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Ray Set visibility: public 9a2c1ff 1d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "ms51ba9ae",
  "title": "MS51BA9AE",
  "brief": "Nuvoton Tech Microcontroller Units (MCUs/MPUs/SOCs), MSOP-10(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "single chip microcomputer-microcontroller",
    "ms51ba9ae",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MS51BA9AE",
    "manufacturer": "Nuvoton Tech",
    "package": "MSOP-10(3x3)",
    "pin_count": 10,
    "category": "Single Chip Microcomputer/Microcontroller",
    "subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/34abae4f74da5e414a35dad6177959e3.pdf",
    "parts": {
      "symbol": "ms51ba9ae.kicad_sym",
      "footprint": "ms51ba9ae.kicad_mod",
      "model_3d": "ms51ba9ae-hero.glb",
      "model_3d_plain": "ms51ba9ae-etched.glb",
      "model_3d_step": "ms51ba9ae-etched.step",
      "model_3d_step_plain": "ms51ba9ae.step",
      "lbr": "ms51ba9ae.lbr"
    },
    "distributor_links": {
      "lcsc": "C2690269",
      "digikey": "816-MS51BA9AE-ND",
      "mouser": "503-MS51BA9AE"
    },
    "distributor_check": {
      "checked_at": "2026-10-26T19:20:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "816-MS51BA9AE-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "503-MS51BA9AE",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "P0.6",
        "type": "bidirectional",
        "description": "Port 0 bit 6 GPIO, multiplexed with ADC_CH3 (ADC input channel 3) and UART0_TXD (serial port 0 transmit data output)."
      },
      {
        "number": "2",
        "name": "nRESET",
        "type": "input",
        "description": "nRESET is a Schmitt trigger active-low hardware reset input with internal pull-up (10 kΩ pull-up and 10 uF capacitor recommended), also usable as P2.0 input when RPD (CONFIG0.2) is 0 and as UART0_RXD receive input."
      },
      {
        "number": "3",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground potential."
      },
      {
        "number": "4",
        "name": "P1.6",
        "type": "bidirectional",
        "description": "Port 1 bit 6 GPIO, multiplexed with ICE_DAT (ICP/ICE data input or output, 100 kΩ pull-up recommended), UART1_TXD and remappable [I2C0_SDA]."
      },
      {
        "number": "5",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage VDD for operation."
      },
      {
        "number": "6",
        "name": "P0.1",
        "type": "bidirectional",
        "description": "Port 0 bit 1 GPIO, multiplexed with ADC_CH7, PWM0_CH4, SPI0_MISO, IC4 and CLKO (clock output)."
      },
      {
        "number": "7",
        "name": "P0.2",
        "type": "bidirectional",
        "description": "Port 0 bit 2 GPIO, multiplexed with ICE_CLK (ICP clock input, 100 kΩ pull-up recommended), PWM0_CH0, UART1_RXD, IC0 and remappable [I2C0_SCL]."
      },
      {
        "number": "8",
        "name": "P0.3",
        "type": "bidirectional",
        "description": "Port 0 bit 3 GPIO, multiplexed with ADC_CH6, PWM0_CH5, I2C0_SCL, IC5 and remappable [STADC] external ADC start trigger."
      },
      {
        "number": "9",
        "name": "P0.4",
        "type": "bidirectional",
        "description": "Port 0 bit 4 GPIO, multiplexed with ADC_CH5, PWM0_CH3, PWM0_BRAKE fault brake input, I2C0_SDA, IC3 and STADC external ADC start trigger."
