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Ray Set visibility: public 79ae3bf 1d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "tms320f28055pnt",
  "title": "TMS320F28055PNT",
  "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",
    "tms320f28055pnt",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TMS320F28055PNT",
    "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": "tms320f28055pnt.kicad_sym",
      "footprint": "tms320f28055pnt.kicad_mod",
      "model_3d": "tms320f28055pnt-hero.glb",
      "model_3d_plain": "tms320f28055pnt.glb",
      "model_3d_step": "tms320f28055pnt-etched.step",
      "model_3d_step_plain": "tms320f28055pnt.step",
      "lbr": "tms320f28055pnt.lbr"
    },
    "distributor_links": {
      "lcsc": "C1339612",
      "digikey": "296-35111-ND",
      "mouser": "595-TMS320F28055PNT"
    },
    "distributor_check": {
      "checked_at": "2026-10-07T21:48:55Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-35111-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-TMS320F28055PNT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GPIO22/EQEP1S/SCITXDB",
        "type": "bidirectional",
        "description": "General-purpose I/O 22 (default GPIO) with alternate functions EQEP1S (I/O) and SCITXDB (O); inputs are not 5-V tolerant and the internal pullup is enabled at reset."
      },
      {
        "number": "2",
        "name": "GPIO32/SDAA/EPWMSYNCI/EQEP1S",
        "type": "bidirectional",
        "description": "General-purpose I/O 32 (default GPIO) with alternate functions SDAA (I2C data, open-drain), EPWMSYNCI (input) and EQEP1S (I/O); inputs are not 5-V tolerant."
      },
      {
        "number": "3",
        "name": "GPIO33/SCLA/EPWMSYNCO/EQEP1I",
        "type": "bidirectional",
        "description": "General-purpose I/O 33 (default GPIO) with alternate functions SCLA (I2C clock, open-drain), EPWMSYNCO (output) and EQEP1I (I/O); inputs are not 5-V tolerant."
      },
      {
        "number": "4",
        "name": "GPIO24/ECAP1/EPWM7A",
        "type": "bidirectional",
        "description": "General-purpose I/O 24 with internal pullup enabled by default, alternate functions ECAP1 (I/O) and EPWM7A (output); inputs are not 5-V tolerant."
      },
      {
        "number": "5",
        "name": "GPIO42/EPWM7B/SCITXDC/CTRIPM1OUT",
        "type": "bidirectional",
        "description": "General-purpose I/O 42 with internal pullup enabled by default, alternate functions EPWM7B, SCITXDC and CTRIPM1OUT (outputs); inputs are not 5-V tolerant."
      },
      {
        "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 may be used)."
      },
      {
        "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 required, a capacitor to VSS must be 100 nF or smaller, and external drivers must be open-drain."
      },
      {
        "number": "9",
        "name": "TRST",
        "type": "input",
        "description": "JTAG test reset input with internal pulldown that must be kept low during normal device operation and requires an external pulldown (2.2 kΩ generally adequate)."
      },
      {
        "number": "10",
        "name": "ADCINA5",
        "type": "input",
        "description": "ADC Group A channel 5 analog input (ADC full-scale 0 V to 3.3 V)."
      },
      {
        "number": "11",
        "name": "ADCINA4",
        "type": "input",
        "description": "ADC Group A channel 4 analog input (ADC full-scale 0 V to 3.3 V)."
      },
      {
        "number": "12",
        "name": "ADCINA3 (op-amp)",
        "type": "input",
        "description": "ADC Group A channel 3 analog input, labelled as op-amp channel A3 in the datasheet; ground reference is M1GND."
      },
      {
        "number": "13",
        "name": "ADCINA2",
        "type": "input",
        "description": "ADC Group A channel 2 analog input (ADC full-scale 0 V to 3.3 V)."
      },
      {
        "number": "14",
        "name": "ADCINA1 (op-amp)",
        "type": "input",
        "description": "ADC Group A channel 1 analog input, labelled as op-amp channel A1 in the datasheet; ground reference is 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 (ADC full-scale 0 V to 3.3 V)."
      },
      {
        "number": "17",
        "name": "ADCINB1 (op-amp)",
        "type": "input",
        "description": "ADC Group B channel 1 analog input, labelled as op-amp channel B1 in the datasheet; ground reference is M1GND."
      },
      {
        "number": "18",
        "name": "ADCINA0/VREFOUT",
        "type": "input",
        "description": "ADC Group A channel 0 analog input, shared with VREFOUT, the voltage reference output 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 capacitor (typical) 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, always tied to ground."
      },
      {
        "number": "23",
        "name": "ADCINA6 (op-amp)",
        "type": "input",
        "description": "ADC Group A channel 6 analog input, labelled as op-amp channel A6 in the datasheet; ground reference is M2GND."
