MSP430F2121IDWR

{
  "slug": "msp430f2121idwr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Microcontrollers (MCU/MPU/SOC), SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "msp430f2121idwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "msp430f2121idwr.kicad_sym",
    "msp430f2121idwr.kicad_mod",
    "msp430f2121idwr.glb",
    "msp430f2121idwr.step",
    "msp430f2121idwr.lbr",
    "docs/hero.png",
    "docs/msp430f2121idwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "MSP430F2121IDWR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-20-300mil",
    "pin_count": 20,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/msp430f2131",
    "parts": {
      "symbol": "msp430f2121idwr.kicad_sym",
      "footprint": "msp430f2121idwr.kicad_mod",
      "model_3d": "msp430f2121idwr-etched.glb",
      "model_3d_plain": "msp430f2121idwr.glb",
      "model_3d_step": "msp430f2121idwr-etched.step",
      "model_3d_step_plain": "msp430f2121idwr.step",
      "lbr": "msp430f2121idwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2053355",
      "digikey": "296-18113-2-ND",
      "mouser": "595-MSP430F2121IDWR"
    },
    "distributor_check": {
      "checked_at": "2026-10-01T02:39:24Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-18113-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-MSP430F2121IDWR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "TEST",
        "type": "input",
        "description": "Test mode select input for JTAG pins and protection fuse control."
      },
      {
        "number": "2",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage input (1.8 V to 3.6 V)."
      },
      {
        "number": "3",
        "name": "P2.5/CA5",
        "type": "bidirectional",
        "description": "General-purpose I/O pin (P2.5) with Comparator_A+ input channel 5 (CA5)."
      },
      {
        "number": "4",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference."
      },
      {
        "number": "5",
        "name": "XOUT/P2.7/CA7",
        "type": "bidirectional",
        "description": "Crystal oscillator output (XOUT), general-purpose I/O (P2.7), and Comparator_A+ input channel 7 (CA7)."
      },
      {
        "number": "6",
        "name": "XIN/P2.6/CA6",
        "type": "bidirectional",
        "description": "Crystal oscillator input (XIN), general-purpose I/O (P2.6), and Comparator_A+ input channel 6 (CA6)."
      },
      {
        "number": "7",
        "name": "RST/NMI",
        "type": "input",
        "description": "Reset or nonmaskable interrupt input."
      },
      {
        "number": "8",
        "name": "P2.0/ACLK/CA2",
        "type": "bidirectional",
        "description": "General-purpose I/O pin (P2.0) with auxiliary clock output (ACLK) and Comparator_A+ input channel 2 (CA2)."
      },
      {
        "number": "9",
        "name": "P2.1/INCLK/CA3",
        "type": "bidirectional",
        "description": "General-purpose I/O pin (P2.1) with Timer_A input clock (INCLK) and Comparator_A+ input channel 3 (CA3)."
      },
      {
        "number": "10",
        "name": "P2.2/CAOUT/TA0/CA4",
        "type": "bidirectional",
        "description": "General-purpose I/O pin (P2.2) with Comparator_A+ output, Timer_A capture input (CCI0B), and Comparator_A+ input channel 4 (CA4)."
      },
      {
        "number": "11",
        "name": "P2.3/TA1/CA0",
        "type": "bidirectional",
        "description": "General-purpose I/O pin (P2.3) with Timer_A output 1 (TA1) and Comparator_A+ input channel 0 (CA0)."
      },
      {
        "number": "12",
        "name": "P2.4/TA2/CA1",
        "type": "bidirectional",
        "description": "General-purpose I/O pin (P2.4) with Timer_A output 2 (TA2) and Comparator_A+ input channel 1 (CA1)."
      },
      {
        "number": "13",
        "name": "P1.0/TACLK",
        "type": "bidirectional",
        "description": "General-purpose I/O pin (P1.0) with Timer_A clock signal input (TACLK)."
      },
      {
        "number": "14",
        "name": "P1.1/TA0",
        "type": "bidirectional",
        "description": "General-purpose I/O pin (P1.1) with Timer_A capture input (CCI0A), output 0 (TA0), and bootstrap loader transmit function."
      },
      {
        "number": "15",
        "name": "P1.2/TA1",
        "type": "bidirectional",
        "description": "General-purpose I/O pin (P1.2) with Timer_A capture input (CCI1A) and output 1 (TA1)."
      },
      {
        "number": "16",
        "name": "P1.3/TA2",
        "type": "bidirectional",
        "description": "General-purpose I/O pin (P1.3) with Timer_A capture input (CCI2A) and output 2 (TA2)."
      },
      {
        "number": "17",
        "name": "P1.4/SMCLK/TCK",
        "type": "bidirectional",
        "description": "General-purpose I/O pin (P1.4) with subsystem master clock output (SMCLK) and test clock input (TCK) for device programming."
      },
      {
        "number": "18",
        "name": "P1.5/TA0/TMS",
        "type": "bidirectional",
        "description": "General-purpose I/O pin (P1.5) with Timer_A output 0 (TA0) and test mode select input (TMS) for device programming."
      },
      {
        "number": "19",
        "name": "P1.6/TA1/TDI/TCLK",
        "type": "bidirectional",
        "description": "General-purpose I/O pin (P1.6) with Timer_A output 1 (TA1), test data input (TDI), and test clock input (TCLK) for device programming."
      },
      {
        "number": "20",
        "name": "P1.7/TA2/TDO/TDI",
        "type": "bidirectional",
        "description": "General-purpose I/O pin (P1.7) with Timer_A output 2 (TA2), test data output (TDO), and test data input (TDI) for device programming."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 25,
        "cost_usd": 0.2611,
        "at": "2026-10-01T02:39:05"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/msp430f2131",
        "pages": 68,
        "sha256": "0997b19db742fa9b",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  }
}