TMS320F28035PNS

{
  "schema_version": 1,
  "type": "component",
  "slug": "tms320f28035pns",
  "title": "TMS320F28035PNS",
  "brief": "Texas Instruments Microcontrollers (MCU/MPU/SOC), LQFP-80(12x12). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "embedded processors & controllers",
    "tms320f28035pns",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TMS320F28035PNS",
    "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/tms320f28035",
    "parts": {
      "symbol": "tms320f28035pns.kicad_sym",
      "footprint": "tms320f28035pns.kicad_mod",
      "model_3d": "tms320f28035pns-hero.glb",
      "model_3d_plain": "tms320f28035pns.glb",
      "model_3d_step": "tms320f28035pns-etched.step",
      "model_3d_step_plain": "tms320f28035pns.step",
      "lbr": "tms320f28035pns.lbr"
    },
    "distributor_links": {
      "lcsc": 1337251,
      "digikey": "296-32763-ND",
      "mouser": "595-TMS320F28035PNS"
    },
    "distributor_check": {
      "checked_at": "2026-10-05T23:13:35Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-32763-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-TMS320F28035PNS",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GPIO22/EQEP1S/LINTXA",
        "type": "bidirectional",
        "description": "General-purpose I/O 22 (default), alternate eQEP1 strobe or LIN transmit A; internal pull-up selectable."
      },
      {
        "number": "2",
        "name": "GPIO32/SDAA/EPWMSYNCI/ADCSOCAO",
        "type": "bidirectional",
        "description": "General-purpose I/O 32 (default), alternate I2C data (open-drain), ePWM sync input or ADC start-of-conversion A output."
      },
      {
        "number": "3",
        "name": "GPIO33/SCLA/EPWMSYNCO/ADCSOCBO",
        "type": "bidirectional",
        "description": "General-purpose I/O 33 (default), alternate I2C clock (open-drain), ePWM sync output or ADC start-of-conversion B output."
      },
      {
        "number": "4",
        "name": "GPIO23/EQEP1I/LINRXA",
        "type": "bidirectional",
        "description": "General-purpose I/O 23 (default), alternate eQEP1 index or LIN receive A."
      },
      {
        "number": "5",
        "name": "GPIO42/COMP1OUT",
        "type": "bidirectional",
        "description": "General-purpose I/O 42 (default) or direct output of comparator 1."
      },
      {
        "number": "6",
        "name": "GPIO43/COMP2OUT",
        "type": "bidirectional",
        "description": "General-purpose I/O 43 (default) or direct output of comparator 2."
      },
      {
        "number": "7",
        "name": "VDD",
        "type": "power_in",
        "description": "CPU and logic digital power pin; with internal VREG place a 1.2 µF capacitor between each VDD pin and ground."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "9",
        "name": "XRS",
        "type": "bidirectional",
        "description": "Device reset input and watchdog reset output (open-drain with internal pull-up); use a 2.2 kΩ to 10 kΩ resistor to VDDIO and no more than 100 nF to VSS."
      },
      {
        "number": "10",
        "name": "TRST",
        "type": "input",
        "description": "JTAG test reset with internal pull-down; active high, must be held low during normal operation, external pull-down resistor required (typically 2.2 kΩ)."
      },
      {
        "number": "11",
        "name": "ADCINA7",
        "type": "input",
        "description": "ADC group A, channel 7 input."
      },
      {
        "number": "12",
        "name": "ADCINA6/COMP3A/AIO6",
        "type": "bidirectional",
        "description": "ADC group A channel 6 input, comparator 3A input or digital AIO6."
      },
      {
        "number": "13",
        "name": "ADCINA5",
        "type": "input",
        "description": "ADC group A, channel 5 input."
      },
      {
        "number": "14",
        "name": "ADCINA4/COMP2A/AIO4",
        "type": "bidirectional",
        "description": "ADC group A channel 4 input, comparator 2A input or digital AIO4."
      },
      {
        "number": "15",
        "name": "ADCINA3",
        "type": "input",
        "description": "ADC group A, channel 3 input."
      },
      {
        "number": "16",
        "name": "ADCINA2/COMP1A/AIO2",
        "type": "bidirectional",
        "description": "ADC group A channel 2 input, comparator 1A input or digital AIO2."
      },
      {
        "number": "17",
        "name": "ADCINA1",
        "type": "input",
        "description": "ADC group A, channel 1 input."
      },
      {
        "number": "18",
        "name": "ADCINA0",
        "type": "input",
        "description": "ADC group A, channel 0 input."
