MSP430F5521IPNR

{
  "slug": "msp430f5521ipnr",
  "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",
    "msp430f5521ipnr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "msp430f5521ipnr.kicad_sym",
    "msp430f5521ipnr.kicad_mod",
    "msp430f5521ipnr.glb",
    "msp430f5521ipnr.step",
    "msp430f5521ipnr.lbr",
    "docs/hero.png",
    "docs/msp430f5521ipnr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "msp430f5521ipnr-hero.glb",
    "msp430f5521ipnr-hero.overlay.json"
  ],
  "component": {
    "mpn": "MSP430F5521IPNR",
    "manufacturer": "Texas Instruments",
    "package": "LQFP-80(12x12)",
    "pin_count": 80,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "http://www.ti.com/cn/lit/gpn/msp430f5524",
    "parts": {
      "symbol": "msp430f5521ipnr.kicad_sym",
      "footprint": "msp430f5521ipnr.kicad_mod",
      "model_3d": "msp430f5521ipnr-hero.glb",
      "model_3d_plain": "msp430f5521ipnr.glb",
      "model_3d_step": "msp430f5521ipnr-etched.step",
      "model_3d_step_plain": "msp430f5521ipnr.step",
      "lbr": "msp430f5521ipnr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2052780",
      "digikey": "296-27303-2-ND",
      "mouser": "595-MSP430F5521IPNR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T14:51:53Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-27303-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-MSP430F5521IPNR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "P6.4/CB4/A4",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with Comparator_B input CB4 and ADC12 analog input A4."
      },
      {
        "number": "2",
        "name": "P6.5/CB5/A5",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with Comparator_B input CB5 and ADC12 analog input A5."
      },
      {
        "number": "3",
        "name": "P6.6/CB6/A6",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with Comparator_B input CB6 and ADC12 analog input A6."
      },
      {
        "number": "4",
        "name": "P6.7/CB7/A7",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with Comparator_B input CB7 and ADC12 analog input A7."
      },
      {
        "number": "5",
        "name": "P7.0/CB8/A12",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with Comparator_B input CB8 and ADC12 analog input A12."
      },
      {
        "number": "6",
        "name": "P7.1/CB9/A13",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with Comparator_B input CB9 and ADC12 analog input A13."
      },
      {
        "number": "7",
        "name": "P7.2/CB10/A14",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with Comparator_B input CB10 and ADC12 analog input A14."
      },
      {
        "number": "8",
        "name": "P7.3/CB11/A15",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with Comparator_B input CB11 and ADC12 analog input A15."
      },
      {
        "number": "9",
        "name": "P5.0/A8/VREF+/VeREF+",
        "type": "bidirectional",
        "description": "General-purpose digital I/O that also carries ADC12 analog input A8 and the ADC reference: VREF+ output or VeREF+ external reference input."
      },
      {
        "number": "10",
        "name": "P5.1/A9/VREF-/VeREF-",
        "type": "bidirectional",
        "description": "General-purpose digital I/O that also carries ADC12 analog input A9 and the negative ADC reference: VREF- output or VeREF- external reference input."
      },
      {
        "number": "11",
        "name": "AVCC1",
        "type": "power_in",
        "description": "Analog power supply."
      },
      {
        "number": "12",
        "name": "P5.4/XIN",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; input terminal for crystal oscillator XT1 when crystal or bypass mode is selected."
      },
      {
        "number": "13",
        "name": "P5.5/XOUT",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; output terminal of crystal oscillator XT1 when crystal mode is selected."
      },
      {
        "number": "14",
        "name": "AVSS1",
        "type": "power_in",
        "description": "Analog ground supply."
      },
      {
        "number": "15",
        "name": "P8.0",
        "type": "bidirectional",
        "description": "General-purpose digital I/O (Port P8 is reduced to 3 bits in 80-pin packages)."
