TMS320F28022PTT

{
  "slug": "tms320f28022ptt",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "tms320f28022ptt",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tms320f28022ptt.kicad_sym",
    "tms320f28022ptt.kicad_mod",
    "tms320f28022ptt.glb",
    "tms320f28022ptt.step",
    "tms320f28022ptt.lbr",
    "docs/hero.png",
    "docs/tms320f28022ptt-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tms320f28022ptt-hero.glb",
    "tms320f28022ptt-hero.overlay.json"
  ],
  "component": {
    "mpn": "TMS320F28022PTT",
    "manufacturer": "Texas Instruments",
    "package": "LQFP-48(7x7)",
    "pin_count": 48,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tms320f28020",
    "parts": {
      "symbol": "tms320f28022ptt.kicad_sym",
      "footprint": "tms320f28022ptt.kicad_mod",
      "model_3d": "tms320f28022ptt-hero.glb",
      "model_3d_plain": "tms320f28022ptt.glb",
      "model_3d_step": "tms320f28022ptt-etched.step",
      "model_3d_step_plain": "tms320f28022ptt.step",
      "lbr": "tms320f28022ptt.lbr"
    },
    "distributor_links": {
      "lcsc": "C2860066",
      "digikey": "296-27541-ND",
      "mouser": "595-TMS320F28022PTT"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T01:40:55Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-27541-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-TMS320F28022PTT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GPIO29/SCITXDA/SCLA/TZ3",
        "type": "bidirectional",
        "description": "General-purpose I/O 29 (group 2, 8 mA) with alternate SCI-A transmit, open-drain I2C-A clock, or trip-zone input 3."
      },
      {
        "number": "2",
        "name": "TRST",
        "type": "input",
        "description": "JTAG test reset with internal pulldown; it must be held low during normal operation, and an external pullup (about 2.2 kΩ typical) is required so the device runs in functional mode."
      },
      {
        "number": "3",
        "name": "XRS",
        "type": "bidirectional",
        "description": "Open-drain device reset input and watchdog reset output with internal pullup, driven low on power-up, brown-out and watchdog reset; a 2.2 kΩ to 10 kΩ resistor to VDDIO is required and any noise capacitor to VSS must be 100 nF or less."
      },
      {
        "number": "4",
        "name": "ADCINA6/AIO6",
        "type": "bidirectional",
        "description": "ADC group A channel 6 analog input, also selectable as digital AIO6 (AIO pins have no internal pullup)."
      },
      {
        "number": "5",
        "name": "ADCINA4/COMP2A/AIO4",
        "type": "bidirectional",
        "description": "ADC group A channel 4 input, also comparator 2A input (48-pin package only) and digital AIO4."
      },
      {
        "number": "6",
        "name": "ADCINA7",
        "type": "input",
        "description": "ADC group A channel 7 analog input."
      },
      {
        "number": "7",
        "name": "ADCINA3",
        "type": "input",
        "description": "ADC group A channel 3 analog input."
      },
      {
        "number": "8",
        "name": "ADCINA1",
        "type": "input",
        "description": "ADC group A channel 1 analog input."
      },
      {
        "number": "9",
        "name": "ADCINA2/COMP1A/AIO2",
        "type": "bidirectional",
        "description": "ADC group A channel 2 input, also comparator 1A input and digital AIO2."
      },
      {
        "number": "10",
        "name": "ADCINA0/VREFHI",
        "type": "input",
        "description": "ADC group A channel 0 analog input, which doubles as external ADC reference high (VREFHI) in external-reference mode and must not exceed VDDA."
      },
      {
        "number": "11",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply, 2.97 V to 3.63 V (3.3 V nominal), with about 2.2 µF typical capacitor placed near this pin."
      },
      {
        "number": "12",
        "name": "VSSA/VREFLO",
        "type": "power_in",
        "description": "Analog ground, also the ADC external reference low (VREFLO), which is always tied to ground."
      },
      {
        "number": "13",
        "name": "ADCINB1",
        "type": "input",
        "description": "ADC group B channel 1 analog input."
      },
      {
        "number": "14",
        "name": "ADCINB2/COMP1B/AIO10",
        "type": "bidirectional",
        "description": "ADC group B channel 2 input, also comparator 1B input and digital AIO10."
      },
      {
        "number": "15",
        "name": "ADCINB3",
        "type": "input",
        "description": "ADC group B channel 3 analog input."
