MSP430F6731IPNR

{
  "slug": "msp430f6731ipnr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Microcontrollers (MCU/MPU/SOC), LQFP-80(12x12). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "msp430f6731ipnr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "msp430f6731ipnr.kicad_sym",
    "msp430f6731ipnr.kicad_mod",
    "msp430f6731ipnr.glb",
    "msp430f6731ipnr.step",
    "msp430f6731ipnr.lbr",
    "docs/hero.png",
    "docs/msp430f6731ipnr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "msp430f6731ipnr-hero.glb",
    "msp430f6731ipnr-hero.overlay.json"
  ],
  "component": {
    "mpn": "MSP430F6731IPNR",
    "manufacturer": "Texas Instruments",
    "package": "LQFP-80(12x12)",
    "pin_count": 80,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/msp430f6736",
    "parts": {
      "symbol": "msp430f6731ipnr.kicad_sym",
      "footprint": "msp430f6731ipnr.kicad_mod",
      "model_3d": "msp430f6731ipnr-hero.glb",
      "model_3d_plain": "msp430f6731ipnr.glb",
      "model_3d_step": "msp430f6731ipnr-etched.step",
      "model_3d_step_plain": "msp430f6731ipnr.step",
      "lbr": "msp430f6731ipnr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2055254",
      "digikey": "MSP430F6731IPNR-ND",
      "mouser": "595-MSP430F6731IPNR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T19:18:28Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "MSP430F6731IPNR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-MSP430F6731IPNR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SD0P0",
        "type": "input",
        "description": "SD24_B positive analog input for converter 0."
      },
      {
        "number": "2",
        "name": "SD0N0",
        "type": "input",
        "description": "SD24_B negative analog input for converter 0; short unused analog input pairs and connect them to analog ground."
      },
      {
        "number": "3",
        "name": "SD1P0",
        "type": "input",
        "description": "SD24_B positive analog input for converter 1."
      },
      {
        "number": "4",
        "name": "SD1N0",
        "type": "input",
        "description": "SD24_B negative analog input for converter 1; short unused analog input pairs and connect them to analog ground."
      },
      {
        "number": "5",
        "name": "SD2P0",
        "type": "input",
        "description": "SD24_B positive analog input for converter 2 (available on F673x devices, not on F672x devices)."
      },
      {
        "number": "6",
        "name": "SD2N0",
        "type": "input",
        "description": "SD24_B negative analog input for converter 2 (available on F673x devices, not on F672x devices); short unused analog input pairs and connect them to analog ground."
      },
      {
        "number": "7",
        "name": "VREF",
        "type": "power_in",
        "description": "SD24_B external reference voltage input."
      },
      {
        "number": "8",
        "name": "AVSS",
        "type": "power_in",
        "description": "Analog ground supply."
      },
      {
        "number": "9",
        "name": "AVCC",
        "type": "power_in",
        "description": "Analog power supply."
      },
      {
        "number": "10",
        "name": "VASYS",
        "type": "power_in",
        "description": "Analog power supply selected between AVCC, AUXVCC1 and AUXVCC2; connect the recommended capacitor CVSYS (see Table 5-18)."
      },
      {
        "number": "11",
        "name": "P1.0/PM_TA0.0/VeREF-/A2",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt and mappable function (default Timer TA0 CCR0 capture CCI0A / compare Out0); also negative ADC reference terminal for an external reference and analog input A2 for the 10-bit ADC."
      },
      {
        "number": "12",
        "name": "P1.1/PM_TA0.1/VeREF+/A1",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt and mappable function (default Timer TA0 CCR1 capture CCI1A / compare Out1); also positive ADC reference terminal for an external reference and analog input A1 for the 10-bit ADC."
      },
      {
        "number": "13",
        "name": "P1.2/PM_UCA0RXD/PM_UCA0SOMI/A0",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt and mappable function (default eUSCI_A0 UART receive data or SPI slave out/master in); also analog input A0 for the 10-bit ADC."