      },
      {
        "number": "16",
        "name": "P8.1",
        "type": "bidirectional",
        "description": "General-purpose digital I/O (Port P8 is reduced to 3 bits in 80-pin packages)."
      },
      {
        "number": "17",
        "name": "P8.2",
        "type": "bidirectional",
        "description": "General-purpose digital I/O (Port P8 is reduced to 3 bits in 80-pin packages)."
      },
      {
        "number": "18",
        "name": "DVCC1",
        "type": "power_in",
        "description": "Digital power supply."
      },
      {
        "number": "19",
        "name": "DVSS1",
        "type": "power_in",
        "description": "Digital ground supply."
      },
      {
        "number": "20",
        "name": "VCORE",
        "type": "power_out",
        "description": "Regulated core power supply output for internal use only; no external current loading is possible, so connect only the recommended VCORE capacitor."
      },
      {
        "number": "21",
        "name": "P1.0/TA0CLK/ACLK",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt; TA0 clock input TA0CLK, or ACLK output divided by 1, 2, 4, 8, 16 or 32."
      },
      {
        "number": "22",
        "name": "P1.1/TA0.0",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt; TA0 CCR0 capture input CCI0A or compare output Out0, and BSL transmit output."
      },
      {
        "number": "23",
        "name": "P1.2/TA0.1",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt; TA0 CCR1 capture input CCI1A or compare output Out1, and BSL receive input."
      },
      {
        "number": "24",
        "name": "P1.3/TA0.2",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt; TA0 CCR2 capture input CCI2A or compare output Out2."
      },
      {
        "number": "25",
        "name": "P1.4/TA0.3",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt; TA0 CCR3 capture input CCI3A or compare output Out3."
      },
      {
        "number": "26",
        "name": "P1.5/TA0.4",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt; TA0 CCR4 capture input CCI4A or compare output Out4."
      },
      {
        "number": "27",
        "name": "P1.6/TA1CLK/CBOUT",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt; TA1 clock input TA1CLK or Comparator_B output CBOUT."
      },
      {
        "number": "28",
        "name": "P1.7/TA1.0",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt; TA1 CCR0 capture input CCI0A or compare output Out0."
      },
      {
        "number": "29",
        "name": "P2.0/TA1.1",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt; TA1 CCR1 capture input CCI1A or compare output Out1."
      },
      {
        "number": "30",
        "name": "P2.1/TA1.2",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt; TA1 CCR2 capture input CCI2A or compare output Out2."
      },
      {
        "number": "31",
        "name": "P2.2/TA2CLK/SMCLK",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt; TA2 clock input TA2CLK or SMCLK output."
      },
      {
        "number": "32",
        "name": "P2.3/TA2.0",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt; TA2 CCR0 capture input CCI0A or compare output Out0."
      },
      {
        "number": "33",
        "name": "P2.4/TA2.1",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt; TA2 CCR1 capture input CCI1A or compare output Out1."
      },
      {
        "number": "34",
        "name": "P2.5/TA2.2",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt; TA2 CCR2 capture input CCI2A or compare output Out2."
      },
      {
        "number": "35",
        "name": "P2.6/RTCCLK/DMAE0",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt; RTC clock output for calibration or DMA external trigger input DMAE0."
      },
      {
        "number": "36",
        "name": "P2.7/UCB0STE/UCA0CLK",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with port interrupt; USCI_B0 SPI slave transmit enable, or USCI_A0 clock input/output in SPI mode."
      },
      {
        "number": "37",
        "name": "P3.0/UCB0SIMO/UCB0SDA",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; USCI_B0 SPI slave-in/master-out, or USCI_B0 I2C data."
      },
      {
        "number": "38",
        "name": "P3.1/UCB0SOMI/UCB0SCL",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; USCI_B0 SPI slave-out/master-in, or USCI_B0 I2C clock."
      },
      {
        "number": "39",
        "name": "P3.2/UCB0CLK/UCA0STE",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; USCI_B0 SPI clock input/output, or USCI_A0 SPI slave transmit enable."