      },
      {
        "number": "16",
        "name": "ADCINB4/COMP2B/AIO12",
        "type": "bidirectional",
        "description": "ADC group B channel 4 input, also comparator 2B input (48-pin package only) and digital AIO12."
      },
      {
        "number": "17",
        "name": "ADCINB6/AIO14",
        "type": "bidirectional",
        "description": "ADC group B channel 6 analog input, also digital AIO14."
      },
      {
        "number": "18",
        "name": "ADCINB7",
        "type": "input",
        "description": "ADC group B channel 7 analog input."
      },
      {
        "number": "19",
        "name": "GPIO34/COMP2OUT",
        "type": "bidirectional",
        "description": "General-purpose I/O 34, also direct output of comparator 2 (48-pin only), and a boot-mode select pin sampled at reset."
      },
      {
        "number": "20",
        "name": "GPIO35/TDI",
        "type": "bidirectional",
        "description": "General-purpose I/O 35, also JTAG test data input with internal pullup, sampled on the rising edge of TCK; may glitch at power-up when the internal VREG is used."
      },
      {
        "number": "21",
        "name": "GPIO36/TMS",
        "type": "bidirectional",
        "description": "General-purpose I/O 36 (group 2, 8 mA), also JTAG test mode select input with internal pullup, sampled on the rising edge of TCK."
      },
      {
        "number": "22",
        "name": "GPIO37/TDO",
        "type": "bidirectional",
        "description": "General-purpose I/O 37 (group 2, 8 mA), also JTAG test data output shifted out on the falling edge of TCK and a boot-mode select pin sampled at reset."
      },
      {
        "number": "23",
        "name": "GPIO38/TCK/XCLKIN",
        "type": "bidirectional",
        "description": "General-purpose I/O 38, also JTAG test clock input with internal pullup and the default source for the external XCLKIN oscillator input (XCLKINSEL in XCLK register)."
      },
      {
        "number": "24",
        "name": "GPIO18/SPICLKA/SCITXDA/XCLKOUT",
        "type": "bidirectional",
        "description": "General-purpose I/O 18 (group 2, 8 mA), also SPI-A clock, SCI-A transmit, or XCLKOUT (SYSCLKOUT/4 after reset, divider set by XCLKOUTDIV)."
      },
      {
        "number": "25",
        "name": "GPIO19/XCLKIN/SPISTEA/SCIRXDA/ECAP1",
        "type": "bidirectional",
        "description": "General-purpose I/O 19 (group 2, 8 mA), also external oscillator input XCLKIN, SPI-A slave transmit enable, SCI-A receive, or ECAP1 I/O, and may glitch at power-up when the internal VREG is used."
      },
      {
        "number": "26",
        "name": "GPIO17/SPISOMIA/TZ3",
        "type": "bidirectional",
        "description": "General-purpose I/O 17 (group 2, 8 mA), also SPI-A slave output / master input or trip-zone input 3."
      },
      {
        "number": "27",
        "name": "GPIO16/SPISIMOA/TZ2",
        "type": "bidirectional",
        "description": "General-purpose I/O 16 (group 2, 8 mA), also SPI-A slave input / master output or trip-zone input 2."
      },
      {
        "number": "28",
        "name": "GPIO1/EPWM1B/COMP1OUT",
        "type": "bidirectional",
        "description": "General-purpose I/O 1 with alternate ePWM1 output B or direct output of comparator 1."
      },
      {
        "number": "29",
        "name": "GPIO0/EPWM1A",
        "type": "bidirectional",
        "description": "General-purpose I/O 0 with alternate ePWM1 output A (also HRPWM channel); PWM pins do not have pullups enabled at reset."
      },
      {
        "number": "30",
        "name": "TEST",
        "type": "unconnected",
        "description": "TI-reserved test pin that must be left unconnected."
      },
      {
        "number": "31",
        "name": "GPIO32/SDAA/EPWMSYNCI/ADCSOCAO",
        "type": "bidirectional",
        "description": "General-purpose I/O 32 with alternate open-drain I2C-A data, ePWM external sync input, or ADC start-of-conversion A output."
      },
      {
        "number": "32",
        "name": "VDD",
        "type": "power_in",
        "description": "CPU and logic digital supply; with the internal VREG enabled it is generated on-chip and needs at least 1.2 µF to ground at each VDD pin, or 1.71 V to 1.995 V when supplied externally with VREG disabled."
