STM32F100RET6B

{
  "schema_version": 1,
  "type": "component",
  "slug": "stm32f100ret6b",
  "title": "STM32F100RET6B",
  "brief": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-64(10x10). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "embedded processors & controllers",
    "stm32f100ret6b",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "STM32F100RET6B",
    "manufacturer": "STMicroelectronics",
    "package": "LQFP-64(10x10)",
    "pin_count": 64,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588922067907719168",
    "parts": {
      "symbol": "stm32f100ret6b.kicad_sym",
      "footprint": "stm32f100ret6b.kicad_mod",
      "model_3d": "stm32f100ret6b-hero.glb",
      "model_3d_plain": "stm32f100ret6b.glb",
      "model_3d_step": "stm32f100ret6b-etched.step",
      "model_3d_step_plain": "stm32f100ret6b.step",
      "lbr": "stm32f100ret6b.lbr"
    },
    "distributor_links": {
      "lcsc": "C1338462",
      "digikey": "497-17376-ND",
      "mouser": "511-STM32F100RET6B"
    },
    "distributor_check": {
      "checked_at": "2026-10-07T23:47:27Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-17376-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32F100RET6B",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup-domain supply input for the RTC and backup registers."
      },
      {
        "number": "2",
        "name": "PC13-TAMPER-RTC",
        "type": "bidirectional",
        "description": "PC13 I/O is supplied through the power switch, which sinks at most 3 mA, so output speed is limited to 2 MHz with 30 pF maximum load and it must not be used as a current source such as an LED driver."
      },
      {
        "number": "3",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "PC14 I/O is supplied through the power switch, which sinks at most 3 mA, so output speed is limited to 2 MHz with 30 pF maximum load and it must not be used as a current source; its alternate function is the 32 kHz oscillator input OSC32_IN."
      },
      {
        "number": "4",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "PC15 I/O is supplied through the power switch, which sinks at most 3 mA, so output speed is limited to 2 MHz with 30 pF maximum load and it must not be used as a current source; its alternate function is the 32 kHz oscillator output OSC32_OUT."
      },
      {
        "number": "5",
        "name": "OSC_IN",
        "type": "input",
        "description": "Input of the 4-to-24 MHz crystal oscillator; on LQFP64 this pin is OSC_IN after reset and PD0 can be remapped onto it by software."
      },
      {
        "number": "6",
        "name": "OSC_OUT",
        "type": "output",
        "description": "Output of the 4-to-24 MHz crystal oscillator; on LQFP64 this pin is OSC_OUT after reset and PD1 can be remapped onto it by software."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Reset pin (I/O type in the datasheet); its electrical limits are given in the NRST pin characteristics section."
      },
      {
        "number": "8",
        "name": "PC0",
        "type": "bidirectional",
        "description": "General-purpose I/O PC0 with analog input ADC_IN10 of the 12-bit ADC."
      },
      {
        "number": "9",
        "name": "PC1",
        "type": "bidirectional",
        "description": "General-purpose I/O PC1 with analog input ADC_IN11 of the 12-bit ADC."
      },
      {
        "number": "10",
        "name": "PC2",
        "type": "bidirectional",
        "description": "General-purpose I/O PC2 with analog input ADC_IN12 of the 12-bit ADC."
      },
      {
        "number": "11",
        "name": "PC3",
        "type": "bidirectional",
        "description": "General-purpose I/O PC3 with analog input ADC_IN13 of the 12-bit ADC."
      },
      {
        "number": "12",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground pin; all voltages in the datasheet are referenced to VSS."
      },
      {
        "number": "13",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply pin; ADC conversion range is 0 to 3.6 V and the temperature sensor requires 2 V < VDDA < 3.6 V."
      },
      {
        "number": "14",
        "name": "PA0-WKUP",
        "type": "bidirectional",
        "description": "PA0 I/O (not 5 V tolerant) with wake-up function WKUP, ADC_IN0 input, and alternate functions USART2_CTS, TIM2_CH1_ETR and TIM5_CH1."
