FM33LE025

{
  "schema_version": 1,
  "type": "component",
  "slug": "fm33le025",
  "title": "FM33LE025",
  "brief": "FUDAN MICRO Microcontroller Units (MCUs/MPUs/SOCs), LQFP-48(7x7). 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",
    "fm33le025",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "FM33LE025",
    "manufacturer": "FUDAN MICRO",
    "package": "LQFP-48(7x7)",
    "pin_count": 48,
    "category": "Single Chip Microcomputer/Microcontroller",
    "subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/5520b038f787529a6a4183b46c5e803f.pdf",
    "parts": {
      "symbol": "fm33le025.kicad_sym",
      "footprint": "fm33le025.kicad_mod",
      "model_3d": "fm33le025-hero.glb",
      "model_3d_plain": "fm33le025-etched.glb",
      "model_3d_step": "fm33le025-etched.step",
      "model_3d_step_plain": "fm33le025.step",
      "lbr": "fm33le025.lbr"
    },
    "distributor_links": {
      "lcsc": "C5264267"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T03:25:05Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PA14",
        "type": "bidirectional",
        "description": "GPIO with alternate functions UART0_TX, LPUART0_TX, ADC_IN7 and COMP1_INP4 (comparator positive input)."
      },
      {
        "number": "2",
        "name": "PA15",
        "type": "bidirectional",
        "description": "GPIO with alternate functions WKUP0 (external wakeup), SVS (external supply detection) and ADC_IN10."
      },
      {
        "number": "3",
        "name": "PA0",
        "type": "bidirectional",
        "description": "GPIO with alternate functions COM0 (LCD drive) and UART4_RX."
      },
      {
        "number": "4",
        "name": "PA1",
        "type": "bidirectional",
        "description": "GPIO with alternate functions COM1 (LCD drive) and UART4_TX."
      },
      {
        "number": "5",
        "name": "PA2",
        "type": "bidirectional",
        "description": "GPIO with alternate functions COM2 (LCD drive), UART0_RX and LPUART0_RX."
      },
      {
        "number": "6",
        "name": "PA3",
        "type": "bidirectional",
        "description": "GPIO with alternate functions COM3 (LCD drive), UART0_TX and LPUART0_TX."
      },
      {
        "number": "7",
        "name": "PA4",
        "type": "bidirectional",
        "description": "GPIO with alternate functions COM4/SEG28 (LCD drive), GPT1_CH3 and COMP2_INN1 (comparator input)."
      },
      {
        "number": "8",
        "name": "PA5",
        "type": "bidirectional",
        "description": "GPIO with alternate functions COM5/SEG29 (LCD drive), GPT1_CH4 and COMP2_INN2 (comparator input)."
      },
      {
        "number": "9",
        "name": "PA6",
        "type": "bidirectional",
        "description": "GPIO with alternate functions COM6/SEG30 (LCD drive) and I2CSMB_SCL (I2C_SMBUS clock)."
      },
      {
        "number": "10",
        "name": "PA7",
        "type": "bidirectional",
        "description": "GPIO with alternate functions COM7/SEG31 (LCD drive) and I2CSMB_SDA (I2C_SMBUS data)."
      },
      {
        "number": "11",
        "name": "PA8",
        "type": "bidirectional",
        "description": "GPIO with alternate functions SEG0 (LCD), LPT32_CH1, COMP2_INP1 and I2CSMB_ALERT (SMBus alert signal)."
      },
      {
        "number": "12",
        "name": "PA9",
        "type": "bidirectional",
        "description": "GPIO with alternate functions SEG1 (LCD), LPT32_CH2, COMP2_INP2 and ATIM_CH4."
      },
      {
        "number": "13",
        "name": "PA10",
        "type": "bidirectional",
        "description": "GPIO with alternate functions WKUP1 (external wakeup), SEG2 (LCD), LPT32_ETR, COMP1_INN1 and ATIM_CH3."
