MSP430FR2155TRSMR

{
  "slug": "msp430fr2155trsmr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Microcontrollers (MCU/MPU/SOC), VQFN-32-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "msp430fr2155trsmr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
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    "msp430fr2155trsmr.glb",
    "msp430fr2155trsmr.step",
    "msp430fr2155trsmr.lbr",
    "docs/hero.png",
    "docs/msp430fr2155trsmr-datasheet.pdf",
    "viewers/symbol.html",
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  "component": {
    "mpn": "MSP430FR2155TRSMR",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-32-EP(4x4)",
    "pin_count": 33,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/msp430fr2355",
    "parts": {
      "symbol": "msp430fr2155trsmr.kicad_sym",
      "footprint": "msp430fr2155trsmr.kicad_mod",
      "model_3d": "msp430fr2155trsmr-etched.glb",
      "model_3d_plain": "msp430fr2155trsmr.glb",
      "model_3d_step": "msp430fr2155trsmr-etched.step",
      "model_3d_step_plain": "msp430fr2155trsmr.step",
      "lbr": "msp430fr2155trsmr.lbr"
    },
    "distributor_links": {
      "lcsc": "C1850117",
      "digikey": "296-MSP430FR2155TRSMRTR-ND",
      "mouser": "595-SP430FR2155TRSMR"
    },
    "distributor_check": {
      "checked_at": "2026-09-30T01:25:55Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-MSP430FR2155TRSMRTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-SP430FR2155TRSMR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "P1.1/UCB0CLK/ACLK/COMP0.1/A1",
        "type": "bidirectional",
        "description": "Port 1 Pin 1: General-purpose I/O with auxiliary clock output, eUSCI_B0 clock input, comparator positive input, and analog input A1 functions selectable via P1SEL register bits."
      },
      {
        "number": "2",
        "name": "P1.0/UCB0STE/SMCLK/COMP0.0/A0/Veref+",
        "type": "bidirectional",
        "description": "Port 1 Pin 0: General-purpose I/O with subsystem master clock output, eUSCI_B0 slave transmit enable, comparator input, and ADC reference voltage positive input (Veref+) selectable via P1SEL register bits."
      },
      {
        "number": "3",
        "name": "TEST/SBWTCK",
        "type": "input",
        "description": "Test mode input pin for JTAG or Spy-Bi-Wire interface clock (SBWTCK); requires internal pulldown (always enabled)."
      },
      {
        "number": "4",
        "name": "RST/NMI/SBWTDIO",
        "type": "bidirectional",
        "description": "Reset input (active low) or non-maskable interrupt input; also Spy-Bi-Wire data I/O (SBWTDIO); 47-k\u03a9 internal pullup available."
      },
      {
        "number": "5",
        "name": "DVCC",
        "type": "power_in",
        "description": "Digital power supply voltage (1.8 V to 3.6 V); requires 10-\u00b5F bulk capacitor and 100-nF ceramic bypass capacitor placed within few millimeters."
      },
      {
        "number": "6",
        "name": "DVSS",
        "type": "power_in",
        "description": "Digital ground (0 V reference); connect thermal pad to VSS for proper heat dissipation."
      },
      {
        "number": "7",
        "name": "P2.7/TB0CLK/XIN",
        "type": "bidirectional",
        "description": "Port 2 Pin 7: General-purpose I/O with Timer_B0 clock input and external low-frequency crystal oscillator input (32 kHz) selectable via P2SEL register bits."
      },
      {
        "number": "8",
        "name": "P2.6/MCLK/XOUT",
        "type": "bidirectional",
        "description": "Port 2 Pin 6: General-purpose I/O with main clock (MCLK) output and external low-frequency crystal oscillator output selectable via P2SEL register bits."
      },
      {
        "number": "9",
        "name": "P2.5/COMP1.0",
        "type": "bidirectional",
        "description": "Port 2 Pin 5: General-purpose I/O with enhanced comparator 1 positive input selectable via P2SEL register bits."
      },
      {
        "number": "10",
        "name": "P2.4/COMP1.1",
        "type": "bidirectional",
        "description": "Port 2 Pin 4: General-purpose I/O with enhanced comparator 1 negative input selectable via P2SEL register bits."
      },
      {
        "number": "11",
        "name": "P4.7/UCB1SCL",
        "type": "bidirectional",
        "description": "Port 4 Pin 7: General-purpose I/O with eUSCI_B1 I2C serial clock (SCL) or SPI serial clock input selectable via P4SEL register bits."
      },
      {
        "number": "12",
        "name": "P4.6/UCB1SDA",
        "type": "bidirectional",
        "description": "Port 4 Pin 6: General-purpose I/O with eUSCI_B1 I2C serial data (SDA) or SPI master in/slave out selectable via P4SEL register bits."
      },
      {
        "number": "13",
        "name": "P4.3/UCA1TXD/UCA1SIMO",
        "type": "bidirectional",
        "description": "Port 4 Pin 3: General-purpose I/O with eUSCI_A1 transmit data output or SPI serial data in/master out selectable via P4SEL register bits."
      },
      {
        "number": "14",
        "name": "P4.2/UCA1RXD/UCA1SOMI",
        "type": "bidirectional",
        "description": "Port 4 Pin 2: General-purpose I/O with eUSCI_A1 receive data input or SPI serial data out/master in selectable via P4SEL register bits."
