STM32H742ZIT6

{
  "slug": "stm32h742zit6",
  "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",
    "stm32h742zit6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm32h742zit6.kicad_sym",
    "stm32h742zit6.kicad_mod",
    "stm32h742zit6.glb",
    "stm32h742zit6.step",
    "stm32h742zit6.lbr",
    "docs/hero.png",
    "docs/stm32h742zit6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "STM32H742ZIT6",
    "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/8588907784653426688",
    "parts": {
      "symbol": "stm32h742zit6.kicad_sym",
      "footprint": "stm32h742zit6.kicad_mod",
      "model_3d": "stm32h742zit6-etched.glb",
      "model_3d_plain": "stm32h742zit6.glb",
      "model_3d_step": "stm32h742zit6-etched.step",
      "model_3d_step_plain": "stm32h742zit6.step",
      "lbr": "stm32h742zit6.lbr"
    },
    "distributor_links": {
      "lcsc": "C730178",
      "digikey": "497-STM32H742ZIT6-ND",
      "mouser": "511-STM32H742ZIT6"
    },
    "distributor_check": {
      "checked_at": "2026-10-01T05:52:48Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-STM32H742ZIT6-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32H742ZIT6",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PE2",
        "type": "output",
        "description": "GPIO port E pin 2; configurable for TRACECLK, SAI1 audio interface, SPI4 clock, FMC address line, or QUADSPI interface functions."
      },
      {
        "number": "2",
        "name": "PE3",
        "type": "output",
        "description": "GPIO port E pin 3; configurable for TRACED0, TIM15 break-in, SAI1 serial audio interface, or FMC functions."
      },
      {
        "number": "3",
        "name": "PE4",
        "type": "output",
        "description": "GPIO port E pin 4; configurable for TRACED1, SAI1 digital interface, DFSDM modulator input, TIM15 channel 1N, or DCMI camera interface."
      },
      {
        "number": "4",
        "name": "PE5",
        "type": "output",
        "description": "GPIO port E pin 5; configurable for TRACED2, SAI1 clock, DFSDM clock input, TIM15 channel 1, or FMC address line."
      },
      {
        "number": "5",
        "name": "PE6",
        "type": "output",
        "description": "GPIO port E pin 6; configurable for TRACED3, TIM1 break-in with comparator, SAI1 data, TIM15 channel 2, or DCMI interface."
      },
      {
        "number": "6",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup domain power supply input for RTC, backup SRAM, and backup registers; accepts 1.2 to 3.6 V."
      },
      {
        "number": "7",
        "name": "PC13",
        "type": "output",
        "description": "GPIO port C pin 13; general-purpose I/O with RTC tamper input and wake-up capability."
      },
      {
        "number": "8",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "GPIO port C pin 14 / 32 kHz oscillator input; default function is LSE crystal oscillator input, configurable as GPIO."
      },
      {
        "number": "9",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "GPIO port C pin 15 / 32 kHz oscillator output; default function is LSE crystal oscillator output, configurable as GPIO."
      },
      {
        "number": "10",
        "name": "PF0",
        "type": "output",
        "description": "GPIO port F pin 0; configurable for I2C2 SDA or FMC address line 0."
      },
      {
        "number": "11",
        "name": "PF1",
        "type": "output",
        "description": "GPIO port F pin 1; configurable for I2C2 SCL or FMC address line 1."
      },
      {
        "number": "12",
        "name": "PF2",
        "type": "output",
        "description": "GPIO port F pin 2; configurable for I2C2 SMBA or FMC address line 2."
      },
      {
        "number": "13",
        "name": "PF3",
        "type": "output",
        "description": "GPIO port F pin 3; configurable for FMC address line 3 or analog input to ADC3 channel 5."
      },
      {
        "number": "14",
        "name": "PF4",
        "type": "output",
        "description": "GPIO port F pin 4; configurable for FMC address line 4 or analog input to ADC3 channels 5N/9."
      },
      {
        "number": "15",
        "name": "PF5",
        "type": "output",
        "description": "GPIO port F pin 5; configurable for FMC address line 5 or analog input to ADC3 channel 4."
      },
      {
        "number": "16",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for digital logic and I/O blocks; must be connected to external ground plane."