      },
      {
        "number": "10",
        "name": "P0.5",
        "type": "bidirectional",
        "description": "Port 0 bit 5 GPIO, multiplexed with ADC_CH4, PWM0_CH2, SPI0_SS slave select input, IC6 and T0 external count input/toggle output of Timer/Counter 0."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin 2 type chosen as input (nRESET); P2.0 is input-only and UART0_RXD is also input. Multi-function "
        ],
        "pages_sent": 16,
        "cost_usd": 0.1276,
        "at": "2026-10-26T19:20:38"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/34abae4f74da5e414a35dad6177959e3.pdf",
        "pages": 62,
        "sha256": "72116ab91a69ab18",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 10,
        "described": 10,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ms51ba9ae.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b8f88eac3ce221c2ccb0b5048f9ad49c2ef4af148f8ae50c4e232e357683f547",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ms51ba9ae-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "20d8538f76e994a46ca6a20e468a9e4c11acc799f5d18cb266ed7783404649dc",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Nuvoton Tech",
      "Package": "MSOP-10(3x3)",
      "Category": "Single Chip Microcomputer/Microcontroller",
      "Pins": "10"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "72116ab91a69ab182e2e69bb02af3a6151d9eff857d7042156371abec2c8889c",
      "rows": [
        {
          "name": "Operating temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 105,
          "conditions": "",
          "source_page": 36,
          "source": "datasheet"
        },
        {
          "name": "Operation voltage",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.4,
          "typ": null,
          "max": 5.5,
          "conditions": "VDD-VSS = 2.4 ~ 5.5V, TA = 25C, Fsys = 16 MHz",
          "source_page": 36,
          "source": "datasheet"
        },
        {
          "name": "Band-gap voltage",
          "symbol": "VBG",
          "kind": "electrical",
          "unit": "V",
          "min": 1.17,
          "typ": 1.22,
          "max": 1.3,
          "conditions": "TA = 25 °C",
          "source_page": 36,
          "source": "datasheet"
        },
        {
          "name": "Band-gap voltage",
          "symbol": "VBG",
          "kind": "electrical",
          "unit": "V",
          "min": 1.14,
          "typ": null,
          "max": 1.33,
          "conditions": "TA = -40°C ~105 °C",
          "source_page": 36,
          "source": "datasheet"
        },
        {
          "name": "Normal run current, 24 MHz HIRC",
          "symbol": "IDD_RUN",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3.6,
          "max": 4.2,
          "conditions": "24 MHz(HIRC) @5.5V, TA = 25 °C typ; max at TA = -40 °C",
          "source_page": 37,
          "source": "datasheet"
        },
        {
          "name": "Normal run current, 16 MHz HIRC",
          "symbol": "IDD_RUN",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3.3,
          "max": 3.4,
          "conditions": "16 MHz (HIRC) @5.5V, TA = 25 °C typ; max at TA = -40 °C",
          "source_page": 37,
          "source": "datasheet"
        },
        {
          "name": "Normal run current, 10 kHz LIRC",
          "symbol": "IDD_RUN",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.3,
          "max": 0.32,
          "conditions": "10 kHz (LIRC), max at TA = -40 °C",
          "source_page": 37,
          "source": "datasheet"
        },
        {
          "name": "Idle current, 24 MHz HIRC",
          "symbol": "IDD_IDLE",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2.8,
          "max": 2.9,
          "conditions": "24 MHz(HIRC) @5.5V, TA = 25 °C",
          "source_page": 38,
          "source": "datasheet"
        },
        {
          "name": "Idle current, 16 MHz HIRC",
          "symbol": "IDD_IDLE",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2.2,
          "max": 2.5,
          "conditions": "16 MHz (HIRC) @5.5V, TA = 25 °C",
          "source_page": 38,
          "source": "datasheet"
        },
        {
          "name": "Power down current",
          "symbol": "IDD_PD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 6.5,
          "max": 6.2,
          "conditions": "Power down mode, all peripherals disable @5.5V; max column TA = -40 °C",
          "source_page": 38,
          "source": "datasheet"
        },
        {
          "name": "Power down current, TA=105C",
          "symbol": "IDD_PD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 55,
          "conditions": "Power down mode, all peripherals disable, TA = 105 °C",
          "source_page": 38,
          "source": "datasheet"
        },
        {
          "name": "Wakeup from IDLE mode",
          "symbol": "tWU_IDLE",
          "kind": "timing",
          "unit": "cycles",
          "min": null,
          "typ": 5,
          "max": 6,
          "conditions": "16 MHz HIRC",
          "source_page": 39,
          "source": "datasheet"
        },
        {
          "name": "Wakeup from Power down mode",
          "symbol": "tWU_NPD",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "Fsys = HIRC @16MHz",
          "source_page": 39,
          "source": "datasheet"
        },
        {
          "name": "Input low voltage (TTL)",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 0.2,
          "conditions": "min VSS-0.3, max 0.2VDD-0.1",
          "source_page": 40,
          "source": "datasheet"
        },
        {
          "name": "Input low voltage",
          "symbol": "VIL1",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 0.3,
          "conditions": "max 0.3*VDD",
          "source_page": 40,
          "source": "datasheet"
        },
        {
          "name": "Input high voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 0.9,
          "typ": null,
          "max": 0.3,
          "conditions": "min 0.2VDD+0.9, max VDD+0.3",
          "source_page": 40,
          "source": "datasheet"
        },
        {
          "name": "Input high voltage (Schmitt and Xin)",
          "symbol": "VIH1",
          "kind": "electrical",
          "unit": "V",
          "min": 0.7,
          "typ": null,