      },
      {
        "number": "19",
        "name": "VREFHI",
        "type": "input",
        "description": "ADC external reference high, used only in ADC external reference mode; must not exceed VDDA."
      },
      {
        "number": "20",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog power pin; connect a 2.2 µF (typical) capacitor near this pin; 2.97 V to 3.63 V recommended."
      },
      {
        "number": "21",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground pin."
      },
      {
        "number": "22",
        "name": "VREFLO",
        "type": "input",
        "description": "ADC external reference low."
      },
      {
        "number": "23",
        "name": "ADCINB0",
        "type": "input",
        "description": "ADC group B, channel 0 input."
      },
      {
        "number": "24",
        "name": "ADCINB1",
        "type": "input",
        "description": "ADC group B, channel 1 input."
      },
      {
        "number": "25",
        "name": "ADCINB2/COMP1B/AIO10",
        "type": "bidirectional",
        "description": "ADC group B channel 2 input, comparator 1B input or digital AIO10."
      },
      {
        "number": "26",
        "name": "ADCINB3",
        "type": "input",
        "description": "ADC group B, channel 3 input."
      },
      {
        "number": "27",
        "name": "ADCINB4/COMP2B/AIO12",
        "type": "bidirectional",
        "description": "ADC group B channel 4 input, comparator 2B input or digital AIO12."
      },
      {
        "number": "28",
        "name": "ADCINB5",
        "type": "input",
        "description": "ADC group B, channel 5 input."
      },
      {
        "number": "29",
        "name": "ADCINB6/COMP3B/AIO14",
        "type": "bidirectional",
        "description": "ADC group B channel 6 input, comparator 3B input or digital AIO14."
      },
      {
        "number": "30",
        "name": "ADCINB7",
        "type": "input",
        "description": "ADC group B, channel 7 input."
      },
      {
        "number": "31",
        "name": "GPIO27/HRCAP2/SPISTEB",
        "type": "bidirectional",
        "description": "General-purpose I/O 27 (default), alternate HRCAP2 input or SPI-B slave transmit enable."
      },
      {
        "number": "32",
        "name": "GPIO31/CANTXA",
        "type": "bidirectional",
        "description": "General-purpose I/O 31 (default) or CAN transmit."
      },
      {
        "number": "33",
        "name": "GPIO30/CANRXA",
        "type": "bidirectional",
        "description": "General-purpose I/O 30 (default) or CAN receive."
      },
      {
        "number": "34",
        "name": "GPIO29/SCITXDA/SCLA/TZ3",
        "type": "bidirectional",
        "description": "General-purpose I/O 29 (default), alternate SCI transmit, I2C clock (open-drain) or trip zone 3 input."
      },
      {
        "number": "35",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "36",
        "name": "VDDIO",
        "type": "power_in",
        "description": "Digital I/O buffer and Flash power pin; single supply when VREG enabled, 2.97 V to 3.63 V, decouple each pin."
      },
      {
        "number": "37",
        "name": "GPIO26/HRCAP1/SPICLKB",
        "type": "bidirectional",
        "description": "General-purpose I/O 26 (default), alternate HRCAP1 input or SPI-B clock."
      },
      {
        "number": "38",
        "name": "TEST2",
        "type": "bidirectional",
        "description": "Test pin reserved for TI; must be left unconnected."
      },
      {
        "number": "39",
        "name": "GPIO9/EPWM5B/LINTXA/HRCAP1",
        "type": "bidirectional",
        "description": "General-purpose I/O 9 (default), alternate ePWM5 output B, LIN transmit A or HRCAP1 input."
      },
      {
        "number": "40",
        "name": "GPIO28/SCIRXDA/SDAA/TZ2",
        "type": "bidirectional",
        "description": "General-purpose I/O 28 (default), alternate SCI receive, I2C data (open-drain) or trip zone 2 input."
      },
      {
        "number": "41",
        "name": "GPIO18/SPICLKA/LINTXA/XCLKOUT",
        "type": "bidirectional",
        "description": "General-purpose I/O 18 (default), alternate SPI-A clock, LIN transmit or XCLKOUT output clock."
      },
      {
        "number": "42",
        "name": "GPIO17/SPISOMIA/TZ3",
        "type": "bidirectional",
        "description": "General-purpose I/O 17 (default), alternate SPI-A slave out/master in or trip zone 3 input."
      },
      {
        "number": "43",
        "name": "GPIO8/EPWM5A/ADCSOCAO",
        "type": "bidirectional",
        "description": "General-purpose I/O 8 (default), alternate ePWM5 output A or ADC start-of-conversion A output."
