PCA9555

@@ -1,8 +1,11 @@ {+  "schema_version": 1,+  "type": "component",   "slug": "pca9555",+  "title": "PCA9555",+  "brief": "NXP 16-bit I2C I/O expander, SO-24. Two 8-bit ports, interrupt output, polarity inversion, 3 address pins. Datasheet-verified.",   "version": "0.1.0",-  "type": "component",-  "description": "NXP 16-bit I2C I/O expander, SO-24. Two 8-bit ports, interrupt output, polarity inversion, 3 address pins. Datasheet-verified.",+  "license": "CC-BY-SA-4.0",   "tags": [     "component",     "interface",@@ -12,6 +15,217 @@     "so-24",     "nxp"   ],+  "component": {+    "mpn": "PCA9555",+    "manufacturer": "NXP Semiconductors",+    "package": "SO-24",+    "pin_count": 24,+    "category": "Interface IC",+    "subcategory": "I2C 16-bit I/O expander",+    "datasheet": "https://www.nxp.com/docs/en/data-sheet/PCA9555.pdf",+    "parts": {+      "symbol": "pca9555.kicad_sym",+      "footprint": "pca9555.kicad_mod",+      "model_3d": "pca9555.glb"+    },+    "distributor_links": {},+    "pins": [+      {+        "number": "1",+        "name": "INT",+        "type": "output",+        "description": "Active-LOW open-drain interrupt output. Asserts when any input port pin state differs from its input port register value; requires an external pull-up to VDD."+      },+      {+        "number": "2",+        "name": "A1",+        "type": "input",+        "description": "I2C-bus slave address input bit 1. Tie to VDD or VSS to set the programmable portion of the 7-bit slave address (0100 A2 A1 A0)."+      },+      {+        "number": "3",+        "name": "A2",+        "type": "input",+        "description": "I2C-bus slave address input bit 2. Tie to VDD or VSS to set the programmable portion of the 7-bit slave address."+      },+      {+        "number": "4",+        "name": "IO0_0",+        "type": "bidirectional",+        "description": "Port 0 bit 0 general-purpose I/O. Configurable per bit as input (default, high-Z with weak 100 k\u03a9 pull-up to VDD) or push-pull output. 5 V-tolerant input."+      },+      {+        "number": "5",+        "name": "IO0_1",+        "type": "bidirectional",+        "description": "Port 0 bit 1 general-purpose I/O. Configurable per bit as input (default) or push-pull output. 5 V-tolerant input."+      },+      {+        "number": "6",+        "name": "IO0_2",+        "type": "bidirectional",+        "description": "Port 0 bit 2 general-purpose I/O. Configurable per bit as input (default) or push-pull output. 5 V-tolerant input."+      },+      {+        "number": "7",+        "name": "IO0_3",+        "type": "bidirectional",+        "description": "Port 0 bit 3 general-purpose I/O. Configurable per bit as input (default) or push-pull output. 5 V-tolerant input."+      },+      {+        "number": "8",+        "name": "IO0_4",+        "type": "bidirectional",+        "description": "Port 0 bit 4 general-purpose I/O. Configurable per bit as input (default) or push-pull output. 5 V-tolerant input."+      },+      {+        "number": "9",+        "name": "IO0_5",+        "type": "bidirectional",+        "description": "Port 0 bit 5 general-purpose I/O. Configurable per bit as input (default) or push-pull output. 5 V-tolerant input."+      },+      {+        "number": "10",+        "name": "IO0_6",+        "type": "bidirectional",+        "description": "Port 0 bit 6 general-purpose I/O. Configurable per bit as input (default) or push-pull output. 5 V-tolerant input."+      },+      {+        "number": "11",+        "name": "IO0_7",+        "type": "bidirectional",+        "description": "Port 0 bit 7 general-purpose I/O. Configurable per bit as input (default) or push-pull output. 5 V-tolerant input."+      },+      {+        "number": "12",+        "name": "VSS",+        "type": "power_in",+        "description": "Supply ground (0 V) reference for the device."+      },+      {+        "number": "13",+        "name": "IO1_0",+        "type": "bidirectional",+        "description": "Port 1 bit 0 general-purpose I/O. Configurable per bit as input (default) or push-pull output. 5 V-tolerant input."