TMS320F28053PNS

{
  "schema_version": 1,
  "type": "component",
  "slug": "tms320f28053pns",
  "title": "TMS320F28053PNS",
  "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",
    "tms320f28053pns",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TMS320F28053PNS",
    "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/tms320f28054f",
    "parts": {
      "symbol": "tms320f28053pns.kicad_sym",
      "footprint": "tms320f28053pns.kicad_mod",
      "model_3d": "tms320f28053pns-hero.glb",
      "model_3d_plain": "tms320f28053pns.glb",
      "model_3d_step": "tms320f28053pns-etched.step",
      "model_3d_step_plain": "tms320f28053pns.step",
      "lbr": "tms320f28053pns.lbr"
    },
    "distributor_links": {
      "lcsc": "C1339533",
      "digikey": "2156-TMS320F28053PNS-ND",
      "mouser": "595-TMS320F28053PNS"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T04:47:04Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2156-TMS320F28053PNS-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-TMS320F28053PNS",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GPIO22",
        "type": "bidirectional",
        "description": "General-purpose I/O 22 with alternates EQEP1S (I/O) and SCITXDB (output); inputs are not 5-V tolerant."
      },
      {
        "number": "2",
        "name": "GPIO32",
        "type": "bidirectional",
        "description": "General-purpose I/O 32 with alternates SDAA (I2C data, open-drain), EPWMSYNCI (input) and EQEP1S (I/O); inputs are not 5-V tolerant."
      },
      {
        "number": "3",
        "name": "GPIO33",
        "type": "bidirectional",
        "description": "General-purpose I/O 33 with alternates SCLA (I2C clock, open-drain), EPWMSYNCO (output) and EQEP1I (I/O)."
      },
      {
        "number": "4",
        "name": "GPIO24",
        "type": "bidirectional",
        "description": "General-purpose I/O 24 with internal pullup enabled by default; alternates ECAP1 (I/O) and EPWM7A (output)."
      },
      {
        "number": "5",
        "name": "GPIO42",
        "type": "bidirectional",
        "description": "General-purpose I/O 42 with internal pullup enabled by default; alternates EPWM7B, SCITXDC and CTRIPM1OUT (outputs)."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "CPU and logic digital power pin; when the internal VREG is used, place one 1.2-µF capacitor between each VDD pin and ground (higher values allowed)."
      },
      {
        "number": "7",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "8",
        "name": "XRS",
        "type": "bidirectional",
        "description": "Device reset input and watchdog reset output (open-drain with internal pullup); a 2.2 kΩ to 10 kΩ resistor to VDDIO is to be placed on it and any capacitor to VSS should be 100 nF or smaller."
      },
      {
        "number": "9",
        "name": "TRST",
        "type": "input",
        "description": "JTAG test reset with internal pulldown; must be maintained low during normal device operation and an external pulldown resistor is required (2.2 kΩ generally adequate)."
      },
      {
        "number": "10",
        "name": "ADCINA5",
        "type": "input",
        "description": "ADC Group A, channel 5 analog input."
      },
      {
        "number": "11",
        "name": "ADCINA4",
        "type": "input",
        "description": "ADC Group A, channel 4 analog input."
      },
      {
        "number": "12",
        "name": "ADCINA3",
        "type": "input",
        "description": "ADC Group A, channel 3 analog input (op-amp channel, associated with M1GND)."
      },
      {
        "number": "13",
        "name": "ADCINA2",
        "type": "input",
        "description": "ADC Group A, channel 2 analog input."
      },
      {
        "number": "14",
        "name": "ADCINA1",
        "type": "input",
        "description": "ADC Group A, channel 1 analog input (op-amp channel, associated with M1GND)."
      },
      {
        "number": "15",
        "name": "M1GND",
        "type": "power_in",
        "description": "Ground pin for amplifier channels A1, A3 and B1."
      },
      {
        "number": "16",
        "name": "ADCINB2",
        "type": "input",
        "description": "ADC Group B, channel 2 analog input."
      },
      {
        "number": "17",
        "name": "ADCINB1",
        "type": "input",
        "description": "ADC Group B, channel 1 analog input (op-amp channel)."
      },
      {
        "number": "18",
        "name": "ADCINA0/VREFOUT",
        "type": "input",
        "description": "ADC Group A, channel 0 analog input; also serves as the voltage reference output (VREFOUT) from the buffered DAC."
      },
      {
        "number": "19",
        "name": "VREFHI",
        "type": "input",
        "description": "ADC external reference input, used in ADC external reference mode and as the VREFOUT reference."