      },
      {
        "number": "44",
        "name": "GPIO25/SPISOMIB",
        "type": "bidirectional",
        "description": "General-purpose I/O 25 (default) or SPI-B slave out/master in."
      },
      {
        "number": "45",
        "name": "GPIO44",
        "type": "bidirectional",
        "description": "General-purpose I/O 44."
      },
      {
        "number": "46",
        "name": "GPIO16/SPISIMOA/TZ2",
        "type": "bidirectional",
        "description": "General-purpose I/O 16 (default), alternate SPI-A slave in/master out or trip zone 2 input."
      },
      {
        "number": "47",
        "name": "GPIO12/TZ1/SCITXDA/SPISIMOB",
        "type": "bidirectional",
        "description": "General-purpose I/O 12 (default), alternate trip zone 1 input, SCI transmit or SPI-B slave in/master out."
      },
      {
        "number": "48",
        "name": "GPIO41/EPWM7B",
        "type": "bidirectional",
        "description": "General-purpose I/O 41 (default) or ePWM7 output B."
      },
      {
        "number": "49",
        "name": "GPIO7/EPWM4B/SCIRXDA",
        "type": "bidirectional",
        "description": "General-purpose I/O 7 (default), alternate ePWM4 output B or SCI receive."
      },
      {
        "number": "50",
        "name": "GPIO6/EPWM4A/EPWMSYNCI/EPWMSYNCO",
        "type": "bidirectional",
        "description": "General-purpose I/O 6 (default), alternate ePWM4 output A, external ePWM sync input or output."
      },
      {
        "number": "51",
        "name": "X2",
        "type": "output",
        "description": "On-chip 1.8 V crystal oscillator output; connect crystal/resonator between X1 and X2, leave unconnected if unused."
      },
      {
        "number": "52",
        "name": "X1",
        "type": "input",
        "description": "1.8 V on-chip crystal oscillator input; connect to GND if unused, never apply 3.3 V."
      },
      {
        "number": "53",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "54",
        "name": "VDD",
        "type": "power_in",
        "description": "CPU and logic digital power pin; with internal VREG place a 1.2 µF capacitor between each VDD pin and ground."
      },
      {
        "number": "55",
        "name": "GPIO19/XCLKIN/SPISTEA/LINRXA/ECAP1",
        "type": "bidirectional",
        "description": "General-purpose I/O 19 (default), alternate external oscillator input, SPI-A slave transmit enable, LIN receive or eCAP1."
      },
      {
        "number": "56",
        "name": "GPIO39",
        "type": "bidirectional",
        "description": "General-purpose I/O 39."
      },
      {
        "number": "57",
        "name": "GPIO38/TCK/XCLKIN",
        "type": "bidirectional",
        "description": "General-purpose I/O 38 (default), JTAG test clock input with internal pull-up, or external oscillator input."
      },
      {
        "number": "58",
        "name": "GPIO37/TDO",
        "type": "bidirectional",
        "description": "General-purpose I/O 37 (default) or JTAG test data output (8 mA drive); also boot-mode select pin."
      },
      {
        "number": "59",
        "name": "GPIO35/TDI",
        "type": "bidirectional",
        "description": "General-purpose I/O 35 (default) or JTAG test data input with internal pull-up."
      },
      {
        "number": "60",
        "name": "GPIO36/TMS",
        "type": "bidirectional",
        "description": "General-purpose I/O 36 (default) or JTAG test mode select with internal pull-up."
      },
      {
        "number": "61",
        "name": "GPIO11/EPWM6B/LINRXA/HRCAP2",
        "type": "bidirectional",
        "description": "General-purpose I/O 11 (default), alternate ePWM6 output B, LIN receive or HRCAP2 input."
      },
      {
        "number": "62",
        "name": "GPIO5/EPWM3B/SPISIMOA/ECAP1",
        "type": "bidirectional",
        "description": "General-purpose I/O 5 (default), alternate ePWM3 output B, SPI-A slave in/master out or eCAP1."
      },
      {
        "number": "63",
        "name": "GPIO4/EPWM3A",
        "type": "bidirectional",
        "description": "General-purpose I/O 4 (default) or ePWM3 output A with HRPWM channel."
      },
      {
        "number": "64",
        "name": "GPIO40/EPWM7A",
        "type": "bidirectional",
        "description": "General-purpose I/O 40 (default) or ePWM7 output A with HRPWM channel."
      },
      {
        "number": "65",
        "name": "GPIO10/EPWM6A/ADCSOCBO",
        "type": "bidirectional",
        "description": "General-purpose I/O 10 (default), alternate ePWM6 output A or ADC start-of-conversion B output."
