NET "MCRS_PAD_I" LOC = "U3" | IOSTANDARD = LVCMOS33;
NET "MD_PAD_IO" LOC = "Y1" | IOSTANDARD = LVCMOS33;
NET "MDC_PAD_O" LOC = "U2" | IOSTANDARD = LVCMOS33;
NET "MCRS_PAD_I" LOC = "U3" | IOSTANDARD = LVCMOS33;
NET "MD_PAD_IO" LOC = "Y1" | IOSTANDARD = LVCMOS33;
NET "MDC_PAD_O" LOC = "U2" | IOSTANDARD = LVCMOS33;