{
    "target": "kasli",
    "min_artiq_version": "6.0",
    "variant": "ubirmingham3master",
    "hw_rev": "v2.0",
    "base": "master",
    "ext_ref_frequency": 100e6,
    "core_addr": "192.168.1.75",
    "peripherals": [
        {
            "type": "grabber",
            "ports": [0, 1, 2]
        },
        {
            "type": "dio",
            "ports": [3],
            "bank_direction_low": "input",
            "bank_direction_high": "output"
        },
        {
            "type": "dio",
            "ports": [4],
            "bank_direction_low": "output",
            "bank_direction_high": "output"
        },
        {
            "type": "dio",
            "ports": [5],
            "bank_direction_low": "output",
            "bank_direction_high": "output"
        },
        {
            "type": "dio",
            "ports": [6],
            "bank_direction_low": "output",
            "bank_direction_high": "output"
        },
        {
            "type": "urukul",
            "dds": "ad9910",
            "ports": [8, 9],
            "clk_sel": 1,
            "pll_n": 40,
            "refclk": 100e6
        },
        {
            "type": "urukul",
            "dds": "ad9910",
            "ports": [10, 11],
            "clk_sel": 1,
            "pll_n": 40,
            "refclk": 100e6
        }
    ]
}