STM32F412ZET6

{
  "slug": "stm32f412zet6",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-144(20x20). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "stm32f412zet6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm32f412zet6.kicad_sym",
    "stm32f412zet6.kicad_mod",
    "stm32f412zet6.glb",
    "stm32f412zet6.step",
    "stm32f412zet6.lbr",
    "docs/hero.png",
    "docs/stm32f412zet6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stm32f412zet6-hero.glb",
    "stm32f412zet6-hero.overlay.json"
  ],
  "component": {
    "mpn": "STM32F412ZET6",
    "manufacturer": "STMicroelectronics",
    "package": "LQFP-144(20x20)",
    "pin_count": 144,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588922996173627392",
    "parts": {
      "symbol": "stm32f412zet6.kicad_sym",
      "footprint": "stm32f412zet6.kicad_mod",
      "model_3d": "stm32f412zet6-hero.glb",
      "model_3d_plain": "stm32f412zet6.glb",
      "model_3d_step": "stm32f412zet6-etched.step",
      "model_3d_step_plain": "stm32f412zet6.step",
      "lbr": "stm32f412zet6.lbr"
    },
    "distributor_links": {
      "lcsc": 1339801,
      "digikey": "497-18548-ND",
      "mouser": "511-STM32F412ZET6"
    },
    "distributor_check": {
      "checked_at": "2026-10-03T06:09:29Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-18548-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32F412ZET6",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PE2",
        "type": "bidirectional",
        "description": "GPIO Port E pin 2, 5V tolerant I/O; alternate functions include TRACECLK, SPI4_SCK/I2S4_CK, SPI5_SCK/I2S5_CK, QUADSPI_BK1_IO2, FSMC_A23"
      },
      {
        "number": "2",
        "name": "PE3",
        "type": "bidirectional",
        "description": "GPIO Port E pin 3, 5V tolerant I/O; alternate functions include TRACED0, FSMC_A19"
      },
      {
        "number": "3",
        "name": "PE4",
        "type": "bidirectional",
        "description": "GPIO Port E pin 4, 5V tolerant I/O; alternate functions include TRACED1, SPI4_NSS/I2S4_WS, SPI5_NSS/I2S5_WS, DFSDM1_DATIN3, FSMC_A20"
      },
      {
        "number": "4",
        "name": "PE5",
        "type": "bidirectional",
        "description": "GPIO Port E pin 5, 5V tolerant I/O; alternate functions include TRACED2, TIM9_CH1, SPI4_MISO, SPI5_MISO, DFSDM1_CKIN3, FSMC_A21"
      },
      {
        "number": "5",
        "name": "PE6",
        "type": "bidirectional",
        "description": "GPIO Port E pin 6, 5V tolerant I/O; alternate functions include TRACED3, TIM9_CH2, SPI4_MOSI/I2S4_SD, SPI5_MOSI/I2S5_SD, FSMC_A22"
      },
      {
        "number": "6",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup domain supply voltage for RTC and backup registers, 1.7 V to 3.6 V"
      },
      {
        "number": "7",
        "name": "PC13",
        "type": "bidirectional",
        "description": "GPIO Port C pin 13, 5V tolerant I/O with 3mA max source/sink via power switch; speed ≤2MHz with 30pF load; TAMP_1 function for RTC tamper detection"
      },
      {
        "number": "8",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "GPIO Port C pin 14 or 32 kHz oscillator input, 5V tolerant except in oscillator mode; speed ≤2MHz with 30pF load via power switch"
      },
      {
        "number": "9",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "GPIO Port C pin 15 or 32 kHz oscillator output, 5V tolerant except in oscillator mode; speed ≤2MHz with 30pF load via power switch"
      },
      {
        "number": "10",
        "name": "PF0",
        "type": "bidirectional",
        "description": "GPIO Port F pin 0, 5V tolerant I/O; alternate functions include I2C2_SDA, FSMC_A0"
      },
      {
        "number": "11",
        "name": "PF1",
        "type": "bidirectional",
        "description": "GPIO Port F pin 1, 5V tolerant I/O; alternate functions include I2C2_SCL, FSMC_A1"
      },
      {
        "number": "12",
        "name": "PF2",
        "type": "bidirectional",
        "description": "GPIO Port F pin 2, 5V tolerant I/O; alternate functions include I2C2_SMBA, FSMC_A2"
      },
      {
        "number": "13",
        "name": "PF3",
        "type": "bidirectional",
