MSP432E401YTPDT

{
  "slug": "msp432e401ytpdt",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Microcontrollers (MCU/MPU/SOC), TQFP-128(14x14). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "msp432e401ytpdt",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "msp432e401ytpdt.kicad_sym",
    "msp432e401ytpdt.kicad_mod",
    "msp432e401ytpdt.glb",
    "msp432e401ytpdt.step",
    "msp432e401ytpdt.lbr",
    "docs/hero.png",
    "docs/msp432e401ytpdt-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "msp432e401ytpdt-hero.glb",
    "msp432e401ytpdt-hero.overlay.json"
  ],
  "component": {
    "mpn": "MSP432E401YTPDT",
    "manufacturer": "Texas Instruments",
    "package": "TQFP-128(14x14)",
    "pin_count": 128,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/msp432e401y",
    "parts": {
      "symbol": "msp432e401ytpdt.kicad_sym",
      "footprint": "msp432e401ytpdt.kicad_mod",
      "model_3d": "msp432e401ytpdt-hero.glb",
      "model_3d_plain": "msp432e401ytpdt.glb",
      "model_3d_step": "msp432e401ytpdt-etched.step",
      "model_3d_step_plain": "msp432e401ytpdt.step",
      "lbr": "msp432e401ytpdt.lbr"
    },
    "distributor_links": {
      "lcsc": "C1339943",
      "digikey": "296-47559-ND",
      "mouser": "595-MSP432E401YTPDT"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T19:12:33Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-47559-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-MSP432E401YTPDT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PD0",
        "type": "bidirectional",
        "description": "GPIO port D bit 0 (LVCMOS 3.3 V, high-impedance after reset); analog input AIN15 with alternate functions C0o, I2C7SCL, SSI2XDAT1 and T0CCP0."
      },
      {
        "number": "2",
        "name": "PD1",
        "type": "bidirectional",
        "description": "GPIO port D bit 1 (LVCMOS 3.3 V, high-impedance after reset); analog input AIN14 with alternate functions C1o, I2C7SDA, SSI2XDAT0 and T0CCP1."
      },
      {
        "number": "3",
        "name": "PD2",
        "type": "bidirectional",
        "description": "GPIO port D bit 2 (LVCMOS 3.3 V, high-impedance after reset); analog input AIN13 with alternate functions C2o, I2C8SCL, SSI2Fss and T1CCP0."
      },
      {
        "number": "4",
        "name": "PD3",
        "type": "bidirectional",
        "description": "GPIO port D bit 3 (LVCMOS 3.3 V, high-impedance after reset); analog input AIN12 with alternate functions I2C8SDA, SSI2Clk and T1CCP1."
      },
      {
        "number": "5",
        "name": "PQ0",
        "type": "bidirectional",
        "description": "GPIO port Q bit 0 (LVCMOS 3.3 V, high-impedance after reset) with alternate functions EPI0S20 and SSI3Clk."
      },
      {
        "number": "6",
        "name": "PQ1",
        "type": "bidirectional",
        "description": "GPIO port Q bit 1 with alternate functions EPI0S21 and SSI3Fss."
      },
      {
        "number": "7",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply for I/O and some logic; 2.97 V to 3.63 V (3.3 V nominal)."
      },
      {
        "number": "8",
        "name": "VDDA",
        "type": "power_in",
        "description": "Positive supply for analog circuits (ADC, analog comparators), separated from VDD; 2.97 V to 3.63 V, and power VDDA before VDD if sourced from a different supply."
      },
      {
        "number": "9",
        "name": "VREFA+",
        "type": "input",
        "description": "ADC reference voltage that sets the full-scale point (AINn converts to 4095), limited to the ADC electrical specification range; connect to VDDA if unused."
      },
      {
        "number": "10",
        "name": "GNDA",
        "type": "power_in",
        "description": "Ground reference for analog circuits (ADC, analog comparators), kept separate from GND to reduce noise coupling."