      },
      {
        "number": "14",
        "name": "P1.3/PM_UCA0TXD/PM_UCA0SIMO/R03",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt and mappable function (default eUSCI_A0 UART transmit data or SPI slave in/master out); also input/output port of the lowest analog LCD voltage V5."
      },
      {
        "number": "15",
        "name": "AUXVCC2",
        "type": "power_in",
        "description": "Auxiliary power supply AUXVCC2."
      },
      {
        "number": "16",
        "name": "AUXVCC1",
        "type": "power_in",
        "description": "Auxiliary power supply AUXVCC1."
      },
      {
        "number": "17",
        "name": "VDSYS",
        "type": "power_in",
        "description": "Digital power supply selected between DVCC, AUXVCC1 and AUXVCC2; must be connected externally on the board and connected to the recommended capacitor CVSYS (see Table 5-18)."
      },
      {
        "number": "18",
        "name": "DVCC",
        "type": "power_in",
        "description": "Digital power supply."
      },
      {
        "number": "19",
        "name": "DVSS",
        "type": "power_in",
        "description": "Digital ground supply."
      },
      {
        "number": "20",
        "name": "VCORE",
        "type": "power_out",
        "description": "Regulated core power supply for internal use only; no external current loading is possible and it should only be connected to the recommended capacitor CVCORE."
      },
      {
        "number": "21",
        "name": "XIN",
        "type": "input",
        "description": "Input terminal for the crystal oscillator."
      },
      {
        "number": "22",
        "name": "XOUT",
        "type": "output",
        "description": "Output terminal for the crystal oscillator."
      },
      {
        "number": "23",
        "name": "AUXVCC3",
        "type": "power_in",
        "description": "Auxiliary power supply AUXVCC3 for the backup subsystem."
      },
      {
        "number": "24",
        "name": "P1.4/PM_UCA1RXD/PM_UCA1SOMI/LCDREF/R13",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt and mappable function (default eUSCI_A1 UART receive data or SPI slave out/master in); also external reference input for the regulated LCD voltage and input/output of analog LCD voltage V3 or V4."
      },
      {
        "number": "25",
        "name": "P1.5/PM_UCA1TXD/PM_UCA1SIMO/R23",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt and mappable function (default eUSCI_A1 UART transmit data or SPI slave in/master out); also input/output of analog LCD voltage V2."
      },
      {
        "number": "26",
        "name": "LCDCAP/R33",
        "type": "bidirectional",
        "description": "LCD capacitor connection and input/output of the most positive analog LCD voltage V1; must be connected to DVSS if not used."
      },
      {
        "number": "27",
        "name": "COM0",
        "type": "output",
        "description": "LCD common output COM0 for the LCD backplane."
      },
      {
        "number": "28",
        "name": "COM1",
        "type": "output",
        "description": "LCD common output COM1 for the LCD backplane."
      },
      {
        "number": "29",
        "name": "COM2",
        "type": "output",
        "description": "LCD common output COM2 for the LCD backplane."
      },
      {
        "number": "30",
        "name": "COM3",
        "type": "output",
        "description": "LCD common output COM3 for the LCD backplane."
      },
      {
        "number": "31",
        "name": "P1.6/PM_UCA0CLK/COM4",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt and mappable function (default eUSCI_A0 clock input/output); also LCD common output COM4."
      },
      {
        "number": "32",
        "name": "P1.7/PM_UCB0CLK/COM5",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt and mappable function (default eUSCI_B0 clock input/output); also LCD common output COM5."
      },
      {
        "number": "33",
        "name": "P2.0/PM_UCB0SOMI/PM_UCB0SCL/COM6/S39",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt and mappable function (default eUSCI_B0 SPI slave out/master in or I2C clock); also LCD common output COM6 and LCD segment output S39."
