MSP430FR2353TRSMR

{
  "slug": "msp430fr2353trsmr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Microcontrollers (MCU/MPU/SOC), VQFN-32(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "msp430fr2353trsmr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "msp430fr2353trsmr.kicad_sym",
    "msp430fr2353trsmr.kicad_mod",
    "msp430fr2353trsmr.glb",
    "msp430fr2353trsmr.step",
    "msp430fr2353trsmr.lbr",
    "docs/hero.png",
    "docs/msp430fr2353trsmr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "msp430fr2353trsmr-hero.glb",
    "msp430fr2353trsmr-hero.overlay.json"
  ],
  "component": {
    "mpn": "MSP430FR2353TRSMR",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-32(4x4)",
    "pin_count": 33,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/msp430fr2355",
    "parts": {
      "symbol": "msp430fr2353trsmr.kicad_sym",
      "footprint": "msp430fr2353trsmr.kicad_mod",
      "model_3d": "msp430fr2353trsmr-hero.glb",
      "model_3d_plain": "msp430fr2353trsmr.glb",
      "model_3d_step": "msp430fr2353trsmr-etched.step",
      "model_3d_step_plain": "msp430fr2353trsmr.step",
      "lbr": "msp430fr2353trsmr.lbr"
    },
    "distributor_links": {
      "lcsc": "C3225657",
      "digikey": "296-MSP430FR2353TRSMRTR-ND",
      "mouser": "595-SP430FR2353TRSMR"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T13:25:48Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-MSP430FR2353TRSMRTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-SP430FR2353TRSMR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "P1.1",
        "type": "bidirectional",
        "description": "General-purpose I/O P1.1 that also carries UCB0CLK, ACLK output, OA0O, COMP0.1 and analog input A1; reset default is OFF (high-impedance input with pullup/pulldown disabled)."
      },
      {
        "number": "2",
        "name": "P1.0",
        "type": "bidirectional",
        "description": "General-purpose I/O P1.0 that also carries UCB0STE, SMCLK output, COMP0.0, analog input A0 and the ADC positive reference Veref+; reset default is OFF."
      },
      {
        "number": "3",
        "name": "TEST/SBWTCK",
        "type": "input",
        "description": "Test mode pin and Spy-Bi-Wire clock input; it always has an internal pulldown enabled, so leave it open when unused."
      },
      {
        "number": "4",
        "name": "RST/NMI/SBWTDIO",
        "type": "bidirectional",
        "description": "Reset (RST), non-maskable interrupt (NMI) and Spy-Bi-Wire data (SBWTDIO); when unused, use a 47-kΩ pullup to DVCC or the internal pullup with a 10-nF (or 1.1-nF) pulldown."
      },
      {
        "number": "5",
        "name": "DVCC",
        "type": "power_in",
        "description": "Main power supply pin for digital and analog modules; supply is 1.8 V to 3.6 V with a recommended 4.7 µF to 10 µF capacitor at DVCC."
      },
      {
        "number": "6",
        "name": "DVSS",
        "type": "power_in",
        "description": "Ground reference pin for the device at 0 V."
      },
      {
        "number": "7",
        "name": "P2.7/TB0CLK/XIN",
        "type": "bidirectional",
        "description": "General-purpose I/O P2.7 that also provides the TB0CLK timer clock input and the crystal oscillator input XIN; reset default is OFF."
      },
      {
        "number": "8",
        "name": "P2.6/MCLK/XOUT",
        "type": "bidirectional",
        "description": "General-purpose I/O P2.6 that also provides the MCLK output and the crystal oscillator output XOUT; reset default is OFF."
      },
      {
        "number": "9",
        "name": "P2.5/COMP1.0",
        "type": "bidirectional",
        "description": "General-purpose I/O P2.5 that also serves as eCOMP1 comparator input COMP1.0; reset default is OFF."
      },
      {
        "number": "10",
        "name": "P2.4/COMP1.1",
        "type": "bidirectional",
        "description": "General-purpose I/O P2.4 that also serves as eCOMP1 comparator input COMP1.1; reset default is OFF."
      },
      {
        "number": "11",
        "name": "P4.7/UCB1SOMI/UCB1SCL",
        "type": "bidirectional",
        "description": "General-purpose I/O P4.7 that also carries eUSCI_B1 SOMI in SPI mode or SCL in I2C mode; reset default is OFF."
      },
      {
        "number": "12",
        "name": "P4.6/UCB1SIMO/UCB1SDA",
        "type": "bidirectional",
        "description": "General-purpose I/O P4.6 that also carries eUSCI_B1 SIMO in SPI mode or SDA in I2C mode; reset default is OFF."
      },
      {
        "number": "13",
        "name": "P4.3/UCA1TXD/UCA1SIMO",
        "type": "bidirectional",
        "description": "General-purpose I/O P4.3 that also carries eUSCI_A1 TXD in UART mode or SIMO in SPI mode; reset default is OFF."
      },
      {
        "number": "14",
        "name": "P4.2/UCA1RXD/UCA1SOMI",
        "type": "bidirectional",
        "description": "General-purpose I/O P4.2 that also carries eUSCI_A1 RXD in UART mode or SOMI in SPI mode; reset default is OFF."
      },
      {
        "number": "15",
        "name": "P4.1/UCA1CLK",
        "type": "bidirectional",
        "description": "General-purpose I/O P4.1 that also carries the eUSCI_A1 clock UCA1CLK; reset default is OFF."
      },
      {
        "number": "16",
        "name": "P4.0/UCA1STE/ISOTXD/ISORXD",
        "type": "bidirectional",
        "description": "General-purpose I/O P4.0 that also carries eUSCI_A1 STE, ISOTXD and ISORXD; reset default is OFF."
