TMS320F28033PAGQ

{
  "schema_version": 1,
  "type": "component",
  "slug": "tms320f28033pagq",
  "title": "TMS320F28033PAGQ",
  "brief": "Texas Instruments Microcontrollers (MCU/MPU/SOC), TQFP-64(10x10). 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",
    "tms320f28033pagq",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TMS320F28033PAGQ",
    "manufacturer": "Texas Instruments",
    "package": "TQFP-64(10x10)",
    "pin_count": 64,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tms320f28033",
    "parts": {
      "symbol": "tms320f28033pagq.kicad_sym",
      "footprint": "tms320f28033pagq.kicad_mod",
      "model_3d": "tms320f28033pagq-hero.glb",
      "model_3d_plain": "tms320f28033pagq.glb",
      "model_3d_step": "tms320f28033pagq-etched.step",
      "model_3d_step_plain": "tms320f28033pagq.step",
      "lbr": "tms320f28033pagq.lbr"
    },
    "distributor_links": {
      "lcsc": "C1343884",
      "digikey": "TMS320F28033PAGQ-ND",
      "mouser": "595-TMS320F28033PAGQ"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T21:51:32Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "TMS320F28033PAGQ-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-TMS320F28033PAGQ",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GPIO22/EQEP1S/LINTXA",
        "type": "bidirectional",
        "description": "General-purpose I/O 22 (default GPIO) with internal pull-up enabled after reset; alternate functions are eQEP1 strobe (I/O) and LIN transmit (output)."
      },
      {
        "number": "2",
        "name": "GPIO32/SDAA/EPWMSYNCI/ADCSOCAO",
        "type": "bidirectional",
        "description": "General-purpose I/O 32 with internal pull-up enabled after reset; when selected as I2C-A SDA it is an open-drain bidirectional port, with alternate EPWMSYNCI input and ADCSOCAO output."
      },
      {
        "number": "3",
        "name": "GPIO33/SCLA/EPWMSYNCO/ADCSOCBO",
        "type": "bidirectional",
        "description": "General-purpose I/O 33 with internal pull-up enabled after reset; when selected as I2C-A SCL it is an open-drain bidirectional port, with alternate EPWMSYNCO and ADCSOCBO outputs."
      },
      {
        "number": "4",
        "name": "GPIO23/EQEP1I/LINRXA",
        "type": "bidirectional",
        "description": "General-purpose I/O 23 with internal pull-up enabled after reset; alternate functions are eQEP1 index (I/O) and LIN receive (input)."
      },
      {
        "number": "5",
        "name": "VDD",
        "type": "power_in",
        "description": "CPU and logic digital supply; when the internal VREG is used, place a 1.2 µF (minimum) capacitor between each VDD pin and ground as close as possible to the pin."
      },
      {
        "number": "6",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "7",
        "name": "XRS",
        "type": "bidirectional",
        "description": "Device reset input and watchdog reset output on an open-drain pin with internal pull-up; connect a 2.2 kΩ to 10 kΩ resistor between XRS and VDDIO, and any noise capacitor to VSS must be 100 nF or less."
      },
      {
        "number": "8",
        "name": "TRST",
        "type": "input",
        "description": "JTAG test reset with internal pull-down; it must be held low during normal operation and an external pull-up (about 2.2 kΩ typical, to be verified per debugger) is required."
      },
      {
        "number": "9",
        "name": "ADCINA7",
        "type": "input",
        "description": "ADC group A channel 7 analog input."
      },
      {
        "number": "10",
        "name": "ADCINA6/COMP3A/AIO6",
        "type": "bidirectional",
        "description": "ADC group A channel 6 analog input, also comparator 3A input and digital AIO6; AIO pins have no internal pull-up and digital function is disabled by default at reset."
      },
      {
        "number": "11",
        "name": "ADCINA4/COMP2A/AIO4",
        "type": "bidirectional",
        "description": "ADC group A channel 4 analog input, also comparator 2A input and digital AIO4; AIO pins have no internal pull-up and digital function is disabled by default at reset."
      },
      {
        "number": "12",
        "name": "ADCINA3",
        "type": "input",
        "description": "ADC group A channel 3 analog input."
      },
      {
        "number": "13",
        "name": "ADCINA2/COMP1A/AIO2",
        "type": "bidirectional",
        "description": "ADC group A channel 2 analog input, also comparator 1A input and digital AIO2; AIO pins have no internal pull-up and digital function is disabled by default at reset."
      },
      {
        "number": "14",
        "name": "ADCINA1",
        "type": "input",
        "description": "ADC group A channel 1 analog input."