      },
      {
        "number": "33",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "34",
        "name": "VREGENZ",
        "type": "input",
        "description": "Internal regulator enable with internal pulldown: tie low to VSS to enable the internal 1.8 V VREG, or tie high to VDDIO to disable it and use an external 1.8 V supply."
      },
      {
        "number": "35",
        "name": "VDDIO",
        "type": "power_in",
        "description": "Digital I/O and Flash supply, 2.97 V to 3.63 V (3.3 V nominal), requiring a decoupling capacitor sized by the system regulator."
      },
      {
        "number": "36",
        "name": "GPIO33/SCLA/EPWMSYNCO/ADCSOCBO",
        "type": "bidirectional",
        "description": "General-purpose I/O 33 with alternate open-drain I2C-A clock, ePWM external sync output, or ADC start-of-conversion B output."
      },
      {
        "number": "37",
        "name": "GPIO2/EPWM2A",
        "type": "bidirectional",
        "description": "General-purpose I/O 2 with alternate ePWM2 output A (also HRPWM channel)."
      },
      {
        "number": "38",
        "name": "GPIO3/EPWM2B/COMP2OUT",
        "type": "bidirectional",
        "description": "General-purpose I/O 3 with alternate ePWM2 output B or direct output of comparator 2 (48-pin package only)."
      },
      {
        "number": "39",
        "name": "GPIO4/EPWM3A",
        "type": "bidirectional",
        "description": "General-purpose I/O 4 with alternate ePWM3 output A (also HRPWM channel)."
      },
      {
        "number": "40",
        "name": "GPIO5/EPWM3B/ECAP1",
        "type": "bidirectional",
        "description": "General-purpose I/O 5 with alternate ePWM3 output B or enhanced capture I/O 1."
      },
      {
        "number": "41",
        "name": "GPIO6/EPWM4A/EPWMSYNCI/EPWMSYNCO",
        "type": "bidirectional",
        "description": "General-purpose I/O 6 with alternate ePWM4 output A (also HRPWM channel), ePWM external sync input, or ePWM external sync output."
      },
      {
        "number": "42",
        "name": "GPIO7/EPWM4B/SCIRXDA",
        "type": "bidirectional",
        "description": "General-purpose I/O 7 with alternate ePWM4 output B or SCI-A receive data."
      },
      {
        "number": "43",
        "name": "VDD",
        "type": "power_in",
        "description": "CPU and logic digital supply; with the internal VREG enabled it is generated on-chip and needs at least 1.2 µF to ground at each VDD pin, or 1.71 V to 1.995 V when supplied externally with VREG disabled."
      },
      {
        "number": "44",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "45",
        "name": "X1",
        "type": "input",
        "description": "1.8 V on-chip crystal oscillator input that must never receive 3.3 V signals; connect to GND if unused, and use with X2 and a crystal or resonator when the oscillator is used."
      },
      {
        "number": "46",
        "name": "X2",
        "type": "output",
        "description": "On-chip crystal oscillator output, which must be connected across X1 to a crystal or ceramic resonator and left unconnected if unused."
      },
      {
        "number": "47",
        "name": "GPIO12/TZ1/SCITXDA",
        "type": "bidirectional",
        "description": "General-purpose I/O 12 with alternate trip-zone input 1 or SCI-A transmit data."
      },
      {
        "number": "48",
        "name": "GPIO28/SCIRXDA/SDAA/TZ2",
        "type": "bidirectional",
        "description": "General-purpose I/O 28 (group 2, 8 mA) with alternate SCI receive data, open-drain I2C-A data, or trip-zone input 2."
      }
    ],
    "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: The text extraction of Figure 7-1 (48-pin LQFP) puts the labels in an order that conflicts with the ; TRST and XRS pin numbers are taken from table 7.2.1 (TRST=2, XRS=3); the figure text extraction for ; The datasheet lists TEST as I/O but states it is reserved and must remain unconnected; it is typed a"
        ],
        "pages_sent": 85,
        "cost_usd": 0.6253,
        "at": "2026-10-08T01:40:32"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tms320f28020",
        "pages": 147,
        "sha256": "b90c388f4142c4b5",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 48,
        "described": 48,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tms320f28022ptt.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.0,
          9.0,
          1.5
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "9dea352d93177c2904afd7d7b68ea8855ce1ab691f69f8b3e13655600514b6bf",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tms320f28022ptt-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.0,
          9.0,
          1.5
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b4830171f26b3f161c80770cd58f349de122b16a9df991bbfa230e6adba71ccb",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}