      },
      {
        "number": "17",
        "name": "P2.1/TB1.2/COMP1.O",
        "type": "bidirectional",
        "description": "General-purpose I/O P2.1 that also carries Timer TB1 CCR2 (TB1.2) and the eCOMP1 comparator output COMP1.O; reset default is OFF."
      },
      {
        "number": "18",
        "name": "P2.0/TB1.1/COMP0.O",
        "type": "bidirectional",
        "description": "General-purpose I/O P2.0 that also carries Timer TB1 CCR1 (TB1.1) and the eCOMP0 comparator output COMP0.O; reset default is OFF."
      },
      {
        "number": "19",
        "name": "P1.7/UCA0TXD/UCA0SIMO/TB0.2/TDO/OA1+/A7/VREF+",
        "type": "bidirectional",
        "description": "General-purpose I/O P1.7 that also carries eUSCI_A0 TXD/SIMO, Timer TB0.2, JTAG TDO, OA1+, analog input A7 and VREF+; reset default is OFF."
      },
      {
        "number": "20",
        "name": "P1.6/UCA0RXD/UCA0SOMI/TB0.1/TDI/TCLK/OA1-/A6",
        "type": "bidirectional",
        "description": "General-purpose I/O P1.6 that also carries eUSCI_A0 RXD/SOMI, Timer TB0.1, JTAG TDI/TCLK, OA1- and analog input A6; reset default is OFF."
      },
      {
        "number": "21",
        "name": "P1.5/UCA0CLK/TMS/OA1O/A5",
        "type": "bidirectional",
        "description": "General-purpose I/O P1.5 that also carries eUSCI_A0 clock, JTAG TMS, OA1O and analog input A5; reset default is OFF."
      },
      {
        "number": "22",
        "name": "P1.4/UCA0STE/TCK/A4",
        "type": "bidirectional",
        "description": "General-purpose I/O P1.4 that also carries eUSCI_A0 STE, JTAG TCK and analog input A4; reset default is OFF."
      },
      {
        "number": "23",
        "name": "P3.7/OA3+",
        "type": "bidirectional",
        "description": "General-purpose I/O P3.7 that also serves as the non-inverting input OA3+ of SAC3 (MSP430FR235x devices only); reset default is OFF."
      },
      {
        "number": "24",
        "name": "P3.6/OA3-",
        "type": "bidirectional",
        "description": "General-purpose I/O P3.6 that also serves as the inverting input OA3- of SAC3 (MSP430FR235x devices only); reset default is OFF."
      },
      {
        "number": "25",
        "name": "P3.5/OA3O",
        "type": "bidirectional",
        "description": "General-purpose I/O P3.5 that also serves as the SAC3 operational amplifier output OA3O (MSP430FR235x devices only); reset default is OFF."
      },
      {
        "number": "26",
        "name": "P3.4/SMCLK",
        "type": "bidirectional",
        "description": "General-purpose I/O P3.4 that also provides the SMCLK output; reset default is OFF."
      },
      {
        "number": "27",
        "name": "P3.3/OA2+",
        "type": "bidirectional",
        "description": "General-purpose I/O P3.3 that also serves as the non-inverting input OA2+ of SAC2 (MSP430FR235x devices only); reset default is OFF."
      },
      {
        "number": "28",
        "name": "P3.2/OA2-",
        "type": "bidirectional",
        "description": "General-purpose I/O P3.2 that also serves as the inverting input OA2- of SAC2 (MSP430FR235x devices only); reset default is OFF."
      },
      {
        "number": "29",
        "name": "P3.1/OA2O",
        "type": "bidirectional",
        "description": "General-purpose I/O P3.1 that also serves as the SAC2 operational amplifier output OA2O (MSP430FR235x devices only); reset default is OFF."
      },
      {
        "number": "30",
        "name": "P3.0/MCLK",
        "type": "bidirectional",
        "description": "General-purpose I/O P3.0 that also provides the MCLK output; reset default is OFF."
      },
      {
        "number": "31",
        "name": "P1.3/UCB0SOMI/UCB0SCL/OA0+/A3",
        "type": "bidirectional",
        "description": "General-purpose I/O P1.3 that also carries eUSCI_B0 SOMI/SCL, OA0+ and analog input A3; reset default is OFF."
      },
      {
        "number": "32",
        "name": "P1.2/UCB0SIMO/UCB0SDA/TB0TRG/OA0-/A2/Veref-",
        "type": "bidirectional",
        "description": "General-purpose I/O P1.2 that also carries eUSCI_B0 SIMO/SDA, Timer TB0 external trigger TB0TRG, OA0-, analog input A2 and the ADC negative reference Veref-; reset default is OFF."
      },
      {
        "number": "33",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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 exposed thermal pad of the VQFN package is not numbered; the datasheet only says to connect it t; Datasheet pages 20-21 and 23-24 are missing from the supplied text. The RSM pin numbers for P1.3-P1.; Several pins are shown as functions only in the FR235x variant (SAC/OA pins P3.1-P3.7 and OA0/OA1/OA",
          "exposed pad 33 added from the footprint"
        ],
        "pages_sent": 61,
        "cost_usd": 0.3298,
        "at": "2026-10-11T13:25:33"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/msp430fr2355",
        "pages": 152,
        "sha256": "5c9415ae2d5d14ad",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 33,
        "described": 33,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "msp430fr2353trsmr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.6
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7b482a511cdf2cf875c31931f9fea7f745b8dac2ea6203531cd6604f40a290cb",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "msp430fr2353trsmr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.6
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "5ce958894d668ca9141d2d621b38bcb60d2c78677c4aee4fc032af7c2f726fe6",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}