MSP430F67791IPZR

{
  "slug": "msp430f67791ipzr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Microcontrollers (MCU/MPU/SOC), LQFP-100(14x14). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "msp430f67791ipzr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
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  "component": {
    "mpn": "MSP430F67791IPZR",
    "manufacturer": "Texas Instruments",
    "package": "LQFP-100(14x14)",
    "pin_count": 100,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/msp430f67761",
    "parts": {
      "symbol": "msp430f67791ipzr.kicad_sym",
      "footprint": "msp430f67791ipzr.kicad_mod",
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      "lbr": "msp430f67791ipzr.lbr"
    },
    "distributor_links": {
      "lcsc": 2053919,
      "digikey": "296-36677-2-ND",
      "mouser": "595-MSP430F67791IPZR"
    },
    "distributor_check": {
      "checked_at": "2026-10-03T08:02:42Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-36677-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-MSP430F67791IPZR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SD0P0",
        "type": "input",
        "description": "SD24_B positive analog input for converter 0 differential pair input."
      },
      {
        "number": "2",
        "name": "SD0N0",
        "type": "input",
        "description": "SD24_B negative analog input for converter 0 differential pair input."
      },
      {
        "number": "3",
        "name": "SD1P0",
        "type": "input",
        "description": "SD24_B positive analog input for converter 1 differential pair input."
      },
      {
        "number": "4",
        "name": "SD1N0",
        "type": "input",
        "description": "SD24_B negative analog input for converter 1 differential pair input."
      },
      {
        "number": "5",
        "name": "SD2P0",
        "type": "input",
        "description": "SD24_B positive analog input for converter 2 differential pair input."
      },
      {
        "number": "6",
        "name": "SD2N0",
        "type": "input",
        "description": "SD24_B negative analog input for converter 2 differential pair input."
      },
      {
        "number": "7",
        "name": "SD3P0",
        "type": "input",
        "description": "SD24_B positive analog input for converter 3 differential pair input."
      },
      {
        "number": "8",
        "name": "SD3N0",
        "type": "input",
        "description": "SD24_B negative analog input for converter 3 differential pair input."
      },
      {
        "number": "9",
        "name": "VASYS2",
        "type": "power_in",
        "description": "Analog power supply selected between AVCC, AUXVCC1, AUXVCC2 with recommended capacitor CVSYS."
      },
      {
        "number": "10",
        "name": "AVSS2",
        "type": "power_in",
        "description": "Analog ground supply."
      },
      {
        "number": "11",
        "name": "VREF",
        "type": "power_in",
        "description": "SD24_B external reference voltage input with 1.4V to 2.0V typical range."
      },
      {
        "number": "12",
        "name": "SD4P0",
        "type": "input",
        "description": "SD24_B positive analog input for converter 4 differential pair input (not available on F674x1 devices)."
      },
      {
        "number": "13",
        "name": "SD4N0",
        "type": "input",
        "description": "SD24_B negative analog input for converter 4 differential pair input (not available on F674x1 devices)."
      },
      {
        "number": "14",
        "name": "SD5P0",
        "type": "input",
        "description": "SD24_B positive analog input for converter 5 differential pair input (not available on F674x1 devices)."
      },
      {
        "number": "15",
        "name": "SD5N0",
        "type": "input",
        "description": "SD24_B negative analog input for converter 5 differential pair input (not available on F674x1 devices)."
      },
      {
        "number": "16",
        "name": "SD6P0",
        "type": "input",
        "description": "SD24_B positive analog input for converter 6 differential pair input (not available on F676x1 and F674x1 devices)."
      },
      {
        "number": "17",
        "name": "SD6N0",
        "type": "input",
        "description": "SD24_B negative analog input for converter 6 differential pair input (not available on F676x1 and F674x1 devices)."
      },
      {
        "number": "18",
        "name": "AVSS1",
        "type": "power_in",
        "description": "Analog ground supply."
