STM32F091VCT6

{
  "slug": "stm32f091vct6",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-100(14x14). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "stm32f091vct6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm32f091vct6.kicad_sym",
    "stm32f091vct6.kicad_mod",
    "stm32f091vct6.glb",
    "stm32f091vct6.step",
    "stm32f091vct6.lbr",
    "docs/hero.png",
    "docs/stm32f091vct6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "STM32F091VCT6",
    "manufacturer": "STMicroelectronics",
    "package": "LQFP-100(14x14)",
    "pin_count": 100,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588919878804127744",
    "parts": {
      "symbol": "stm32f091vct6.kicad_sym",
      "footprint": "stm32f091vct6.kicad_mod",
      "model_3d": "stm32f091vct6-etched.glb",
      "model_3d_plain": "stm32f091vct6.glb",
      "model_3d_step": "stm32f091vct6-etched.step",
      "model_3d_step_plain": "stm32f091vct6.step",
      "lbr": "stm32f091vct6.lbr"
    },
    "distributor_links": {
      "lcsc": "C329282",
      "digikey": "497-15168-ND",
      "mouser": "511-STM32F091VCT6"
    },
    "distributor_check": {
      "checked_at": "2026-09-26T20:21:27Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-15168-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32F091VCT6",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PE2",
        "type": "bidirectional",
        "description": "FT GPIO; alternate functions TSC_G7_IO1 (touch sensing group 7), TIM3_ETR; 5 V-tolerant input, \u00b18 mA output drive."
      },
      {
        "number": "2",
        "name": "PE3",
        "type": "bidirectional",
        "description": "FT GPIO; alternate functions TSC_G7_IO2, TIM3_CH1; 5 V-tolerant input, \u00b18 mA output drive."
      },
      {
        "number": "3",
        "name": "PE4",
        "type": "bidirectional",
        "description": "FT GPIO; alternate functions TSC_G7_IO3, TIM3_CH2; 5 V-tolerant input, \u00b18 mA output drive."
      },
      {
        "number": "4",
        "name": "PE5",
        "type": "bidirectional",
        "description": "FT GPIO; alternate functions TSC_G7_IO4, TIM3_CH3; 5 V-tolerant input, \u00b18 mA output drive."
      },
      {
        "number": "5",
        "name": "PE6",
        "type": "bidirectional",
        "description": "FT GPIO; alternate function TIM3_CH4; additional functions WKUP3, RTC_TAMP3; 5 V-tolerant input, \u00b18 mA output drive."
      },
      {
        "number": "6",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup domain power supply for RTC, 32 kHz oscillator, and backup registers when VDD is absent; 1.65 to 3.6 V."
      },
      {
        "number": "7",
        "name": "PC13",
        "type": "bidirectional",
        "description": "TC GPIO supplied through power switch; limited to 3 mA max current, 2 MHz max speed, 30 pF max load; additional functions WKUP2, RTC_TAMP1, RTC_TS, RTC_OUT."
      },
      {
        "number": "8",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "TC GPIO / 32.768 kHz oscillator input (OSC32_IN); supplied through power switch (3 mA, 2 MHz, 30 pF limit); function depends on RTC registers after first power-up."
      },
      {
        "number": "9",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "TC GPIO / 32.768 kHz oscillator output (OSC32_OUT); supplied through power switch (3 mA, 2 MHz, 30 pF limit); function depends on RTC registers after first power-up."
      },
      {
        "number": "10",
        "name": "PF9",
        "type": "bidirectional",
        "description": "FT GPIO; alternate functions TIM15_CH1, USART6_TX; 5 V-tolerant input, \u00b18 mA output drive."
      },
      {
        "number": "11",
        "name": "PF10",
        "type": "bidirectional",
        "description": "FT GPIO; alternate functions TIM15_CH2, USART6_RX; 5 V-tolerant input, \u00b18 mA output drive."
      },
      {
        "number": "12",
        "name": "PF0-OSC_IN",
        "type": "bidirectional",
        "description": "FTf GPIO / HSE oscillator input (4-32 MHz); alternate functions CRS_SYNC, I2C1_SDA; 5 V-tolerant, Fast-mode Plus capable (20 mA sink)."
