MSP430F67641AIPNR

{
  "slug": "msp430f67641aipnr",
  "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",
    "msp430f67641aipnr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "msp430f67641aipnr.kicad_sym",
    "msp430f67641aipnr.kicad_mod",
    "msp430f67641aipnr.glb",
    "msp430f67641aipnr.step",
    "msp430f67641aipnr.lbr",
    "docs/hero.png",
    "docs/msp430f67641aipnr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "msp430f67641aipnr-hero.glb",
    "msp430f67641aipnr-hero.overlay.json"
  ],
  "component": {
    "mpn": "MSP430F67641AIPNR",
    "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/msp430f67641a",
    "parts": {
      "symbol": "msp430f67641aipnr.kicad_sym",
      "footprint": "msp430f67641aipnr.kicad_mod",
      "model_3d": "msp430f67641aipnr-hero.glb",
      "model_3d_plain": "msp430f67641aipnr.glb",
      "model_3d_step": "msp430f67641aipnr-etched.step",
      "model_3d_step_plain": "msp430f67641aipnr.step",
      "lbr": "msp430f67641aipnr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2055535",
      "digikey": "296-MSP430F67641AIPNRTR-ND",
      "mouser": "595-430F67641AIPNR"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T05:28:44Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-MSP430F67641AIPNRTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-430F67641AIPNR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SD0P0",
        "type": "input",
        "description": "SD24_B converter 0 positive differential analog input (AVCC-powered, reset state OFF) with a protection diode to VCC and a diode current limit of 2 mA."
      },
      {
        "number": "2",
        "name": "SD0N0",
        "type": "input",
        "description": "SD24_B converter 0 negative differential analog input (AVCC-powered, reset state OFF) with a protection diode to VCC and a diode current limit of 2 mA."
      },
      {
        "number": "3",
        "name": "SD1P0",
        "type": "input",
        "description": "SD24_B converter 1 positive differential analog input (AVCC-powered, reset state OFF) with a protection diode to VCC and a diode current limit of 2 mA."
      },
      {
        "number": "4",
        "name": "SD1N0",
        "type": "input",
        "description": "SD24_B converter 1 negative differential analog input (AVCC-powered, reset state OFF) with a protection diode to VCC and a diode current limit of 2 mA."
      },
      {
        "number": "5",
        "name": "SD2P0",
        "type": "input",
        "description": "SD24_B converter 2 positive differential analog input (AVCC-powered, reset state OFF) with a protection diode to VCC and a diode current limit of 2 mA."
      },
      {
        "number": "6",
        "name": "SD2N0",
        "type": "input",
        "description": "SD24_B converter 2 negative differential analog input (AVCC-powered, reset state OFF) with a protection diode to VCC and a diode current limit of 2 mA."
      },
      {
        "number": "7",
        "name": "VREF",
        "type": "power_in",
        "description": "Analog voltage-reference pin (AVCC-powered, reset state OFF) listed as an analog input in the pin attribute table."
      },
      {
        "number": "8",
        "name": "AVSS",
        "type": "power_in",
        "description": "Analog ground; AVSS is held at 0 V and must equal DVSS (VSS = VAVSS = VDVSS)."
      },
      {
        "number": "9",
        "name": "AVCC",
        "type": "power_in",
        "description": "Analog supply; TI recommends powering AVCC and DVCC from the same source with at most 0.3 V difference, within the 1.8 V to 3.6 V VCC range."
      },
      {
        "number": "10",
        "name": "VASYS",
        "type": "power_in",
        "description": "Analog system supply pin per the pin attribute table; the provided excerpt gives no further electrical limit for this pin."
      },
      {
        "number": "11",
        "name": "P1.0/PM_TA0.0/VeREF-/A2",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC with port interrupt, default secondary Timer_A TA0.0 function, VeREF- external ADC reference input and ADC A2 analog input; reset state OFF."
      },
      {
        "number": "12",
        "name": "P1.1/PM_TA0.1/VeREF+/A1",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC with port interrupt, default secondary Timer_A TA0.1 function, VeREF+ external ADC reference input and ADC A1 analog input; reset state OFF."
      },
      {
        "number": "13",
        "name": "P1.2/PM_UCA0RXD/PM_UCA0SOMI/A0",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC with port interrupt, eUSCI_A0 UART receive or SPI slave-out secondary function, and ADC A0 analog input; reset state OFF."