      },
      {
        "number": "66",
        "name": "GPIO3/EPWM2B/SPISOMIA/COMP2OUT",
        "type": "bidirectional",
        "description": "General-purpose I/O 3 (default), alternate ePWM2 output B, SPI-A slave out/master in or comparator 2 output."
      },
      {
        "number": "67",
        "name": "GPIO2/EPWM2A",
        "type": "bidirectional",
        "description": "General-purpose I/O 2 (default) or ePWM2 output A with HRPWM channel."
      },
      {
        "number": "68",
        "name": "GPIO1/EPWM1B/COMP1OUT",
        "type": "bidirectional",
        "description": "General-purpose I/O 1 (default), alternate ePWM1 output B or comparator 1 direct output."
      },
      {
        "number": "69",
        "name": "GPIO0/EPWM1A",
        "type": "bidirectional",
        "description": "General-purpose I/O 0 (default) or ePWM1 output A with HRPWM channel."
      },
      {
        "number": "70",
        "name": "VDDIO",
        "type": "power_in",
        "description": "Digital I/O buffer and Flash power pin; single supply when VREG enabled, 2.97 V to 3.63 V, decouple each pin."
      },
      {
        "number": "71",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "72",
        "name": "VDD",
        "type": "power_in",
        "description": "CPU and logic digital power pin; with internal VREG place a 1.2 µF capacitor between each VDD pin and ground."
      },
      {
        "number": "73",
        "name": "VREGENZ",
        "type": "input",
        "description": "Internal VREG enable with internal pull-down; tie to VSS to enable the internal 1.8 V VREG, to VDDIO to disable it and use external 1.8 V."
      },
      {
        "number": "74",
        "name": "GPIO34/COMP2OUT/COMP3OUT",
        "type": "bidirectional",
        "description": "General-purpose I/O 34 (default), comparator 2 or 3 direct output; boot-mode select pin."
      },
      {
        "number": "75",
        "name": "GPIO15/TZ1/LINRXA/SPISTEB",
        "type": "bidirectional",
        "description": "General-purpose I/O 15 (default), alternate trip zone 1 input, LIN receive or SPI-B slave transmit enable."
      },
      {
        "number": "76",
        "name": "GPIO13/TZ2/SPISOMIB",
        "type": "bidirectional",
        "description": "General-purpose I/O 13 (default), alternate trip zone 2 input or SPI-B slave out/master in."
      },
      {
        "number": "77",
        "name": "GPIO14/TZ3/LINTXA/SPICLKB",
        "type": "bidirectional",
        "description": "General-purpose I/O 14 (default), alternate trip zone 3 input, LIN transmit or SPI-B clock."
      },
      {
        "number": "78",
        "name": "GPIO20/EQEP1A/COMP1OUT",
        "type": "bidirectional",
        "description": "General-purpose I/O 20 (default), alternate eQEP1 input A or comparator 1 direct output."
      },
      {
        "number": "79",
        "name": "GPIO21/EQEP1B/COMP2OUT",
        "type": "bidirectional",
        "description": "General-purpose I/O 21 (default), alternate eQEP1 input B or comparator 2 direct output."
      },
      {
        "number": "80",
        "name": "GPIO24/ECAP1/SPISIMOB",
        "type": "bidirectional",
        "description": "General-purpose I/O 24 (default), alternate eCAP1 or SPI-B slave in/master out."
      }
    ],
    "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": [
          "extractor flagged: Pin 59 (ADCINA0) and Pin 60 (VREFHI) share the same physical pin on the 80-pin LQFP package and cann; Pin 68 (SPISTEA) appears as a dedicated output label separate from GPIO19 alternative function; sugg",
          "3/80 pins cited to the wrong page (name found elsewhere): ['8:GPIO29/SCITXDA/SCLA/TZ3@p18', '74:GPIO7/EPWM4B/SCIRXDA@p15', '75:GPIO41/EPWM7B@p19']"
        ],
        "pages_sent": 120,
        "cost_usd": 0.9854,
        "at": "2026-10-05T23:13:03"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tms320f28035",
        "pages": 176,
        "sha256": "cb9ccecfd6b5c484",
        "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"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "LQFP-80(12x12)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "80"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tms320f28035pns"
  ],
  "discovery_pitch": "TMS320F28035PNS (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
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    "tms320f28035pns.step",
    "tms320f28035pns.lbr",
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    "docs/tms320f28035pns-datasheet.pdf",
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    "tms320f28035pns-hero.overlay.json"
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  "visibility": {
    "public": true
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}