      },
      {
        "number": "13",
        "name": "PF1-OSC_OUT",
        "type": "bidirectional",
        "description": "FTf GPIO / HSE oscillator output; alternate function I2C1_SCL; 5 V-tolerant, Fast-mode Plus capable (20 mA sink)."
      },
      {
        "number": "14",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Active-low bidirectional reset pin with embedded pull-up resistor (25-55 k\u03a9 typical 40 k\u03a9); VIL max 0.3\u00d7VDD+0.07 V; minimum unfiltered pulse 300 ns (VDD > 2.7 V)."
      },
      {
        "number": "15",
        "name": "PC0",
        "type": "bidirectional",
        "description": "TTa GPIO with ADC_IN10 analog input (0 to VDDA); alternate functions EVENTOUT, USART6_TX, USART7_TX; 3.3 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "16",
        "name": "PC1",
        "type": "bidirectional",
        "description": "TTa GPIO with ADC_IN11 analog input (0 to VDDA); alternate functions EVENTOUT, USART6_RX, USART7_RX; 3.3 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "17",
        "name": "PC2",
        "type": "bidirectional",
        "description": "TTa GPIO with ADC_IN12 analog input (0 to VDDA); alternate functions SPI2_MISO, I2S2_MCK, USART8_TX; 3.3 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "18",
        "name": "PC3",
        "type": "bidirectional",
        "description": "TTa GPIO with ADC_IN13 analog input (0 to VDDA); alternate functions SPI2_MOSI, I2S2_SD, USART8_RX; 3.3 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "19",
        "name": "PF2",
        "type": "bidirectional",
        "description": "FT GPIO; alternate functions EVENTOUT, USART7_TX, USART7_CK_RTS; additional function WKUP8; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "20",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground reference for ADC, DAC, comparators, internal oscillators, and PLL; must always be connected to VSS."
      },
      {
        "number": "21",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog power supply for ADC, DAC, comparators, RCs, and PLL; VDD to 3.6 V (min 2.4 V when ADC or DAC used); must be \u2265 VDD."
      },
      {
        "number": "22",
        "name": "PF3",
        "type": "bidirectional",
        "description": "FT GPIO; alternate functions EVENTOUT, USART7_RX, USART6_CK_RTS; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "23",
        "name": "PA0",
        "type": "bidirectional",
        "description": "TTa GPIO with ADC_IN0, COMP1_INM6; alternate functions USART2_CTS, TIM2_CH1_ETR, TSC_G1_IO1, USART4_TX, COMP1_OUT; additional WKUP1, RTC_TAMP2."
      },
      {
        "number": "24",
        "name": "PA1",
        "type": "bidirectional",
        "description": "TTa GPIO with ADC_IN1, COMP1_INP; alternate functions USART2_RTS, TIM2_CH2, TIM15_CH1N, TSC_G1_IO2, USART4_RX; max \u00b18 mA output drive."
      },
      {
        "number": "25",
        "name": "PA2",
        "type": "bidirectional",
        "description": "TTa GPIO with ADC_IN2, COMP2_INM6; alternate functions USART2_TX, TIM2_CH3, TIM15_CH1, TSC_G1_IO3, COMP2_OUT; additional WKUP4."
      },
      {
        "number": "26",
        "name": "PA3",
        "type": "bidirectional",
        "description": "TTa GPIO with ADC_IN3, COMP2_INP; alternate functions USART2_RX, TIM2_CH4, TIM15_CH2, TSC_G1_IO4; max \u00b18 mA output drive."
      },
      {
        "number": "27",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground supply; 0 V reference for core logic and I/Os."
      },
      {
        "number": "28",
        "name": "VDD",
        "type": "power_in",
        "description": "Main digital power supply (VDDIO1) for core logic and I/Os; 2.0 to 3.6 V; max 100 mA per pin."
