TMS320F280270PTT

{
  "slug": "tms320f280270ptt",
  "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",
    "tms320f280270ptt",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tms320f280270ptt.kicad_sym",
    "tms320f280270ptt.kicad_mod",
    "tms320f280270ptt.glb",
    "tms320f280270ptt.step",
    "tms320f280270ptt.lbr",
    "docs/hero.png",
    "docs/tms320f280270ptt-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tms320f280270ptt-hero.glb",
    "tms320f280270ptt-hero.overlay.json"
  ],
  "component": {
    "mpn": "TMS320F280270PTT",
    "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/tms320f280270",
    "parts": {
      "symbol": "tms320f280270ptt.kicad_sym",
      "footprint": "tms320f280270ptt.kicad_mod",
      "model_3d": "tms320f280270ptt-hero.glb",
      "model_3d_plain": "tms320f280270ptt.glb",
      "model_3d_step": "tms320f280270ptt-etched.step",
      "model_3d_step_plain": "tms320f280270ptt.step",
      "lbr": "tms320f280270ptt.lbr"
    },
    "distributor_links": {
      "lcsc": "C1337935",
      "digikey": "2156-TMS320F280270PTT-ND",
      "mouser": "595-TMS320F280270PTT"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T01:57:30Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2156-TMS320F280270PTT-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-TMS320F280270PTT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GPIO29/SCITXDA/SCLA/TZ3",
        "type": "bidirectional",
        "description": "General-purpose I/O 29 (Group 2 pin, I/O/Z, pullup enabled at reset) with alternates SCI-A transmit, I2C-A clock (open-drain) and Trip Zone 3 input; inputs are not 5-V tolerant."
      },
      {
        "number": "2",
        "name": "TRST",
        "type": "input",
        "description": "JTAG test reset with internal pulldown; an external pulldown (about 2.2 kΩ generally adequate) is required and TRST must be held low during normal operation."
      },
      {
        "number": "3",
        "name": "XRS",
        "type": "bidirectional",
        "description": "Device reset input and watchdog reset output, open-drain with internal pullup, driven low during POR/BOR and for 512 OSCCLK cycles on watchdog reset; an R-C circuit is recommended for noise immunity."
      },
      {
        "number": "4",
        "name": "ADCINA6/AIO6",
        "type": "passive",
        "description": "ADC Group A channel 6 analog input, multiplexed with digital AIO6 (AIO pins have no internal pullup)."
      },
      {
        "number": "5",
        "name": "ADCINA4/COMP2A/AIO4",
        "type": "passive",
        "description": "ADC Group A channel 4 analog input, multiplexed with Comparator 2A input and digital AIO4 (COMP2A available on the 48-pin device only)."
      },
      {
        "number": "6",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground pin."
      },
      {
        "number": "7",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground pin."
      },
      {
        "number": "8",
        "name": "ADCINA1",
        "type": "passive",
        "description": "ADC Group A channel 1 analog input."
      },
      {
        "number": "9",
        "name": "ADCINA2/COMP1A/AIO2",
        "type": "passive",
        "description": "ADC Group A channel 2 analog input, multiplexed with Comparator 1A input and digital AIO2."
      },
      {
        "number": "10",
        "name": "VREFHI",
        "type": "input",
        "description": "ADC external high reference, used only in external reference mode; VREFHI must not exceed VDDA."
      },
      {
        "number": "11",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog power pin; tie with a 2.2-µF capacitor (typical) close to the pin, and keep VDDA within about 0.3 V of VDDIO with a 2.97 V to 3.63 V supply range."
      },
      {
        "number": "12",
        "name": "VSSA/VREFLO",
        "type": "power_in",
        "description": "ADC low reference, always tied to ground (analog ground)."
      },
      {
        "number": "13",
        "name": "ADCINB1",
        "type": "passive",
        "description": "ADC Group B channel 1 analog input."
      },
      {
        "number": "14",
        "name": "ADCINB2/COMP1B/AIO10",
        "type": "passive",
        "description": "ADC Group B channel 2 analog input, multiplexed with Comparator 1B input and digital AIO10."
      },
      {
        "number": "15",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground pin."
