#NET "ROT_B" LOC = "G18" | IOSTANDARD = LVTTL | PULLUP ;
#NET "ROT_CENTER" LOC = "V16" | IOSTANDARD = LVTTL | PULLDOWN ;
# ==== RS-232 Serial Ports (RS232) ====
-#NET "rxd" LOC = "E8" | IOSTANDARD = LVTTL ;
+NET "rxd" LOC = "E8" | IOSTANDARD = LVTTL ;
NET "txd" LOC = "F8" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = SLOW ;
#NET "RS232_DTE_RXD" LOC = "U8" | IOSTANDARD = LVTTL ;
#NET "RS232_DTE_TXD" LOC = "M13" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = SLOW ;