      },
      {
        "number": "15",
        "name": "P4.1/UCA1CLK",
        "type": "bidirectional",
        "description": "Port 4 Pin 1: General-purpose I/O with eUSCI_A1 serial clock input/output selectable via P4SEL register bits."
      },
      {
        "number": "16",
        "name": "P4.0/UCA1STE/ISOTXD/ISORXD",
        "type": "bidirectional",
        "description": "Port 4 Pin 0: General-purpose I/O with eUSCI_A1 slave transmit enable, or isolated data transmit/receive selectable via P4SEL register bits."
      },
      {
        "number": "17",
        "name": "P2.1/TB1.2/COMP1.O",
        "type": "bidirectional",
        "description": "Port 2 Pin 1: General-purpose I/O with Timer_B1 capture/compare register output, or enhanced comparator 1 output selectable via P2SEL register bits."
      },
      {
        "number": "18",
        "name": "P2.0/TB1.1/COMP0.O",
        "type": "bidirectional",
        "description": "Port 2 Pin 0: General-purpose I/O with Timer_B1 capture/compare register output, or enhanced comparator 0 output selectable via P2SEL register bits."
      },
      {
        "number": "19",
        "name": "P1.7/UCA0TXD/UCA0SIMO/TB0.2/TDO/A7/VREF+",
        "type": "bidirectional",
        "description": "Port 1 Pin 7: General-purpose I/O with eUSCI_A0 transmit/SPI master in/slave out, Timer_B0 output, JTAG data out, ADC input A7, or 1.2-V reference output selectable via P1SEL register bits."
      },
      {
        "number": "20",
        "name": "P1.6/UCA0RXD/UCA0SOMI/TB0.1/TDI/TCLK/A6",
        "type": "bidirectional",
        "description": "Port 1 Pin 6: General-purpose I/O with eUSCI_A0 receive/SPI slave out, Timer_B0 output, JTAG data in/test clock, and ADC input A6 selectable via P1SEL register bits."
      },
      {
        "number": "21",
        "name": "P1.5/UCA0CLK/TMS/A5",
        "type": "bidirectional",
        "description": "Port 1 Pin 5: General-purpose I/O with eUSCI_A0 serial clock, JTAG test mode select, and ADC input A5 selectable via P1SEL register bits."
      },
      {
        "number": "22",
        "name": "P1.4/UCA0STE/TCK/A4",
        "type": "bidirectional",
        "description": "Port 1 Pin 4: General-purpose I/O with eUSCI_A0 slave transmit enable, JTAG test clock, and ADC input A4 selectable via P1SEL register bits."
      },
      {
        "number": "23",
        "name": "P3.7",
        "type": "bidirectional",
        "description": "Port 3 Pin 7: General-purpose I/O with selectable alternate function via P3SEL register bits."
      },
      {
        "number": "24",
        "name": "P3.6",
        "type": "bidirectional",
        "description": "Port 3 Pin 6: General-purpose I/O with selectable alternate function via P3SEL register bits."
      },
      {
        "number": "25",
        "name": "P3.5",
        "type": "bidirectional",
        "description": "Port 3 Pin 5: General-purpose I/O with selectable alternate function via P3SEL register bits."
      },
      {
        "number": "26",
        "name": "P3.4/SMCLK",
        "type": "bidirectional",
        "description": "Port 3 Pin 4: General-purpose I/O with subsystem master clock (SMCLK) output selectable via P3SEL register bits."
      },
      {
        "number": "27",
        "name": "P3.3",
        "type": "bidirectional",
        "description": "Port 3 Pin 3: General-purpose I/O with selectable alternate function via P3SEL register bits."
      },
      {
        "number": "28",
        "name": "P3.2",
        "type": "bidirectional",
        "description": "Port 3 Pin 2: General-purpose I/O with selectable alternate function via P3SEL register bits."
      },
      {
        "number": "29",
        "name": "P3.1",
        "type": "bidirectional",
        "description": "Port 3 Pin 1: General-purpose I/O with selectable alternate function via P3SEL register bits."
      },
      {
        "number": "30",
        "name": "P3.0/MCLK",
        "type": "bidirectional",
        "description": "Port 3 Pin 0: General-purpose I/O with main clock (MCLK) output selectable via P3SEL register bits."
      },
      {
        "number": "31",
        "name": "P1.3/UCB0SOMI/UCB0SCL/A3",
        "type": "bidirectional",
        "description": "Port 1 Pin 3: General-purpose I/O with eUSCI_B0 slave out/master in or I2C serial clock, and ADC input A3 selectable via P1SEL register bits."
      },
      {
        "number": "32",
        "name": "P1.2/UCB0SIMO/UCB0SDA/TB0TRG/A2/Veref-",
        "type": "bidirectional",
        "description": "Port 1 Pin 2: General-purpose I/O with eUSCI_B0 master in/slave out or I2C serial data, Timer_B0 external trigger, ADC input A2, or reference voltage negative input selectable via P1SEL register bits."
      },
      {
        "number": "33",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: P3.x pin assignments (pins 23-30) could not be independently verified in the source diagrams but are; The actual physical pin order around the VQFN package perimeter was inferred from diagram positionin",
          "exposed pad 33 added from the footprint"
        ],
        "pages_sent": null,
        "cost_usd": 0.3069,
        "at": "2026-09-30T01:25:38"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/msp430fr2355",
        "pages": 146,
        "sha256": "20e2c81ab11138f8",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 33,
        "described": 33,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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}