{
    "GTPE2_CHANNEL": {
        "IO_LOC_PAIRS": "rx_p:G1,rx_n:G2,tx_p:G3,tx_n:G4"
    },
    "IBUFDS_GTE2": {
        "IO_LOC_PAIRS": "ibufds_gte2_i:G5,ibufds_gte2_ib:G6"
    },
    "OBUFTDS_2": {
        "IOSTANDARD": "DIFF_SSTL135",
        "IO_LOC_PAIRS": "signal_p:N2,signal_n:N1",
        "SLEW": "FAST"
    },
    "OBUF_6": {
        "DRIVE": "12",
        "IOSTANDARD": "LVCMOS33",
        "IO_LOC_PAIRS": "led[0]:D10",
        "SLEW": "SLOW"
    },
    "OBUF_7": {
        "IN_TERM": "UNTUNED_SPLIT_40",
        "IOSTANDARD": "SSTL135",
        "IO_LOC_PAIRS": "led[1]:A9",
        "SLEW": "FAST"
    },
    "OBUF_OUT": {
        "IN_TERM": "UNTUNED_SPLIT_50",
        "IOSTANDARD": "LVCMOS33",
        "IO_LOC_PAIRS": "out_a:E3",
        "SLEW": "FAST"
    },
    "bottom_inst.OBUF_10": {
        "IOSTANDARD": "LVCMOS18",
        "IO_LOC_PAIRS": "out_b[0]:C2",
        "SLEW": "SLOW"
    },
    "bottom_inst.OBUF_11": {
        "DRIVE": "4",
        "IOSTANDARD": "LVCMOS25",
        "IO_LOC_PAIRS": "out_b[1]:R2",
        "SLEW": "FAST"
    },
    "bottom_inst.OBUF_9": {
        "IOSTANDARD": "DIFF_SSTL135",
        "IO_LOC_PAIRS": "led[2]:M6",
        "SLEW": "FAST"
    },
    "bottom_intermediate_inst.OBUF_8": {
        "DRIVE": "16",
        "IOSTANDARD": "SSTL135",
        "IO_LOC_PAIRS": "led[3]:N4",
        "SLEW": "SLOW"
    }
}