      },
      {
        "number": "14",
        "name": "P1.3/PM_UCA0TXD/PM_UCA0SIMO/R03",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC with port interrupt, eUSCI_A0 UART transmit or SPI slave-in secondary function, and R03 LCD analog pin; reset state OFF."
      },
      {
        "number": "15",
        "name": "AUXVCC2",
        "type": "power_in",
        "description": "Auxiliary supply 2; maximum load current is 20 mA for core and IO and 5 mA for analog modules."
      },
      {
        "number": "16",
        "name": "AUXVCC1",
        "type": "power_in",
        "description": "Auxiliary supply 1; maximum load current is 20 mA for core and IO and 5 mA for analog modules."
      },
      {
        "number": "17",
        "name": "VDSYS",
        "type": "power_in",
        "description": "System supply pin that must be connected externally on the board for proper device operation."
      },
      {
        "number": "18",
        "name": "DVCC",
        "type": "power_in",
        "description": "Digital supply, 1.8 V to 3.6 V, with maximum load current of 20 mA for core and IO; TI recommends DVCC and AVCC from the same source."
      },
      {
        "number": "19",
        "name": "DVSS",
        "type": "power_in",
        "description": "Digital ground; DVSS is held at 0 V and must equal AVSS (VSS = VDVSS = VAVSS)."
      },
      {
        "number": "20",
        "name": "VCORE",
        "type": "power_out",
        "description": "Internal core-voltage output for internal device use only; no external DC load or voltage should be applied, and a 470 nF capacitor is recommended."
      },
      {
        "number": "21",
        "name": "XIN",
        "type": "input",
        "description": "Input terminal for the 32.768 kHz crystal oscillator (DVCC-powered LVCMOS, reset state OFF); unused XIN connects to DVSS."
      },
      {
        "number": "22",
        "name": "XOUT",
        "type": "output",
        "description": "Output terminal for the crystal oscillator (DVCC-powered LVCMOS, reset state OFF); left open when unused."
      },
      {
        "number": "23",
        "name": "AUXVCC3",
        "type": "power_in",
        "description": "Dedicated backup-subsystem supply powering the low-frequency oscillator XT1, the RTC module and backup RAM during LPM3.5."
      },
      {
        "number": "24",
        "name": "P1.4/PM_UCA1RXD/PM_UCA1SOMI/LCDREF/R13",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC with port interrupt, eUSCI_A1 UART receive or SPI slave-out secondary function, and LCD reference/R13 analog pin; reset state OFF."
      },
      {
        "number": "25",
        "name": "P1.5/PM_UCA1TXD/PM_UCA1SIMO/R23",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC with port interrupt, eUSCI_A1 UART transmit or SPI slave-in secondary function, and R23 LCD analog pin; reset state OFF."
      },
      {
        "number": "26",
        "name": "LCDCAP/R33",
        "type": "bidirectional",
        "description": "LCD capacitor/R33 analog pin (AVCC-powered, reset state OFF); it must be connected to DVSS if not used."
      },
      {
        "number": "27",
        "name": "COM0",
        "type": "output",
        "description": "LCD common driver output COM0 (DVCC-powered, reset state OFF)."
      },
      {
        "number": "28",
        "name": "COM1",
        "type": "output",
        "description": "LCD common driver output COM1 (DVCC-powered, reset state OFF)."
      },
      {
        "number": "29",
        "name": "COM2",
        "type": "output",
        "description": "LCD common driver output COM2 (DVCC-powered, reset state OFF)."
      },
      {
        "number": "30",
        "name": "COM3",
        "type": "output",
        "description": "LCD common driver output COM3 (DVCC-powered, reset state OFF)."
      },
      {
        "number": "31",
        "name": "P1.6/PM_UCA0CLK/COM4",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC with port interrupt, eUSCI_A0 clock input/output secondary function, and LCD common output COM4; reset state OFF."
      },
      {
        "number": "32",
        "name": "P1.7/PM_UCB0CLK/COM5",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC with port interrupt, eUSCI_B0 clock input/output secondary function, and LCD common output COM5; reset state OFF."
      },
      {
        "number": "33",
        "name": "P2.0/PM_UCB0SOMI/PM_UCB0SCL/COM6/S39",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC with eUSCI_B0 SPI slave-out or I2C clock secondary function, LCD common output COM6 and segment S39; reset state OFF."
      },
      {
        "number": "34",
        "name": "P2.1/PM_UCB0SIMO/PM_UCB0SDA/COM7/S38",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC with eUSCI_B0 SPI slave-in or I2C data secondary function, LCD common output COM7 and segment S38; reset state OFF."