      },
      {
        "number": "15",
        "name": "ADCINA0/VREFHI",
        "type": "input",
        "description": "ADC group A channel 0 analog input, shared with the ADC external high reference VREFHI (external reference mode only) so the two cannot be used simultaneously; VREFHI must not exceed VDDA in internal or external reference modes."
      },
      {
        "number": "16",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply, 2.97 V to 3.63 V (3.3 V nominal); place a 2.2 µF capacitor (typical) near this pin."
      },
      {
        "number": "17",
        "name": "VSSA/VREFLO",
        "type": "power_in",
        "description": "Analog ground; the ADC external low reference VREFLO is always connected to VSSA on the PAG package."
      },
      {
        "number": "18",
        "name": "ADCINB0",
        "type": "input",
        "description": "ADC group B channel 0 analog input."
      },
      {
        "number": "19",
        "name": "ADCINB1",
        "type": "input",
        "description": "ADC group B channel 1 analog input."
      },
      {
        "number": "20",
        "name": "ADCINB2/COMP1B/AIO10",
        "type": "bidirectional",
        "description": "ADC group B channel 2 analog input, also comparator 1B input and digital AIO10; AIO pins have no internal pull-up."
      },
      {
        "number": "21",
        "name": "ADCINB3",
        "type": "input",
        "description": "ADC group B channel 3 analog input."
      },
      {
        "number": "22",
        "name": "ADCINB4/COMP2B/AIO12",
        "type": "bidirectional",
        "description": "ADC group B channel 4 analog input, also comparator 2B input and digital AIO12; AIO pins have no internal pull-up."
      },
      {
        "number": "23",
        "name": "ADCINB6/COMP3B/AIO14",
        "type": "bidirectional",
        "description": "ADC group B channel 6 analog input, also comparator 3B input and digital AIO14; AIO pins have no internal pull-up."
      },
      {
        "number": "24",
        "name": "ADCINB7",
        "type": "input",
        "description": "ADC group B channel 7 analog input."
      },
      {
        "number": "25",
        "name": "GPIO31/CANTXA",
        "type": "bidirectional",
        "description": "General-purpose I/O 31 with internal pull-up enabled after reset; alternate function is eCAN-A transmit output (CANTXA)."
      },
      {
        "number": "26",
        "name": "GPIO30/CANRXA",
        "type": "bidirectional",
        "description": "General-purpose I/O 30 with internal pull-up enabled after reset; alternate function is eCAN-A receive input (CANRXA)."
      },
      {
        "number": "27",
        "name": "GPIO29/SCITXDA/SCLA/TZ3",
        "type": "bidirectional",
        "description": "General-purpose I/O 29 (Group 2, 8 mA drive) with internal pull-up enabled after reset; alternate functions are SCI-A transmit, I2C-A SCL (open-drain) and trip-zone input TZ3."
      },
      {
        "number": "28",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "29",
        "name": "VDDIO",
        "type": "power_in",
        "description": "Digital I/O buffer and flash supply, 2.97 V to 3.63 V (3.3 V nominal); place a decoupling capacitor on this pin, value set by the system regulator solution."
      },
      {
        "number": "30",
        "name": "TEST2",
        "type": "bidirectional",
        "description": "Reserved for TI testing; must be left unconnected."
      },
      {
        "number": "31",
        "name": "GPIO9/EPWM5B/LINTXA/HRCAP1",
        "type": "bidirectional",
        "description": "General-purpose I/O 9 with internal pull-up enabled after reset; alternate functions are ePWM5B output, LIN transmit output and high-resolution capture input HRCAP1."
      },
      {
        "number": "32",
        "name": "GPIO28/SCIRXDA/SDAA/TZ2",
        "type": "bidirectional",
        "description": "General-purpose I/O 28 (Group 2, 8 mA drive) with internal pull-up enabled after reset; alternate functions are SCI-A receive, I2C-A SDA (open-drain) and trip-zone input TZ2."
      },
      {
        "number": "33",
        "name": "GPIO18/SPICLKA/LINTXA/XCLKOUT",
        "type": "bidirectional",
        "description": "General-purpose I/O 18 (Group 2, 8 mA drive) with internal pull-up enabled after reset; alternate functions are SPI-A clock, LIN transmit and XCLKOUT (SYSCLKOUT divided by 1, 2 or 4)."
      },
      {
        "number": "34",
        "name": "GPIO17/SPISOMIA/TZ3",
        "type": "bidirectional",
        "description": "General-purpose I/O 17 with internal pull-up enabled after reset; alternate functions are SPI-A slave output/master input and trip-zone input TZ3."
