{
  "id": "pcf8563-rtc",
  "name": "PCF8563 real-time clock module",
  "category": "sensor",
  "measures": [
    "time"
  ],
  "pins": [
    {
      "name": "VCC",
      "role": "power"
    },
    {
      "name": "GND",
      "role": "ground"
    },
    {
      "name": "SDA",
      "role": "i2c_sda"
    },
    {
      "name": "SCL",
      "role": "i2c_scl"
    },
    {
      "name": "INT",
      "role": "int",
      "notes": "Alarm / timer output, open drain, optional"
    },
    {
      "name": "CLKOUT",
      "role": "passive",
      "notes": "Clock output (32.768 kHz), not needed"
    }
  ],
  "bus": "i2c",
  "addresses": [
    "0x51"
  ],
  "voltage": "3.3-5",
  "model": {
    "shape": "module",
    "size": [
      25,
      20,
      10
    ],
    "color": "#1F4FA8"
  },
  "keywords": [
    "pcf8563",
    "rtc",
    "real time clock",
    "clock",
    "orologio",
    "ora"
  ],
  "sources": [
    {
      "title": "NXP PCF8563 datasheet",
      "section": "Slave address A2h/A3h (7-bit 0x51); INT open drain; supply 1.0 to 5.5 V"
    },
    {
      "title": "Common PCF8563 modules",
      "section": "Header order varies between boards: check the silkscreen"
    }
  ]
}