      },
      {
        "number": "17",
        "name": "VDD",
        "type": "power_in",
        "description": "Main power supply input for digital circuitry; accepts 1.62 to 3.6 V and must be decoupled with 100 nF + 4.7 \u00b5F capacitors."
      },
      {
        "number": "18",
        "name": "PF6",
        "type": "output",
        "description": "GPIO port F pin 6; configurable for TIM16 channel 1, SPI5 NSS, SAI1 serial audio, UART7, or QUADSPI interface; analog input ADC3."
      },
      {
        "number": "19",
        "name": "PF7",
        "type": "output",
        "description": "GPIO port F pin 7; configurable for TIM17 channel 1, SPI5 clock, SAI1 audio MCLK, UART7 TX, or QUADSPI; analog input ADC3."
      },
      {
        "number": "20",
        "name": "PF8",
        "type": "output",
        "description": "GPIO port F pin 8; configurable for TIM16 channel 1N, SPI5 MISO, SAI1 clock, UART7 RTS, or QUADSPI; analog input ADC3."
      },
      {
        "number": "21",
        "name": "PF9",
        "type": "output",
        "description": "GPIO port F pin 9; configurable for TIM17 channel 1N, SPI5 MOSI, SAI1 frame sync, UART7 CTS, or QUADSPI; analog input ADC3."
      },
      {
        "number": "22",
        "name": "PF10",
        "type": "output",
        "description": "GPIO port F pin 10; configurable for TIM16 break-in, SAI1 data, QUADSPI clock, DCMI data, or LCD control; analog input ADC3."
      },
      {
        "number": "23",
        "name": "PH0-OSC_IN",
        "type": "bidirectional",
        "description": "GPIO port H pin 0 / HSE oscillator input; default function is main oscillator input (4-48 MHz), configurable as GPIO."
      },
      {
        "number": "24",
        "name": "PH1-OSC_OUT",
        "type": "bidirectional",
        "description": "GPIO port H pin 1 / HSE oscillator output; default function is main oscillator output, configurable as GPIO."
      },
      {
        "number": "25",
        "name": "NRST",
        "type": "input",
        "description": "System reset input with internal pull-up and Schmitt trigger; assert low for minimum 1 \u00b5s to reset device."
      },
      {
        "number": "26",
        "name": "PC0",
        "type": "output",
        "description": "GPIO port C pin 0; configurable for DFSDM clock, SAI2 frame sync, OTG HS ULPI, FMC SDRAM WE, or LCD; analog input ADC1/2/3."
      },
      {
        "number": "27",
        "name": "PC1",
        "type": "output",
        "description": "GPIO port C pin 1; configurable for SAI1 data, DFSDM input, SPI2/I2S2, SDMMC2 clock, ETH MDC, or LCD; analog input ADC1/2/3."
      },
      {
        "number": "28",
        "name": "PC2_C",
        "type": "output",
        "description": "Analog-only input pad for ADC3 channels 1N/0 with internal analog switch to PC2; not available in GPIO mode."
      },
      {
        "number": "29",
        "name": "PC3_C",
        "type": "output",
        "description": "Analog-only input pad for ADC3 channel 1 with internal analog switch to PC3; not available in GPIO mode."
      },
      {
        "number": "30",
        "name": "VDD",
        "type": "power_in",
        "description": "Main power supply input for digital circuitry; accepts 1.62 to 3.6 V and must be decoupled with 100 nF + 4.7 \u00b5F capacitors."
      },
      {
        "number": "31",
        "name": "VSSA",
        "type": "power_in",
        "description": "Ground reference for analog circuits; must be connected to VSS external ground plane with star connection."
      },
      {
        "number": "32",
        "name": "VREF+",
        "type": "power_in",
        "description": "Analog reference voltage input for ADC/DAC/COMP; must be decoupled with 100 nF capacitor and equals VDDA or external source."
      },
      {
        "number": "33",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog power supply; accepts 1.62 to 3.6 V for ADC operation and must be decoupled with 100 nF + 1 \u00b5F capacitors."
      },
      {
        "number": "34",
        "name": "PA0",
        "type": "bidirectional",
        "description": "GPIO port A pin 0; configurable for TIM2/TIM5 channels, USART2 CTS, UART4/SDMMC2, SAI2, ETH MII, or LCD; analog input ADC1."