      },
      {
        "number": "40",
        "name": "P3.3/UCA0TXD/UCA0SIMO",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; USCI_A0 UART transmit data, or USCI_A0 SPI slave-in/master-out."
      },
      {
        "number": "41",
        "name": "P3.4/UCA0RXD/UCA0SOMI",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; USCI_A0 UART receive data, or USCI_A0 SPI slave-out/master-in."
      },
      {
        "number": "42",
        "name": "P3.5/TB0.5",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; TB0 CCR5 capture input CCI5A or compare output Out5."
      },
      {
        "number": "43",
        "name": "P3.6/TB0.6",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; TB0 CCR6 capture input CCI6A or compare output Out6."
      },
      {
        "number": "44",
        "name": "P3.7/TB0OUTH/SVMOUT",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; TB0OUTH switches all TB0 PWM outputs to high impedance, or SVM output SVMOUT."
      },
      {
        "number": "45",
        "name": "P4.0/PM_UCB1STE/PM_UCA1CLK",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with reconfigurable port mapping; default mapping is USCI_B1 SPI slave transmit enable or USCI_A1 clock input/output."
      },
      {
        "number": "46",
        "name": "P4.1/PM_UCB1SIMO/PM_UCB1SDA",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with reconfigurable port mapping; default mapping is USCI_B1 SPI slave-in/master-out or USCI_B1 I2C data."
      },
      {
        "number": "47",
        "name": "P4.2/PM_UCB1SOMI/PM_UCB1SCL",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with reconfigurable port mapping; default mapping is USCI_B1 SPI slave-out/master-in or USCI_B1 I2C clock."
      },
      {
        "number": "48",
        "name": "P4.3/PM_UCB1CLK/PM_UCA1STE",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with reconfigurable port mapping; default mapping is USCI_B1 SPI clock input/output or USCI_A1 SPI slave transmit enable."
      },
      {
        "number": "49",
        "name": "DVSS2",
        "type": "power_in",
        "description": "Digital ground supply."
      },
      {
        "number": "50",
        "name": "DVCC2",
        "type": "power_in",
        "description": "Digital power supply."
      },
      {
        "number": "51",
        "name": "P4.4/PM_UCA1TXD/PM_UCA1SIMO",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with reconfigurable port mapping; default mapping is USCI_A1 UART transmit data or USCI_A1 SPI slave-in/master-out."
      },
      {
        "number": "52",
        "name": "P4.5/PM_UCA1RXD/PM_UCA1SOMI",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with reconfigurable port mapping; default mapping is USCI_A1 UART receive data or USCI_A1 SPI slave-out/master-in."
      },
      {
        "number": "53",
        "name": "P4.6/PM_NONE",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with reconfigurable port mapping; default mapping has no secondary function."
      },
      {
        "number": "54",
        "name": "P4.7/PM_NONE",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with reconfigurable port mapping; default mapping has no secondary function."
      },
      {
        "number": "55",
        "name": "P5.6/TB0.0",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; TB0 CCR0 capture input CCI0A or compare output Out0."
      },
      {
        "number": "56",
        "name": "P5.7/TB0.1",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; TB0 CCR1 capture input CCI1A or compare output Out1."
      },
      {
        "number": "57",
        "name": "P7.4/TB0.2",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; TB0 CCR2 capture input CCI2A or compare output Out2."
      },
      {
        "number": "58",
        "name": "P7.5/TB0.3",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; TB0 CCR3 capture input CCI3A or compare output Out3."
      },
      {
        "number": "59",
        "name": "P7.6/TB0.4",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; TB0 CCR4 capture input CCI4A or compare output Out4."
      },
      {
        "number": "60",
        "name": "P7.7/TB0CLK/MCLK",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; TB0 clock input TBCLK or MCLK output."
      },
      {
        "number": "61",
        "name": "VSSU",
        "type": "power_in",
        "description": "USB PHY ground supply."