      },
      {
        "number": "19",
        "name": "AVCC",
        "type": "power_in",
        "description": "Analog power supply for ADC and reference circuits."
      },
      {
        "number": "20",
        "name": "VASYS1",
        "type": "power_in",
        "description": "Analog power supply selected between AVCC, AUXVCC1, AUXVCC2 with recommended capacitor CVSYS."
      },
      {
        "number": "21",
        "name": "AUXVCC2",
        "type": "power_in",
        "description": "Auxiliary power supply AUXVCC2 for system operation during main supply failure."
      },
      {
        "number": "22",
        "name": "AUXVCC1",
        "type": "power_in",
        "description": "Auxiliary power supply AUXVCC1 for system operation during main supply failure."
      },
      {
        "number": "23",
        "name": "VDSYS1",
        "type": "power_in",
        "description": "Digital power supply selected between DVCC, AUXVCC1, AUXVCC2; must be connected externally for proper device operation."
      },
      {
        "number": "24",
        "name": "DVCC",
        "type": "power_in",
        "description": "Digital power supply for core and I/O logic circuits."
      },
      {
        "number": "25",
        "name": "DVSS1",
        "type": "power_in",
        "description": "Digital ground supply."
      },
      {
        "number": "26",
        "name": "VCORE",
        "type": "power_in",
        "description": "Regulated core power supply for internal use only with recommended capacitor CVCORE = 470 nF."
      },
      {
        "number": "27",
        "name": "XIN",
        "type": "bidirectional",
        "description": "Crystal oscillator input terminal for XT1 low-frequency oscillator with 32.768-kHz watch crystal."
      },
      {
        "number": "28",
        "name": "XOUT",
        "type": "bidirectional",
        "description": "Crystal oscillator output terminal for XT1 low-frequency oscillator with 32.768-kHz watch crystal."
      },
      {
        "number": "29",
        "name": "AUXVCC3",
        "type": "power_in",
        "description": "Auxiliary power supply AUXVCC3 for backup subsystem including RTC operation."
      },
      {
        "number": "30",
        "name": "RTCCAP1",
        "type": "input",
        "description": "External time capture pin 1 for RTC_C module supporting tamper detection and edge triggering."
      },
      {
        "number": "31",
        "name": "RTCCAP0",
        "type": "input",
        "description": "External time capture pin 0 for RTC_C module supporting tamper detection and edge triggering."
      },
      {
        "number": "32",
        "name": "P1.5/SMCLK/CB0/A5",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt, SMCLK clock output, Comparator_B input CB0, and analog input A5 for 10-bit ADC."
      },
      {
        "number": "33",
        "name": "P1.4/MCLK/CB1/A4",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt, MCLK clock output, Comparator_B input CB1, and analog input A4 for 10-bit ADC."
      },
      {
        "number": "34",
        "name": "P1.3/ADC10CLK/A3",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt, ADC10_A clock output, and analog input A3 for 10-bit ADC; enable internal pulldown before using analog function."
      },
      {
        "number": "35",
        "name": "P1.2/ACLK/A2",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt, ACLK clock output, and analog input A2 for 10-bit ADC."
      },
      {
        "number": "36",
        "name": "P1.1/TA2.1/CBOUT/VeREF+/A1",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt, Timer TA2 CCR1 capture/compare, Comparator_B output, positive reference voltage terminal for ADC, and analog input A1."
      },
      {
        "number": "37",
        "name": "P1.0/TA1.1/VeREF-/A0",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt, Timer TA1 CCR1 capture/compare, negative reference voltage terminal for ADC, and analog input A0."
      },
      {
        "number": "38",
        "name": "COM0",
        "type": "output",
        "description": "LCD common output COM0 for LCD backplane drive in LCD_C module."
      },
      {
        "number": "39",
        "name": "COM1",
        "type": "output",
        "description": "LCD common output COM1 for LCD backplane drive in LCD_C module."
