# from LED[0] to LED[3] (from D5 to D8 on the PCB)
NET "led[0]"  LOC = P46 | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 12;
NET "led[1]"  LOC = P47 | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 12;
NET "led[2]"  LOC = P48 | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 12;
NET "led[3]"  LOC = P49 | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 12;

# LED[7] (D1 on the PCB) as q output
NET "q"  LOC = P55 | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 12;

#12MHz crystal oscillator as clock
NET "clk"   LOC = P129  | IOSTANDARD = LVCMOS33 | PERIOD = 12MHz;

#din - SW1 button
NET "din"	LOC = P80  | PULLUP  | IOSTANDARD = LVCMOS33 | SLEW = SLOW;