      },
      {
        "number": "11",
        "name": "PQ2",
        "type": "bidirectional",
        "description": "GPIO port Q bit 2 with alternate functions EPI0S22 and SSI3XDAT0."
      },
      {
        "number": "12",
        "name": "PE3",
        "type": "bidirectional",
        "description": "GPIO port E bit 3 (LVCMOS 3.3 V); analog input AIN0."
      },
      {
        "number": "13",
        "name": "PE2",
        "type": "bidirectional",
        "description": "GPIO port E bit 2 (LVCMOS 3.3 V); analog input AIN1 with alternate function U1DCD."
      },
      {
        "number": "14",
        "name": "PE1",
        "type": "bidirectional",
        "description": "GPIO port E bit 1 (LVCMOS 3.3 V); analog input AIN2 with alternate function U1DSR."
      },
      {
        "number": "15",
        "name": "PE0",
        "type": "bidirectional",
        "description": "GPIO port E bit 0 (LVCMOS 3.3 V); analog input AIN3 with alternate function U1RTS."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply for I/O and some logic; 2.97 V to 3.63 V (3.3 V nominal)."
      },
      {
        "number": "17",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for logic and I/O pins."
      },
      {
        "number": "18",
        "name": "PK0",
        "type": "bidirectional",
        "description": "GPIO port K bit 0 (LVCMOS 3.3 V); analog input AIN16 with alternate functions U4Rx and EPI0S0."
      },
      {
        "number": "19",
        "name": "PK1",
        "type": "bidirectional",
        "description": "GPIO port K bit 1 (LVCMOS 3.3 V); analog input AIN17 with alternate functions U4Tx and EPI0S1."
      },
      {
        "number": "20",
        "name": "PK2",
        "type": "bidirectional",
        "description": "GPIO port K bit 2 (LVCMOS 3.3 V); analog input AIN18 with alternate functions U4RTS and EPI0S2."
      },
      {
        "number": "21",
        "name": "PK3",
        "type": "bidirectional",
        "description": "GPIO port K bit 3 (LVCMOS 3.3 V); analog input AIN19 with alternate functions U4CTS and EPI0S3."
      },
      {
        "number": "22",
        "name": "PC7",
        "type": "bidirectional",
        "description": "GPIO port C bit 7 (3.3-V tolerant); analog comparator 0 negative input C0- with alternate functions U5Tx and EPI0S4."
      },
      {
        "number": "23",
        "name": "PC6",
        "type": "bidirectional",
        "description": "GPIO port C bit 6 (3.3-V tolerant); analog comparator 0 positive input C0+ with alternate functions U5Rx and EPI0S5."
      },
      {
        "number": "24",
        "name": "PC5",
        "type": "bidirectional",
        "description": "GPIO port C bit 5 (3.3-V tolerant); analog comparator 1 positive input C1+ with alternate functions U7Tx, RTCCLK and EPI0S6."
      },
      {
        "number": "25",
        "name": "PC4",
        "type": "bidirectional",
        "description": "GPIO port C bit 4 (3.3-V tolerant); analog comparator 1 negative input C1- with alternate functions U7Rx and EPI0S7."
      },
      {
        "number": "26",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply for I/O and some logic; 2.97 V to 3.63 V (3.3 V nominal)."
      },
      {
        "number": "27",
        "name": "PQ3",
        "type": "bidirectional",
        "description": "GPIO port Q bit 3 with alternate functions EPI0S23 and SSI3XDAT1."
      },
      {
        "number": "28",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply for I/O and some logic; 2.97 V to 3.63 V (3.3 V nominal)."
      },
      {
        "number": "29",
        "name": "PH0",
        "type": "bidirectional",
        "description": "GPIO port H bit 0 with alternate functions EPI0S0 and U0RTS."
      },
      {
        "number": "30",
        "name": "PH1",
        "type": "bidirectional",
        "description": "GPIO port H bit 1 with alternate functions EPI0S1 and U0CTS."
      },
      {
        "number": "31",
        "name": "PH2",
        "type": "bidirectional",
        "description": "GPIO port H bit 2 with alternate functions EPI0S2 and U0DCD."
