{
  "id": "si4703-fm",
  "name": "Si4703 FM radio receiver breakout",
  "category": "output",
  "pins": [
    {
      "name": "GND",
      "role": "ground"
    },
    {
      "name": "3.3V",
      "role": "power",
      "notes": "3.3 V only"
    },
    {
      "name": "SDIO",
      "role": "i2c_sda",
      "notes": "I2C data. Must be LOW when RST goes HIGH to choose I2C mode"
    },
    {
      "name": "SCLK",
      "role": "i2c_scl"
    },
    {
      "name": "SEN",
      "role": "passive",
      "notes": "Tie HIGH for I2C mode"
    },
    {
      "name": "RST",
      "role": "digital_in",
      "needsOutput": true,
      "notes": "Reset, active LOW. Needed to start I2C mode"
    },
    {
      "name": "GPIO1",
      "role": "passive",
      "notes": "Optional"
    },
    {
      "name": "GPIO2",
      "role": "int",
      "notes": "Seek/tune complete interrupt, optional"
    }
  ],
  "bus": "i2c",
  "addresses": [
    "0x10"
  ],
  "voltage": "3.3",
  "model": {
    "shape": "breakout",
    "size": [
      25,
      20,
      6
    ],
    "color": "#B22222"
  },
  "keywords": [
    "si4703",
    "fm radio",
    "fm",
    "rds",
    "radio fm",
    "ricevitore"
  ],
  "sources": [
    {
      "title": "Silicon Labs Si4702/03-C19 datasheet",
      "section": "Bus mode selection with RST, SEN and SDIO; 2-wire address 0010000 (0x10)"
    },
    {
      "title": "Silicon Labs AN230 Si4700/01/02/03 programming guide",
      "section": "2-wire reads start at register 0x0A"
    },
    {
      "title": "SparkFun Si4703 FM tuner breakout",
      "section": "Header order differs between boards: check the silkscreen"
    }
  ]
}