      },
      {
        "number": "14",
        "name": "PB2",
        "type": "bidirectional",
        "description": "GPIO with alternate functions WKUP2 (external wakeup), UART4_RX and ATIM_CH1N."
      },
      {
        "number": "15",
        "name": "PB3",
        "type": "bidirectional",
        "description": "Pin PB3 with alternate functions UART4_TX and ATIM_CH2N; the pin table labels its base function as external wakeup instead of GPIO."
      },
      {
        "number": "16",
        "name": "PB4",
        "type": "bidirectional",
        "description": "GPIO with alternate functions SEG3 (LCD) and ATIM_CH1."
      },
      {
        "number": "17",
        "name": "PB5",
        "type": "bidirectional",
        "description": "GPIO with alternate functions SEG4 (LCD) and ATIM_CH2."
      },
      {
        "number": "18",
        "name": "PB8",
        "type": "bidirectional",
        "description": "GPIO with alternate functions SEG7 (LCD), SPI1_SSN and ATIM_CH3N."
      },
      {
        "number": "19",
        "name": "PB9",
        "type": "bidirectional",
        "description": "GPIO with alternate functions SEG8 (LCD), ANATST (analog test), SPI1_SCK and GPT0_ETR."
      },
      {
        "number": "20",
        "name": "PB10",
        "type": "bidirectional",
        "description": "GPIO with alternate functions SEG9 (LCD), SPI1_MISO and GPT0_CH1."
      },
      {
        "number": "21",
        "name": "PB11",
        "type": "bidirectional",
        "description": "GPIO with alternate functions SEG10 (LCD), SPI1_MOSI and GPT0_CH2."
      },
      {
        "number": "22",
        "name": "PB12",
        "type": "bidirectional",
        "description": "GPIO with alternate functions WKUP3 (external wakeup), FOUT1 (clock frequency output) and ATIM_ETR."
      },
      {
        "number": "23",
        "name": "PB13",
        "type": "bidirectional",
        "description": "GPIO with alternate functions SEG11 (LCD), UART1_RX and LPUART1_RX."
      },
      {
        "number": "24",
        "name": "PB14",
        "type": "bidirectional",
        "description": "GPIO with alternate functions SEG12 (LCD), UART1_TX and LPUART1_TX."
      },
      {
        "number": "25",
        "name": "PC0",
        "type": "bidirectional",
        "description": "GPIO with alternate functions I2CSMB_SCL and GPT1_CH1."
      },
      {
        "number": "26",
        "name": "PC1",
        "type": "bidirectional",
        "description": "GPIO with alternate functions I2CSMB_SDA and GPT1_CH2."
      },
      {
        "number": "27",
        "name": "PC2",
        "type": "bidirectional",
        "description": "GPIO with alternate functions XTHIN (high-frequency crystal input), UART1_RX and LPUART1_RX."
      },
      {
        "number": "28",
        "name": "PC3",
        "type": "bidirectional",
        "description": "GPIO with alternate functions XTHOUT (high-frequency crystal output), UART1_TX and LPUART1_TX."
      },
      {
        "number": "29",
        "name": "PC4",
        "type": "bidirectional",
        "description": "GPIO with alternate functions SEG13 (LCD), SCL (I2C clock) and UART5_RX."
      },
      {
        "number": "30",
        "name": "PC5",
        "type": "bidirectional",
        "description": "GPIO with alternate functions SEG14 (LCD), SDA (I2C data) and UART5_TX."
      },
      {
        "number": "31",
        "name": "PC6",
        "type": "bidirectional",
        "description": "GPIO with alternate functions WKUP4 (external wakeup), SEG15 (LCD), GPT1_ETR, I2CSMB_ALERT and ADC_IN11."
      },
      {
        "number": "32",
        "name": "PC7",
        "type": "bidirectional",
        "description": "GPIO with alternate functions SEG16 (LCD), SPI2_SSN and ADC_IN8."