      },
      {
        "number": "35",
        "name": "GPIO8/EPWM5A/ADCSOCAO",
        "type": "bidirectional",
        "description": "General-purpose I/O 8 with internal pull-up disabled at reset on PWM pins; alternate functions are ePWM5A output (with HRPWM) and ADC start-of-conversion output ADCSOCAO."
      },
      {
        "number": "36",
        "name": "GPIO16/SPISIMOA/TZ2",
        "type": "bidirectional",
        "description": "General-purpose I/O 16 (Group 2, 8 mA drive) with internal pull-up enabled after reset; alternate functions are SPI-A slave input/master output and trip-zone input TZ2."
      },
      {
        "number": "37",
        "name": "GPIO12/TZ1/SCITXDA",
        "type": "bidirectional",
        "description": "General-purpose I/O 12 with internal pull-up enabled after reset; alternate functions are trip-zone input TZ1 and SCI-A transmit output (the SPISIMOB alternate is not available on the PAG package)."
      },
      {
        "number": "38",
        "name": "GPIO7/EPWM4B/SCIRXDA",
        "type": "bidirectional",
        "description": "General-purpose I/O 7 with internal pull-up enabled after reset; alternate functions are ePWM4B output and SCI-A receive input."
      },
      {
        "number": "39",
        "name": "GPIO6/EPWM4A/EPWMSYNCI/EPWMSYNCO",
        "type": "bidirectional",
        "description": "General-purpose I/O 6 with internal pull-up disabled at reset on PWM pins; alternate functions are ePWM4A output (with HRPWM), external sync input EPWMSYNCI and sync output EPWMSYNCO."
      },
      {
        "number": "40",
        "name": "X2",
        "type": "output",
        "description": "On-chip crystal oscillator output; a crystal or ceramic resonator must be connected between X1 and X2, and X2 must be left unconnected if unused."
      },
      {
        "number": "41",
        "name": "X1",
        "type": "input",
        "description": "1.8 V on-chip crystal oscillator input that must never be driven with a 3.3 V signal; it must be tied to GND if unused and is not a single-ended clock input."
      },
      {
        "number": "42",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "43",
        "name": "VDD",
        "type": "power_in",
        "description": "CPU and logic digital supply; when the internal VREG is used, place a 1.2 µF (minimum) capacitor between this pin and ground."
      },
      {
        "number": "44",
        "name": "GPIO19/XCLKIN/SPISTEA/LINRXA/ECAP1",
        "type": "bidirectional",
        "description": "General-purpose I/O 19 (Group 2, 8 mA drive) with internal pull-up enabled after reset; alternate function XCLKIN external oscillator input is not controlled by the mux and must not be enabled as a clock path if used for other functions, and other alternates are SPI-A STE, LIN receive and eCAP1."
      },
      {
        "number": "45",
        "name": "GPIO38/TCK/XCLKIN",
        "type": "bidirectional",
        "description": "General-purpose I/O 38 with JTAG test clock TCK input (internal pull-up) and XCLKIN external oscillator input; the default XCLKIN source, and the XCLKIN path must be disabled during JTAG debug to avoid TCK contention."
      },
      {
        "number": "46",
        "name": "GPIO37/TDO",
        "type": "bidirectional",
        "description": "General-purpose I/O 37 (Group 2, 8 mA drive) that is the JTAG scan data output TDO; glitches may occur on power-up when the internal VREG is used."
      },
      {
        "number": "47",
        "name": "GPIO35/TDI",
        "type": "bidirectional",
        "description": "General-purpose I/O 35 that is the JTAG test data input TDI with internal pull-up; glitches may occur on power-up when the internal VREG is used."
      },
      {
        "number": "48",
        "name": "GPIO36/TMS",
        "type": "bidirectional",
        "description": "General-purpose I/O 36 (Group 2, 8 mA drive) that is the JTAG test mode select TMS input with internal pull-up; glitches may occur on power-up when the internal VREG is used."
      },
      {
        "number": "49",
        "name": "GPIO11/EPWM6B/LINRXA/HRCAP2",
        "type": "bidirectional",
        "description": "General-purpose I/O 11 with internal pull-up disabled at reset on PWM pins; alternate functions are ePWM6B output, LIN receive input and HRCAP2 input."
      },
      {
        "number": "50",
        "name": "GPIO5/EPWM3B/SPISIMOA/ECAP1",
        "type": "bidirectional",
        "description": "General-purpose I/O 5 with internal pull-up disabled at reset on PWM pins; alternate functions are ePWM3B output, SPI-A slave input/master output and eCAP1 I/O."
      },
      {
        "number": "51",
        "name": "GPIO4/EPWM3A",
        "type": "bidirectional",
        "description": "General-purpose I/O 4 with internal pull-up disabled at reset on PWM pins; alternate function is ePWM3A output (with HRPWM)."