          "max": 1,
          "conditions": "min 0.7*VDD, max VDD",
          "source_page": 40,
          "source": "datasheet"
        },
        {
          "name": "Input leakage current",
          "symbol": "ILK",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "VSS < VIN < VDD, Open-drain or input only mode",
          "source_page": 40,
          "source": "datasheet"
        },
        {
          "name": "Source current push-pull high",
          "symbol": "ISR",
          "kind": "electrical",
          "unit": "mA",
          "min": -9,
          "typ": null,
          "max": -9.6,
          "conditions": "VDD = 5.5 V, VIN =(VDD-0.4) V",
          "source_page": 41,
          "source": "datasheet"
        },
        {
          "name": "Source current push-pull high",
          "symbol": "ISR",
          "kind": "electrical",
          "unit": "mA",
          "min": -6,
          "typ": null,
          "max": -6.6,
          "conditions": "VDD = 3.3 V, VIN =(VDD-0.4) V",
          "source_page": 41,
          "source": "datasheet"
        },
        {
          "name": "Sink current push-pull low",
          "symbol": "ISK",
          "kind": "electrical",
          "unit": "mA",
          "min": 18,
          "typ": null,
          "max": 20,
          "conditions": "VDD = 5.5 V, VIN = 0.4 V",
          "source_page": 41,
          "source": "datasheet"
        },
        {
          "name": "Sink current push-pull low",
          "symbol": "ISK",
          "kind": "electrical",
          "unit": "mA",
          "min": 16,
          "typ": null,
          "max": 18,
          "conditions": "VDD = 3.3 V, VIN = 0.4 V",
          "source_page": 41,
          "source": "datasheet"
        },
        {
          "name": "Sink current push-pull low",
          "symbol": "ISK",
          "kind": "electrical",
          "unit": "mA",
          "min": 9.7,
          "typ": null,
          "max": 11,
          "conditions": "VDD = 2.4 V, VIN = 0.4 V",
          "source_page": 41,
          "source": "datasheet"
        },
        {
          "name": "I/O pin capacitance",
          "symbol": "CIO",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "",
          "source_page": 41,
          "source": "datasheet"
        },
        {
          "name": "nRESET negative going threshold",
          "symbol": "VILR",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "0.3*VDD",
          "source_page": 42,
          "source": "datasheet"
        },
        {
          "name": "nRESET positive going threshold",
          "symbol": "VIHR",
          "kind": "electrical",
          "unit": "V",
          "min": 0.7,
          "typ": null,
          "max": null,
          "conditions": "0.7*VDD",
          "source_page": 42,
          "source": "datasheet"
        },
        {
          "name": "Internal nRESET pull up resistor",
          "symbol": "RRST",
          "kind": "electrical",
          "unit": "KΩ",
          "min": 45,
          "typ": null,
          "max": 60,
          "conditions": "VDD = 5.5 V",
          "source_page": 42,
          "source": "datasheet"
        },
        {
          "name": "Internal nRESET pull up resistor",
          "symbol": "RRST",
          "kind": "electrical",
          "unit": "KΩ",
          "min": 45,
          "typ": null,
          "max": 65,
          "conditions": "VDD = 2.4 V",
          "source_page": 42,
          "source": "datasheet"
        },
        {
          "name": "HIRC frequency drift",
          "symbol": "FHRC",
          "kind": "electrical",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "TA = 25 °C, VDD = 3.3V",
          "source_page": 43,
          "source": "datasheet"
        },
        {
          "name": "HIRC frequency drift",
          "symbol": "FHRC",
          "kind": "electrical",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "TA = -20C ~ +105 °C, VDD = 2.4 ~ 5.5V",
          "source_page": 43,
          "source": "datasheet"
        },
        {
          "name": "HIRC frequency drift",
          "symbol": "FHRC",
          "kind": "electrical",
          "unit": "%",
          "min": -4,
          "typ": null,
          "max": 4,
          "conditions": "TA = -40C ~ -20 °C, VDD = 2.4 ~ 5.5V",
          "source_page": 43,
          "source": "datasheet"
        },
        {
          "name": "HIRC operating current",
          "symbol": "IHRC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 490,
          "max": 550,
          "conditions": "",
          "source_page": 43,
          "source": "datasheet"
        },
        {
          "name": "HIRC stable time",
          "symbol": "TS",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 3,
          "max": 5,
          "conditions": "TA = -40C ~ +105 °C, VDD = 2.4 ~ 5.5V",
          "source_page": 43,
          "source": "datasheet"
        },
        {
          "name": "LIRC frequency drift",
          "symbol": "FLRC",
          "kind": "electrical",
          "unit": "%",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "TA = 25 °C, VDD = 5V",
          "source_page": 46,
          "source": "datasheet"
        },
        {
          "name": "LIRC frequency drift",
          "symbol": "FLRC",
          "kind": "electrical",
          "unit": "%",
          "min": -35,
          "typ": null,
          "max": 35,
          "conditions": "TA=-40~105°C Without software calibration",
          "source_page": 46,
          "source": "datasheet"
        },
        {
          "name": "LIRC operating current",
          "symbol": "ILRC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.85,
          "max": 1,
          "conditions": "VDD = 3.3V",
          "source_page": 46,
          "source": "datasheet"
        },
        {
          "name": "POR reset voltage",
          "symbol": "VPOR",
          "kind": "electrical",
          "unit": "V",
          "min": 1,
          "typ": 1.15,
          "max": 1.3,
          "conditions": "",
          "source_page": 48,
          "source": "datasheet"
        },
        {
          "name": "LVR reset voltage",
          "symbol": "VLVR",
          "kind": "electrical",
          "unit": "V",
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