      },
      {
        "number": "35",
        "name": "PA1",
        "type": "bidirectional",
        "description": "GPIO port A pin 1; configurable for TIM2/TIM5 channels, USART2 RTS, UART4, QUADSPI, SAI2 MCLK, ETH RMII, or LCD; analog input ADC1."
      },
      {
        "number": "36",
        "name": "PA2",
        "type": "bidirectional",
        "description": "GPIO port A pin 2; configurable for TIM2 channel 3, USART2 TX, SAI2 clock, ETH MDIO/MDIOS, or LCD; analog input ADC1/2."
      },
      {
        "number": "37",
        "name": "PA3",
        "type": "bidirectional",
        "description": "GPIO port A pin 3; configurable for TIM2 channel 4, USART2 RX, LCD, OTG HS ULPI, or ETH MII; analog input ADC1/2."
      },
      {
        "number": "38",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for digital logic and I/O blocks; must be connected to external ground plane."
      },
      {
        "number": "39",
        "name": "VDD",
        "type": "power_in",
        "description": "Main power supply input for digital circuitry; accepts 1.62 to 3.6 V and must be decoupled with 100 nF + 4.7 \u00b5F capacitors."
      },
      {
        "number": "40",
        "name": "PA4",
        "type": "bidirectional",
        "description": "GPIO port A pin 4; configurable for SPI1/SPI3 NSS, USART2 clock, DCMI HSYNC, LCD VSYNC; analog input ADC1/2 channel 18, DAC1 output 1."
      },
      {
        "number": "41",
        "name": "PA5",
        "type": "bidirectional",
        "description": "GPIO port A pin 5; configurable for TIM2 ETR, SPI1 clock, OTG HS ULPI clock, LCD; analog input ADC1/2, DAC1 output 2; no positive injection."
      },
      {
        "number": "42",
        "name": "PA6",
        "type": "bidirectional",
        "description": "GPIO port A pin 6; configurable for TIM1/TIM3/TIM8/TIM13 channels, SPI1 MISO, MDIOS, DCMI PIXCLK, or LCD; analog input ADC1/2."
      },
      {
        "number": "43",
        "name": "PA7",
        "type": "bidirectional",
        "description": "GPIO port A pin 7; configurable for TIM1/TIM3/TIM8/TIM14 channels, SPI1 MOSI, ETH MII/RMII CRS, FMC SDNWE; analog input ADC1/2, OPAMP1 inverting input."
      },
      {
        "number": "44",
        "name": "PC4",
        "type": "bidirectional",
        "description": "GPIO port C pin 4; configurable for DFSDM clock, I2S1 MCLK, SPDIFRX, ETH MII/RMII RXD0, FMC SDNE0; analog input ADC1/2, OPAMP1 output."
      },
      {
        "number": "45",
        "name": "PC5",
        "type": "bidirectional",
        "description": "GPIO port C pin 5; configurable for SAI1 data, DFSDM data, SPDIFRX, SAI4, ETH MII/RMII RXD1, FMC SDCKE0; analog input ADC1/2, OPAMP1 inverting input."
      },
      {
        "number": "46",
        "name": "PB0",
        "type": "bidirectional",
        "description": "GPIO port B pin 0; configurable for TIM1/TIM3/TIM8 channels, DFSDM output, LCD, OTG HS ULPI, or ETH MII; analog input ADC1/2, OPAMP1 non-inverting input."
      },
      {
        "number": "47",
        "name": "PB1",
        "type": "bidirectional",
        "description": "GPIO port B pin 1; configurable for TIM1/TIM3/TIM8 channels, DFSDM, LCD, OTG HS ULPI, or ETH MII; analog input ADC1/2, OPAMP1 comparator input."
      },
      {
        "number": "48",
        "name": "PB2",
        "type": "bidirectional",
        "description": "GPIO port B pin 2; configurable for RTC output, SAI1 data, DFSDM clock, SPI3/I2S3 MOSI, QUADSPI clock, or LCD; OPAMP1 non-inverting input."