      },
      {
        "number": "33",
        "name": "PC8",
        "type": "bidirectional",
        "description": "GPIO with alternate functions SEG17 (LCD), SPI2_SCK and ADC_IN9."
      },
      {
        "number": "34",
        "name": "PC9",
        "type": "bidirectional",
        "description": "GPIO with alternate functions SEG18 (LCD), SPI2_MISO and ADC_IN0."
      },
      {
        "number": "35",
        "name": "PC10",
        "type": "bidirectional",
        "description": "GPIO with alternate functions WKUP5 (external wakeup), SEG19 (LCD), SPI2_MOSI and ADC_IN1."
      },
      {
        "number": "36",
        "name": "PD9",
        "type": "bidirectional",
        "description": "GPIO with alternate function XT32KO (32768Hz crystal output)."
      },
      {
        "number": "37",
        "name": "PD10",
        "type": "bidirectional",
        "description": "GPIO with alternate function XT32KI (32768Hz crystal input)."
      },
      {
        "number": "38",
        "name": "VDD15",
        "type": "power_out",
        "description": "LDO output (1.5V core supply); connect a 100nF capacitor to ground."
      },
      {
        "number": "39",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "40",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply, 1.8~5.5V operating range."
      },
      {
        "number": "41",
        "name": "PD11",
        "type": "bidirectional",
        "description": "GPIO with alternate functions WKUP6 (external wakeup), FOUT0 (clock frequency output), ATIM_BRK1 and ADC_IN2."
      },
      {
        "number": "42",
        "name": "PD0",
        "type": "bidirectional",
        "description": "GPIO with alternate functions SEG22 (LCD), UART5_RX and ADC_IN3."
      },
      {
        "number": "43",
        "name": "PD1",
        "type": "bidirectional",
        "description": "GPIO with alternate functions SEG23 (LCD), UART5_TX and ADC_IN4."
      },
      {
        "number": "44",
        "name": "PD6",
        "type": "bidirectional",
        "description": "GPIO with alternate functions WKUP7 (external wakeup), ANATST (analog test) and ATIM_BRK2."
      },
      {
        "number": "45",
        "name": "PD7",
        "type": "bidirectional",
        "description": "GPIO with alternate function SWCLK (SWD interface clock)."
      },
      {
        "number": "46",
        "name": "PD8",
        "type": "bidirectional",
        "description": "GPIO with alternate function SWIO (SWD interface data)."
      },
      {
        "number": "47",
        "name": "NRST",
        "type": "input",
        "description": "Global reset pin; held low for more than 60~90us it triggers a system reset."
      },
      {
        "number": "48",
        "name": "PA13",
        "type": "bidirectional",
        "description": "GPIO with alternate functions UART0_RX, LPUART0_RX, ADC_IN6 and COMP1_INP3 (comparator positive input)."