      },
      {
        "number": "29",
        "name": "PA4",
        "type": "bidirectional",
        "description": "TTa GPIO with ADC_IN4, DAC_OUT1, COMP1_INM4, COMP2_INM4; alternate functions SPI1_NSS, I2S1_WS, TIM14_CH1, TSC_G2_IO1, USART2_CK, USART6_TX."
      },
      {
        "number": "30",
        "name": "PA5",
        "type": "bidirectional",
        "description": "TTa GPIO with ADC_IN5, DAC_OUT2, COMP1_INM5, COMP2_INM5; alternate functions SPI1_SCK, I2S1_CK, CEC, TIM2_CH1_ETR, TSC_G2_IO2, USART6_RX."
      },
      {
        "number": "31",
        "name": "PA6",
        "type": "bidirectional",
        "description": "TTa GPIO with ADC_IN6; alternate functions SPI1_MISO, I2S1_MCK, TIM3_CH1, TIM1_BKIN, TIM16_CH1, COMP1_OUT, TSC_G2_IO3, USART3_CTS; max \u00b18 mA output drive."
      },
      {
        "number": "32",
        "name": "PA7",
        "type": "bidirectional",
        "description": "TTa GPIO with ADC_IN7; alternate functions SPI1_MOSI, I2S1_SD, TIM3_CH2, TIM14_CH1, TIM1_CH1N, TIM17_CH1, COMP2_OUT, TSC_G2_IO4; max \u00b18 mA output drive."
      },
      {
        "number": "33",
        "name": "PC4",
        "type": "bidirectional",
        "description": "TTa GPIO with ADC_IN14; alternate functions EVENTOUT, USART3_TX; 3.3 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "34",
        "name": "PC5",
        "type": "bidirectional",
        "description": "TTa GPIO with ADC_IN15; alternate functions TSC_G3_IO1, USART3_RX; additional WKUP5; 3.3 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "35",
        "name": "PB0",
        "type": "bidirectional",
        "description": "TTa GPIO with ADC_IN8; alternate functions TIM3_CH3, TIM1_CH2N, TSC_G3_IO2, EVENTOUT, USART3_CK; max \u00b18 mA output drive."
      },
      {
        "number": "36",
        "name": "PB1",
        "type": "bidirectional",
        "description": "TTa GPIO with ADC_IN9; alternate functions TIM3_CH4, USART3_RTS, TIM14_CH1, TIM1_CH3N, TSC_G3_IO3; max \u00b18 mA output drive."
      },
      {
        "number": "37",
        "name": "PB2",
        "type": "bidirectional",
        "description": "FT GPIO; alternate function TSC_G3_IO4; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "38",
        "name": "PE7",
        "type": "bidirectional",
        "description": "FT GPIO; alternate functions TIM1_ETR, USART5_CK_RTS; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "39",
        "name": "PE8",
        "type": "bidirectional",
        "description": "FT GPIO; alternate functions TIM1_CH1N, USART4_TX; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "40",
        "name": "PE9",
        "type": "bidirectional",
        "description": "FT GPIO; alternate functions TIM1_CH1, USART4_RX; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "41",
        "name": "PE10",
        "type": "bidirectional",
        "description": "FT GPIO; alternate functions TIM1_CH2N, USART5_TX; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "42",
        "name": "PE11",
        "type": "bidirectional",
        "description": "FT GPIO; alternate functions TIM1_CH2, USART5_RX; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "43",
        "name": "PE12",
        "type": "bidirectional",
        "description": "FT GPIO; alternate functions SPI1_NSS, I2S1_WS, TIM1_CH3N; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "44",
        "name": "PE13",
        "type": "bidirectional",
        "description": "FT GPIO; alternate functions SPI1_SCK, I2S1_CK, TIM1_CH3; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "45",
        "name": "PE14",
        "type": "bidirectional",
        "description": "FT GPIO; alternate functions SPI1_MISO, I2S1_MCK, TIM1_CH4; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "46",
        "name": "PE15",
        "type": "bidirectional",
        "description": "FT GPIO; alternate functions SPI1_MOSI, I2S1_SD, TIM1_BKIN; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "47",
        "name": "PB10",
        "type": "bidirectional",
        "description": "FTf GPIO; alternate functions SPI2_SCK, I2S2_CK, I2C2_SCL, USART3_TX, CEC, TSC_SYNC, TIM2_CH3; 5 V-tolerant, Fast-mode Plus capable (20 mA sink)."