        "description": "GPIO Port F pin 3, 5V tolerant I/O; alternate functions include TIM5_CH1, FSMC_A3"
      },
      {
        "number": "14",
        "name": "PF4",
        "type": "bidirectional",
        "description": "GPIO Port F pin 4, 5V tolerant I/O; alternate functions include TIM5_CH2, FSMC_A4"
      },
      {
        "number": "15",
        "name": "PF5",
        "type": "bidirectional",
        "description": "GPIO Port F pin 5, 5V tolerant I/O; alternate functions include TIM5_CH3, FSMC_A5"
      },
      {
        "number": "16",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground connection (return path for VDD)"
      },
      {
        "number": "17",
        "name": "VDD",
        "type": "power_in",
        "description": "Main supply voltage, 1.7 V to 3.6 V"
      },
      {
        "number": "18",
        "name": "PF6",
        "type": "bidirectional",
        "description": "GPIO Port F pin 6, 5V tolerant I/O; alternate functions include TRACED0, TIM10_CH1, QUADSPI_BK1_IO3"
      },
      {
        "number": "19",
        "name": "PF7",
        "type": "bidirectional",
        "description": "GPIO Port F pin 7, 5V tolerant I/O; alternate functions include TRACED1, TIM11_CH1, QUADSPI_BK1_IO2"
      },
      {
        "number": "20",
        "name": "PF8",
        "type": "bidirectional",
        "description": "GPIO Port F pin 8, 5V tolerant I/O; alternate functions include TIM13_CH1, QUADSPI_BK1_IO0"
      },
      {
        "number": "21",
        "name": "PF9",
        "type": "bidirectional",
        "description": "GPIO Port F pin 9, 5V tolerant I/O; alternate functions include TIM14_CH1, QUADSPI_BK1_IO1"
      },
      {
        "number": "22",
        "name": "PF10",
        "type": "bidirectional",
        "description": "GPIO Port F pin 10, 5V tolerant I/O; alternate functions include TIM1_ETR, TIM5_CH4"
      },
      {
        "number": "23",
        "name": "PH0-OSC_IN",
        "type": "bidirectional",
        "description": "GPIO Port H pin 0 or main oscillator input, 5V tolerant except in oscillator mode"
      },
      {
        "number": "24",
        "name": "PH1-OSC_OUT",
        "type": "bidirectional",
        "description": "GPIO Port H pin 1 or main oscillator output, 5V tolerant except in oscillator mode"
      },
      {
        "number": "25",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Bidirectional reset pin with embedded weak pull-up resistor, active low; used for system reset"
      },
      {
        "number": "26",
        "name": "PC0",
        "type": "bidirectional",
        "description": "GPIO Port C pin 0, 5V tolerant I/O; ADC1_IN10 input, WKUP2 wakeup function"
      },
      {
        "number": "27",
        "name": "PC1",
        "type": "bidirectional",
        "description": "GPIO Port C pin 1, 5V tolerant I/O; ADC1_IN11 input, WKUP3 wakeup function"
      },
      {
        "number": "28",
        "name": "PC2",
        "type": "bidirectional",
        "description": "GPIO Port C pin 2, 5V tolerant I/O; alternate functions include SPI2_MISO, I2S2ext_SD, DFSDM1_CKOUT, FSMC_NWE; ADC1_IN12"
      },
      {
        "number": "29",
        "name": "PC3",
        "type": "bidirectional",
        "description": "GPIO Port C pin 3, 5V tolerant I/O; alternate functions include SPI2_MOSI/I2S2_SD, FSMC_A0; ADC1_IN13"
      },
      {
        "number": "30",
        "name": "VDD",
        "type": "power_in",
        "description": "Main supply voltage, 1.7 V to 3.6 V"
      },
      {
        "number": "31",
        "name": "VSSA/VREF-",
        "type": "power_in",
        "description": "ADC ground supply and negative reference voltage, 0 V"
      },
      {
        "number": "32",
        "name": "VREF+",
        "type": "power_in",
        "description": "ADC positive reference voltage, 1.62 V to 3.6 V"
      },
      {
        "number": "33",
        "name": "VDDA",
        "type": "power_in",
        "description": "ADC analog supply voltage, 1.62 V to 3.6 V"
      },
      {
        "number": "34",
        "name": "PA0",
        "type": "bidirectional",
        "description": "GPIO Port A pin 0, 5V tolerant I/O; alternate functions include TIM2_CH1/TIM2_ETR, TIM5_CH1, TIM8_ETR, USART2_CTS; ADC1_IN0, WKUP1"