      },
      {
        "number": "40",
        "name": "P1.6/COM2",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt and LCD common output COM2 for LCD backplane."
      },
      {
        "number": "41",
        "name": "P1.7/COM3",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt and LCD common output COM3 for LCD backplane."
      },
      {
        "number": "42",
        "name": "P2.0/PM_TA0.0/BSL_TX/COM4",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt and mappable secondary function, Timer TA0 CCR0, bootloader transmit, LCD common output COM4."
      },
      {
        "number": "43",
        "name": "P2.1/PM_TA0.1/BSL_RX/COM5",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt and mappable secondary function, Timer TA0 CCR1, bootloader receive, LCD common output COM5."
      },
      {
        "number": "44",
        "name": "P2.2/PM_TA0.2/COM6",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt and mappable secondary function, Timer TA0 CCR2, LCD common output COM6."
      },
      {
        "number": "45",
        "name": "P2.3/PM_TA1.0/COM7",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt and mappable secondary function, Timer TA1 CCR0, LCD common output COM7."
      },
      {
        "number": "46",
        "name": "LCDCAP/R33",
        "type": "bidirectional",
        "description": "LCD capacitor connection pin and input/output port of most positive analog LCD voltage V1; must connect to DVSS if not used."
      },
      {
        "number": "47",
        "name": "P2.4/PM_TA2.0/R23",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt and mappable secondary function, Timer TA2 CCR0, and input/output port for LCD voltage V2."
      },
      {
        "number": "48",
        "name": "P2.5/PM_UCB0SOMI/PM_UCB0SCL/LCDREF/R13",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt and mappable secondary function, eUSCI_B0 SPI/I2C, external LCD reference voltage input, LCD voltage V3 or V4."
      },
      {
        "number": "49",
        "name": "P2.6/PM_UCB0SIMO/PM_UCB0SDA/R03",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt and mappable secondary function, eUSCI_B0 SPI/I2C data, LCD voltage V5 output."
      },
      {
        "number": "50",
        "name": "P2.7/PM_UCB0CLK/CB2",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt and mappable secondary function, eUSCI_B0 clock, Comparator_B input CB2."
      },
      {
        "number": "51",
        "name": "P3.0/PM_UCA0RXD/PM_UCA0SOMI",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with mappable secondary function, eUSCI_A0 UART receive data or SPI slave out master in."
      },
      {
        "number": "52",
        "name": "P3.1/PM_UCA0TXD/PM_UCA0SIMO/S39",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with mappable secondary function, eUSCI_A0 UART transmit data or SPI slave in master out, and LCD segment output S39."
      },
      {
        "number": "53",
        "name": "P3.2/PM_UCA0CLK/S38",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with mappable secondary function, eUSCI_A0 clock input/output, and LCD segment output S38."
      },
      {
        "number": "54",
        "name": "P3.3/PM_UCA1CLK/S37",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with mappable secondary function, eUSCI_A1 clock input/output, and LCD segment output S37."
      },
      {
        "number": "55",
        "name": "P3.4/PM_UCA1RXD/PM_UCA1SOMI/S36",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with mappable secondary function, eUSCI_A1 UART receive or SPI slave out master in, and LCD segment output S36."
      },
      {
        "number": "56",
        "name": "P3.5/PM_UCA1TXD/PM_UCA1SIMO/S35",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with mappable secondary function, eUSCI_A1 UART transmit or SPI slave in master out, and LCD segment output S35."
      },
      {
        "number": "57",
        "name": "P3.6/PM_UCA2RXD/PM_UCA2SOMI/S34",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with mappable secondary function, eUSCI_A2 UART receive or SPI slave out master in, and LCD segment output S34."
      },
      {
        "number": "58",
        "name": "P3.7/PM_UCA2TXD/PM_UCA2SIMO/S33",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with mappable secondary function, eUSCI_A2 UART transmit or SPI slave in master out, and LCD segment output S33."