      },
      {
        "number": "15",
        "name": "PA1",
        "type": "bidirectional",
        "description": "PA1 I/O (not 5 V tolerant) with alternate functions USART2_RTS, ADC_IN1, TIM5_CH2 and TIM2_CH2."
      },
      {
        "number": "16",
        "name": "PA2",
        "type": "bidirectional",
        "description": "PA2 I/O (not 5 V tolerant) with alternate functions USART2_TX, TIM5_CH3, ADC_IN2, TIM15_CH1 and TIM2_CH3."
      },
      {
        "number": "17",
        "name": "PA3",
        "type": "bidirectional",
        "description": "PA3 I/O (not 5 V tolerant) with alternate functions USART2_RX, TIM5_CH4, ADC_IN3, TIM2_CH4 and TIM15_CH2."
      },
      {
        "number": "18",
        "name": "VSS_4",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "19",
        "name": "VDD_4",
        "type": "power_in",
        "description": "Digital supply pin; the application supply and I/Os operate from 2.0 to 3.6 V."
      },
      {
        "number": "20",
        "name": "PA4",
        "type": "bidirectional",
        "description": "PA4 I/O (not 5 V tolerant) with alternate functions SPI1_NSS, USART2_CK, DAC_OUT1 and ADC_IN4."
      },
      {
        "number": "21",
        "name": "PA5",
        "type": "bidirectional",
        "description": "PA5 I/O (not 5 V tolerant) with alternate functions SPI1_SCK, DAC_OUT2 and ADC_IN5."
      },
      {
        "number": "22",
        "name": "PA6",
        "type": "bidirectional",
        "description": "PA6 I/O (not 5 V tolerant) with alternate functions SPI1_MISO, ADC_IN6 and TIM3_CH1; remap TIM1_BKIN and TIM16_CH1."
      },
      {
        "number": "23",
        "name": "PA7",
        "type": "bidirectional",
        "description": "PA7 I/O (not 5 V tolerant) with alternate functions SPI1_MOSI, ADC_IN7 and TIM3_CH2; remap TIM1_CH1N and TIM17_CH1."
      },
      {
        "number": "24",
        "name": "PC4",
        "type": "bidirectional",
        "description": "PC4 I/O (not 5 V tolerant) with alternate functions ADC_IN14 and TIM12_CH1."
      },
      {
        "number": "25",
        "name": "PC5",
        "type": "bidirectional",
        "description": "PC5 I/O (not 5 V tolerant) with alternate functions ADC_IN15 and TIM12_CH2."
      },
      {
        "number": "26",
        "name": "PB0",
        "type": "bidirectional",
        "description": "PB0 I/O (not 5 V tolerant) with alternate functions ADC_IN8 and TIM3_CH3; remap TIM1_CH2N and TIM13_CH1."
      },
      {
        "number": "27",
        "name": "PB1",
        "type": "bidirectional",
        "description": "PB1 I/O (not 5 V tolerant) with alternate functions ADC_IN9 and TIM3_CH4; remap TIM1_CH3N and TIM14_CH1."
      },
      {
        "number": "28",
        "name": "PB2/BOOT1",
        "type": "bidirectional",
        "description": "PB2 is a 5 V-tolerant (FT) I/O that also serves as the BOOT1 boot-mode pin."
      },
      {
        "number": "29",
        "name": "PB10",
        "type": "bidirectional",
        "description": "PB10 is a 5 V-tolerant (FT) I/O with alternate functions I2C2_SCL, USART3_TX, TIM2_CH3 and HDMI_CEC."
      },
      {
        "number": "30",
        "name": "PB11",
        "type": "bidirectional",
        "description": "PB11 is a 5 V-tolerant (FT) I/O with alternate functions I2C2_SDA, USART3_RX and TIM2_CH4."
      },
      {
        "number": "31",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "32",
        "name": "VDD_1",
        "type": "power_in",
        "description": "Digital supply pin; the application supply and I/Os operate from 2.0 to 3.6 V."