      },
      {
        "number": "24",
        "name": "ADCINA7",
        "type": "input",
        "description": "ADC Group A channel 7 analog input (ADC full-scale 0 V to 3.3 V)."
      },
      {
        "number": "25",
        "name": "ADCINB3",
        "type": "input",
        "description": "ADC Group B channel 3 analog input (ADC full-scale 0 V to 3.3 V)."
      },
      {
        "number": "26",
        "name": "ADCINB4 (op-amp)",
        "type": "input",
        "description": "ADC Group B channel 4 analog input, labelled as op-amp channel B4 in the datasheet; ground reference is 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 (ADC full-scale 0 V to 3.3 V)."
      },
      {
        "number": "29",
        "name": "ADCINB6 (op-amp)",
        "type": "input",
        "description": "ADC Group B channel 6 analog input, labelled as op-amp channel B6 in the datasheet; ground reference is M2GND."
      },
      {
        "number": "30",
        "name": "ADCINB0",
        "type": "input",
        "description": "ADC Group B channel 0 analog input (ADC full-scale 0 V to 3.3 V)."
      },
      {
        "number": "31",
        "name": "ADCINB7 (op-amp)",
        "type": "input",
        "description": "ADC Group B channel 7 analog input, labelled as op-amp channel B7 in the datasheet; ground reference is PFCGND."
      },
      {
        "number": "32",
        "name": "PFCGND",
        "type": "power_in",
        "description": "Ground pin for amplifier channel B7."
      },
      {
        "number": "33",
        "name": "GPIO27/SCITXDC",
        "type": "bidirectional",
        "description": "General-purpose I/O 27 (default GPIO) with alternate function SCITXDC (SCI-C transmit, output); inputs are not 5-V tolerant."
      },
      {
        "number": "34",
        "name": "GPIO31/CANTXA/SCITXDB/EPWM7B",
        "type": "bidirectional",
        "description": "General-purpose I/O 31 with internal pullup enabled by default, alternate functions CANTXA, SCITXDB and EPWM7B (outputs); inputs are not 5-V tolerant."
      },
      {
        "number": "35",
        "name": "GPIO30/CANRXA/SCIRXDB/EPWM7A",
        "type": "bidirectional",
        "description": "General-purpose I/O 30 with internal pullup enabled by default, alternate functions CANRXA (input), SCIRXDB (input) and EPWM7A (output); inputs are not 5-V tolerant."
      },
      {
        "number": "36",
        "name": "GPIO9/EPWM5B/SCITXDB",
        "type": "bidirectional",
        "description": "General-purpose I/O 9 (PWM-capable pin, pullup not enabled at reset) with alternate functions EPWM5B and SCITXDB (outputs); inputs are not 5-V tolerant."
      },
      {
        "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; the single supply source when VREG is enabled, with a decoupling capacitor on each pin (value set by the system voltage regulation solution)."
      },
      {
        "number": "39",
        "name": "TEST2",
        "type": "bidirectional",
        "description": "Test pin reserved for TI; must be left unconnected."
      },
      {
        "number": "40",
        "name": "GPIO26/SCIRXDC",
        "type": "bidirectional",
        "description": "General-purpose I/O 26 (default GPIO) with alternate function SCIRXDC (SCI-C receive, input); inputs are not 5-V tolerant."
      },
      {
        "number": "41",
        "name": "GPIO29",
        "type": "bidirectional",
        "description": "General-purpose I/O 29 (default GPIO) with alternate functions SCITXDA (output), SCLA (I2C clock, open-drain), TZ3 (input) and CTRIPPFCOUT (output); inputs are not 5-V tolerant."
      },
      {
        "number": "42",
        "name": "GPIO28/SCIRXDA/SDAA/TZ2",
        "type": "bidirectional",
        "description": "General-purpose I/O 28 (default GPIO) with alternate functions SCIRXDA (input), SDAA (I2C data, open-drain) and TZ2 (input); inputs are not 5-V tolerant."
      },
      {
        "number": "43",
        "name": "GPIO18/SPICLKA/SCITXDB/XCLKOUT",
        "type": "bidirectional",
        "description": "General-purpose I/O 18 (default GPIO) with alternate functions SPICLKA (I/O), SCITXDB (output) and XCLKOUT (output, SYSCLKOUT/4 at reset, disabled when XCLKOUTDIV = 3); inputs are not 5-V tolerant."
      },
      {
        "number": "44",
        "name": "GPIO17",
        "type": "bidirectional",
        "description": "General-purpose I/O 17 (default GPIO) with alternate functions SPISOMIA (I/O), EQEP1I (I/O), TZ3 (input) and CTRIPPFCOUT (output); inputs are not 5-V tolerant."
