STM32F100C4T7B

{
  "slug": "stm32f100c4t7b",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "stm32f100c4t7b",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "stm32f100c4t7b.kicad_sym",
    "stm32f100c4t7b.kicad_mod",
    "stm32f100c4t7b.glb",
    "stm32f100c4t7b.step",
    "stm32f100c4t7b.lbr",
    "docs/hero.png",
    "docs/stm32f100c4t7b-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stm32f100c4t7b-hero.glb",
    "stm32f100c4t7b-hero.overlay.json"
  ],
  "component": {
    "mpn": "STM32F100C4T7B",
    "manufacturer": "STMicroelectronics",
    "package": "LQFP-48(7x7)",
    "pin_count": 48,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588923781562056704",
    "parts": {
      "symbol": "stm32f100c4t7b.kicad_sym",
      "footprint": "stm32f100c4t7b.kicad_mod",
      "model_3d": "stm32f100c4t7b-hero.glb",
      "model_3d_plain": "stm32f100c4t7b.glb",
      "model_3d_step": "stm32f100c4t7b-etched.step",
      "model_3d_step_plain": "stm32f100c4t7b.step",
      "lbr": "stm32f100c4t7b.lbr"
    },
    "distributor_links": {
      "lcsc": "C1338493",
      "digikey": "497-17881-ND",
      "mouser": "511-STM32F100C4T7B"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T02:03:42Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-17881-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32F100C4T7B",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup-domain supply for the RTC and backup registers."
      },
      {
        "number": "2",
        "name": "PC13-TAMPER-RTC",
        "type": "bidirectional",
        "description": "General-purpose I/O PC13 (not 5 V tolerant) also used for TAMPER-RTC; it is supplied through the power switch, which sinks at most 3 mA, so output use is limited to 2 MHz at 30 pF and it must not source current such as driving an LED."
      },
      {
        "number": "3",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "General-purpose I/O PC14 (not 5 V tolerant) that doubles as the 32 kHz oscillator input OSC32_IN; it has the same power-switch limits as PC13 (2 MHz maximum speed at 30 pF, 3 mA sink limit, no current sourcing)."
      },
      {
        "number": "4",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "General-purpose I/O PC15 (not 5 V tolerant) that doubles as the 32 kHz oscillator output OSC32_OUT; it has the same power-switch limits as PC13 (2 MHz maximum speed at 30 pF, 3 mA sink limit, no current sourcing)."
      },
      {
        "number": "5",
        "name": "OSC_IN",
        "type": "input",
        "description": "High-speed external oscillator input for a 4 to 24 MHz crystal; after reset this pin is OSC_IN and PD0 can be remapped onto it by software."
      },
      {
        "number": "6",
        "name": "OSC_OUT",
        "type": "output",
        "description": "High-speed external oscillator output for a 4 to 24 MHz crystal; after reset this pin is OSC_OUT and PD1 can be remapped onto it by software."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Device reset pin listed as I/O in Table 4; its electrical characteristics are given in section 5.3.14, which is outside this extract."
      },
      {
        "number": "8",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground reference for the ADC and DAC."
      },
      {
        "number": "9",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply for the ADC, specified at 2.4 to 3.6 V in Table 42."
      },
      {
        "number": "10",
        "name": "PA0-WKUP",
        "type": "bidirectional",
        "description": "General-purpose I/O PA0 (not 5 V tolerant) with alternate functions WKUP, USART2_CTS, ADC1_IN0 and TIM2_CH1_ETR."
      },
      {
        "number": "11",
        "name": "PA1",
        "type": "bidirectional",
        "description": "General-purpose I/O PA1 (not 5 V tolerant) with alternate functions USART2_RTS, ADC1_IN1 and TIM2_CH2."
      },
      {
        "number": "12",
        "name": "PA2",
        "type": "bidirectional",
        "description": "General-purpose I/O PA2 (not 5 V tolerant) with alternate functions USART2_TX, ADC1_IN2, TIM2_CH3 and TIM15_CH1."
      },
      {
        "number": "13",
        "name": "PA3",
        "type": "bidirectional",
        "description": "General-purpose I/O PA3 (not 5 V tolerant) with alternate functions USART2_RX, ADC1_IN3, TIM2_CH4 and TIM15_CH2."
      },
      {
        "number": "14",
        "name": "PA4",
        "type": "bidirectional",
        "description": "General-purpose I/O PA4 (not 5 V tolerant) with alternate functions SPI1_NSS, USART2_CK, ADC1_IN4 and DAC1_OUT."
      },
      {
        "number": "15",
        "name": "PA5",
        "type": "bidirectional",
        "description": "General-purpose I/O PA5 (not 5 V tolerant) with alternate functions SPI1_SCK, ADC1_IN5 and DAC2_OUT."
      },
      {
        "number": "16",
        "name": "PA6",
        "type": "bidirectional",
        "description": "General-purpose I/O PA6 (not 5 V tolerant) with alternate functions SPI1_MISO, ADC1_IN6 and TIM3_CH1; TIM1_BKIN and TIM16_CH1 are remap options."
      },
      {
        "number": "17",
        "name": "PA7",
        "type": "bidirectional",
        "description": "General-purpose I/O PA7 (not 5 V tolerant) with alternate functions SPI1_MOSI, ADC1_IN7 and TIM3_CH2; TIM1_CH1N and TIM17_CH1 are remap options."