      },
      {
        "number": "35",
        "name": "PA1",
        "type": "bidirectional",
        "description": "GPIO Port A pin 1, 5V tolerant I/O; alternate functions include TIM2_CH2, TIM5_CH2, SPI4_MOSI/I2S4_SD, USART2_RTS, QUADSPI_BK1_IO3; ADC1_IN1"
      },
      {
        "number": "36",
        "name": "PA2",
        "type": "bidirectional",
        "description": "GPIO Port A pin 2, 5V tolerant I/O; alternate functions include TIM2_CH3, TIM5_CH3, TIM9_CH1, I2S2_CKIN, USART2_TX, FSMC_D4/FSMC_DA4; ADC1_IN2"
      },
      {
        "number": "37",
        "name": "PA3",
        "type": "bidirectional",
        "description": "GPIO Port A pin 3, 5V tolerant I/O; alternate functions include TIM2_CH4, TIM5_CH4, TIM9_CH2, I2S2_MCK, USART2_RX, FSMC_D5/FSMC_DA5; ADC1_IN3"
      },
      {
        "number": "38",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground connection (return path for VDD)"
      },
      {
        "number": "39",
        "name": "VDD",
        "type": "power_in",
        "description": "Main supply voltage, 1.7 V to 3.6 V"
      },
      {
        "number": "40",
        "name": "PA4",
        "type": "bidirectional",
        "description": "GPIO Port A pin 4, 5V tolerant I/O; alternate functions include SPI1_NSS/I2S1_WS, SPI3_NSS/I2S3_WS, USART2_CK, DFSDM1_DATIN1, FSMC_D6/FSMC_DA6; ADC1_IN4"
      },
      {
        "number": "41",
        "name": "PA5",
        "type": "bidirectional",
        "description": "GPIO Port A pin 5, 5V tolerant I/O; alternate functions include TIM2_CH1/TIM2_ETR, TIM8_CH1N, SPI1_SCK/I2S1_CK, DFSDM1_CKIN1, FSMC_D7/FSMC_DA7; ADC1_IN5"
      },
      {
        "number": "42",
        "name": "PA6",
        "type": "bidirectional",
        "description": "GPIO Port A pin 6, 5V tolerant I/O; alternate functions include TIM1_BKIN, TIM3_CH1, TIM8_BKIN, SPI1_MISO, I2S2_MCK, TIM13_CH1, QUADSPI_BK2_IO0, SDIO_CMD; ADC1_IN6"
      },
      {
        "number": "43",
        "name": "PA7",
        "type": "bidirectional",
        "description": "GPIO Port A pin 7, 5V tolerant I/O; alternate functions include TIM1_CH1N, TIM3_CH2, TIM8_CH1N, SPI1_MOSI/I2S1_SD, TIM14_CH1, QUADSPI_BK2_IO1; ADC1_IN7"
      },
      {
        "number": "44",
        "name": "PC4",
        "type": "bidirectional",
        "description": "GPIO Port C pin 4, 5V tolerant I/O; alternate functions include I2S1_MCK, QUADSPI_BK2_IO2, FSMC_NE4; ADC1_IN14"
      },
      {
        "number": "45",
        "name": "PC5",
        "type": "bidirectional",
        "description": "GPIO Port C pin 5, 5V tolerant I/O; alternate functions include I2CFMP1_SMBA, USART3_RX, QUADSPI_BK2_IO3, FSMC_NOE; ADC1_IN15"
      },
      {
        "number": "46",
        "name": "PB0",
        "type": "bidirectional",
        "description": "GPIO Port B pin 0, 5V tolerant I/O; alternate functions include TIM1_CH2N, TIM3_CH3, TIM8_CH2N, SPI5_SCK/I2S5_CK; ADC1_IN8"
      },
      {
        "number": "47",
        "name": "PB1",
        "type": "bidirectional",
        "description": "GPIO Port B pin 1, 5V tolerant I/O; alternate functions include TIM1_CH3N, TIM3_CH4, TIM8_CH3N, SPI5_NSS/I2S5_WS, DFSDM1_DATIN0, QUADSPI_CLK; ADC1_IN9"
      },
      {
        "number": "48",
        "name": "PB2",
        "type": "bidirectional",
        "description": "GPIO Port B pin 2, 5V tolerant I/O; alternate functions include DFSDM1_CKIN0, QUADSPI_CLK; BOOT1 function"
      },
      {
        "number": "49",
        "name": "PF11",
        "type": "bidirectional",
        "description": "GPIO Port F pin 11, 5V tolerant I/O; alternate function TIM8_ETR"
      },
      {
        "number": "50",
        "name": "PF12",
        "type": "bidirectional",
        "description": "GPIO Port F pin 12, 5V tolerant I/O; alternate functions include TIM8_BKIN, FSMC_A6"
      },
      {
        "number": "51",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground connection (return path for VDD)"
      },
      {
        "number": "52",
        "name": "VDD",
        "type": "power_in",
        "description": "Main supply voltage, 1.7 V to 3.6 V"
      },
      {
        "number": "53",
        "name": "PF13",