      },
      {
        "number": "45",
        "name": "GPIO8/EPWM5A/ADCSOCAO",
        "type": "bidirectional",
        "description": "General-purpose I/O 8 (PWM-capable pin, pullup not enabled at reset) with alternate functions EPWM5A and ADCSOCAO (outputs); inputs are not 5-V tolerant."
      },
      {
        "number": "46",
        "name": "GPIO25",
        "type": "bidirectional",
        "description": "General-purpose I/O 25 (default GPIO) with no peripheral alternate functions listed; inputs are not 5-V tolerant."
      },
      {
        "number": "47",
        "name": "GPIO16/SPISIMOA/EQEP1S/TZ2",
        "type": "bidirectional",
        "description": "General-purpose I/O 16 (default GPIO) with alternate functions SPISIMOA (I/O), EQEP1S (I/O) and TZ2 (input); inputs are not 5-V tolerant."
      },
      {
        "number": "48",
        "name": "GPIO12",
        "type": "bidirectional",
        "description": "General-purpose I/O 12 (default GPIO) with alternate functions TZ1 (input), CTRIPM1OUT (output) and SCITXDA (output); inputs are not 5-V tolerant."
      },
      {
        "number": "49",
        "name": "GPIO7/EPWM4B/SCIRXDA",
        "type": "bidirectional",
        "description": "General-purpose I/O 7 (PWM-capable pin, pullup not enabled at reset) with alternate functions EPWM4B (output) and SCIRXDA (input); inputs are not 5-V tolerant."
      },
      {
        "number": "50",
        "name": "GPIO6/EPWM4A/EPWMSYNCI/EPWMSYNCO",
        "type": "bidirectional",
        "description": "General-purpose I/O 6 (PWM-capable pin, pullup not enabled at reset) with alternate functions EPWM4A (output), EPWMSYNCI (input) and EPWMSYNCO (output); inputs are not 5-V tolerant."
      },
      {
        "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 is left unconnected if not used."
      },
      {
        "number": "52",
        "name": "X1",
        "type": "input",
        "description": "On-chip 1.8-V crystal oscillator input; a crystal or ceramic 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 may be used)."
      },
      {
        "number": "55",
        "name": "GPIO19",
        "type": "bidirectional",
        "description": "General-purpose I/O 19 (default GPIO) with alternate functions XCLKIN (external 3.3-V oscillator input, not gated by the mux), SPISTEA (I/O), SCIRXDB (input) and ECAP1 (I/O); can glitch at power-up when the internal VREG is used."
      },
      {
        "number": "56",
        "name": "GPIO39/SCIRXDC/CTRIPPFCOUT",
        "type": "bidirectional",
        "description": "General-purpose I/O 39 (default GPIO) with alternate functions SCIRXDC (input) and CTRIPPFCOUT (output); inputs are not 5-V tolerant."
      },
      {
        "number": "57",
        "name": "GPIO38",
        "type": "bidirectional",
        "description": "General-purpose I/O 38 (default XCLKIN selection) with JTAG TCK function (input, internal pullup); can glitch at power-up when the internal VREG is used, and the XCLKIN path must not be enabled while TCK is in use during debug."
      },
      {
        "number": "58",
        "name": "GPIO37/TDO",
        "type": "tri_state",
        "description": "General-purpose I/O 37 with JTAG scan data output TDO (O/Z, 8 mA drive), shifted out on the falling edge of TCK; can glitch at power-up when the internal VREG is used."
      },
      {
        "number": "59",
        "name": "GPIO35/TDI",
        "type": "bidirectional",
        "description": "General-purpose I/O 35 with JTAG test data input TDI (internal pullup), clocked into the selected register on the rising edge of TCK; does not have a glitch-free output at power-up."
      },
      {
        "number": "60",
        "name": "GPIO36/TMS",
        "type": "bidirectional",
        "description": "General-purpose I/O 36 with JTAG test-mode select TMS (internal pullup), clocked into the TAP controller on the rising edge of TCK; does not have a glitch-free output at power-up."
      },
      {
        "number": "61",
        "name": "GPIO11/EPWM6B/SCIRXDB",
        "type": "bidirectional",
        "description": "General-purpose I/O 11 (PWM-capable pin, pullup not enabled at reset) with alternate functions EPWM6B (output) and SCIRXDB (input); inputs are not 5-V tolerant."
      },
      {
        "number": "62",
        "name": "GPIO5/EPWM3B/SPISIMOA/ECAP1",
        "type": "bidirectional",
        "description": "General-purpose I/O 5 (PWM-capable pin, pullup not enabled at reset) with alternate functions EPWM3B (output), SPISIMOA (I/O) and ECAP1 (I/O); inputs are not 5-V tolerant."