      },
      {
        "number": "48",
        "name": "PB11",
        "type": "bidirectional",
        "description": "FTf GPIO; alternate functions USART3_RX, TIM2_CH4, EVENTOUT, TSC_G6_IO1, I2C2_SDA; 5 V-tolerant, Fast-mode Plus capable (20 mA sink)."
      },
      {
        "number": "49",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground supply; 0 V reference for core logic and I/Os."
      },
      {
        "number": "50",
        "name": "VDD",
        "type": "power_in",
        "description": "Main digital power supply (VDDIO1) for core logic and I/Os; 2.0 to 3.6 V; max 100 mA per pin."
      },
      {
        "number": "51",
        "name": "PB12",
        "type": "bidirectional",
        "description": "FT GPIO; alternate functions TIM1_BKIN, TIM15_BKIN, SPI2_NSS, I2S2_WS, USART3_CK, TSC_G6_IO2; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "52",
        "name": "PB13",
        "type": "bidirectional",
        "description": "FTf GPIO; alternate functions SPI2_SCK, I2S2_CK, I2C2_SCL, USART3_CTS, TIM1_CH1N, TSC_G6_IO3; 5 V-tolerant, Fast-mode Plus capable (20 mA sink)."
      },
      {
        "number": "53",
        "name": "PB14",
        "type": "bidirectional",
        "description": "FTf GPIO; alternate functions SPI2_MISO, I2S2_MCK, I2C2_SDA, USART3_RTS, TIM1_CH2N, TIM15_CH1, TSC_G6_IO4; 5 V-tolerant, Fm+ capable."
      },
      {
        "number": "54",
        "name": "PB15",
        "type": "bidirectional",
        "description": "FT GPIO; alternate functions SPI2_MOSI, I2S2_SD, TIM1_CH3N, TIM15_CH1N, TIM15_CH2; additional functions WKUP7, RTC_REFIN; 5 V-tolerant."
      },
      {
        "number": "55",
        "name": "PD8",
        "type": "bidirectional",
        "description": "FT GPIO; alternate function USART3_TX; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "56",
        "name": "PD9",
        "type": "bidirectional",
        "description": "FT GPIO; alternate function USART3_RX; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "57",
        "name": "PD10",
        "type": "bidirectional",
        "description": "FT GPIO; alternate function USART3_CK; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "58",
        "name": "PD11",
        "type": "bidirectional",
        "description": "FT GPIO; alternate function USART3_CTS; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "59",
        "name": "PD12",
        "type": "bidirectional",
        "description": "FT GPIO; alternate functions USART3_RTS, TSC_G8_IO1, USART8_CK_RTS; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "60",
        "name": "PD13",
        "type": "bidirectional",
        "description": "FT GPIO; alternate functions TSC_G8_IO2, USART8_TX; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "61",
        "name": "PD14",
        "type": "bidirectional",
        "description": "FT GPIO; alternate functions TSC_G8_IO3, USART8_RX; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "62",
        "name": "PD15",
        "type": "bidirectional",
        "description": "FT GPIO; alternate functions TSC_G8_IO4, CRS_SYNC, USART7_CK_RTS; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "63",
        "name": "PC6",
        "type": "bidirectional",
        "description": "FT GPIO supplied by VDDIO2; alternate functions TIM3_CH1, USART7_TX; 5 V-tolerant, max \u00b18 mA output drive (max 40 mA total VDDIO2-sourced current)."