        "type": "bidirectional",
        "description": "GPIO Port F pin 13, 5V tolerant I/O; alternate functions include I2CFMP1_SMBA, FSMC_A7"
      },
      {
        "number": "54",
        "name": "PF14",
        "type": "bidirectional",
        "description": "GPIO Port F pin 14, 5V tolerant I/O; alternate functions include I2CFMP1_SCL, FSMC_A8"
      },
      {
        "number": "55",
        "name": "PF15",
        "type": "bidirectional",
        "description": "GPIO Port F pin 15, 5V tolerant I/O; alternate functions include I2CFMP1_SDA, FSMC_A9"
      },
      {
        "number": "56",
        "name": "PG0",
        "type": "bidirectional",
        "description": "GPIO Port G pin 0, 5V tolerant I/O; alternate functions include CAN1_RX, FSMC_A10"
      },
      {
        "number": "57",
        "name": "PG1",
        "type": "bidirectional",
        "description": "GPIO Port G pin 1, 5V tolerant I/O; alternate functions include CAN1_TX, FSMC_A11"
      },
      {
        "number": "58",
        "name": "PE7",
        "type": "bidirectional",
        "description": "GPIO Port E pin 7, 5V tolerant I/O; alternate functions include TIM1_ETR, DFSDM1_DATIN2, QUADSPI_BK2_IO0, FSMC_D4/FSMC_DA4"
      },
      {
        "number": "59",
        "name": "PE8",
        "type": "bidirectional",
        "description": "GPIO Port E pin 8, 5V tolerant I/O; alternate functions include TIM1_CH1N, DFSDM1_CKIN2, QUADSPI_BK2_IO1, FSMC_D5/FSMC_DA5"
      },
      {
        "number": "60",
        "name": "PE9",
        "type": "bidirectional",
        "description": "GPIO Port E pin 9, 5V tolerant I/O; alternate functions include TIM1_CH1, DFSDM1_CKOUT, QUADSPI_BK2_IO2, FSMC_D6/FSMC_DA6"
      },
      {
        "number": "61",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground connection (return path for VDD)"
      },
      {
        "number": "62",
        "name": "VDD",
        "type": "power_in",
        "description": "Main supply voltage, 1.7 V to 3.6 V"
      },
      {
        "number": "63",
        "name": "PE10",
        "type": "bidirectional",
        "description": "GPIO Port E pin 10, 5V tolerant I/O; alternate functions include TIM1_CH2N, QUADSPI_BK2_IO3, FSMC_D7/FSMC_DA7"
      },
      {
        "number": "64",
        "name": "PE11",
        "type": "bidirectional",
        "description": "GPIO Port E pin 11, 5V tolerant I/O; alternate functions include TIM1_CH2, SPI4_NSS/I2S4_WS, SPI5_NSS/I2S5_WS, FSMC_D8/FSMC_DA8"
      },
      {
        "number": "65",
        "name": "PE12",
        "type": "bidirectional",
        "description": "GPIO Port E pin 12, 5V tolerant I/O; alternate functions include TIM1_CH3N, SPI4_SCK/I2S4_CK, SPI5_SCK/I2S5_CK, FSMC_D9/FSMC_DA9"
      },
      {
        "number": "66",
        "name": "PE13",
        "type": "bidirectional",
        "description": "GPIO Port E pin 13, 5V tolerant I/O; alternate functions include TIM1_CH3, SPI4_MISO, SPI5_MISO, FSMC_D10/FSMC_DA10"
      },
      {
        "number": "67",
        "name": "PE14",
        "type": "bidirectional",
        "description": "GPIO Port E pin 14, 5V tolerant I/O; alternate functions include TIM1_CH4, SPI4_MOSI/I2S4_SD, SPI5_MOSI/I2S5_SD, FSMC_D11/FSMC_DA11"
      },
      {
        "number": "68",
        "name": "PE15",
        "type": "bidirectional",
        "description": "GPIO Port E pin 15, 5V tolerant I/O; alternate functions include TIM1_BKIN, FSMC_D12/FSMC_DA12"
      },
      {
        "number": "69",
        "name": "PB10",
        "type": "bidirectional",
        "description": "GPIO Port B pin 10, 5V tolerant I/O; alternate functions include TIM2_CH3, I2C2_SCL, SPI2_SCK/I2S2_CK, I2S3_MCK, USART3_TX, I2CFMP1_SCL, SDIO_D7"
      },
      {
        "number": "70",
        "name": "PB11",
        "type": "bidirectional",
        "description": "GPIO Port B pin 11, 5V tolerant I/O; alternate functions include TIM2_CH4, I2C2_SDA, I2S2_CKIN, USART3_RX"
      },
      {
        "number": "71",
        "name": "VCAP_1",
        "type": "power_in",
        "description": "Decoupling capacitor pin for internal voltage regulator, connect external capacitor to ground"
      },
      {
        "number": "72",