      }
    ],
    "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 table lists PB3's base function as 外部唤醒引脚 (external wakeup) rather than GPIO, which looks like a; The LQFP48 package dimension drawing was not included in the provided pages, so the 7x7 body size co"
        ],
        "pages_sent": 139,
        "cost_usd": 0.9806,
        "at": "2026-10-23T03:24:37"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/5520b038f787529a6a4183b46c5e803f.pdf",
        "pages": 674,
        "sha256": "5813d667fe7dc378",
        "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": "fm33le025.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9,
          9,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "9dea352d93177c2904afd7d7b68ea8855ce1ab691f69f8b3e13655600514b6bf",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "fm33le025-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9,
          9,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "6595f5ee7ac42b6c2c48aa8e319c7c9625268d38dd0a573c0e6764625971187e",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "FUDAN MICRO",
      "Package": "LQFP-48(7x7)",
      "Category": "Single Chip Microcomputer/Microcontroller",
      "Pins": "48"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "5813d667fe7dc378756c0042923187cb7afc7e203ff4ea90b8ff7d310f6c7f78",
      "rows": [
        {
          "name": "Supply voltage (VDD, VDDA) absolute max",
          "symbol": "VDD-VSS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "includes VDD, VDDA",
          "source_page": 44,
          "source": "datasheet"
        },
        {
          "name": "Pin voltage",
          "symbol": "VPIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "min VSS-0.3",
          "source_page": 44,
          "source": "datasheet"
        },
        {
          "name": "VDD-VDDA difference",
          "symbol": "|ΔVDD|",
          "kind": "absolute_maximum",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 44,
          "source": "datasheet"
        },
        {
          "name": "Difference between all ground pins",
          "symbol": "|ΔVSS|",
          "kind": "absolute_maximum",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 44,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature",
          "symbol": "TA",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 44,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 44,
          "source": "datasheet"
        },
        {
          "name": "ESD HBM",
          "symbol": "HBM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -4000,
          "typ": null,
          "max": 4000,
          "conditions": "TA=25℃, JEDEC JS-001",
          "source_page": 44,
          "source": "datasheet"
        },
        {
          "name": "ESD CDM",
          "symbol": "CDM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -1000,
          "typ": null,
          "max": 1000,
          "conditions": "TA=25℃, JEDEC JS-002",
          "source_page": 44,
          "source": "datasheet"
        },
        {
          "name": "IO Latchup",
          "symbol": "LU",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -200,
          "typ": null,
          "max": 200,
          "conditions": "-(0.5VDD) < VI < (1.5VDD), TA=25℃, JESD78E",
          "source_page": 44,
          "source": "datasheet"
        },
        {
          "name": "Max current into VDD (source)",
          "symbol": "∑IVDD",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 90,
          "conditions": "",
          "source_page": 44,
          "source": "datasheet"
        },
        {
          "name": "Max current out of VSS (sink)",
          "symbol": "∑IVSS",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 70,
          "conditions": "",
          "source_page": 44,
          "source": "datasheet"
        },
        {
          "name": "Total IO sink current",
          "symbol": "∑IIO",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 70,
          "conditions": "all IO sink",
          "source_page": 44,
          "source": "datasheet"
        },
        {
          "name": "Total IO source current",
          "symbol": "∑IIO",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 90,
          "conditions": "all IO source",
          "source_page": 44,
          "source": "datasheet"
        },
        {
          "name": "AHB clock frequency",
          "symbol": "fHCLK",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": 0,
          "typ": null,
          "max": 64,
          "conditions": "",
          "source_page": 45,
          "source": "datasheet"
        },
        {
          "name": "APB clock frequency",
          "symbol": "fPCLK",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": 0,
          "typ": null,
          "max": 64,
          "conditions": "",
          "source_page": 45,
          "source": "datasheet"
        },
        {
          "name": "Operating voltage (CPU running), power-up",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.8,
          "typ": null,
          "max": 5.5,
          "conditions": "上电 (power-up)",
          "source_page": 45,
          "source": "datasheet"
        },
        {
          "name": "Operating voltage (CPU running), power-down",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.65,
          "typ": null,
          "max": 5.5,
          "conditions": "下电 (power-down)",
          "source_page": 45,
          "source": "datasheet"
        },
        {
          "name": "Analog operating voltage",
          "symbol": "VDDA",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.8,
          "typ": null,
          "max": 5.5,
          "conditions": "must satisfy VREFP=VDD, VREFN=VSS",
          "source_page": 45,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 45,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "fm33le025"
  ],
  "discovery_pitch": "FM33LE025 (FUDAN MICRO) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "fm33le025.kicad_sym",
    "fm33le025.kicad_mod",
    "fm33le025.glb",
    "fm33le025.step",
    "fm33le025.lbr",
    "docs/hero.png",
    "docs/fm33le025-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "fm33le025-hero.glb",
    "fm33le025-hero.overlay.json",
    "fm33le025-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}