+      },+      {+        "number": "14",+        "name": "IO1_1",+        "type": "bidirectional",+        "description": "Port 1 bit 1 general-purpose I/O. Configurable per bit as input (default) or push-pull output. 5 V-tolerant input."+      },+      {+        "number": "15",+        "name": "IO1_2",+        "type": "bidirectional",+        "description": "Port 1 bit 2 general-purpose I/O. Configurable per bit as input (default) or push-pull output. 5 V-tolerant input."+      },+      {+        "number": "16",+        "name": "IO1_3",+        "type": "bidirectional",+        "description": "Port 1 bit 3 general-purpose I/O. Configurable per bit as input (default) or push-pull output. 5 V-tolerant input."+      },+      {+        "number": "17",+        "name": "IO1_4",+        "type": "bidirectional",+        "description": "Port 1 bit 4 general-purpose I/O. Configurable per bit as input (default) or push-pull output. 5 V-tolerant input."+      },+      {+        "number": "18",+        "name": "IO1_5",+        "type": "bidirectional",+        "description": "Port 1 bit 5 general-purpose I/O. Configurable per bit as input (default) or push-pull output. 5 V-tolerant input."+      },+      {+        "number": "19",+        "name": "IO1_6",+        "type": "bidirectional",+        "description": "Port 1 bit 6 general-purpose I/O. Configurable per bit as input (default) or push-pull output. 5 V-tolerant input."+      },+      {+        "number": "20",+        "name": "IO1_7",+        "type": "bidirectional",+        "description": "Port 1 bit 7 general-purpose I/O. Configurable per bit as input (default) or push-pull output. 5 V-tolerant input."+      },+      {+        "number": "21",+        "name": "A0",+        "type": "input",+        "description": "I2C-bus slave address input bit 0. Tie to VDD or VSS to set the programmable portion of the 7-bit slave address (0100 A2 A1 A0)."+      },+      {+        "number": "22",+        "name": "SCL",+        "type": "input",+        "description": "I2C-bus serial clock input line. 0 Hz to 400 kHz clock frequency; requires external pull-up to VDD."+      },+      {+        "number": "23",+        "name": "SDA",+        "type": "bidirectional",+        "description": "I2C-bus serial data line (open-drain). Requires external pull-up to VDD."+      },+      {+        "number": "24",+        "name": "VDD",+        "type": "power_in",+        "description": "Positive supply voltage input. Operating range 2.3 V to 5.5 V; bypass locally with a 100 nF ceramic capacitor to VSS."+      }+    ],+    "provenance": {+      "extractor": "ds2sf",+      "datasheet": {+        "url": "https://www.nxp.com/docs/en/data-sheet/PCA9555.pdf",+        "pages": 34,+        "sha256": "9f4f9c0ce4c461d7",+        "source_tier": "mfr"+      },+      "cad": "KiCad official (CC-BY-SA 4.0)",+      "pins": {+        "total": 24,+        "described": 24,+        "cites_pages": true,+        "refuses_to_fabricate": true+      }+    },+    "viewers": {+      "symbol": "viewers/symbol.html",+      "footprint": "viewers/footprint.html"+    }+  },+  "metadata": {+    "specs": {+      "Type": "I2C 16-bit I/O expander",+      "I/O lines": "16 (ports IO0, IO1)",+      "Bus": "I2C up to 400 kHz",+      "Per-pin": "direction + polarity inversion",+      "Interrupt": "open-drain INT on change",+      "Address pins": "A0-A2 (8 per bus)",+      "Supply voltage": "1.65-5.5 V",+      "Package": "SO-24"+    }+  },+  "sections": [+    "hero",+    "viewers",+    "readme",+    "breadcrumbs",+    "info"+  ],+  "discovery_triggers": [+    "pca9555",+    "i2c io expander 16",+    "gpio expander nxp",+    "port expander interrupt"+  ],+  "discovery_pitch": "PCA9555 16-bit I2C I/O expander (SO-24) with datasheet-verified pinout, KiCad symbol/footprint/3D, and full provenance.",+  "author": {+    "name": "Ray",+    "email": "[email protected]"+  },   "dependencies": {},   "hero": {     "type": "image",@@ -27,10 +241,5 @@     "docs/pca9555-datasheet.pdf",     "viewers/symbol.html",     "viewers/footprint.html"-  ],-  "visibility": "public",-  "author": {-    "name": "Ray",-    "email": "[email protected]"-  }+  ] }\ No newline at end of file