      },
      {
        "number": "52",
        "name": "GPIO10/EPWM6A/ADCSOCBO",
        "type": "bidirectional",
        "description": "General-purpose I/O 10 with internal pull-up disabled at reset on PWM pins; alternate functions are ePWM6A output (with HRPWM) and ADC start-of-conversion output ADCSOCBO."
      },
      {
        "number": "53",
        "name": "GPIO3/EPWM2B/SPISOMIA/COMP2OUT",
        "type": "bidirectional",
        "description": "General-purpose I/O 3 with internal pull-up disabled at reset on PWM pins; alternate functions are ePWM2B output, SPI-A slave output/master input and comparator 2 direct output COMP2OUT."
      },
      {
        "number": "54",
        "name": "GPIO2/EPWM2A",
        "type": "bidirectional",
        "description": "General-purpose I/O 2 with internal pull-up disabled at reset on PWM pins; alternate function is ePWM2A output (with HRPWM)."
      },
      {
        "number": "55",
        "name": "GPIO1/EPWM1B/COMP1OUT",
        "type": "bidirectional",
        "description": "General-purpose I/O 1 with internal pull-up disabled at reset on PWM pins; alternate functions are ePWM1B output and comparator 1 direct output COMP1OUT."
      },
      {
        "number": "56",
        "name": "GPIO0/EPWM1A",
        "type": "bidirectional",
        "description": "General-purpose I/O 0 with internal pull-up disabled at reset on PWM pins; alternate function is ePWM1A output (with HRPWM)."
      },
      {
        "number": "57",
        "name": "VDDIO",
        "type": "power_in",
        "description": "Digital I/O buffer and flash supply, 2.97 V to 3.63 V (3.3 V nominal); place a decoupling capacitor on this pin."
      },
      {
        "number": "58",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "59",
        "name": "VDD",
        "type": "power_in",
        "description": "CPU and logic digital supply; when the internal VREG is used, place a 1.2 µF (minimum) capacitor between this pin and ground."
      },
      {
        "number": "60",
        "name": "VREGENZ",
        "type": "input",
        "description": "Internal regulator enable with internal pull-down: connect to VSS (low) to enable the internal 1.8 V VREG, or to VDDIO (high) to disable it and supply 1.8 V to VDD externally."
      },
      {
        "number": "61",
        "name": "GPIO34/COMP2OUT/COMP3OUT",
        "type": "bidirectional",
        "description": "General-purpose I/O 34 with internal pull-up enabled after reset; alternate functions are comparator 2 direct output COMP2OUT and comparator 3 direct output COMP3OUT; glitches may occur on power-up when the internal VREG is used."
      },
      {
        "number": "62",
        "name": "GPIO20/EQEP1A/COMP1OUT",
        "type": "bidirectional",
        "description": "General-purpose I/O 20 with internal pull-up enabled after reset; alternate functions are eQEP1 input A and comparator 1 direct output COMP1OUT."
      },
      {
        "number": "63",
        "name": "GPIO21/EQEP1B/COMP2OUT",
        "type": "bidirectional",
        "description": "General-purpose I/O 21 with internal pull-up enabled after reset; alternate functions are eQEP1 input B and comparator 2 direct output COMP2OUT."
      },
      {
        "number": "64",
        "name": "GPIO24/ECAP1",
        "type": "bidirectional",
        "description": "General-purpose I/O 24 with internal pull-up enabled after reset; alternate function is eCAP1 I/O (the SPISIMOB alternate is not available on the PAG package)."
      }
    ],
    "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 17 is listed as both VSSA and VREFLO in the PAG column of Table 5-1 (VREFLO is always tied to VS; Pin 15 is shared between ADCINA0 and VREFHI; the two cannot be used simultaneously. Entered as ADCIN; Pin 30 (TEST2) is typed bidirectional from the datasheet I/O/Z column but the datasheet says it must"
        ],
        "pages_sent": 120,
        "cost_usd": 0.8423,
        "at": "2026-10-08T21:51:02"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tms320f28033",
        "pages": 176,
        "sha256": "cb9ccecfd6b5c484",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 64,
        "described": 64,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tms320f28033pagq.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "60567e81b0770b6c519104183a7a05ba52dddc11146b5fbe21434fbb5801696c",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tms320f28033pagq-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "948840644b43d996740bd08d6e3fcc1efef2cf08ca8eb35fe693ff0dc00e619e",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TQFP-64(10x10)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "64"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tms320f28033pagq"
  ],
  "discovery_pitch": "TMS320F28033PAGQ (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
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}