      },
      {
        "number": "49",
        "name": "PF11",
        "type": "bidirectional",
        "description": "GPIO port F pin 11; configurable for SPI5 MOSI, SAI2 data, FMC SDNRAS, or DCMI data line 12; analog input ADC1."
      },
      {
        "number": "50",
        "name": "PF12",
        "type": "bidirectional",
        "description": "GPIO port F pin 12; configurable for FMC address line 6; analog input ADC1 channels 2N/6."
      },
      {
        "number": "51",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for digital logic and I/O blocks; must be connected to external ground plane."
      },
      {
        "number": "52",
        "name": "VDD",
        "type": "power_in",
        "description": "Main power supply input for digital circuitry; accepts 1.62 to 3.6 V and must be decoupled with 100 nF + 4.7 \u00b5F capacitors."
      },
      {
        "number": "53",
        "name": "PF13",
        "type": "bidirectional",
        "description": "GPIO port F pin 13; configurable for DFSDM data input, I2C4 SMBA, or FMC address line 7; analog input ADC2."
      },
      {
        "number": "54",
        "name": "PF14",
        "type": "bidirectional",
        "description": "GPIO port F pin 14; configurable for DFSDM clock, I2C4 SCL, or FMC address line 8; analog input ADC2 channels 2N/6."
      },
      {
        "number": "55",
        "name": "PF15",
        "type": "bidirectional",
        "description": "GPIO port F pin 15; configurable for I2C4 SDA or FMC address line 9; high-speed low-voltage I/O."
      },
      {
        "number": "56",
        "name": "PG0",
        "type": "bidirectional",
        "description": "GPIO port G pin 0; configurable for FMC address line 10; high-speed low-voltage I/O."
      },
      {
        "number": "57",
        "name": "PG1",
        "type": "bidirectional",
        "description": "GPIO port G pin 1; configurable for FMC address line 11; analog input OPAMP2 non-inverting input; 3.3 V tolerant."
      },
      {
        "number": "58",
        "name": "PE7",
        "type": "bidirectional",
        "description": "GPIO port E pin 7; configurable for TIM1 ETR, DFSDM data, UART7 RX, QUADSPI, or FMC data; OPAMP2 output, COMP2 inverting input."
      },
      {
        "number": "59",
        "name": "PE8",
        "type": "bidirectional",
        "description": "GPIO port E pin 8; configurable for TIM1 channel 1N, DFSDM clock, UART7 TX, QUADSPI, or FMC data; OPAMP2 inverting input, COMP2 output."
      },
      {
        "number": "60",
        "name": "PE9",
        "type": "bidirectional",
        "description": "GPIO port E pin 9; configurable for TIM1 channel 1, DFSDM output, UART7 RTS, QUADSPI, or FMC data; OPAMP2 non-inverting input."
      },
      {
        "number": "61",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for digital logic and I/O blocks; must be connected to external ground plane."
      },
      {
        "number": "62",
        "name": "VDD",
        "type": "power_in",
        "description": "Main power supply input for digital circuitry; accepts 1.62 to 3.6 V and must be decoupled with 100 nF + 4.7 \u00b5F capacitors."
      },
      {
        "number": "63",
        "name": "PE10",
        "type": "bidirectional",
        "description": "GPIO port E pin 10; configurable for TIM1 channel 2N, DFSDM data, UART7 CTS, QUADSPI, or FMC data; COMP2 inverting input."
      },
      {
        "number": "64",
        "name": "PE11",
        "type": "bidirectional",
        "description": "GPIO port E pin 11; configurable for TIM1 channel 2, DFSDM clock, SPI4 NSS, SAI2, FMC, or LCD; COMP2 non-inverting input."
      },
      {
        "number": "65",
        "name": "PE12",
        "type": "bidirectional",
        "description": "GPIO port E pin 12; configurable for TIM1 channel 3N, DFSDM data, SPI4 clock, SAI2, FMC, or LCD B4; high-speed low-voltage I/O."
      },
      {
        "number": "66",
        "name": "PE13",
        "type": "bidirectional",
        "description": "GPIO port E pin 13; configurable for TIM1 channel 3, DFSDM clock, SPI4 MISO, SAI2, FMC, or LCD DE; COMP2 output; high-speed."