      },
      {
        "number": "59",
        "name": "P4.0/PM_UCA2CLK/S32",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with mappable secondary function, eUSCI_A2 clock input/output, and LCD segment output S32."
      },
      {
        "number": "60",
        "name": "P4.1/PM_UCA3RXD/PM_UCA3SOMI/S31",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with mappable secondary function, eUSCI_A3 UART receive or SPI slave out master in, and LCD segment output S31."
      },
      {
        "number": "61",
        "name": "P4.2/PM_UCA3TXD/PM_UCA3SIMO/S30",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with mappable secondary function, eUSCI_A3 UART transmit or SPI slave in master out, and LCD segment output S30."
      },
      {
        "number": "62",
        "name": "P4.3/PM_UCA3CLK/S29",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with mappable secondary function, eUSCI_A3 clock input/output, and LCD segment output S29."
      },
      {
        "number": "63",
        "name": "P4.4/PM_UCB1SOMI/PM_UCB1SCL/S28",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with mappable secondary function, eUSCI_B1 SPI/I2C, and LCD segment output S28."
      },
      {
        "number": "64",
        "name": "P4.5/PM_UCB1SIMO/PM_UCB1SDA/S27",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with mappable secondary function, eUSCI_B1 SPI/I2C data, and LCD segment output S27."
      },
      {
        "number": "65",
        "name": "P4.6/PM_UCB1CLK/S26",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with mappable secondary function, eUSCI_B1 clock input/output, and LCD segment output S26."
      },
      {
        "number": "66",
        "name": "P4.7/PM_TA3.0/S25",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with mappable secondary function, Timer TA3 CCR0 capture/compare, and LCD segment output S25."
      },
      {
        "number": "67",
        "name": "P5.0/SDCLK/S24",
        "type": "bidirectional",
        "description": "General-purpose digital I/O, SD24_B bit stream clock input/output, and LCD segment output S24."
      },
      {
        "number": "68",
        "name": "P5.1/PM_SD0DIO/S23",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with default mapping to SD24_B converter 0 bit stream data, and LCD segment output S23."
      },
      {
        "number": "69",
        "name": "P5.2/PM_SD1DIO/S22",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with default mapping to SD24_B converter 1 bit stream data, and LCD segment output S22."
      },
      {
        "number": "70",
        "name": "P5.3/PM_SD2DIO/S21",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with default mapping to SD24_B converter 2 bit stream data, and LCD segment output S21."
      },
      {
        "number": "71",
        "name": "P5.4/PM_SD3DIO/S20",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with default mapping to SD24_B converter 3 bit stream data, and LCD segment output S20."
      },
      {
        "number": "72",
        "name": "P5.5/PM_SD4DIO/S19",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with default mapping to SD24_B converter 4 bit stream data (not available on F674x1), and LCD segment output S19."
      },
      {
        "number": "73",
        "name": "P5.6/PM_SD5DIO/S18",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with default mapping to SD24_B converter 5 bit stream data (not available on F674x1), and LCD segment output S18."
      },
      {
        "number": "74",
        "name": "P5.7/PM_SD6DIO/S17",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with default mapping to SD24_B converter 6 bit stream data (not available on F676x1 and F674x1), and LCD segment output S17."
      },
      {
        "number": "75",
        "name": "VDSYS2",
        "type": "power_in",
        "description": "Digital power supply for I/Os; must be connected externally for proper device operation."
      },
      {
        "number": "76",
        "name": "DVSS2",
        "type": "power_in",
        "description": "Digital ground supply."
      },
      {
        "number": "77",
        "name": "P6.0/S16",
        "type": "bidirectional",
        "description": "General-purpose digital I/O and LCD segment output S16."
      },
      {
        "number": "78",
        "name": "P6.1/S15",
        "type": "bidirectional",
        "description": "General-purpose digital I/O and LCD segment output S15."
      },
      {
        "number": "79",
        "name": "P6.2/S14",
        "type": "bidirectional",
        "description": "General-purpose digital I/O and LCD segment output S14."