      },
      {
        "number": "64",
        "name": "PC7",
        "type": "bidirectional",
        "description": "FT GPIO supplied by VDDIO2; alternate functions TIM3_CH2, USART7_RX; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "65",
        "name": "PC8",
        "type": "bidirectional",
        "description": "FT GPIO supplied by VDDIO2; alternate functions TIM3_CH3, USART8_TX; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "66",
        "name": "PC9",
        "type": "bidirectional",
        "description": "FT GPIO supplied by VDDIO2; alternate functions TIM3_CH4, USART8_RX; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "67",
        "name": "PA8",
        "type": "bidirectional",
        "description": "FT GPIO supplied by VDDIO2; alternate functions USART1_CK, TIM1_CH1, MCO (clock output), CRS_SYNC; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "68",
        "name": "PA9",
        "type": "bidirectional",
        "description": "FT GPIO supplied by VDDIO2; alternate functions USART1_TX, TIM1_CH2, TIM15_BKIN, MCO, TSC_G4_IO1, I2C1_SCL; 5 V-tolerant."
      },
      {
        "number": "69",
        "name": "PA10",
        "type": "bidirectional",
        "description": "FT GPIO supplied by VDDIO2; alternate functions USART1_RX, TIM1_CH3, TIM17_BKIN, TSC_G4_IO2, I2C1_SDA; 5 V-tolerant."
      },
      {
        "number": "70",
        "name": "PA11",
        "type": "bidirectional",
        "description": "FT GPIO supplied by VDDIO2; alternate functions CAN_RX, USART1_CTS, TIM1_CH4, COMP1_OUT, TSC_G4_IO3, I2C2_SCL; 5 V-tolerant."
      },
      {
        "number": "71",
        "name": "PA12",
        "type": "bidirectional",
        "description": "FT GPIO supplied by VDDIO2; alternate functions CAN_TX, USART1_RTS, TIM1_ETR, COMP2_OUT, TSC_G4_IO4, I2C2_SDA; 5 V-tolerant."
      },
      {
        "number": "72",
        "name": "PA13",
        "type": "bidirectional",
        "description": "FT GPIO supplied by VDDIO2; default function SWDIO (with internal pull-up activated at reset); alternate function IR_OUT; 5 V-tolerant."
      },
      {
        "number": "73",
        "name": "PF6",
        "type": "bidirectional",
        "description": "FT GPIO supplied by VDDIO2; no alternate functions defined; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "74",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground supply; 0 V reference for core logic and I/Os."
      },
      {
        "number": "75",
        "name": "VDDIO2",
        "type": "power_in",
        "description": "Independent I/O power supply for 19 I/Os (PA8-PA15, PC6-PC12, PD0-PD2, PF6); 1.65 to 3.6 V; must not be supplied without valid VDD; monitored by internal comparator against VREFINT."
      },
      {
        "number": "76",
        "name": "PA14",
        "type": "bidirectional",
        "description": "FT GPIO supplied by VDDIO2; default function SWCLK (with internal pull-down activated at reset); alternate function USART2_TX; 5 V-tolerant."
      },
      {
        "number": "77",
        "name": "PA15",
        "type": "bidirectional",
        "description": "FT GPIO supplied by VDDIO2; alternate functions SPI1_NSS, I2S1_WS, USART2_RX, USART4_RTS, TIM2_CH1_ETR; 5 V-tolerant."