        "name": "VDD",
        "type": "power_in",
        "description": "Main supply voltage, 1.7 V to 3.6 V"
      },
      {
        "number": "73",
        "name": "PB12",
        "type": "bidirectional",
        "description": "GPIO Port B pin 12, 5V tolerant I/O; alternate functions include TIM1_BKIN, I2C2_SMBA, SPI2_NSS/I2S2_WS, SPI4_NSS/I2S4_WS, SPI3_SCK/I2S3_CK, USART3_CK, CAN2_RX, DFSDM1_DATIN1, FSMC_D13/FSMC_DA13"
      },
      {
        "number": "74",
        "name": "PB13",
        "type": "bidirectional",
        "description": "GPIO Port B pin 13, 5V tolerant I/O; alternate functions include TIM1_CH1N, I2CFMP1_SMBA, SPI2_SCK/I2S2_CK, SPI4_SCK/I2S4_CK, USART3_CTS, CAN2_TX, DFSDM1_CKIN1"
      },
      {
        "number": "75",
        "name": "PB14",
        "type": "bidirectional",
        "description": "GPIO Port B pin 14, 5V tolerant I/O; alternate functions include TIM1_CH2N, TIM8_CH2N, I2CFMP1_SDA, SPI2_MISO, I2S2ext_SD, USART3_RTS, DFSDM1_DATIN2, TIM12_CH1, FSMC_D0/FSMC_DA0, SDIO_D6"
      },
      {
        "number": "76",
        "name": "PB15",
        "type": "bidirectional",
        "description": "GPIO Port B pin 15, 5V tolerant I/O; alternate functions include RTC_50Hz, TIM1_CH3N, TIM8_CH3N, I2CFMP1_SCL, SPI2_MOSI/I2S2_SD, DFSDM1_CKIN2, TIM12_CH2, SDIO_CK"
      },
      {
        "number": "77",
        "name": "PD8",
        "type": "bidirectional",
        "description": "GPIO Port D pin 8, 5V tolerant I/O; alternate functions include USART3_TX, FSMC_D13/FSMC_DA13"
      },
      {
        "number": "78",
        "name": "PD9",
        "type": "bidirectional",
        "description": "GPIO Port D pin 9, 5V tolerant I/O; alternate functions include USART3_RX, FSMC_D14/FSMC_DA14"
      },
      {
        "number": "79",
        "name": "PD10",
        "type": "bidirectional",
        "description": "GPIO Port D pin 10, 5V tolerant I/O; alternate functions include USART3_CK, FSMC_D15/FSMC_DA15"
      },
      {
        "number": "80",
        "name": "PD11",
        "type": "bidirectional",
        "description": "GPIO Port D pin 11, 5V tolerant I/O; alternate functions include I2CFMP1_SMBA, USART3_CTS, QUADSPI_BK1_IO0, FSMC_A16"
      },
      {
        "number": "81",
        "name": "PD12",
        "type": "bidirectional",
        "description": "GPIO Port D pin 12, 5V tolerant I/O; alternate functions include TIM4_CH1, I2CFMP1_SCL, USART3_RTS, QUADSPI_BK1_IO1, FSMC_A17"
      },
      {
        "number": "82",
        "name": "PD13",
        "type": "bidirectional",
        "description": "GPIO Port D pin 13, 5V tolerant I/O; alternate functions include TIM4_CH2, I2CFMP1_SDA, QUADSPI_BK1_IO3, FSMC_A18"
      },
      {
        "number": "83",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground connection (return path for VDD)"
      },
      {
        "number": "84",
        "name": "VDD",
        "type": "power_in",
        "description": "Main supply voltage, 1.7 V to 3.6 V"
      },
      {
        "number": "85",
        "name": "PD14",
        "type": "bidirectional",
        "description": "GPIO Port D pin 14, 5V tolerant I/O; alternate functions include TIM4_CH3, I2CFMP1_SCL, FSMC_D0/FSMC_DA0"
      },
      {
        "number": "86",
        "name": "PD15",
        "type": "bidirectional",
        "description": "GPIO Port D pin 15, 5V tolerant I/O; alternate functions include TIM4_CH4, I2CFMP1_SDA, FSMC_D1/FSMC_DA1"
      },
      {
        "number": "87",
        "name": "PG2",
        "type": "bidirectional",
        "description": "GPIO Port G pin 2, 5V tolerant I/O; alternate function FSMC_A12"
      },
      {
        "number": "88",
        "name": "PG3",
        "type": "bidirectional",
        "description": "GPIO Port G pin 3, 5V tolerant I/O; alternate function FSMC_A13"
      },
      {
        "number": "89",
        "name": "PG4",
        "type": "bidirectional",
        "description": "GPIO Port G pin 4, 5V tolerant I/O; alternate function FSMC_A14"
      },
      {
        "number": "90",
        "name": "PG5",
        "type": "bidirectional",
        "description": "GPIO Port G pin 5, 5V tolerant I/O; alternate function FSMC_A15"
      },
      {
        "number": "91",