      },
      {
        "number": "67",
        "name": "PE14",
        "type": "bidirectional",
        "description": "GPIO port E pin 14; configurable for TIM1 channel 4, SPI4 MOSI, SAI2 MCLK, FMC, or LCD clock; high-speed low-voltage I/O."
      },
      {
        "number": "68",
        "name": "PE15",
        "type": "bidirectional",
        "description": "GPIO port E pin 15; configurable for TIM1 break-in with comparator, FMC data, TIM1 comparator output, or LCD R7; high-speed I/O."
      },
      {
        "number": "69",
        "name": "PB10",
        "type": "bidirectional",
        "description": "GPIO port B pin 10; configurable for TIM2 channel 3, I2C2 SCL, SPI2/I2S2 clock, USART3 TX, QUADSPI, or LCD G4; 5 V tolerant with FM+ I2C."
      },
      {
        "number": "70",
        "name": "PB11",
        "type": "bidirectional",
        "description": "GPIO port B pin 11; configurable for TIM2 channel 4, I2C2 SDA, DFSDM, USART3 RX, OTG HS ULPI, or LCD G5; 5 V tolerant with FM+ I2C."
      },
      {
        "number": "71",
        "name": "VCAP",
        "type": "passive",
        "description": "Main regulator output stabilization capacitor pin; connect two 2.2 \u00b5F capacitors with ESR < 100 m\u03a9 to this pin and VSS."
      },
      {
        "number": "72",
        "name": "VDD",
        "type": "power_in",
        "description": "Main power supply input for digital circuitry; accepts 1.62 to 3.6 V and must be decoupled with 100 nF + 4.7 \u00b5F capacitors."
      },
      {
        "number": "73",
        "name": "PB12",
        "type": "bidirectional",
        "description": "GPIO port B pin 12; configurable for TIM1 break-in, I2C2 SMBA, SPI2/I2S2 NSS, USART3 clock, FDCAN2 RX, OTG HS ULPI, or ETH MII TXD0; USB tolerant."
      },
      {
        "number": "74",
        "name": "PB13",
        "type": "bidirectional",
        "description": "GPIO port B pin 13; configurable for TIM1 channel 1N, LPTIM2 output, SPI2/I2S2 clock, USART3 CTS, FDCAN2 TX, OTG HS ULPI, or ETH MII; USB VBUS."
      },
      {
        "number": "75",
        "name": "PB14",
        "type": "bidirectional",
        "description": "GPIO port B pin 14; configurable for TIM1/TIM12/TIM8 channels, USART1 TX, SPI2/I2S2 MISO, USART3 RTS, UART4, SDMMC2, or OTG HS DM; USB tolerant."
      },
      {
        "number": "76",
        "name": "PB15",
        "type": "bidirectional",
        "description": "GPIO port B pin 15; configurable for RTC reference, TIM1/TIM12/TIM8 channels, USART1 RX, SPI2/I2S2 MOSI, UART4 CTS, SDMMC2, or OTG HS DP; USB."
      },
      {
        "number": "77",
        "name": "PD8",
        "type": "bidirectional",
        "description": "GPIO port D pin 8; configurable for DFSDM clock, SAI3 clock, USART3 TX, SPDIFRX, or FMC data; high-speed low-voltage I/O."
      },
      {
        "number": "78",
        "name": "PD9",
        "type": "bidirectional",
        "description": "GPIO port D pin 9; configurable for DFSDM data, SAI3 data, USART3 RX, FDCAN2 RXFD mode, or FMC data; high-speed I/O."
      },
      {
        "number": "79",
        "name": "PD10",
        "type": "bidirectional",
        "description": "GPIO port D pin 10; configurable for DFSDM output, SAI3 frame sync, USART3 clock, FDCAN2 TXFD mode, FMC data, or LCD B3; high-speed."
      },
      {
        "number": "80",
        "name": "PD11",
        "type": "bidirectional",
        "description": "GPIO port D pin 11; configurable for LPTIM2 input, I2C4 SMBA, USART3 CTS, QUADSPI, SAI2, or FMC address line A16; high-speed I/O."
