{
  "id": "mcp23017-expander",
  "name": "MCP23017 16-bit I/O expander",
  "category": "output",
  "pins": [
    {
      "name": "VCC",
      "role": "power"
    },
    {
      "name": "GND",
      "role": "ground"
    },
    {
      "name": "SCL",
      "role": "i2c_scl"
    },
    {
      "name": "SDA",
      "role": "i2c_sda"
    },
    {
      "name": "RESET",
      "role": "digital_in",
      "needsOutput": true,
      "notes": "Must be HIGH to run: tie to VCC"
    },
    {
      "name": "INTA",
      "role": "int"
    },
    {
      "name": "INTB",
      "role": "int"
    },
    {
      "name": "A0",
      "role": "passive",
      "notes": "Address bit 0"
    },
    {
      "name": "A1",
      "role": "passive",
      "notes": "Address bit 1"
    },
    {
      "name": "A2",
      "role": "passive",
      "notes": "Address bit 2. Expander I/O pins GPA0-7 and GPB0-7 go to your LEDs or buttons"
    }
  ],
  "bus": "i2c",
  "addresses": [
    "0x20",
    "0x21",
    "0x22",
    "0x23",
    "0x24",
    "0x25",
    "0x26",
    "0x27"
  ],
  "voltage": "3.3-5",
  "model": {
    "shape": "module",
    "size": [
      40,
      20,
      5
    ],
    "color": "#1F4FA8"
  },
  "keywords": [
    "mcp23017",
    "io expander",
    "i2c expander",
    "gpio",
    "espansore"
  ],
  "sources": [
    {
      "title": "Microchip MCP23017 datasheet",
      "section": "Hardware address pins A0-A2: 0x20 to 0x27"
    },
    {
      "title": "Microchip MCP23017 datasheet",
      "section": "RESET is active LOW"
    }
  ]
}