      },
      {
        "number": "80",
        "name": "P6.3/S13",
        "type": "bidirectional",
        "description": "General-purpose digital I/O and LCD segment output S13."
      },
      {
        "number": "81",
        "name": "P6.4/S12",
        "type": "bidirectional",
        "description": "General-purpose digital I/O and LCD segment output S12."
      },
      {
        "number": "82",
        "name": "P6.5/S11",
        "type": "bidirectional",
        "description": "General-purpose digital I/O and LCD segment output S11."
      },
      {
        "number": "83",
        "name": "P6.6/S10",
        "type": "bidirectional",
        "description": "General-purpose digital I/O and LCD segment output S10."
      },
      {
        "number": "84",
        "name": "P6.7/S9",
        "type": "bidirectional",
        "description": "General-purpose digital I/O and LCD segment output S9."
      },
      {
        "number": "85",
        "name": "P7.0/S8",
        "type": "bidirectional",
        "description": "General-purpose digital I/O and LCD segment output S8."
      },
      {
        "number": "86",
        "name": "P7.1/S7",
        "type": "bidirectional",
        "description": "General-purpose digital I/O and LCD segment output S7."
      },
      {
        "number": "87",
        "name": "P7.2/S6",
        "type": "bidirectional",
        "description": "General-purpose digital I/O and LCD segment output S6."
      },
      {
        "number": "88",
        "name": "P7.3/S5",
        "type": "bidirectional",
        "description": "General-purpose digital I/O and LCD segment output S5."
      },
      {
        "number": "89",
        "name": "P7.4/S4",
        "type": "bidirectional",
        "description": "General-purpose digital I/O and LCD segment output S4."
      },
      {
        "number": "90",
        "name": "P7.5/S3",
        "type": "bidirectional",
        "description": "General-purpose digital I/O and LCD segment output S3."
      },
      {
        "number": "91",
        "name": "P7.6/S2",
        "type": "bidirectional",
        "description": "General-purpose digital I/O and LCD segment output S2."
      },
      {
        "number": "92",
        "name": "P7.7/S1",
        "type": "bidirectional",
        "description": "General-purpose digital I/O and LCD segment output S1."
      },
      {
        "number": "93",
        "name": "P8.0/S0",
        "type": "bidirectional",
        "description": "General-purpose digital I/O and LCD segment output S0."
      },
      {
        "number": "94",
        "name": "P8.1/TACLK/RTCCLK/CB3",
        "type": "bidirectional",
        "description": "General-purpose digital I/O, timer clock input TACLK for TA0-TA3, RTC clock output, and Comparator_B input CB3."
      },
      {
        "number": "95",
        "name": "TEST/SBWTCK",
        "type": "input",
        "description": "Test mode pin to select digital I/O on JTAG pins or Spy-Bi-Wire clock input for programming."
      },
      {
        "number": "96",
        "name": "PJ.0/TDO",
        "type": "bidirectional",
        "description": "General-purpose digital I/O and JTAG test data output."
      },
      {
        "number": "97",
        "name": "PJ.1/TDI/TCLK",
        "type": "bidirectional",
        "description": "General-purpose digital I/O, JTAG test data input or test clock input."
      },
      {
        "number": "98",
        "name": "PJ.2/TMS",
        "type": "bidirectional",
        "description": "General-purpose digital I/O and JTAG test mode select input."
      },
      {
        "number": "99",
        "name": "PJ.3/TCK",
        "type": "bidirectional",
        "description": "General-purpose digital I/O and JTAG test clock input."
      },
      {
        "number": "100",
        "name": "RST/NMI/SBWTDIO",
        "type": "bidirectional",
        "description": "Reset input active low with internal pullup, 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-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 102,
        "cost_usd": 0.799,
        "at": "2026-10-03T08:01:55"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/msp430f67761",
        "pages": 179,
        "sha256": "22629dceb10bd286",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 100,
        "described": 100,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  }
}