      },
      {
        "number": "18",
        "name": "PB0",
        "type": "bidirectional",
        "description": "General-purpose I/O PB0 (not 5 V tolerant) with alternate functions ADC1_IN8 and TIM3_CH3; TIM1_CH2N is a remap option."
      },
      {
        "number": "19",
        "name": "PB1",
        "type": "bidirectional",
        "description": "General-purpose I/O PB1 (not 5 V tolerant) with alternate functions ADC1_IN9 and TIM3_CH4; TIM1_CH3N is a remap option."
      },
      {
        "number": "20",
        "name": "PB2/BOOT1",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O PB2 that also serves as the BOOT1 boot-mode pin."
      },
      {
        "number": "21",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PB10 with alternate functions I2C2_SCL, USART3_TX, TIM2_CH3 and HDMI_CEC; I2C2 is not present on low-density devices."
      },
      {
        "number": "22",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PB11 with alternate functions I2C2_SDA, USART3_RX and TIM2_CH4; I2C2 is not present on low-density devices."
      },
      {
        "number": "23",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "24",
        "name": "VDD_1",
        "type": "power_in",
        "description": "Digital supply pin; the application supply and I/Os are specified at 2.0 to 3.6 V."
      },
      {
        "number": "25",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PB12 with alternate functions SPI2_NSS, I2C2_SMBA, TIM1_BKIN and USART3_CK; SPI2 and I2C2 are not present on low-density devices."
      },
      {
        "number": "26",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PB13 with alternate functions SPI2_SCK, TIM1_CH1N and USART3_CTS; SPI2 is not present on low-density devices."
      },
      {
        "number": "27",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PB14 with alternate functions SPI2_MISO, TIM1_CH2N and USART3_RTS; TIM15_CH1 is a remap option and SPI2 is not present on low-density devices."
      },
      {
        "number": "28",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PB15 with alternate functions SPI2_MOSI, TIM1_CH3N and TIM15_CH1N; TIM15_CH2 is a remap option and SPI2 is not present on low-density devices."
      },
      {
        "number": "29",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PA8 with alternate functions USART1_CK, MCO and TIM1_CH1."
      },
      {
        "number": "30",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PA9 with alternate functions USART1_TX, TIM1_CH2 and TIM15_BKIN."
      },
      {
        "number": "31",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PA10 with alternate functions USART1_RX, TIM1_CH3 and TIM17_BKIN."
      },
      {
        "number": "32",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PA11 with alternate functions USART1_CTS and TIM1_CH4."
      },
      {
        "number": "33",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PA12 with alternate functions USART1_RTS and TIM1_ETR."
      },
      {
        "number": "34",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PA13 whose default function is the JTMS-SWDIO debug pin."
      },
      {
        "number": "35",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "36",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Digital supply pin; the application supply and I/Os are specified at 2.0 to 3.6 V."
      },
      {
        "number": "37",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PA14 whose default function is the JTCK-SWCLK debug pin."
      },
      {
        "number": "38",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PA15 with default function JTDI and alternate functions TIM2_CH1_ETR and SPI1_NSS."
      },
      {
        "number": "39",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PB3 whose default function is JTDO; alternate functions include TIM2_CH2, TRACESWO and SPI1_SCK."
      },
      {
        "number": "40",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PB4 whose default function is NJTRST; alternate functions include TIM3_CH1 and SPI1_MISO."
      },
      {
        "number": "41",
        "name": "PB5",
        "type": "bidirectional",
        "description": "Non-5 V-tolerant I/O PB5 with alternate functions I2C1_SMBA, TIM16_BKIN, TIM3_CH2 and SPI1_MOSI."
      },
      {
        "number": "42",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PB6 with alternate functions I2C1_SCL, TIM16_CH1N and USART1_TX; TIM4_CH1 is not present on low-density devices."
      },
      {
        "number": "43",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PB7 with alternate functions I2C1_SDA, TIM17_CH1N and USART1_RX; TIM4_CH2 is not present on low-density devices."
      },
      {
        "number": "44",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot mode selection input (type I, not 5 V tolerant) that works together with PB2/BOOT1."
      },
      {
        "number": "45",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PB8 with alternate functions TIM16_CH1, CEC and I2C1_SCL; TIM4_CH3 is not present on low-density devices."
      },
      {
        "number": "46",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PB9 with alternate functions TIM17_CH1 and I2C1_SDA; TIM4_CH4 is not present on low-density devices."
      },
      {
        "number": "47",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "48",
        "name": "VDD_3",
        "type": "power_in",
        "description": "Digital supply pin; the application supply and I/Os are specified at 2.0 to 3.6 V."
      }
    ],
    "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: Ordering code STM32F100C4T7B maps to pin count C = 48 pins and package T = LQFP per the ordering sch; PC13, PC14 and PC15 are supplied through the power switch (3 mA sink limit); output use is restricte; OSC_IN and OSC_OUT are the default functions after reset; PD0 and PD1 can be remapped onto these pin"
        ],
        "pages_sent": 46,
        "cost_usd": 0.216,
        "at": "2026-10-11T02:03:22"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588923781562056704",
        "pages": 96,
        "sha256": "360e3be010cabad4",
        "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": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "9dea352d93177c2904afd7d7b68ea8855ce1ab691f69f8b3e13655600514b6bf",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm32f100c4t7b-etched.step",
        "role": "eda",
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        "seat": "z = 0",
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        "sha256": "bf3b5661b4611c91ab53b4bff404c520755beeb2e8222434ad08025cf11c0adf",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}