      },
      {
        "number": "62",
        "name": "PU.0/DP",
        "type": "bidirectional",
        "description": "General-purpose digital I/O controlled by the USB control register; USB data terminal DP."
      },
      {
        "number": "63",
        "name": "PUR",
        "type": "bidirectional",
        "description": "USB pullup resistor pin (open drain); its voltage level selects the default USB BSL, and a 1-MΩ resistor to ground is recommended."
      },
      {
        "number": "64",
        "name": "PU.1/DM",
        "type": "bidirectional",
        "description": "General-purpose digital I/O controlled by the USB control register; USB data terminal DM."
      },
      {
        "number": "65",
        "name": "VBUS",
        "type": "power_in",
        "description": "USB LDO input; connect to the USB power source."
      },
      {
        "number": "66",
        "name": "VUSB",
        "type": "power_out",
        "description": "USB LDO output."
      },
      {
        "number": "67",
        "name": "V18",
        "type": "power_out",
        "description": "USB regulated power for internal use only; no external current loading."
      },
      {
        "number": "68",
        "name": "AVSS2",
        "type": "power_in",
        "description": "Analog ground supply."
      },
      {
        "number": "69",
        "name": "P5.2/XT2IN",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; input terminal for crystal oscillator XT2."
      },
      {
        "number": "70",
        "name": "P5.3/XT2OUT",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; output terminal of crystal oscillator XT2."
      },
      {
        "number": "71",
        "name": "TEST/SBWTCK",
        "type": "input",
        "description": "Test mode pin that selects 4-wire JTAG operation; Spy-Bi-Wire input clock when Spy-Bi-Wire is active."
      },
      {
        "number": "72",
        "name": "PJ.0/TDO",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; JTAG test data output port."
      },
      {
        "number": "73",
        "name": "PJ.1/TDI/TCLK",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; JTAG test data input and test clock input."
      },
      {
        "number": "74",
        "name": "PJ.2/TMS",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; JTAG test mode select."
      },
      {
        "number": "75",
        "name": "PJ.3/TCK",
        "type": "bidirectional",
        "description": "General-purpose digital I/O; JTAG test clock."
      },
      {
        "number": "76",
        "name": "RST/NMI/SBWTDIO",
        "type": "bidirectional",
        "description": "Active-low reset input (internal pullup enabled by default when used as reset), nonmaskable interrupt input, and Spy-Bi-Wire data input/output."
      },
      {
        "number": "77",
        "name": "P6.0/CB0/A0",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with Comparator_B input CB0 and ADC12 analog input A0."
      },
      {
        "number": "78",
        "name": "P6.1/CB1/A1",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with Comparator_B input CB1 and ADC12 analog input A1."
      },
      {
        "number": "79",
        "name": "P6.2/CB2/A2",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with Comparator_B input CB2 and ADC12 analog input A2."
      },
      {
        "number": "80",
        "name": "P6.3/CB3/A3",
        "type": "bidirectional",
        "description": "General-purpose digital I/O with Comparator_B input CB3 and ADC12 analog input A3."
      }
    ],
    "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-to-number mapping taken from the PN column of Table 4-1 (pages 15-19) and cross-checked against ; Pin types are the datasheet's I/O designations mapped to KiCad classes. Multiplexed port pins are ma; Pin descriptions are condensed to one sentence each from the Table 4-1 signal descriptions. Electric"
        ],
        "pages_sent": 64,
        "cost_usd": 0.4219,
        "at": "2026-10-08T14:51:20"
      },
      "datasheet": {
        "url": "http://www.ti.com/cn/lit/gpn/msp430f5524",
        "pages": 143,
        "sha256": "50bf3d1f5e7fb9ee",
        "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": "msp430f5521ipnr.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": "msp430f5521ipnr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "af9846014b9efad53d69a338bb4204d31103c960d6c618b4f21ec6fc0f943acb",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}