      },
      {
        "number": "35",
        "name": "P2.2/PM_UCA2RXD/PM_UCA2SOMI/S37",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC with port interrupt, eUSCI_A2 UART receive or SPI slave-out secondary function, and LCD segment S37; reset state OFF."
      },
      {
        "number": "36",
        "name": "P2.3/PM_UCA2TXD/PM_UCA2SIMO/S36",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC with port interrupt, eUSCI_A2 UART transmit or SPI slave-in secondary function, and LCD segment S36; reset state OFF."
      },
      {
        "number": "37",
        "name": "P2.4/PM_UCA1CLK/S35",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC with port interrupt, eUSCI_A1 clock secondary function, and LCD segment S35; reset state OFF."
      },
      {
        "number": "38",
        "name": "P2.5/PM_UCA2CLK/S34",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC with port interrupt, eUSCI_A2 clock secondary function, and LCD segment S34; reset state OFF."
      },
      {
        "number": "39",
        "name": "P2.6/PM_TA1.0/S33",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC with port interrupt, Timer_A TA1.0 secondary function, and LCD segment S33; reset state OFF."
      },
      {
        "number": "40",
        "name": "P2.7/PM_TA1.1/S32",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC with port interrupt, Timer_A TA1.1 secondary function, and LCD segment S32; reset state OFF."
      },
      {
        "number": "41",
        "name": "P3.0/PM_TA2.0/S31/BSL_TX",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC with Timer_A TA2.0 secondary function, LCD segment S31 and bootloader transmit output BSL_TX; reset state OFF."
      },
      {
        "number": "42",
        "name": "P3.1/PM_TA2.1/S30/BSL_RX",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC with Timer_A TA2.1 secondary function, LCD segment S30 and bootloader receive input BSL_RX; reset state OFF."
      },
      {
        "number": "43",
        "name": "P3.2/PM_TACLK/PM_RTCCLK/S29",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC with Timer_A TACLK input or RTC clock output secondary function, and LCD segment S29; reset state OFF."
      },
      {
        "number": "44",
        "name": "P3.3/PM_TA0.2/S28",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC with Timer_A TA0.2 secondary function and LCD segment S28; reset state OFF."
      },
      {
        "number": "45",
        "name": "P3.4/PM_SDCLK/S27",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC with SD24_B bit-stream clock input/output secondary function and LCD segment S27; reset state OFF."
      },
      {
        "number": "46",
        "name": "P3.5/PM_SD0DIO/S26",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC with SD24_B converter 0 bit-stream data secondary function and LCD segment S26; reset state OFF."
      },
      {
        "number": "47",
        "name": "P3.6/PM_SD1DIO/S25",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC with SD24_B converter 1 bit-stream data secondary function and LCD segment S25; reset state OFF."
      },
      {
        "number": "48",
        "name": "P3.7/PM_SD2DIO/S24",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC with SD24_B converter 2 bit-stream data secondary function and LCD segment S24; reset state OFF."
      },
      {
        "number": "49",
        "name": "P4.0/S23",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC that can be switched to LCD segment S23; reset state OFF."
      },
      {
        "number": "50",
        "name": "P4.1/S22",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC that can be switched to LCD segment S22; reset state OFF."
      },
      {
        "number": "51",
        "name": "P4.2/S21",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC that can be switched to LCD segment S21; reset state OFF."
      },
      {
        "number": "52",
        "name": "P4.3/S20",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC that can be switched to LCD segment S20; reset state OFF."
      },
      {
        "number": "53",
        "name": "P4.4/S19",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC that can be switched to LCD segment S19; reset state OFF."
      },
      {
        "number": "54",
        "name": "P4.5/S18",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC that can be switched to LCD segment S18; reset state OFF."
      },
      {
        "number": "55",
        "name": "P4.6/S17",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC that can be switched to LCD segment S17; reset state OFF."
      },
      {
        "number": "56",
        "name": "P4.7/S16",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC that can be switched to LCD segment S16; reset state OFF."
      },
      {
        "number": "57",
        "name": "P5.0/S15",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC that can be switched to LCD segment S15; reset state OFF."
      },
      {
        "number": "58",
        "name": "P5.1/S14",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC that can be switched to LCD segment S14; reset state OFF."
      },
      {
        "number": "59",
        "name": "DVSYS",
        "type": "power_in",
        "description": "System supply pin that must be connected externally on the board for proper device operation."
      },
      {
        "number": "60",
        "name": "DVSS",
        "type": "power_in",
        "description": "Digital ground; DVSS is held at 0 V and must equal AVSS (VSS = VDVSS = VAVSS)."
