDARD = "LVTTL";
NET "sf_d<7>" DRIVE = 4;
NET "sf_d<7>" SLEW = QUIETIO;
NET "sf_d<7>" IOSTANDARD = "LVTTL";
NET "sf_d<7>" DRIVE = 4;
NET "sf_d<7>" SLEW = QUIETIO;
NET "sf_d<7>" IOSTANDARD = "LVTTL";
NET "sf_d<7>" DRIVE = 4;
NET "sf_d<7>" SLEW = QUIETIO;
NET "sf_d<6>" LOC = AB16 | IOSTANDARD = "LVTTL" | DRIVE = 4 | SLEW = QUIETIO;
NET "sf_d<6>" IOSTANDARD = "LVTTL";
NET "sf_d<6>" DRIVE = 4;
NET "sf_d<6>" SLEW = QUIETIO;
NET "sf_d<6>" IOSTANDARD = "LVTTL";
NET "sf_d<6>" DRIVE = 4;
NET "sf_d<6>" SLEW = QUIETIO;
NET "sf_d<6>" IOSTANDARD = "LVTTL";
NET "sf_d<6>" DRIVE = 4;
NET "sf_d<6>" SLEW = QUIETIO;
NET "sf_d<6>" IOSTANDARD = "LVTTL";
NET "sf_d<6>" DRIVE = 4;
NET "sf_d<6>" SLEW = QUIETIO;
NET "sf_d<5>" LOC = Y16 | IOSTANDARD = "LVTTL" | DRIVE = 4 | SLEW = QUIETIO;
NET "sf_d<5>" IOSTANDARD = "LVTTL";
NET "sf_d<5>" DRIVE = 4;
NET "sf_d<5>" SLEW = QUIETIO;
NET "sf_d<5>" IOSTANDARD = "LVTTL";
NET "sf_d<5>" DRIVE = 4;
NET "sf_d<5>" SLEW = QUIETIO;
NET "sf_d<5>" IOSTANDARD = "LVTTL";
NET "sf_d<5>" DRIVE = 4;
NET "sf_d<5>" SLEW = QUIETIO;
NET "sf_d<5>" IOSTANDARD = "LVTTL";
NET "sf_d<5>" DRIVE = 4;
NET "sf_d<5>" SLEW = QUIETIO;
NET "sf_d<4>" LOC = AA12 | IOSTANDARD = "LVTTL" | DRIVE = 4 | SLEW = QUIETIO;
NET "sf_d<4>" IOSTANDARD = "LVTTL";
NET "sf_d<4>" DRIVE = 4;
NET "sf_d<4>" SLEW = QUIETIO;
NET "sf_d<4>" IOSTANDARD = "LVTTL";
NET "sf_d<4>" DRIVE = 4;
NET "sf_d<4>" SLEW = QUIETIO;
NET "sf_d<4>" IOSTANDARD = "LVTTL";
NET "sf_d<4>" DRIVE = 4;
NET "sf_d<4>" SLEW = QUIETIO;
NET "sf_d<4>" IOSTANDARD = "LVTTL";
NET "sf_d<4>" DRIVE = 4;
NET "sf_d<4>" SLEW = QUIETIO;
NET "sf_d<3>" LOC = AB12 | IOSTANDARD = "LVTTL" | DRIVE = 4 | SLEW = QUIETIO;
NET "sf_d<3>" IOSTANDARD = "LVTTL";
NET "sf_d<3>" DRIVE = 4;
NET "sf_d<3>" SLEW = QUIETIO;
NET "sf_d<3>" IOSTANDARD = "LVTTL";
NET "sf_d<3>" DRIVE = 4;
NET "sf_d<3>" SLEW = QUIETIO;
NET "sf_d<3>" IOSTANDARD = "LVTTL";
NET "sf_d<3>" DRIVE = 4;
NET "sf_d<3>" SLEW = QUIETIO;
NET "sf_d<3>" IOSTANDARD = "LVTTL";
NET "sf_d<3>" DRIVE = 4;
NET "sf_d<3>" SLEW = QUIETIO;
NET "sf_d<2>" LOC = AB17 | IOSTANDARD = "LVTTL" | DRIVE = 4 | SLEW = QUIETIO;