      },
      {
        "number": "16",
        "name": "ADCINB4/COMP2B/AIO12",
        "type": "passive",
        "description": "ADC Group B channel 4 analog input, multiplexed with Comparator 2B input and digital AIO12 (COMP2B available on the 48-pin device only)."
      },
      {
        "number": "17",
        "name": "ADCINB6/AIO14",
        "type": "passive",
        "description": "ADC Group B channel 6 analog input, multiplexed with digital AIO14."
      },
      {
        "number": "18",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground pin."
      },
      {
        "number": "19",
        "name": "GPIO34/COMP2OUT",
        "type": "bidirectional",
        "description": "General-purpose I/O 34 with direct Comparator 2 output alternate function (COMP2OUT)."
      },
      {
        "number": "20",
        "name": "GPIO35 (TDI)",
        "type": "bidirectional",
        "description": "General-purpose I/O 35 and JTAG test data input (TDI) with internal pullup, clocked on the rising edge of TCK."
      },
      {
        "number": "21",
        "name": "GPIO36 (TMS)",
        "type": "bidirectional",
        "description": "General-purpose I/O 36 (Group 2 pin) and JTAG test-mode select (TMS) with internal pullup, clocked on the rising edge of TCK."
      },
      {
        "number": "22",
        "name": "GPIO37/TDO",
        "type": "bidirectional",
        "description": "General-purpose I/O 37 (Group 2 pin) and JTAG test data output (TDO), shifted out on the falling edge of TCK with 8-mA drive."
      },
      {
        "number": "23",
        "name": "GPIO38/XCLKIN (TCK)",
        "type": "bidirectional",
        "description": "General-purpose I/O 38 and JTAG test clock (TCK) with internal pullup; also an external oscillator input (XCLKIN) whose path must not be enabled when used for JTAG."
      },
      {
        "number": "24",
        "name": "GPIO18/SPICLKA/SCITXDA/XCLKOUT",
        "type": "bidirectional",
        "description": "General-purpose I/O 18 (Group 2 pin) with SPI-A clock, SCI-A transmit and XCLKOUT (SYSCLKOUT/4 at reset) alternate functions."
      },
      {
        "number": "25",
        "name": "GPIO19/XCLKIN/SPISTEA/SCIRXDA/ECAP1",
        "type": "bidirectional",
        "description": "General-purpose I/O 19 (Group 2 pin) with external oscillator input (XCLKIN), SPI-A STE, SCI-A receive and eCAP1 alternate functions; may glitch at power-up when the on-chip VREG is used."
      },
      {
        "number": "26",
        "name": "GPIO17/SPISOMIA/TZ3",
        "type": "bidirectional",
        "description": "General-purpose I/O 17 (Group 2 pin) with SPI-A slave out/master in and Trip Zone 3 input alternate functions."
      },
      {
        "number": "27",
        "name": "GPIO16/SPISIMOA/TZ2",
        "type": "bidirectional",
        "description": "General-purpose I/O 16 (Group 2 pin) with SPI-A slave in/master out and Trip Zone 2 input alternate functions."
      },
      {
        "number": "28",
        "name": "GPIO1/EPWM1B/COMP1OUT",
        "type": "bidirectional",
        "description": "General-purpose I/O 1 with ePWM1B output and direct Comparator 1 output (COMP1OUT) alternate functions; PWM pullups are not enabled at reset."
      },
      {
        "number": "29",
        "name": "GPIO0/EPWM1A",
        "type": "bidirectional",
        "description": "General-purpose I/O 0 with ePWM1A output alternate function; PWM pullups are not enabled at reset."
      },
      {
        "number": "30",
        "name": "TEST",
        "type": "bidirectional",
        "description": "Test pin reserved for TI; must be left unconnected."
      },
      {
        "number": "31",
        "name": "GPIO32/SDAA/EPWMSYNCI/ADCSOCAO",
        "type": "bidirectional",
        "description": "General-purpose I/O 32 with I2C-A data (open-drain), ePWM sync input, and ADC SOC-A output alternate functions; not available in the 38-pin package."
      },
      {
        "number": "32",
        "name": "VDD",
        "type": "power_in",
        "description": "CPU and logic digital power; no supply needed when internal VREG is used, tie with 1.2 µF (minimum) ceramic capacitor to ground; when VREG is disabled, supply 1.71 V to 1.995 V externally."