      },
      {
        "number": "63",
        "name": "GPIO4/EPWM3A",
        "type": "bidirectional",
        "description": "General-purpose I/O 4 (PWM-capable pin, pullup not enabled at reset) with alternate function EPWM3A (output); inputs are not 5-V tolerant."
      },
      {
        "number": "64",
        "name": "GPIO40/EPWM7A",
        "type": "bidirectional",
        "description": "General-purpose I/O 40 with internal pullup enabled by default and alternate function EPWM7A (output); inputs are not 5-V tolerant."
      },
      {
        "number": "65",
        "name": "GPIO10/EPWM6A/ADCSOCBO",
        "type": "bidirectional",
        "description": "General-purpose I/O 10 (PWM-capable pin, pullup not enabled at reset) with alternate functions EPWM6A and ADCSOCBO (outputs); inputs are not 5-V tolerant."
      },
      {
        "number": "66",
        "name": "GPIO3/EPWM2B/SPISOMIA",
        "type": "bidirectional",
        "description": "General-purpose I/O 3 (PWM-capable pin, pullup not enabled at reset) with alternate functions EPWM2B (output) and SPISOMIA (I/O); inputs are not 5-V tolerant."
      },
      {
        "number": "67",
        "name": "GPIO2/EPWM2A",
        "type": "bidirectional",
        "description": "General-purpose I/O 2 (PWM-capable pin, pullup not enabled at reset) with alternate function EPWM2A (output); inputs are not 5-V tolerant."
      },
      {
        "number": "68",
        "name": "GPIO1/EPWM1B/CTRIPM1OUT",
        "type": "bidirectional",
        "description": "General-purpose I/O 1 (PWM-capable pin, pullup not enabled at reset) with alternate functions EPWM1B and CTRIPM1OUT (outputs); inputs are not 5-V tolerant."
      },
      {
        "number": "69",
        "name": "GPIO0/EPWM1A",
        "type": "bidirectional",
        "description": "General-purpose I/O 0 (PWM-capable pin, pullup not enabled at reset) with alternate function EPWM1A (output); inputs are not 5-V tolerant."
      },
      {
        "number": "70",
        "name": "VDDIO",
        "type": "power_in",
        "description": "Digital I/O buffer and flash memory power pin; the single supply source when VREG is enabled, with a decoupling capacitor on each pin (value set by the system voltage regulation solution)."
      },
      {
        "number": "71",
        "name": "VREGENZ",
        "type": "input",
        "description": "Internal voltage regulator enable with internal pulldown; tie directly to VSS to enable the internal 1.8-V VREG, or tie directly 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 may be used)."
      },
      {
        "number": "74",
        "name": "GPIO34/CTRIPPFCOUT",
        "type": "bidirectional",
        "description": "General-purpose I/O 34 with alternate function CTRIPPFCOUT (output); this pin is not glitch-free at power-up (GPIO34 to GPIO38 and GPIO19 do not have glitch-free I/Os)."
      },
      {
        "number": "75",
        "name": "GPIO15/TZ1/CTRIPM1OUT/SCIRXDB",
        "type": "bidirectional",
        "description": "General-purpose I/O 15 (default GPIO) with alternate functions TZ1 (input), CTRIPM1OUT (output) and SCIRXDB (input); inputs are not 5-V tolerant."
      },
      {
        "number": "76",
        "name": "GPIO13/TZ2",
        "type": "bidirectional",
        "description": "General-purpose I/O 13 (default GPIO) with alternate function TZ2 (trip zone input 2); inputs are not 5-V tolerant."
      },
      {
        "number": "77",
        "name": "GPIO14/TZ3/CTRIPPFCOUT/SCITXDB",
        "type": "bidirectional",
        "description": "General-purpose I/O 14 (default GPIO) with alternate functions TZ3 (input), CTRIPPFCOUT (output) and SCITXDB (output); inputs are not 5-V tolerant."
      },
      {
        "number": "78",
        "name": "GPIO20/EQEP1A/EPWM7A/CTRIPM1OUT",
        "type": "bidirectional",
        "description": "General-purpose I/O 20 with internal pullup enabled by default, alternate functions EQEP1A (input), EPWM7A and CTRIPM1OUT (outputs); inputs are not 5-V tolerant."
      },
      {
        "number": "79",
        "name": "GPIO21/EQEP1B/EPWM7B",
        "type": "bidirectional",
        "description": "General-purpose I/O 21 with internal pullup enabled by default, alternate functions EQEP1B (input) and EPWM7B (output); inputs are not 5-V tolerant."
      },
      {
        "number": "80",
        "name": "GPIO23/EQEP1I/SCIRXDB",
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  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "LQFP-80(12x12)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "80"
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