      },
      {
        "number": "20",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog power pin; tie with a 2.2-µF (typical) capacitor close to the pin."
      },
      {
        "number": "21",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground pin."
      },
      {
        "number": "22",
        "name": "VREFLO",
        "type": "input",
        "description": "ADC low reference input; always tied to ground."
      },
      {
        "number": "23",
        "name": "ADCINA6",
        "type": "input",
        "description": "ADC Group A, channel 6 analog input (op-amp channel)."
      },
      {
        "number": "24",
        "name": "ADCINA7",
        "type": "input",
        "description": "ADC Group A, channel 7 analog input."
      },
      {
        "number": "25",
        "name": "ADCINB3",
        "type": "input",
        "description": "ADC Group B, channel 3 analog input."
      },
      {
        "number": "26",
        "name": "ADCINB4",
        "type": "input",
        "description": "ADC Group B, channel 4 analog input (op-amp channel, associated with M2GND)."
      },
      {
        "number": "27",
        "name": "M2GND",
        "type": "power_in",
        "description": "Ground pin for amplifier channels A6, B4 and B6."
      },
      {
        "number": "28",
        "name": "ADCINB5",
        "type": "input",
        "description": "ADC Group B, channel 5 analog input."
      },
      {
        "number": "29",
        "name": "ADCINB6",
        "type": "input",
        "description": "ADC Group B, channel 6 analog input (op-amp channel)."
      },
      {
        "number": "30",
        "name": "ADCINB0",
        "type": "input",
        "description": "ADC Group B, channel 0 analog input."
      },
      {
        "number": "31",
        "name": "ADCINB7",
        "type": "input",
        "description": "ADC Group B, channel 7 analog input (op-amp channel, associated with PFCGND)."
      },
      {
        "number": "32",
        "name": "PFCGND",
        "type": "power_in",
        "description": "Ground pin for amplifier channel B7."
      },
      {
        "number": "33",
        "name": "GPIO27",
        "type": "bidirectional",
        "description": "General-purpose I/O 27 with alternate SCITXDC (output)."
      },
      {
        "number": "34",
        "name": "GPIO31",
        "type": "bidirectional",
        "description": "General-purpose I/O 31 with internal pullup enabled by default; alternates CANTXA, SCITXDB and EPWM7B (outputs)."
      },
      {
        "number": "35",
        "name": "GPIO30",
        "type": "bidirectional",
        "description": "General-purpose I/O 30 with internal pullup enabled by default; alternates CANRXA (input), SCIRXDB (input) and EPWM7A (output)."
      },
      {
        "number": "36",
        "name": "GPIO9",
        "type": "bidirectional",
        "description": "General-purpose I/O 9 with alternates EPWM5B (output) and SCITXDB (output)."
      },
      {
        "number": "37",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "38",
        "name": "VDDIO",
        "type": "power_in",
        "description": "Digital I/O buffer and flash memory power pin; single supply source when VREG is enabled; place a decoupling capacitor on each VDDIO pin."
      },
      {
        "number": "39",
        "name": "TEST2",
        "type": "bidirectional",
        "description": "Test pin reserved for TI; must be left unconnected."
      },
      {
        "number": "40",
        "name": "GPIO26",
        "type": "bidirectional",
        "description": "General-purpose I/O 26 with alternate SCIRXDC (input)."
      },
      {
        "number": "41",
        "name": "GPIO29",
        "type": "bidirectional",
        "description": "General-purpose I/O 29 with alternates SCITXDA (output), SCLA (I2C clock, open-drain), TZ3 (input) and CTRIPPFCOUT (output)."
      },
      {
        "number": "42",
        "name": "GPIO28",
        "type": "bidirectional",
        "description": "General-purpose I/O 28 with alternates SCIRXDA (input), SDAA (I2C data, open-drain) and TZ2 (input)."
      },
      {
        "number": "43",
        "name": "GPIO18",
        "type": "bidirectional",
        "description": "General-purpose I/O 18 with alternates SPICLKA (I/O), SCITXDB (output) and XCLKOUT; XCLKOUT is SYSCLKOUT divided by 1, 2 or 4, resets to SYSCLKOUT/4 and can be turned off by setting XCLKOUTDIV to 3."
      },
      {
        "number": "44",
        "name": "GPIO17",
        "type": "bidirectional",
        "description": "General-purpose I/O 17 with alternates SPISOMIA (I/O), EQEP1I (I/O), TZ3 (input) and CTRIPPFCOUT (output)."