      },
      {
        "number": "32",
        "name": "PH3",
        "type": "bidirectional",
        "description": "GPIO port H bit 3 with alternate functions EPI0S3 and U0DSR."
      },
      {
        "number": "33",
        "name": "PA0",
        "type": "bidirectional",
        "description": "GPIO port A bit 0 with alternate functions U0Rx, I2C9SCL, T0CCP0 and CAN0Rx (LVCMOS 3.3 V; ROM bootloader may use this pin as UART receive)."
      },
      {
        "number": "34",
        "name": "PA1",
        "type": "bidirectional",
        "description": "GPIO port A bit 1 with alternate functions U0Tx, I2C9SDA, T0CCP1 and CAN0Tx; the ROM bootloader may enable it as an output, so do not tie it directly to GND."
      },
      {
        "number": "35",
        "name": "PA2",
        "type": "bidirectional",
        "description": "GPIO port A bit 2 with alternate functions U4Rx, I2C8SCL, T1CCP0 and SSI0Clk."
      },
      {
        "number": "36",
        "name": "PA3",
        "type": "bidirectional",
        "description": "GPIO port A bit 3 with alternate functions U4Tx, I2C8SDA, T1CCP1 and SSI0Fss."
      },
      {
        "number": "37",
        "name": "PA4",
        "type": "bidirectional",
        "description": "GPIO port A bit 4 with alternate functions U3Rx, I2C7SCL, T2CCP0 and SSI0XDAT0; the ROM bootloader may enable it as an output, so do not tie it directly to GND."
      },
      {
        "number": "38",
        "name": "PA5",
        "type": "bidirectional",
        "description": "GPIO port A bit 5 with alternate functions U3Tx, I2C7SDA, T2CCP1 and SSI0XDAT1."
      },
      {
        "number": "39",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply for I/O and some logic; 2.97 V to 3.63 V (3.3 V nominal)."
      },
      {
        "number": "40",
        "name": "PA6",
        "type": "bidirectional",
        "description": "GPIO port A bit 6 with alternate functions U2Rx, I2C6SCL, T3CCP0, USB0EPEN, SSI0XDAT2 and EPI0S8."
      },
      {
        "number": "41",
        "name": "PA7",
        "type": "bidirectional",
        "description": "GPIO port A bit 7 with alternate functions U2Tx, I2C6SDA, T3CCP1, USB0PFLT, USB0EPEN, SSI0XDAT3 and EPI0S9."
      },
      {
        "number": "42",
        "name": "PF0",
        "type": "bidirectional",
        "description": "GPIO port F bit 0 with alternate functions M0PWM0, TRD2, EN0LED2 and SSI3XDAT1."
      },
      {
        "number": "43",
        "name": "PF1",
        "type": "bidirectional",
        "description": "GPIO port F bit 1 with alternate functions M0PWM1, TRD1 and SSI3XDAT0."
      },
      {
        "number": "44",
        "name": "PF2",
        "type": "bidirectional",
        "description": "GPIO port F bit 2 with alternate functions M0PWM2, TRD0 and SSI3Fss."
      },
      {
        "number": "45",
        "name": "PF3",
        "type": "bidirectional",
        "description": "GPIO port F bit 3 with alternate functions M0PWM3, TRCLK and SSI3Clk."
      },
      {
        "number": "46",
        "name": "PF4",
        "type": "bidirectional",
        "description": "GPIO port F bit 4 with alternate functions M0FAULT0, TRD3 and SSI3XDAT2."
      },
      {
        "number": "47",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply for I/O and some logic; 2.97 V to 3.63 V (3.3 V nominal)."
      },
      {
        "number": "48",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for logic and I/O pins."
      },
      {
        "number": "49",
        "name": "PG0",
        "type": "bidirectional",
        "description": "GPIO port G bit 0 with alternate functions EN0PPS, I2C1SCL, M0PWM4 and EPI0S11."