NET "sf_d<2>" IOSTANDARD = "LVTTL";
NET "sf_d<2>" DRIVE = 4;
NET "sf_d<2>" SLEW = QUIETIO;
NET "sf_d<2>" IOSTANDARD = "LVTTL";
NET "sf_d<2>" DRIVE = 4;
NET "sf_d<2>" SLEW = QUIETIO;
NET "sf_d<2>" IOSTANDARD = "LVTTL";
NET "sf_d<2>" DRIVE = 4;
NET "sf_d<2>" SLEW = QUIETIO;
NET "sf_d<2>" IOSTANDARD = "LVTTL";
NET "sf_d<2>" DRIVE = 4;
NET "sf_d<2>" SLEW = QUIETIO;
NET "sf_d<1>" LOC = AB18 | IOSTANDARD = "LVTTL" | DRIVE = 4 | SLEW = QUIETIO;
NET "sf_d<1>" IOSTANDARD = "LVTTL";
NET "sf_d<1>" DRIVE = 4;
NET "sf_d<1>" SLEW = QUIETIO;
NET "sf_d<1>" IOSTANDARD = "LVTTL";
NET "sf_d<1>" DRIVE = 4;
NET "sf_d<1>" SLEW = QUIETIO;
NET "sf_d<1>" IOSTANDARD = "LVTTL";
NET "sf_d<1>" DRIVE = 4;
NET "sf_d<1>" SLEW = QUIETIO;
NET "sf_d<1>" IOSTANDARD = "LVTTL";
NET "sf_d<1>" DRIVE = 4;
NET "sf_d<1>" SLEW = QUIETIO;
NET "sf_d<0>" LOC = Y13 | IOSTANDARD = "LVTTL" | DRIVE = 4 | SLEW = QUIETIO;
NET "sf_d<0>" IOSTANDARD = "LVTTL";
NET "sf_d<0>" DRIVE = 4;
NET "sf_d<0>" SLEW = QUIETIO;
NET "sf_d<0>" IOSTANDARD = "LVTTL";
NET "sf_d<0>" DRIVE = 4;
NET "sf_d<0>" SLEW = QUIETIO;
NET "sf_d<0>" IOSTANDARD = "LVTTL";
NET "sf_d<0>" DRIVE = 4;
NET "sf_d<0>" SLEW = QUIETIO;
NET "sf_d<0>" IOSTANDARD = "LVTTL";
NET "sf_d<0>" DRIVE = 4;
NET "sf_d<0>" SLEW = QUIETIO;
#NET "clk" TNM_NET = clk;
#TIMESPEC TS_clk = PERIOD "clk" 7.5 ns INPUT_JITTER 60 ps;
NET "clk" PERIOD = 12 ns INPUT_JITTER 120 ps;
SYSTEM_JITTER = 70 ps;
INST "sf_d<0>" TNM = display_grp;
INST "sf_d<1>" TNM = display_grp;
INST "sf_d<2>" TNM = display_grp;
INST "sf_d<3>" TNM = display_grp;
INST "sf_d<4>" TNM = display_grp;
INST "sf_d<5>" TNM = display_grp;
INST "sf_d<6>" TNM = display_grp;
INST "sf_d<7>" TNM = display_grp;
TIMEGRP "display_grp" OFFSET = OUT 5 ns AFTER "clk";
OFFSET = IN 6 ns BEFORE "clk";
OFFSET = OUT 38 ns AFTER "clk";
NET "lcd_e" LOC = AB4;
NET "lcd_rs" LOC = Y14;
NET "lcd_rw" LOC = W13;
NET "lap_load" LOC = T16;
NET "mode" LOC = T14;
NET "strtstop" LOC = T15;
NET "reset" LOC = U15;
TIMEGRP "display_grp" OFFSET = OUT 32 ns AFTER "clk";
NET "clk" TNM_NET = clk;