        "name": "PG6",
        "type": "bidirectional",
        "description": "GPIO Port G pin 6, 5V tolerant I/O; alternate function QUADSPI_BK1_NCS"
      },
      {
        "number": "92",
        "name": "PG7",
        "type": "bidirectional",
        "description": "GPIO Port G pin 7, 5V tolerant I/O; alternate function USART6_CK"
      },
      {
        "number": "93",
        "name": "PG8",
        "type": "bidirectional",
        "description": "GPIO Port G pin 8, 5V tolerant I/O; alternate function USART6_RTS"
      },
      {
        "number": "94",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground connection (return path for VDD)"
      },
      {
        "number": "95",
        "name": "VDDUSB",
        "type": "power_in",
        "description": "USB supply voltage, 4.3 V to 5.5 V; isolated from main VDD"
      },
      {
        "number": "96",
        "name": "PC6",
        "type": "bidirectional",
        "description": "GPIO Port C pin 6, 5V tolerant I/O; alternate functions include TIM3_CH1, TIM8_CH1, I2CFMP1_SCL, I2S2_MCK, DFSDM1_CKIN3, USART6_TX, FSMC_D1/FSMC_DA1, SDIO_D6"
      },
      {
        "number": "97",
        "name": "PC7",
        "type": "bidirectional",
        "description": "GPIO Port C pin 7, 5V tolerant I/O; alternate functions include TIM3_CH2, TIM8_CH2, I2CFMP1_SDA, SPI2_SCK/I2S2_CK, I2S3_MCK, USART6_RX, DFSDM1_DATIN3, SDIO_D7"
      },
      {
        "number": "98",
        "name": "PC8",
        "type": "bidirectional",
        "description": "GPIO Port C pin 8, 5V tolerant I/O; alternate functions include TIM3_CH3, TIM8_CH3, USART6_CK, QUADSPI_BK1_IO2, SDIO_D0"
      },
      {
        "number": "99",
        "name": "PC9",
        "type": "bidirectional",
        "description": "GPIO Port C pin 9, 5V tolerant I/O; alternate functions include MCO_2, TIM3_CH4, TIM8_CH4, I2C3_SDA, I2S2_CKIN, QUADSPI_BK1_IO0, SDIO_D1"
      },
      {
        "number": "100",
        "name": "PA8",
        "type": "bidirectional",
        "description": "GPIO Port A pin 8, 5V tolerant I/O; alternate functions include MCO_1, TIM1_CH1, I2C3_SCL, USART1_CK, USB_FS_SOF, SDIO_D1"
      },
      {
        "number": "101",
        "name": "PA9",
        "type": "bidirectional",
        "description": "GPIO Port A pin 9, 5V tolerant I/O; alternate functions include TIM1_CH2, I2C3_SMBA, USART1_TX, USB_FS_VBUS, SDIO_D2"
      },
      {
        "number": "102",
        "name": "PA10",
        "type": "bidirectional",
        "description": "GPIO Port A pin 10, 5V tolerant I/O; alternate functions include TIM1_CH3, SPI5_MOSI/I2S5_SD, USART1_RX, USB_FS_ID"
      },
      {
        "number": "103",
        "name": "PA11",
        "type": "bidirectional",
        "description": "GPIO Port A pin 11, 5V tolerant I/O; alternate functions include TIM1_CH4, SPI4_MISO, USART1_CTS, USART6_TX, CAN1_RX, USB_FS_DM"
      },
      {
        "number": "104",
        "name": "PA12",
        "type": "bidirectional",
        "description": "GPIO Port A pin 12, 5V tolerant I/O; alternate functions include TIM1_ETR, SPI5_MISO, USART1_RTS, USART6_RX, CAN1_TX, USB_FS_DP"
      },
      {
        "number": "105",
        "name": "PA13",
        "type": "bidirectional",
        "description": "GPIO Port A pin 13, 5V tolerant I/O; alternate function JTMS-SWDIO for JTAG/SWD debug interface"
      },
      {
        "number": "106",
        "name": "VCAP_2",
        "type": "power_in",
        "description": "Decoupling capacitor pin for internal voltage regulator, connect external capacitor to ground"
      },
      {
        "number": "107",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground connection (return path for VDD)"
      },
      {
        "number": "108",
        "name": "VDD",
        "type": "power_in",
        "description": "Main supply voltage, 1.7 V to 3.6 V"
      },
      {
        "number": "109",
        "name": "PA14",
        "type": "bidirectional",
        "description": "GPIO Port A pin 14, 5V tolerant I/O; alternate function JTCK-SWCLK for JTAG/SWD debug interface"
      },
      {
        "number": "110",
        "name": "PA15",
        "type": "bidirectional",