      },
      {
        "number": "50",
        "name": "PG1",
        "type": "bidirectional",
        "description": "GPIO port G bit 1 with alternate functions I2C1SDA, M0PWM5 and EPI0S10."
      },
      {
        "number": "51",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply for I/O and some logic; 2.97 V to 3.63 V (3.3 V nominal)."
      },
      {
        "number": "52",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply for I/O and some logic; 2.97 V to 3.63 V (3.3 V nominal)."
      },
      {
        "number": "53",
        "name": "EN0RXIN",
        "type": "bidirectional",
        "description": "Ethernet PHY negative receive differential input; leave unconnected (NC) when Ethernet is unused."
      },
      {
        "number": "54",
        "name": "EN0RXIP",
        "type": "bidirectional",
        "description": "Ethernet PHY positive receive differential input; leave unconnected (NC) when Ethernet is unused."
      },
      {
        "number": "55",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for logic and I/O pins."
      },
      {
        "number": "56",
        "name": "EN0TXON",
        "type": "bidirectional",
        "description": "Ethernet PHY negative transmit differential output; leave unconnected (NC) when Ethernet is unused."
      },
      {
        "number": "57",
        "name": "EN0TXOP",
        "type": "bidirectional",
        "description": "Ethernet PHY positive transmit differential output; leave unconnected (NC) when Ethernet is unused."
      },
      {
        "number": "58",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for logic and I/O pins."
      },
      {
        "number": "59",
        "name": "RBIAS",
        "type": "passive",
        "description": "Ethernet PHY bias: connect to ground through a 4.87-kΩ, 1% precision resistor."
      },
      {
        "number": "60",
        "name": "PK7",
        "type": "bidirectional",
        "description": "GPIO port K bit 7 with alternate functions I2C4SDA, EPI0S24, M0FAULT2, U0RI and RTCCLK."
      },
      {
        "number": "61",
        "name": "PK6",
        "type": "bidirectional",
        "description": "GPIO port K bit 6 with alternate functions I2C4SCL, EPI0S25, M0FAULT1 and EN0LED1."
      },
      {
        "number": "62",
        "name": "PK5",
        "type": "bidirectional",
        "description": "GPIO port K bit 5 with alternate functions I2C3SDA, EPI0S31 and M0PWM7."
      },
      {
        "number": "63",
        "name": "PK4",
        "type": "bidirectional",
        "description": "GPIO port K bit 4 with alternate functions I2C3SCL, EPI0S32, M0PWM6 and EN0LED0."
      },
      {
        "number": "64",
        "name": "WAKE",
        "type": "input",
        "description": "External input that brings the processor out of Hibernate mode when asserted; connect to GND if unused."
      },
      {
        "number": "65",
        "name": "HIB",
        "type": "output",
        "description": "Output that indicates the processor is in Hibernate mode; leave unconnected if unused."
      },
      {
        "number": "66",
        "name": "XOSC0",
        "type": "input",
        "description": "Hibernation oscillator crystal input or 32.768-kHz external clock reference for the Hibernation RTC; connect to GND if unused."
      },
      {
        "number": "67",
        "name": "XOSC1",
        "type": "output",
        "description": "Hibernation oscillator crystal output; leave unconnected when using a single-ended clock source."
      },
      {
        "number": "68",
        "name": "VBAT",
        "type": "power_in",
        "description": "Power source for the Hibernation module, normally the battery positive terminal; absolute maximum 0 to 4 V; connect to VDD if unused."
      },
      {
        "number": "69",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply for I/O and some logic; 2.97 V to 3.63 V (3.3 V nominal)."
      },
      {
        "number": "70",
        "name": "RST",
        "type": "input",
        "description": "System reset input; pull up to VDD through a 0 to 100-kΩ resistor (preferred practice)."
      },
      {
        "number": "71",
        "name": "PM7",
        "type": "bidirectional",
        "description": "GPIO port M bit 7 with alternate functions TMPR0, T5CCP1 and U0RI; drive strength limited to 2, 4, 6 and 8 mA."