      },
      {
        "number": "61",
        "name": "P5.2/S13",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC that can be switched to LCD segment S13; reset state OFF."
      },
      {
        "number": "62",
        "name": "P5.3/S12",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC that can be switched to LCD segment S12; reset state OFF."
      },
      {
        "number": "63",
        "name": "P5.4/S11",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC that can be switched to LCD segment S11; reset state OFF."
      },
      {
        "number": "64",
        "name": "P5.5/S10",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC that can be switched to LCD segment S10; reset state OFF."
      },
      {
        "number": "65",
        "name": "P5.6/S9",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC that can be switched to LCD segment S9; reset state OFF."
      },
      {
        "number": "66",
        "name": "P5.7/S8",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC that can be switched to LCD segment S8; reset state OFF."
      },
      {
        "number": "67",
        "name": "P6.0/S7",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC that can be switched to LCD segment S7; reset state OFF."
      },
      {
        "number": "68",
        "name": "P6.1/S6",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC that can be switched to LCD segment S6; reset state OFF."
      },
      {
        "number": "69",
        "name": "P6.2/S5",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC that can be switched to LCD segment S5; reset state OFF."
      },
      {
        "number": "70",
        "name": "P6.3/S4",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC that can be switched to LCD segment S4; reset state OFF."
      },
      {
        "number": "71",
        "name": "P6.4/S3",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC that can be switched to LCD segment S3; reset state OFF."
      },
      {
        "number": "72",
        "name": "P6.5/S2",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC that can be switched to LCD segment S2; reset state OFF."
      },
      {
        "number": "73",
        "name": "P6.6/S1",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC that can be switched to LCD segment S1; reset state OFF."
      },
      {
        "number": "74",
        "name": "P6.7/S0",
        "type": "bidirectional",
        "description": "General-purpose digital I/O from DVCC that can be switched to LCD segment S0; reset state OFF."
      },
      {
        "number": "75",
        "name": "TEST/SBWTCK",
        "type": "input",
        "description": "TEST is the test-mode pin that selects digital I/O on the JTAG pins and always has an internal pulldown enabled; SBWTCK is the Spy-Bi-Wire clock input."
      },
      {
        "number": "76",
        "name": "PJ.0/SMCLK/TDO",
        "type": "bidirectional",
        "description": "JTAG-shared general-purpose I/O from DVCC with SMCLK output and TDO test-data output; unused pins are switched to output direction and left open when used as JTAG pins."
      },
      {
        "number": "77",
        "name": "PJ.1/MCLK/TDI/TCLK",
        "type": "bidirectional",
        "description": "JTAG-shared general-purpose I/O from DVCC with MCLK output and TDI/TCLK test-data or test-clock input; unused pins are switched to output direction and left open when used as JTAG pins."
      },
      {
        "number": "78",
        "name": "PJ.2/ADC10CLK/TMS",
        "type": "bidirectional",
        "description": "JTAG-shared general-purpose I/O from DVCC with ADC10CLK output and TMS test-mode-select input; unused pins are switched to output direction and left open when used as JTAG pins."
      },
      {
        "number": "79",
        "name": "PJ.3/ACLK/TCK",
        "type": "bidirectional",
        "description": "JTAG-shared general-purpose I/O from DVCC with ACLK output and TCK test-clock input; unused pins are switched to output direction and left open when used as JTAG pins."
      },
      {
        "number": "80",
        "name": "RST/NMI/SBWTDIO",
        "type": "bidirectional",
        "description": "Active-low reset input with internal pullup enabled at reset (reset state PU), NMI nonmaskable interrupt input, and SBWTDIO 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: Table 4-4 (PN package signal descriptions, datasheet pages 19-30) is only partly present in the prov; Pin 26 (LCDCAP/R33): the datasheet caution that this pin must be connected to DVSS if not used appea; Pins 75 (TEST/SBWTCK) and 80 (RST/NMI/SBWTDIO) combine several functions with different directions. "
        ],
        "pages_sent": 73,
        "cost_usd": 0.367,
        "at": "2026-10-11T05:28:16"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/msp430f67641a",
        "pages": 161,
        "sha256": "4f4b60167e8688ea",
        "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": "msp430f67641aipnr.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": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "msp430f67641aipnr-etched.step",
        "role": "eda",
        "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": "c780c7be976691ac978715f7e82e55bb5b0368825bf9a124c8f4e9f8e608de41",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}