        "description": "GPIO Port A pin 15, 5V tolerant I/O; alternate functions include JTDI, TIM2_CH1/TIM2_ETR, SPI1_NSS/I2S1_WS, SPI3_NSS/I2S3_WS, USART1_TX"
      },
      {
        "number": "111",
        "name": "PC10",
        "type": "bidirectional",
        "description": "GPIO Port C pin 10, 5V tolerant I/O; alternate functions include SPI3_SCK/I2S3_CK, USART3_TX, QUADSPI_BK1_IO1, SDIO_D2"
      },
      {
        "number": "112",
        "name": "PC11",
        "type": "bidirectional",
        "description": "GPIO Port C pin 11, 5V tolerant I/O; alternate functions include I2S3ext_SD, SPI3_MISO, USART3_RX, QUADSPI_BK2_NCS, FSMC_D2/FSMC_DA2, SDIO_D3"
      },
      {
        "number": "113",
        "name": "PC12",
        "type": "bidirectional",
        "description": "GPIO Port C pin 12, 5V tolerant I/O; alternate functions include SPI3_MOSI/I2S3_SD, USART3_CK, FSMC_D3/FSMC_DA3, SDIO_CK"
      },
      {
        "number": "114",
        "name": "PD0",
        "type": "bidirectional",
        "description": "GPIO Port D pin 0, 5V tolerant I/O; alternate functions include CAN1_RX, FSMC_D2/FSMC_DA2"
      },
      {
        "number": "115",
        "name": "PD1",
        "type": "bidirectional",
        "description": "GPIO Port D pin 1, 5V tolerant I/O; alternate functions include CAN1_TX, FSMC_D3/FSMC_DA3"
      },
      {
        "number": "116",
        "name": "PD2",
        "type": "bidirectional",
        "description": "GPIO Port D pin 2, 5V tolerant I/O; alternate functions include TIM3_ETR, FSMC_NWE, SDIO_CMD"
      },
      {
        "number": "117",
        "name": "PD3",
        "type": "bidirectional",
        "description": "GPIO Port D pin 3, 5V tolerant I/O; alternate functions include TRACED1, SPI2_SCK/I2S2_CK, DFSDM1_DATIN0, USART2_CTS, QUADSPI_CLK, FSMC_CLK"
      },
      {
        "number": "118",
        "name": "PD4",
        "type": "bidirectional",
        "description": "GPIO Port D pin 4, 5V tolerant I/O; alternate functions include DFSDM1_CKIN0, USART2_RTS, FSMC_NOE"
      },
      {
        "number": "119",
        "name": "PD5",
        "type": "bidirectional",
        "description": "GPIO Port D pin 5, 5V tolerant I/O; alternate functions include USART2_TX, FSMC_NWE"
      },
      {
        "number": "120",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground connection (return path for VDD)"
      },
      {
        "number": "121",
        "name": "VDD",
        "type": "power_in",
        "description": "Main supply voltage, 1.7 V to 3.6 V"
      },
      {
        "number": "122",
        "name": "PD6",
        "type": "bidirectional",
        "description": "GPIO Port D pin 6, 5V tolerant I/O; alternate functions include SPI3_MOSI/I2S3_SD, DFSDM1_DATIN1, USART2_RX, FSMC_NWAIT"
      },
      {
        "number": "123",
        "name": "PD7",
        "type": "bidirectional",
        "description": "GPIO Port D pin 7, 5V tolerant I/O; alternate functions include DFSDM1_CKIN1, USART2_CK, FSMC_NE1"
      },
      {
        "number": "124",
        "name": "PG9",
        "type": "bidirectional",
        "description": "GPIO Port G pin 9, 5V tolerant I/O; alternate functions include USART6_RX, QUADSPI_BK2_IO2, FSMC_NE2"
      },
      {
        "number": "125",
        "name": "PG10",
        "type": "bidirectional",
        "description": "GPIO Port G pin 10, 5V tolerant I/O; alternate function FSMC_NE3"
      },
      {
        "number": "126",
        "name": "PG11",
        "type": "bidirectional",
        "description": "GPIO Port G pin 11, 5V tolerant I/O; alternate function CAN2_RX"
      },
      {
        "number": "127",
        "name": "PG12",
        "type": "bidirectional",
        "description": "GPIO Port G pin 12, 5V tolerant I/O; alternate functions include USART6_RTS, CAN2_TX, FSMC_NE4"
      },
      {
        "number": "128",
        "name": "PG13",
        "type": "bidirectional",
        "description": "GPIO Port G pin 13, 5V tolerant I/O; alternate functions include TRACED2, USART6_CTS, FSMC_A24"
      },
      {
        "number": "129",
        "name": "PG14",
        "type": "bidirectional",
        "description": "GPIO Port G pin 14, 5V tolerant I/O; alternate functions include TRACED3, USART6_TX, QUADSPI_BK2_IO3, FSMC_A25"