      },
      {
        "number": "72",
        "name": "PM6",
        "type": "bidirectional",
        "description": "GPIO port M bit 6 with alternate functions TMPR1, T5CCP0 and U0DSR; drive strength limited to 2, 4, 6 and 8 mA."
      },
      {
        "number": "73",
        "name": "PM5",
        "type": "bidirectional",
        "description": "GPIO port M bit 5 with alternate functions TMPR2, T4CCP1 and U0DCD; drive strength limited to 2, 4, 6 and 8 mA."
      },
      {
        "number": "74",
        "name": "PM4",
        "type": "bidirectional",
        "description": "GPIO port M bit 4 with alternate functions TMPR3, T4CCP0 and U0CTS; drive strength limited to 2, 4, 6 and 8 mA."
      },
      {
        "number": "75",
        "name": "PM3",
        "type": "bidirectional",
        "description": "GPIO port M bit 3 with alternate function T3CCP1."
      },
      {
        "number": "76",
        "name": "PM2",
        "type": "bidirectional",
        "description": "GPIO port M bit 2 with alternate function T3CCP0."
      },
      {
        "number": "77",
        "name": "PM1",
        "type": "bidirectional",
        "description": "GPIO port M bit 1 with alternate function T2CCP1."
      },
      {
        "number": "78",
        "name": "PM0",
        "type": "bidirectional",
        "description": "GPIO port M bit 0 with alternate function T2CCP0."
      },
      {
        "number": "79",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply for I/O and some logic; 2.97 V to 3.63 V (3.3 V nominal)."
      },
      {
        "number": "80",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for logic and I/O pins."
      },
      {
        "number": "81",
        "name": "PL0",
        "type": "bidirectional",
        "description": "GPIO port L bit 0 with alternate functions I2C2SDA, USB0D0, M0FAULT3 and EPI0S16."
      },
      {
        "number": "82",
        "name": "PL1",
        "type": "bidirectional",
        "description": "GPIO port L bit 1 with alternate functions I2C2SCL, USB0D1, PhA0 and EPI0S17."
      },
      {
        "number": "83",
        "name": "PL2",
        "type": "bidirectional",
        "description": "GPIO port L bit 2 with alternate functions USB0D2, PhB0, C0o and EPI0S18."
      },
      {
        "number": "84",
        "name": "PL3",
        "type": "bidirectional",
        "description": "GPIO port L bit 3 with alternate functions USB0D3, IDX0, C1o and EPI0S19."
      },
      {
        "number": "85",
        "name": "PL4",
        "type": "bidirectional",
        "description": "GPIO port L bit 4 with alternate functions USB0D4, T0CCP0 and EPI0S26."
      },
      {
        "number": "86",
        "name": "PL5",
        "type": "bidirectional",
        "description": "GPIO port L bit 5 with alternate functions USB0D5, T0CCP1 and EPI0S33."
      },
      {
        "number": "87",
        "name": "VDDC",
        "type": "power_in",
        "description": "1.2-V core supply from the on-chip LDO (run mode 1.14 V to 1.32 V); connect only to the other VDDC pins and the external capacitor specified for the LDO."
      },
      {
        "number": "88",
        "name": "OSC0",
        "type": "input",
        "description": "Main oscillator crystal input or external clock reference input; connect to GND if unused (preferred practice)."
      },
      {
        "number": "89",
        "name": "OSC1",
        "type": "output",
        "description": "Main oscillator crystal output; leave unconnected when using a single-ended clock source."
      },
      {
        "number": "90",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply for I/O and some logic; 2.97 V to 3.63 V (3.3 V nominal)."
      },
      {
        "number": "91",
        "name": "PB2",
        "type": "bidirectional",
        "description": "GPIO port B bit 2 with alternate functions I2C0SCL, T5CCP0, USB0STP and EPI0S27."
      },
      {
        "number": "92",
        "name": "PB3",
        "type": "bidirectional",
        "description": "GPIO port B bit 3 with alternate functions I2C0SDA, T5CCP1, USB0CLK and EPI0S28."