      },
      {
        "number": "33",
        "name": "PB12",
        "type": "bidirectional",
        "description": "PB12 is a 5 V-tolerant (FT) I/O with alternate functions SPI2_NSS, I2C2_SMBA, USART3_CK, TIM1_BKIN and TIM12_CH1."
      },
      {
        "number": "34",
        "name": "PB13",
        "type": "bidirectional",
        "description": "PB13 is a 5 V-tolerant (FT) I/O with alternate functions SPI2_SCK, USART3_CTS, TIM1_CH1N and TIM12_CH2."
      },
      {
        "number": "35",
        "name": "PB14",
        "type": "bidirectional",
        "description": "PB14 is a 5 V-tolerant (FT) I/O with alternate functions SPI2_MISO, USART3_RTS, TIM1_CH2N and TIM15_CH1."
      },
      {
        "number": "36",
        "name": "PB15",
        "type": "bidirectional",
        "description": "PB15 is a 5 V-tolerant (FT) I/O with alternate functions SPI2_MOSI, TIM1_CH3N, TIM15_CH1N and TIM15_CH2."
      },
      {
        "number": "37",
        "name": "PC6",
        "type": "bidirectional",
        "description": "PC6 is a 5 V-tolerant (FT) I/O with alternate function TIM3_CH1."
      },
      {
        "number": "38",
        "name": "PC7",
        "type": "bidirectional",
        "description": "PC7 is a 5 V-tolerant (FT) I/O with alternate function TIM3_CH2."
      },
      {
        "number": "39",
        "name": "PC8",
        "type": "bidirectional",
        "description": "PC8 is a 5 V-tolerant (FT) I/O with alternate functions TIM13_CH1 and TIM3_CH3."
      },
      {
        "number": "40",
        "name": "PC9",
        "type": "bidirectional",
        "description": "PC9 is a 5 V-tolerant (FT) I/O with alternate functions TIM14_CH1 and TIM3_CH4."
      },
      {
        "number": "41",
        "name": "PA8",
        "type": "bidirectional",
        "description": "PA8 is a 5 V-tolerant (FT) I/O with alternate functions USART1_CK, TIM1_CH1 and MCO."
      },
      {
        "number": "42",
        "name": "PA9",
        "type": "bidirectional",
        "description": "PA9 is a 5 V-tolerant (FT) I/O with alternate functions USART1_TX, TIM1_CH2 and TIM15_BKIN."
      },
      {
        "number": "43",
        "name": "PA10",
        "type": "bidirectional",
        "description": "PA10 is a 5 V-tolerant (FT) I/O with alternate functions USART1_RX, TIM1_CH3 and TIM17_BKIN."
      },
      {
        "number": "44",
        "name": "PA11",
        "type": "bidirectional",
        "description": "PA11 is a 5 V-tolerant (FT) I/O with alternate functions USART1_CTS and TIM1_CH4."
      },
      {
        "number": "45",
        "name": "PA12",
        "type": "bidirectional",
        "description": "PA12 is a 5 V-tolerant (FT) I/O with alternate functions USART1_RTS and TIM1_ETR."
      },
      {
        "number": "46",
        "name": "PA13",
        "type": "bidirectional",
        "description": "PA13 is a 5 V-tolerant (FT) I/O that defaults to the JTMS-SWDIO debug function."
      },
      {
        "number": "47",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "48",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Digital supply pin; the application supply and I/Os operate from 2.0 to 3.6 V."
      },
      {
        "number": "49",
        "name": "PA14",
        "type": "bidirectional",
        "description": "PA14 is a 5 V-tolerant (FT) I/O that defaults to the JTCK-SWCLK debug function."
      },
      {
        "number": "50",
        "name": "PA15",
        "type": "bidirectional",
        "description": "PA15 is a 5 V-tolerant (FT) I/O with default function JTDI and alternate functions SPI3_NSS, TIM2_CH1_ETR and SPI1_NSS."
