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CAD + datasheet + .step

Ray ·d4d8143ed3 ·2mo ago ·parent b457263
1 file changed +217−8
page.json+217−8
@@ -1,8 +1,11 @@ {+  "schema_version": 1,+  "type": "component",   "slug": "pcf8575",+  "title": "PCF8575 16-Bit I2C I/O Expander",+  "brief": "16-bit quasi-bidirectional I/O expander over I2C with an interrupt output.",   "version": "0.1.0",-  "type": "component",-  "description": "16-bit quasi-bidirectional I/O expander over I2C with an interrupt output.",+  "license": "CC-BY-SA-4.0",   "tags": [     "gpio-expander",     "i2c",@@ -12,6 +15,217 @@     "ti",     "ssop-24"   ],+  "component": {+    "mpn": "PCF8575",+    "manufacturer": "Texas Instruments",+    "package": "SSOP-24",+    "pin_count": 24,+    "category": "Interface",+    "subcategory": "I/O Expander",+    "datasheet": "https://www.ti.com/lit/ds/symlink/pcf8575.pdf",+    "parts": {+      "symbol": "pcf8575.kicad_sym",+      "footprint": "pcf8575.kicad_mod",+      "model_3d": "pcf8575.glb",+      "model_3d_step": "pcf8575.step"+    },+    "distributor_links": {},+    "pins": [+      {+        "number": "1",+        "name": "INT",+        "type": "output",+        "description": "Interrupt output (active-low, open-drain). Connect to VCC through a pull-up resistor. Asserts when any P-port input changes state."+      },+      {+        "number": "2",+        "name": "A1",+        "type": "input",+        "description": "I2C hardware address input 1. Connect directly to VCC or ground; pull-up resistors are not needed. Combined with A0/A2 to give up to eight unique bus addresses."+      },+      {+        "number": "3",+        "name": "A2",+        "type": "input",+        "description": "I2C hardware address input 2. Connect directly to VCC or ground; pull-up resistors are not needed."+      },+      {+        "number": "4",+        "name": "P00",+        "type": "bidirectional",+        "description": "P-port 0, bit 0. Quasi-bidirectional I/O with push-pull design structure; latched outputs with high-current drive for LEDs. IOL up to 25 mA, IOH transient pullup ~-10 mA."+      },+      {+        "number": "5",+        "name": "P01",+        "type": "bidirectional",+        "description": "P-port 0, bit 1. Quasi-bidirectional I/O with push-pull design structure."+      },+      {+        "number": "6",+        "name": "P02",+        "type": "bidirectional",+        "description": "P-port 0, bit 2. Quasi-bidirectional I/O with push-pull design structure."+      },+      {+        "number": "7",+        "name": "P03",+        "type": "bidirectional",+        "description": "P-port 0, bit 3. Quasi-bidirectional I/O with push-pull design structure."+      },+      {+        "number": "8",+        "name": "P04",+        "type": "bidirectional",+        "description": "P-port 0, bit 4. Quasi-bidirectional I/O with push-pull design structure."+      },+      {+        "number": "9",+        "name": "P05",+        "type": "bidirectional",+        "description": "P-port 0, bit 5. Quasi-bidirectional I/O with push-pull design structure."+      },+      {+        "number": "10",+        "name": "P06",+        "type": "bidirectional",+        "description": "P-port 0, bit 6. Quasi-bidirectional I/O with push-pull design structure."+      },+      {+        "number": "11",+        "name": "P07",+        "type": "bidirectional",+        "description": "P-port 0, bit 7. Quasi-bidirectional I/O with push-pull design structure."+      },+      {+        "number": "12",+        "name": "GND",+        "type": "power_in",+        "description": "Ground reference for the device."+      },+      {+        "number": "13",+        "name": "P10",+        "type": "bidirectional",+        "description": "P-port 1, bit 0. Quasi-bidirectional I/O with push-pull design structure."+      },+      {+        "number": "14",+        "name": "P11",+        "type": "bidirectional",+        "description": "P-port 1, bit 1. Quasi-bidirectional I/O with push-pull design structure."+      },+      {+        "number": "15",+        "name": "P12",+        "type": "bidirectional",+        "description": "P-port 1, bit 2. Quasi-bidirectional I/O with push-pull design structure."+      },+      {+        "number": "16",+        "name": "P13",+        "type": "bidirectional",+        "description": "P-port 1, bit 3. Quasi-bidirectional I/O with push-pull design structure."+      },+      {+        "number": "17",+        "name": "P14",+        "type": "bidirectional",+        "description": "P-port 1, bit 4. Quasi-bidirectional I/O with push-pull design structure."+      },+      {+        "number": "18",+        "name": "P15",+        "type": "bidirectional",+        "description": "P-port 1, bit 5. Quasi-bidirectional I/O with push-pull design structure."+      },+      {+        "number": "19",+        "name": "P16",+        "type": "bidirectional",+        "description": "P-port 1, bit 6. Quasi-bidirectional I/O with push-pull design structure."+      },+      {+        "number": "20",+        "name": "P17",+        "type": "bidirectional",+        "description": "P-port 1, bit 7. Quasi-bidirectional I/O with push-pull design structure."+      },+      {+        "number": "21",+        "name": "A0",+        "type": "input",+        "description": "I2C hardware address input 0. Connect directly to VCC or ground; pull-up resistors are not needed."+      },+      {+        "number": "22",+        "name": "SCL",+        "type": "input",+        "description": "I2C serial clock line. Connect to VCC through a pull-up resistor. Supports up to 400 kHz (Fast-mode I2C)."+      },+      {+        "number": "23",+        "name": "SDA",+        "type": "bidirectional",+        "description": "I2C serial data line (open-drain). Connect to VCC through a pull-up resistor."+      },+      {+        "number": "24",+        "name": "VCC",+        "type": "power_in",+        "description": "Supply voltage input. Recommended operating range 2.5 V to 5.5 V (absolute max 6.5 V). Bypass with a decoupling capacitor to GND."+      }+    ],+    "provenance": {+      "extractor": "ds2sf",+      "datasheet": {+        "url": "https://www.ti.com/lit/ds/symlink/pcf8575.pdf",+        "pages": 44,+        "sha256": "c9a02501bf10ed80",+        "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": "16-bit I2C I/O expander",+      "I/O": "16, quasi-bidirectional (2 ports)",+      "Interface": "I2C (up to 400 kHz)",+      "Interrupt": "Open-drain, on input change",+      "Addressing": "3 hardware address pins (up to 8)",+      "Supply voltage": "2.5 V to 5.5 V",+      "Operating temperature": "-40 C to 85 C"+    }+  },+  "sections": [+    "hero",+    "viewers",+    "readme",+    "breadcrumbs",+    "info"+  ],+  "discovery_triggers": [+    "I2C GPIO expander",+    "add more I/O",+    "16-bit I/O over I2C",+    "port expander"+  ],+  "discovery_pitch": "Add 16 general-purpose I/O pins to an MCU over I2C, with an interrupt output on any input change.",+  "author": {+    "name": "Ray",+    "email": "[email protected]"+  },   "dependencies": {},   "hero": {     "type": "image",@@ -28,10 +242,5 @@     "docs/pcf8575-datasheet.pdf",     "viewers/symbol.html",     "viewers/footprint.html"-  ],-  "visibility": "public",-  "author": {-    "name": "Ray",-    "email": "[email protected]"-  }+  ] }\ No newline at end of file