      },
      {
        "number": "93",
        "name": "PL7",
        "type": "bidirectional",
        "description": "GPIO port L bit 7 (fast pad, 4-mA drive only) with alternate functions USB0DM and T1CCP1."
      },
      {
        "number": "94",
        "name": "PL6",
        "type": "bidirectional",
        "description": "GPIO port L bit 6 (fast pad, 4-mA drive only) with alternate functions USB0DP and T1CCP0."
      },
      {
        "number": "95",
        "name": "PB0",
        "type": "bidirectional",
        "description": "GPIO port B bit 0 with alternate functions USB0ID, U1Rx, I2C5SCL, T4CCP0 and CAN1Rx."
      },
      {
        "number": "96",
        "name": "PB1",
        "type": "bidirectional",
        "description": "GPIO port B bit 1 with alternate functions USB0VBUS, U1Tx, I2C5SDA, T4CCP1 and CAN1Tx."
      },
      {
        "number": "97",
        "name": "PC3/TDO/SWO",
        "type": "output",
        "description": "JTAG TDO and SWO trace output (default JTAG/SWD function after reset)."
      },
      {
        "number": "98",
        "name": "PC2/TDI",
        "type": "input",
        "description": "JTAG TDI test data input (default JTAG/SWD function after reset)."
      },
      {
        "number": "99",
        "name": "PC1/TMS/SWDIO",
        "type": "bidirectional",
        "description": "JTAG TMS and SWDIO test mode select / serial wire data I/O (default JTAG/SWD function after reset)."
      },
      {
        "number": "100",
        "name": "PC0/TCK/SWCLK",
        "type": "input",
        "description": "JTAG/SWD clock input (default JTAG/SWD function after reset)."
      },
      {
        "number": "101",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply for I/O and some logic; 2.97 V to 3.63 V (3.3 V nominal)."
      },
      {
        "number": "102",
        "name": "PQ4",
        "type": "bidirectional",
        "description": "GPIO port Q bit 4 with alternate functions DIVSCLK (optionally divided reference clock output) and U1Rx."
      },
      {
        "number": "103",
        "name": "PP2",
        "type": "bidirectional",
        "description": "GPIO port P bit 2 with alternate functions EPI0S29, U0DTR and USB0NXT."
      },
      {
        "number": "104",
        "name": "PP3",
        "type": "bidirectional",
        "description": "GPIO port P bit 3 with alternate functions EPI0S30, U1CTS, U0DCD, USB0DIR and RTCCLK."
      },
      {
        "number": "105",
        "name": "PP4",
        "type": "bidirectional",
        "description": "GPIO port P bit 4 with alternate functions U3RTS, U0DSR and USB0D7."
      },
      {
        "number": "106",
        "name": "PP5",
        "type": "bidirectional",
        "description": "GPIO port P bit 5 with alternate functions U3CTS, USB0D6 and I2C2SCL."
      },
      {
        "number": "107",
        "name": "PN0",
        "type": "bidirectional",
        "description": "GPIO port N bit 0 with alternate function U1RTS."
      },
      {
        "number": "108",
        "name": "PN1",
        "type": "bidirectional",
        "description": "GPIO port N bit 1 with alternate function U1CTS."
      },
      {
        "number": "109",
        "name": "PN2",
        "type": "bidirectional",
        "description": "GPIO port N bit 2 with alternate functions U1DCD and U2RTS."
      },
      {
        "number": "110",
        "name": "PN3",
        "type": "bidirectional",
        "description": "GPIO port N bit 3 with alternate functions U1DSR and U2CTS."
      },
      {
        "number": "111",
        "name": "PN4",
        "type": "bidirectional",
        "description": "GPIO port N bit 4 with alternate functions U1DTR, U3RTS and I2C2SDA."
      },
      {
        "number": "112",
        "name": "PN5",
        "type": "bidirectional",
        "description": "GPIO port N bit 5 with alternate functions U1RI, U3CTS and I2C2SCL."
      },
      {
        "number": "113",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply for I/O and some logic; 2.97 V to 3.63 V (3.3 V nominal)."