      },
      {
        "number": "33",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "34",
        "name": "VREGENZ",
        "type": "input",
        "description": "Internal voltage regulator enable: pull low to enable the internal VREG, pull high to disable it."
      },
      {
        "number": "35",
        "name": "VDDIO",
        "type": "power_in",
        "description": "Digital I/O and flash power pin, single supply source when VREG is enabled; 2.97 V to 3.63 V nominal 3.3 V with a 2.2-µF capacitor (typical) close to the pin."
      },
      {
        "number": "36",
        "name": "GPIO33/SCLA/EPWMSYNCO/ADCSOCBO",
        "type": "bidirectional",
        "description": "General-purpose I/O 33 with I2C-A clock (open-drain), ePWM sync output and ADC SOC-B output alternate functions; not available in the 38-pin package."
      },
      {
        "number": "37",
        "name": "GPIO2/EPWM2A",
        "type": "bidirectional",
        "description": "General-purpose I/O 2 with ePWM2A output alternate function; PWM pullups are not enabled at reset."
      },
      {
        "number": "38",
        "name": "GPIO3/EPWM2B/COMP2OUT",
        "type": "bidirectional",
        "description": "General-purpose I/O 3 with ePWM2B output and direct Comparator 2 output (COMP2OUT, 48-pin device only) alternate functions."
      },
      {
        "number": "39",
        "name": "GPIO4/EPWM3A",
        "type": "bidirectional",
        "description": "General-purpose I/O 4 with ePWM3A output alternate function; PWM pullups are not enabled at reset."
      },
      {
        "number": "40",
        "name": "GPIO5/EPWM3B/ECAP1",
        "type": "bidirectional",
        "description": "General-purpose I/O 5 with ePWM3B output and eCAP1 input/output alternate functions."
      },
      {
        "number": "41",
        "name": "GPIO6/EPWMSYNCI/EPWMSYNCO",
        "type": "bidirectional",
        "description": "General-purpose I/O 6 with external ePWM sync pulse input (EPWMSYNCI) and output (EPWMSYNCO) alternate functions."
      },
      {
        "number": "42",
        "name": "GPIO7/SCIRXDA",
        "type": "bidirectional",
        "description": "General-purpose I/O 7 with SCI-A receive data alternate function."
      },
      {
        "number": "43",
        "name": "VDD",
        "type": "power_in",
        "description": "CPU and logic digital power; same requirements as pin 32 (1.2 µF minimum ceramic when using internal VREG, 1.71 V to 1.995 V when VREG is disabled)."
      },
      {
        "number": "44",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "45",
        "name": "X1",
        "type": "input",
        "description": "On-chip crystal oscillator input; a quartz crystal or ceramic resonator is connected across X1 and X2, and the pin must be tied to GND if not used."
      },
      {
        "number": "46",
        "name": "X2",
        "type": "output",
        "description": "On-chip crystal oscillator output; a quartz crystal or ceramic resonator is connected across X1 and X2, and the pin must be left unconnected if not used."
      },
      {
        "number": "47",
        "name": "GPIO12/TZ1/SCITXDA",
        "type": "bidirectional",
        "description": "General-purpose I/O 12 with Trip Zone 1 input and SCI-A transmit data alternate functions."
      },
      {
        "number": "48",
        "name": "GPIO28/SCIRXDA/SDAA/TZ2",
        "type": "bidirectional",
        "description": "General-purpose I/O 28 (Group 2 pin) with SCI receive, I2C-A data (open-drain) and Trip Zone 2 alternate functions."
      }
    ],
    "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: Datasheet Table 3-1 lists this pin as VREFLO with type I (ADC low reference always tied to ground); ; Datasheet lists TEST as I/O reserved for TI; mapped to bidirectional. It must be left unconnected pe; Pins listed as I/O/Z or I/OD in the datasheet were mapped to KiCad bidirectional, since the schema h"
        ],
        "pages_sent": 44,
        "cost_usd": 0.2563,
        "at": "2026-10-11T01:57:09"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tms320f280270",
        "pages": 131,
        "sha256": "c31e28b9bb70e614",
        "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": "tms320f280270ptt.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": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tms320f280270ptt-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": "335eece12cc8a150d8d4c63733d1f272db57ca5160c6a765408755d437f46e59",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}