      },
      {
        "number": "81",
        "name": "PD12",
        "type": "bidirectional",
        "description": "GPIO port D pin 12; configurable for LPTIM1 input, TIM4 channel 1, LPTIM2 input, I2C4 SCL, USART3 RTS, QUADSPI, or SAI2; high-speed I/O."
      },
      {
        "number": "82",
        "name": "PD13",
        "type": "bidirectional",
        "description": "GPIO port D pin 13; configurable for LPTIM1 output, TIM4 channel 2, I2C4 SDA, QUADSPI BK1 IO3, or SAI2 clock; high-speed I/O."
      },
      {
        "number": "83",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for digital logic and I/O blocks; must be connected to external ground plane."
      },
      {
        "number": "84",
        "name": "VDD",
        "type": "power_in",
        "description": "Main power supply input for digital circuitry; accepts 1.62 to 3.6 V and must be decoupled with 100 nF + 4.7 \u00b5F capacitors."
      },
      {
        "number": "85",
        "name": "PD14",
        "type": "bidirectional",
        "description": "GPIO port D pin 14; configurable for TIM4 channel 3, SAI3 MCLK, UART8 CTS, or FMC data D0; high-speed I/O."
      },
      {
        "number": "86",
        "name": "PD15",
        "type": "bidirectional",
        "description": "GPIO port D pin 15; configurable for TIM4 channel 4, SAI3 MCLK, UART8 RTS, or FMC data D1; high-speed I/O."
      },
      {
        "number": "87",
        "name": "PG2",
        "type": "bidirectional",
        "description": "GPIO port G pin 2; configurable for TIM8 break-in with comparator or FMC address line A12; high-speed low-voltage I/O."
      },
      {
        "number": "88",
        "name": "PG3",
        "type": "bidirectional",
        "description": "GPIO port G pin 3; configurable for TIM8 break-in 2 with comparator or FMC address line A13; high-speed I/O."
      },
      {
        "number": "89",
        "name": "PG4",
        "type": "bidirectional",
        "description": "GPIO port G pin 4; configurable for TIM1 break-in 2 with comparator or FMC address line A14/BA0; high-speed I/O."
      },
      {
        "number": "90",
        "name": "PG5",
        "type": "bidirectional",
        "description": "GPIO port G pin 5; configurable for TIM1 ETR or FMC address line A15/BA1; high-speed I/O."
      },
      {
        "number": "91",
        "name": "PG6",
        "type": "bidirectional",
        "description": "GPIO port G pin 6; configurable for TIM17 break-in, HRTIM channel E1, QUADSPI, FMC NE3, DCMI, or LCD R7; high-speed I/O."
      },
      {
        "number": "92",
        "name": "PG7",
        "type": "bidirectional",
        "description": "GPIO port G pin 7; configurable for HRTIM channel E2, SAI1 MCLK, USART6 clock, FMC INT, DCMI, or LCD clock; high-speed I/O."
      },
      {
        "number": "93",
        "name": "PG8",
        "type": "bidirectional",
        "description": "GPIO port G pin 8; configurable for TIM8 ETR, SPI6 NSS, USART6 RTS, SPDIFRX, ETH PPS, FMC SDCLK, or LCD G7; high-speed I/O."
      },
      {
        "number": "94",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for digital logic and I/O blocks; must be connected to external ground plane."
      },
      {
        "number": "95",
        "name": "VDD33USB",
        "type": "power_in",
        "description": "3.3 V USB power supply for OTG_HS internal PHY and comparators; accepts 3.0 to 3.6 V with 100 nF decoupling."
      },
      {
        "number": "96",
        "name": "PC6",
        "type": "bidirectional",
        "description": "GPIO port C pin 6; configurable for HRTIM channel A1, TIM3 channel 1, TIM8 channel 1, I2S2 MCLK, USART6 TX, SDMMC1, FMC NWAIT, or DCMI; high-speed I/O."
      },
      {
        "number": "97",
        "name": "PC7",
        "type": "bidirectional",
        "description": "GPIO port C pin 7; configurable for HRTIM channel A2, TIM3/TIM8 channels, I2S3 MCLK, USART6 RX, SDMMC1, FMC NE1, SWPMI TX, or DCMI; high-speed I/O."