      },
      {
        "number": "45",
        "name": "GPIO8",
        "type": "bidirectional",
        "description": "General-purpose I/O 8 with alternates EPWM5A (output) and ADCSOCAO (output)."
      },
      {
        "number": "46",
        "name": "GPIO25",
        "type": "bidirectional",
        "description": "General-purpose I/O 25; all alternate functions are reserved for this pin."
      },
      {
        "number": "47",
        "name": "GPIO16",
        "type": "bidirectional",
        "description": "General-purpose I/O 16 with alternates SPISIMOA (I/O), EQEP1S (I/O) and TZ2 (input)."
      },
      {
        "number": "48",
        "name": "GPIO12",
        "type": "bidirectional",
        "description": "General-purpose I/O 12 with alternates TZ1 (input), CTRIPM1OUT (output) and SCITXDA (output)."
      },
      {
        "number": "49",
        "name": "GPIO7",
        "type": "bidirectional",
        "description": "General-purpose I/O 7 with alternates EPWM4B (output) and SCIRXDA (input)."
      },
      {
        "number": "50",
        "name": "GPIO6",
        "type": "bidirectional",
        "description": "General-purpose I/O 6 with alternates EPWM4A (output), EPWMSYNCI (input) and EPWMSYNCO (output)."
      },
      {
        "number": "51",
        "name": "X2",
        "type": "output",
        "description": "On-chip crystal oscillator output; a quartz crystal or ceramic resonator is connected across X1 and X2, and X2 must be left unconnected if not used."
      },
      {
        "number": "52",
        "name": "X1",
        "type": "input",
        "description": "On-chip 1.8-V crystal oscillator input; a crystal or resonator is connected across X1 and X2, and the pin must be tied to GND if not used."
      },
      {
        "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; when the internal VREG is used, place one 1.2-µF capacitor between each VDD pin and ground (higher values allowed)."
      },
      {
        "number": "55",
        "name": "GPIO19",
        "type": "bidirectional",
        "description": "General-purpose I/O 19 with alternates XCLKIN (external oscillator input), SPISTEA (I/O), SCIRXDB (input) and ECAP1 (I/O); may glitch during power-up when the on-chip VREG is used."
      },
      {
        "number": "56",
        "name": "GPIO39",
        "type": "bidirectional",
        "description": "General-purpose I/O 39 with alternates SCIRXDC (input) and CTRIPPFCOUT (output)."
      },
      {
        "number": "57",
        "name": "GPIO38",
        "type": "bidirectional",
        "description": "General-purpose I/O 38 (default XCLKIN selection) with alternates TCK (JTAG clock, internal pullup) and XCLKIN (external oscillator input); avoid enabling the XCLKIN path during JTAG debug to prevent contention with TCK, and may glitch during power-up when VREG is used."
      },
      {
        "number": "58",
        "name": "GPIO37",
        "type": "tri_state",
        "description": "JTAG scan out (TDO) with 8 mA drive, shifted out on the falling edge of TCK; also GPIO37, and may glitch during power-up when VREG is used."
      },
      {
        "number": "59",
        "name": "GPIO35",
        "type": "bidirectional",
        "description": "JTAG test data input (TDI) with internal pullup, clocked into the selected register on the rising edge of TCK; also GPIO35 and may glitch during power-up when VREG is used."
      },
      {
        "number": "60",
        "name": "GPIO36",
        "type": "bidirectional",
        "description": "JTAG test-mode select (TMS) with internal pullup, clocked into the TAP controller on the rising edge of TCK; also GPIO36 and may glitch during power-up when VREG is used."
      },
      {
        "number": "61",
        "name": "GPIO11",
        "type": "bidirectional",
        "description": "General-purpose I/O 11 with alternates EPWM6B (output) and SCIRXDB (input)."
      },
      {
        "number": "62",
        "name": "GPIO5",
        "type": "bidirectional",
        "description": "General-purpose I/O 5 with alternates EPWM3B (output), SPISIMOA (I/O) and ECAP1 (I/O)."
      },
      {
        "number": "63",
        "name": "GPIO4",
        "type": "bidirectional",
        "description": "General-purpose I/O 4 with alternate EPWM3A (output)."
      },
      {
        "number": "64",
        "name": "GPIO40",
        "type": "bidirectional",
        "description": "General-purpose I/O 40 with internal pullup enabled by default; alternate EPWM7A (output)."