      },
      {
        "number": "34",
        "name": "P2.1/PM_UCB0SIMO/PM_UCB0SDA/COM7/S38",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt and mappable function (default eUSCI_B0 SPI slave in/master out or I2C data); also LCD common output COM7 and LCD segment output S38."
      },
      {
        "number": "35",
        "name": "P2.2/PM_UCA2RXD/PM_UCA2SOMI/S37",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt and mappable function (default eUSCI_A2 UART receive data or SPI slave out/master in); also LCD segment output S37."
      },
      {
        "number": "36",
        "name": "P2.3/PM_UCA2TXD/PM_UCA2SIMO/S36",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt and mappable function (default eUSCI_A2 UART transmit data or SPI slave in/master out); also LCD segment output S36."
      },
      {
        "number": "37",
        "name": "P2.4/PM_UCA1CLK/S35",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt and mappable function (default eUSCI_A1 clock input/output); also LCD segment output S35."
      },
      {
        "number": "38",
        "name": "P2.5/PM_UCA2CLK/S34",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt and mappable function (default eUSCI_A2 clock input/output); also LCD segment output S34."
      },
      {
        "number": "39",
        "name": "P2.6/PM_TA1.0/S33",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt and mappable function (default Timer TA1 CCR0 capture CCI0A / compare Out0); also LCD segment output S33."
      },
      {
        "number": "40",
        "name": "P2.7/PM_TA1.1/S32",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt and mappable function (default Timer TA1 CCR1 capture CCI1A / compare Out1); also LCD segment output S32."
      },
      {
        "number": "41",
        "name": "P3.0/PM_TA2.0/S31/BSL_TX",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with mappable function (default Timer TA2 CCR0 capture CCI0A / compare Out0); also LCD segment output S31 and bootloader data transmit."
      },
      {
        "number": "42",
        "name": "P3.1/PM_TA2.1/S30/BSL_RX",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with mappable function (default Timer TA2 CCR1 capture CCI1A / compare Out1); also LCD segment output S30 and bootloader data receive."
      },
      {
        "number": "43",
        "name": "P3.2/PM_TACLK/PM_RTCCLK/S29",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with mappable function (default Timer clock input TACLK for TA0, TA1, TA2, TA3 and RTCCLK clock output); also LCD segment output S29."
      },
      {
        "number": "44",
        "name": "P3.3/PM_TA0.2/S28",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with mappable function (default Timer TA0 CCR2 capture CCI2A / compare Out2); also LCD segment output S28."
      },
      {
        "number": "45",
        "name": "P3.4/PM_SDCLK/S27",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with mappable function (default SD24_B bitstream clock input/output); also LCD segment output S27."
      },
      {
        "number": "46",
        "name": "P3.5/PM_SD0DIO/S26",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with mappable function (default SD24_B converter-0 bitstream data input/output); also LCD segment output S26."
      },
      {
        "number": "47",
        "name": "P3.6/PM_SD1DIO/S25",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with mappable function (default SD24_B converter-1 bitstream data input/output); also LCD segment output S25."
      },
      {
        "number": "48",
        "name": "P3.7/PM_SD2DIO/S24",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with mappable function (default SD24_B converter-2 bitstream data input/output, available on F673x devices); also LCD segment output S24."
      },
      {
        "number": "49",
        "name": "P4.0/S23",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; also LCD segment output S23."
      },
      {
        "number": "50",
        "name": "P4.1/S22",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; also LCD segment output S22."
      },
      {
        "number": "51",
        "name": "P4.2/S21",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; also LCD segment output S21."
      },
      {
        "number": "52",
        "name": "P4.3/S20",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; also LCD segment output S20."
      },
      {
        "number": "53",
        "name": "P4.4/S19",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; also LCD segment output S19."
      },
      {
        "number": "54",
        "name": "P4.5/S18",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; also LCD segment output S18."
      },
      {
        "number": "55",
        "name": "P4.6/S17",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; also LCD segment output S17."
      },
      {
        "number": "56",
        "name": "P4.7/S16",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; also LCD segment output S16."