      },
      {
        "number": "78",
        "name": "PC10",
        "type": "bidirectional",
        "description": "FT GPIO supplied by VDDIO2; alternate functions USART3_TX, USART4_TX; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "79",
        "name": "PC11",
        "type": "bidirectional",
        "description": "FT GPIO supplied by VDDIO2; alternate functions USART3_RX, USART4_RX; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "80",
        "name": "PC12",
        "type": "bidirectional",
        "description": "FT GPIO supplied by VDDIO2; alternate functions USART3_CK, USART4_CK, USART5_TX; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "81",
        "name": "PD0",
        "type": "bidirectional",
        "description": "FT GPIO supplied by VDDIO2; alternate functions SPI2_NSS, I2S2_WS, CAN_RX; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "82",
        "name": "PD1",
        "type": "bidirectional",
        "description": "FT GPIO supplied by VDDIO2; alternate functions SPI2_SCK, I2S2_CK, CAN_TX; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "83",
        "name": "PD2",
        "type": "bidirectional",
        "description": "FT GPIO supplied by VDDIO2; alternate functions USART3_RTS, TIM3_ETR, USART5_RX; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "84",
        "name": "PD3",
        "type": "bidirectional",
        "description": "FT GPIO; alternate functions SPI2_MISO, I2S2_MCK, USART2_CTS; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "85",
        "name": "PD4",
        "type": "bidirectional",
        "description": "FT GPIO; alternate functions SPI2_MOSI, I2S2_SD, USART2_RTS; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "86",
        "name": "PD5",
        "type": "bidirectional",
        "description": "FT GPIO; alternate function USART2_TX; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "87",
        "name": "PD6",
        "type": "bidirectional",
        "description": "FT GPIO; alternate function USART2_RX; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "88",
        "name": "PD7",
        "type": "bidirectional",
        "description": "FT GPIO; alternate function USART2_CK; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "89",
        "name": "PB3",
        "type": "bidirectional",
        "description": "FT GPIO; alternate functions SPI1_SCK, I2S1_CK, TIM2_CH2, TSC_G5_IO1, USART5_TX; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "90",
        "name": "PB4",
        "type": "bidirectional",
        "description": "FT GPIO; alternate functions SPI1_MISO, I2S1_MCK, TIM17_BKIN, TIM3_CH1, TSC_G5_IO2, USART5_RX; 5 V-tolerant."
      },
      {
        "number": "91",
        "name": "PB5",
        "type": "bidirectional",
        "description": "FT GPIO; alternate functions SPI1_MOSI, I2S1_SD, I2C1_SMBA, TIM16_BKIN, TIM3_CH2, USART5_CK_RTS; additional WKUP6; 5 V-tolerant."
      },
      {
        "number": "92",
        "name": "PB6",
        "type": "bidirectional",
        "description": "FTf GPIO; alternate functions I2C1_SCL, USART1_TX, TIM16_CH1N, TSC_G5_IO3; 5 V-tolerant, Fast-mode Plus capable (20 mA sink)."
      },
      {
        "number": "93",
        "name": "PB7",
        "type": "bidirectional",
        "description": "FTf GPIO; alternate functions I2C1_SDA, USART1_RX, USART4_CTS, TIM17_CH1N, TSC_G5_IO4; 5 V-tolerant, Fast-mode Plus capable."
      },
      {
        "number": "94",
        "name": "PF11-BOOT0",
        "type": "bidirectional",
        "description": "FT GPIO; sampled at reset to select boot memory source (BOOT0 function); alternate functions none defined; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "95",
        "name": "PB8",
        "type": "bidirectional",
        "description": "FTf GPIO; alternate functions I2C1_SCL, CEC, TIM16_CH1, TSC_SYNC, CAN_RX; 5 V-tolerant, Fast-mode Plus capable (20 mA sink)."
      },
      {
        "number": "96",
        "name": "PB9",
        "type": "bidirectional",
        "description": "FTf GPIO; alternate functions SPI2_NSS, I2S2_WS, I2C1_SDA, IR_OUT, TIM17_CH1, CAN_TX; 5 V-tolerant, Fast-mode Plus capable."
      },
      {
        "number": "97",
        "name": "PE0",
        "type": "bidirectional",
        "description": "FT GPIO; alternate functions EVENTOUT, TIM16_CH1; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "98",
        "name": "PE1",
        "type": "bidirectional",
        "description": "FT GPIO; alternate functions EVENTOUT, TIM17_CH1; 5 V-tolerant, max \u00b18 mA output drive."
      },
      {
        "number": "99",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground supply; 0 V reference for core logic and I/Os."
      },
      {
        "number": "100",
        "name": "VDD",
        "type": "power_in",
        "description": "Main digital power supply (VDDIO1) for core logic and I/Os; 2.0 to 3.6 V; max 100 mA per pin."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pins supplied by VDDIO2 (pins 63-72, 78-82) have independent voltage domain (1.65-3.6V); this is unu"
        ],
        "pages_sent": 128,
        "cost_usd": 1.8518,
        "at": "2026-09-26T20:20:47"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588919878804127744",
        "pages": 128,
        "sha256": "f96a82f50344c619",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 100,
        "described": 100,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  }
}