      },
      {
        "number": "130",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground connection (return path for VDD)"
      },
      {
        "number": "131",
        "name": "VDD",
        "type": "power_in",
        "description": "Main supply voltage, 1.7 V to 3.6 V"
      },
      {
        "number": "132",
        "name": "PG15",
        "type": "bidirectional",
        "description": "GPIO Port G pin 15, 5V tolerant I/O; alternate function USART6_CTS"
      },
      {
        "number": "133",
        "name": "PB3",
        "type": "bidirectional",
        "description": "GPIO Port B pin 3, 5V tolerant I/O; alternate functions include JTDO-SWO, TIM2_CH2, I2CFMP1_SDA, SPI1_SCK/I2S1_CK, SPI3_SCK/I2S3_CK, USART1_RX, I2C2_SDA"
      },
      {
        "number": "134",
        "name": "PB4",
        "type": "bidirectional",
        "description": "GPIO Port B pin 4, 5V tolerant I/O; alternate functions include JTRST, TIM3_CH1, SPI1_MISO, SPI3_MISO, I2S3ext_SD, I2C3_SDA, SDIO_D0"
      },
      {
        "number": "135",
        "name": "PB5",
        "type": "bidirectional",
        "description": "GPIO Port B pin 5, 5V tolerant I/O; alternate functions include TIM3_CH2, I2C1_SMBA, SPI1_MOSI/I2S1_SD, SPI3_MOSI/I2S3_SD, CAN2_RX, SDIO_D3"
      },
      {
        "number": "136",
        "name": "PB6",
        "type": "bidirectional",
        "description": "GPIO Port B pin 6, 5V tolerant I/O; alternate functions include TIM4_CH1, I2C1_SCL, USART1_TX, CAN2_TX, QUADSPI_BK1_NCS, SDIO_D0"
      },
      {
        "number": "137",
        "name": "PB7",
        "type": "bidirectional",
        "description": "GPIO Port B pin 7, 5V tolerant I/O; alternate functions include TIM4_CH2, I2C1_SDA, USART1_RX, FSMC_NL"
      },
      {
        "number": "138",
        "name": "BOOT0",
        "type": "input",
        "description": "Dedicated boot pin, 5V tolerant input; selects boot source mode; internal pull-down; VPP for JTAG programming"
      },
      {
        "number": "139",
        "name": "PB8",
        "type": "bidirectional",
        "description": "GPIO Port B pin 8, 5V tolerant I/O; alternate functions include TIM4_CH3, TIM10_CH1, I2C1_SCL, SPI5_MOSI/I2S5_SD, CAN1_RX, I2C3_SDA, SDIO_D4"
      },
      {
        "number": "140",
        "name": "PB9",
        "type": "bidirectional",
        "description": "GPIO Port B pin 9, 5V tolerant I/O; alternate functions include TIM4_CH4, TIM11_CH1, I2C1_SDA, SPI2_NSS/I2S2_WS, CAN1_TX, I2C2_SDA, SDIO_D5"
      },
      {
        "number": "141",
        "name": "PE0",
        "type": "bidirectional",
        "description": "GPIO Port E pin 0, 5V tolerant I/O; alternate functions include TIM4_ETR, FSMC_NBL0"
      },
      {
        "number": "142",
        "name": "PE1",
        "type": "bidirectional",
        "description": "GPIO Port E pin 1, 5V tolerant I/O; alternate function FSMC_NBL1"
      },
      {
        "number": "143",
        "name": "PDR_ON",
        "type": "input",
        "description": "Power down reset enable input, 5V tolerant; active high to enable internal power down reset"
      },
      {
        "number": "144",
        "name": "VDD",
        "type": "power_in",
        "description": "Main supply voltage, 1.7 V 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-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: PC13, PC14, PC15 have power switch limitations: 3mA max source/sink current, max speed 2MHz with 30p; BOOT0 (pin 138) must be correctly configured at power-up to select boot source; affects program exec; VCAP_1 and VCAP_2 (pins 71, 106) require external capacitors (typically 1µF) connected to ground for",
          "91/144 pins cited to the wrong page (name found elsewhere): ['45:PC5@p51', '46:PB0@p51', '47:PB1@p51', '48:PB2@p51']"
        ],
        "pages_sent": 76,
        "cost_usd": 0.6537,
        "at": "2026-10-03T06:08:33"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588922996173627392",
        "pages": 201,
        "sha256": "d640babe702a369d",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 144,
        "described": 144,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  }
}