      },
      {
        "number": "57",
        "name": "P5.0/S15",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; also LCD segment output S15."
      },
      {
        "number": "58",
        "name": "P5.1/S14",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; also LCD segment output S14."
      },
      {
        "number": "59",
        "name": "DVSYS",
        "type": "power_in",
        "description": "Digital power supply for I/Os; must be connected externally on the board for proper device operation."
      },
      {
        "number": "60",
        "name": "DVSS",
        "type": "power_in",
        "description": "Digital ground supply."
      },
      {
        "number": "61",
        "name": "P5.2/S13",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; also LCD segment output S13."
      },
      {
        "number": "62",
        "name": "P5.3/S12",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; also LCD segment output S12."
      },
      {
        "number": "63",
        "name": "P5.4/S11",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; also LCD segment output S11."
      },
      {
        "number": "64",
        "name": "P5.5/S10",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; also LCD segment output S10."
      },
      {
        "number": "65",
        "name": "P5.6/S9",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; also LCD segment output S9."
      },
      {
        "number": "66",
        "name": "P5.7/S8",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; also LCD segment output S8."
      },
      {
        "number": "67",
        "name": "P6.0/S7",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; also LCD segment output S7."
      },
      {
        "number": "68",
        "name": "P6.1/S6",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; also LCD segment output S6."
      },
      {
        "number": "69",
        "name": "P6.2/S5",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; also LCD segment output S5."
      },
      {
        "number": "70",
        "name": "P6.3/S4",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; also LCD segment output S4."
      },
      {
        "number": "71",
        "name": "P6.4/S3",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; also LCD segment output S3."
      },
      {
        "number": "72",
        "name": "P6.5/S2",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; also LCD segment output S2."
      },
      {
        "number": "73",
        "name": "P6.6/S1",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; also LCD segment output S1."
      },
      {
        "number": "74",
        "name": "P6.7/S0",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; also LCD segment output S0."
      },
      {
        "number": "75",
        "name": "TEST/SBWTCK",
        "type": "input",
        "description": "Test mode pin used to select digital I/O on the JTAG pins; also the Spy-Bi-Wire input clock."
      },
      {
        "number": "76",
        "name": "PJ.0/SMCLK/TDO",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; also SMCLK clock output and JTAG test data output."
      },
      {
        "number": "77",
        "name": "PJ.1/MCLK/TDI/TCLK",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; also MCLK clock output and JTAG test data input or test clock input."
      },
      {
        "number": "78",
        "name": "PJ.2/ADC10CLK/TMS",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; also ADC10_A clock output and JTAG test mode select."
      },
      {
        "number": "79",
        "name": "PJ.3/ACLK/TCK",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; also ACLK clock output and JTAG test clock."
      },
      {
        "number": "80",
        "name": "RST/NMI/SBWTDIO",
        "type": "bidirectional",
        "description": "Active-low reset input (internal pullup enabled by default when configured as reset), nonmaskable interrupt input, and Spy-Bi-Wire data input/output."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin positions come from Table 4-4 (PN package terminal functions). Figure 4-2, the 80-pin PN top-vie; MSP430F6731 is in the F673x group, so pins 5, 6 and 48 carry the SD2 functions (SD2P0, SD2N0, P3.7/P; Pin types are judgment calls for KiCad ERC: VCORE is typed power_out (regulator output), VASYS/VDSYS"
        ],
        "pages_sent": 76,
        "cost_usd": 0.4505,
        "at": "2026-10-08T19:17:29"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/msp430f6736",
        "pages": 154,
        "sha256": "3f8f4b9a2dc07004",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 80,
        "described": 80,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "msp430f6731ipnr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          14.0,
          14.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f782bdbc6327d920be33e2b9906695d7c3690117933775c3f145eac71f2013ac",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "msp430f6731ipnr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          14.0,
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        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "aadefc7cb8627a6ba010cd6cad90b9ad44249c08de8fa45e59eac93b987b4b70",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}