      },
      {
        "number": "65",
        "name": "GPIO10",
        "type": "bidirectional",
        "description": "General-purpose I/O 10 with alternates EPWM6A (output) and ADCSOCBO (output)."
      },
      {
        "number": "66",
        "name": "GPIO3",
        "type": "bidirectional",
        "description": "General-purpose I/O 3 with alternates EPWM2B (output) and SPISOMIA (I/O)."
      },
      {
        "number": "67",
        "name": "GPIO2",
        "type": "bidirectional",
        "description": "General-purpose I/O 2 with alternate EPWM2A (output)."
      },
      {
        "number": "68",
        "name": "GPIO1",
        "type": "bidirectional",
        "description": "General-purpose I/O 1 with alternates EPWM1B (output) and CTRIPM1OUT (output)."
      },
      {
        "number": "69",
        "name": "GPIO0",
        "type": "bidirectional",
        "description": "General-purpose I/O 0 with alternate EPWM1A (output); PWM-pin pullup is not enabled at reset."
      },
      {
        "number": "70",
        "name": "VDDIO",
        "type": "power_in",
        "description": "Digital I/O buffer and flash memory power pin; single supply source when VREG is enabled; place a decoupling capacitor on each VDDIO pin."
      },
      {
        "number": "71",
        "name": "VREGENZ",
        "type": "input",
        "description": "Internal voltage regulator enable with internal pulldown; tie to VSS to enable the internal 1.8-V VREG, or tie to VDDIO to disable it and use an external 1.8-V supply."
      },
      {
        "number": "72",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "73",
        "name": "VDD",
        "type": "power_in",
        "description": "CPU and logic digital power pin; when the internal VREG is used, place one 1.2-µF capacitor between each VDD pin and ground (higher values allowed)."
      },
      {
        "number": "74",
        "name": "GPIO34",
        "type": "bidirectional",
        "description": "General-purpose I/O 34 with alternate CTRIPPFCOUT (output); not glitch-free and may glitch during power-up when the on-chip VREG is used."
      },
      {
        "number": "75",
        "name": "GPIO15",
        "type": "bidirectional",
        "description": "General-purpose I/O 15 with alternates TZ1 (input), CTRIPM1OUT (output) and SCIRXDB (input)."
      },
      {
        "number": "76",
        "name": "GPIO13",
        "type": "bidirectional",
        "description": "General-purpose I/O 13 with alternate TZ2 (input, trip zone)."
      },
      {
        "number": "77",
        "name": "GPIO14",
        "type": "bidirectional",
        "description": "General-purpose I/O 14 with alternates TZ3 (input), CTRIPPFCOUT (output) and SCITXDB (output)."
      },
      {
        "number": "78",
        "name": "GPIO20",
        "type": "bidirectional",
        "description": "General-purpose I/O 20 with internal pullup enabled by default; alternates EQEP1A (input), EPWM7A (output) and CTRIPM1OUT (output)."
      },
      {
        "number": "79",
        "name": "GPIO21",
        "type": "bidirectional",
        "description": "General-purpose I/O 21 with internal pullup enabled by default; alternates EQEP1B (input) and EPWM7B (output)."
      },
      {
        "number": "80",
        "name": "GPIO23",
        "type": "bidirectional",
        "description": "General-purpose I/O 23 with alternates EQEP1I (I/O) and SCIRXDB (input)."
      }
    ],
    "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: Package and variant check: TMS320F28053PNS is the 80-pin PN LQFP with the S suffix (-40 to 125 °C). ; Source is a Chinese translation of SPRS797. Pin numbers and types come from the signal description t; Pin 18 is printed as ADCINA0/VREFOUT, but the table types it as input even though VREFOUT is an outp"
        ],
        "pages_sent": 30,
        "cost_usd": 0.2399,
        "at": "2026-10-08T04:46:34"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tms320f28054f",
        "pages": 159,
        "sha256": "aaaaedb6c548633c",
        "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": [
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        "file": "tms320f28053pns.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          14,
          14,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f782bdbc6327d920be33e2b9906695d7c3690117933775c3f145eac71f2013ac",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tms320f28053pns-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          14,
          14,
          1.5
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3d57afcbe329c6cf4ac529945c80b11bef1d3b986dc87173e88fb9663e69db8d",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "LQFP-80(12x12)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "80"
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
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  "discovery_triggers": [
    "tms320f28053pns"
  ],
  "discovery_pitch": "TMS320F28053PNS (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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}