      },
      {
        "number": "51",
        "name": "PC10",
        "type": "bidirectional",
        "description": "PC10 is a 5 V-tolerant (FT) I/O with alternate functions UART4_TX and USART3_TX."
      },
      {
        "number": "52",
        "name": "PC11",
        "type": "bidirectional",
        "description": "PC11 is a 5 V-tolerant (FT) I/O with alternate functions UART4_RX and USART3_RX."
      },
      {
        "number": "53",
        "name": "PC12",
        "type": "bidirectional",
        "description": "PC12 is a 5 V-tolerant (FT) I/O with alternate functions UART5_TX and USART3_CK."
      },
      {
        "number": "54",
        "name": "PD2",
        "type": "bidirectional",
        "description": "PD2 is a 5 V-tolerant (FT) I/O with alternate functions TIM3_ETR and UART5_RX."
      },
      {
        "number": "55",
        "name": "PB3",
        "type": "bidirectional",
        "description": "PB3 is a 5 V-tolerant (FT) I/O with default function JTDO and alternate functions SPI3_SCK, TRACESWO, TIM2_CH2 and SPI1_SCK."
      },
      {
        "number": "56",
        "name": "PB4",
        "type": "bidirectional",
        "description": "PB4 is a 5 V-tolerant (FT) I/O with default function NJTRST and alternate functions SPI3_MISO, TIM3_CH1 and SPI1_MISO."
      },
      {
        "number": "57",
        "name": "PB5",
        "type": "bidirectional",
        "description": "PB5 is an I/O (not 5 V tolerant) with alternate functions I2C1_SMBA, SPI3_MOSI, TIM16_BKIN, TIM3_CH2 and SPI1_MOSI."
      },
      {
        "number": "58",
        "name": "PB6",
        "type": "bidirectional",
        "description": "PB6 is a 5 V-tolerant (FT) I/O with alternate functions I2C1_SCL, TIM4_CH1, TIM16_CH1N and USART1_TX."
      },
      {
        "number": "59",
        "name": "PB7",
        "type": "bidirectional",
        "description": "PB7 is a 5 V-tolerant (FT) I/O with alternate functions I2C1_SDA, TIM4_CH2, TIM17_CH1N and USART1_RX."
      },
      {
        "number": "60",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot mode selection input (BOOT0 pin) that selects the device boot source together with BOOT1 on PB2."
      },
      {
        "number": "61",
        "name": "PB8",
        "type": "bidirectional",
        "description": "PB8 is a 5 V-tolerant (FT) I/O with alternate functions TIM4_CH3, TIM16_CH1, HDMI_CEC and I2C1_SCL."
      },
      {
        "number": "62",
        "name": "PB9",
        "type": "bidirectional",
        "description": "PB9 is a 5 V-tolerant (FT) I/O with alternate functions TIM4_CH4, TIM17_CH1 and I2C1_SDA."
      },
      {
        "number": "63",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "64",
        "name": "VDD_3",
        "type": "power_in",
        "description": "Digital supply pin; the application supply and I/Os operate from 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: In the extracted text the LQFP64 pin numbers for VBAT, PC13, PC14 and PC15 are merged with the LQFP1; BOOT0 is listed as input type ('I') in Table 4, so it is mapped to KiCad input; the Table 4 pin desc; NRST is listed as I/O in Table 4 with no electrical limits in the supplied pages; the description on"
        ],
        "pages_sent": 42,
        "cost_usd": 0.2367,
        "at": "2026-10-07T23:47:01"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588922067907719168",
        "pages": 107,
        "sha256": "37ac4e5d049f3b5d",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 64,
        "described": 64,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "stm32f100ret6b.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b0c827bc5c05552175d28affe44a5bd2ab45c9c36efff6ff07a74cc449b13db4",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm32f100ret6b-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
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        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "e9b40cd6a4fbe96c6eccbe8a88ac726dd1e7801f6201642e7db04868c1bd117a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "LQFP-64(10x10)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "64"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "stm32f100ret6b"
  ],
  "discovery_pitch": "STM32F100RET6B (STMicroelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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}