      },
      {
        "number": "114",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for logic and I/O pins."
      },
      {
        "number": "115",
        "name": "VDDC",
        "type": "power_in",
        "description": "1.2-V core supply from the on-chip LDO (run mode 1.14 V to 1.32 V); connect only to the other VDDC pins and the external capacitor specified for the LDO."
      },
      {
        "number": "116",
        "name": "PJ0",
        "type": "bidirectional",
        "description": "GPIO port J bit 0 with alternate function U3Rx."
      },
      {
        "number": "117",
        "name": "PJ1",
        "type": "bidirectional",
        "description": "GPIO port J bit 1 (slow pad, 2-mA drive) with alternate function U3Tx."
      },
      {
        "number": "118",
        "name": "PP0",
        "type": "bidirectional",
        "description": "GPIO port P bit 0 with alternate functions U6Rx and SSI3XDAT2."
      },
      {
        "number": "119",
        "name": "PP1",
        "type": "bidirectional",
        "description": "GPIO port P bit 1 with alternate functions U6Tx and SSI3XDAT3."
      },
      {
        "number": "120",
        "name": "PB5",
        "type": "bidirectional",
        "description": "GPIO port B bit 5; analog input AIN11 with alternate functions U0RTS, I2C5SDA and SSI1Clk."
      },
      {
        "number": "121",
        "name": "PB4",
        "type": "bidirectional",
        "description": "GPIO port B bit 4; analog input AIN10 with alternate functions U0CTS, I2C5SCL and SSI1Fss."
      },
      {
        "number": "122",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply for I/O and some logic; 2.97 V to 3.63 V (3.3 V nominal)."
      },
      {
        "number": "123",
        "name": "PE4",
        "type": "bidirectional",
        "description": "GPIO port E bit 4; analog input AIN9 with alternate functions SSI1XDAT0 and U1RI."
      },
      {
        "number": "124",
        "name": "PE5",
        "type": "bidirectional",
        "description": "GPIO port E bit 5; analog input AIN8 with alternate function SSI1XDAT1."
      },
      {
        "number": "125",
        "name": "PD4",
        "type": "bidirectional",
        "description": "GPIO port D bit 4; analog input AIN7 with alternate functions SSI1XDAT2, T3CCP0 and U2Rx."
      },
      {
        "number": "126",
        "name": "PD5",
        "type": "bidirectional",
        "description": "GPIO port D bit 5; analog input AIN6 with alternate functions SSI1XDAT3, T3CCP1 and U2Tx."
      },
      {
        "number": "127",
        "name": "PD6",
        "type": "bidirectional",
        "description": "GPIO port D bit 6; analog input AIN5 with alternate functions SSI2XDAT3, T4CCP0, U2RTS and USB0EPEN."
      },
      {
        "number": "128",
        "name": "PD7",
        "type": "bidirectional",
        "description": "GPIO port D bit 7 (locked as GPIO after reset); analog input AIN4 with alternate functions NMI, SSI2XDAT2, T4CCP1, U2CTS and USB0PFLT."
      }
    ],
    "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 pin-to-name mapping for pins 1-128 was rebuilt from the text extraction of the page-8 pin diagra; The supplied excerpt does not include the full Table 4-4 (GPIO alternate function map), only part of; Table 4-5 footnote: the ROM bootloader may enable PA1 (U0Tx) as an output when there is no code in f"
        ],
        "pages_sent": 30,
        "cost_usd": 0.2654,
        "at": "2026-10-08T19:11:38"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/msp432e401y",
        "pages": 157,
        "sha256": "67cd8a2b4daa368b",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 128,
        "described": 128,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "msp432e401ytpdt.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          16.0,
          16.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3b8d257b30f25cdf1e0f6a8c639d98f6174f71f83f9b50ea0ca10c4bbb58ee28",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "msp432e401ytpdt-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          16.0,
          16.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "bb5a6f6b165978ec4da8c1a4219ad49990285d0f9c87e9800a39a475aeb1280c",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}