NET "osc" LOC = P50 | IOSTANDARD = "LVCMOS33";
NET "Thermistor" LOC = P45 | IOSTANDARD = "LVCMOS33";
NET "RXD" LOC = P66 | IOSTANDARD = "LVCMOS33";
NET "TXD" LOC = P67 | IOSTANDARD = "LVCMOS33";

NET "osc" TNM_NET = "tnm_osc";
TIMESPEC "TS_osc" = PERIOD "tnm_osc" 20ns HIGH 50%;