      },
      {
        "number": "98",
        "name": "PC8",
        "type": "bidirectional",
        "description": "GPIO port C pin 8; configurable for TRACED1, HRTIM channel B1, TIM3/TIM8 channels, USART6 clock, FMC NE2/NCE, SWPMI RX, or SDMMC1; high-speed I/O."
      },
      {
        "number": "99",
        "name": "PC9",
        "type": "bidirectional",
        "description": "GPIO port C pin 9; configurable for MCO2, TIM3/TIM8 channels, I2C3 SDA, I2S clock input, UART5 CTS, QUADSPI, or LCD B2; high-speed I/O."
      },
      {
        "number": "100",
        "name": "PA8",
        "type": "bidirectional",
        "description": "GPIO port A pin 8; configurable for MCO1, TIM1 channel 1, HRTIM channel B2, TIM8 break-in 2, I2C3 SCL, USART1 clock, OTG FS SOF, UART7, or LCD; 5 V tolerant."
      },
      {
        "number": "101",
        "name": "PA9",
        "type": "bidirectional",
        "description": "GPIO port A pin 9; configurable for TIM1 channel 2, HRTIM channel C1, LPUART1 TX, I2C3 SMBA, SPI2/I2S2 clock, USART1 TX, FDCAN1, or DCMI; USB VBUS; 5 V tolerant."
      },
      {
        "number": "102",
        "name": "PA10",
        "type": "bidirectional",
        "description": "GPIO port A pin 10; configurable for TIM1 channel 3, HRTIM channel C2, LPUART1 RX, USART1 RX, FDCAN1 TXFD mode, OTG FS ID, MDIOS, or LCD; USB tolerant."
      },
      {
        "number": "103",
        "name": "PA11",
        "type": "bidirectional",
        "description": "GPIO port A pin 11; configurable for TIM1 channel 4, HRTIM channel D1, LPUART1 CTS, SPI2/I2S2 NSS, UART4 RX, USART1 CTS, FDCAN1 RX, or OTG FS DM; USB."
      },
      {
        "number": "104",
        "name": "PA12",
        "type": "bidirectional",
        "description": "GPIO port A pin 12; configurable for TIM1 ETR, HRTIM channel D2, LPUART1 RTS, SPI2/I2S2 clock, UART4 TX, USART1 RTS, SAI2, FDCAN1 TX, or OTG FS DP; USB."
      },
      {
        "number": "105",
        "name": "PA13",
        "type": "input",
        "description": "JTAG TMS / SWD DIO pin; JTAG/SWD debug interface input for microcontroller programming and debugging; pull-up configured."
      },
      {
        "number": "106",
        "name": "VCAP",
        "type": "passive",
        "description": "Main regulator output stabilization capacitor pin; connect two 2.2 \u00b5F capacitors with ESR < 100 m\u03a9 to this pin and VSS."
      },
      {
        "number": "107",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for digital logic and I/O blocks; must be connected to external ground plane."
      },
      {
        "number": "108",
        "name": "VDD",
        "type": "power_in",
        "description": "Main power supply input for digital circuitry; accepts 1.62 to 3.6 V and must be decoupled with 100 nF + 4.7 \u00b5F capacitors."
      },
      {
        "number": "109",
        "name": "PA14",
        "type": "input",
        "description": "JTAG TCK / SWD clock pin; JTAG/SWD debug interface clock input for microcontroller programming; pull-up configured."
      },
      {
        "number": "110",
        "name": "PA15",
        "type": "input",
        "description": "JTAG TDI pin; configurable for TIM2 ETR, HRTIM filter 1, CEC, SPI1/SPI3/SPI6 NSS, UART4/UART7, or GPIO; JTAG debug function."
      },
      {
        "number": "111",
        "name": "PC10",
        "type": "bidirectional",
        "description": "GPIO port C pin 10; configurable for HRTIM EEV1, DFSDM clock, SPI3/I2S3 clock, USART3/UART4 TX, QUADSPI, SDMMC1 D2, or DCMI; high-speed I/O."
      },
      {
        "number": "112",
        "name": "PC11",
        "type": "bidirectional",
        "description": "GPIO port C pin 11; configurable for HRTIM filter 2, DFSDM data, SPI3/I2S3 MISO, USART3/UART4 RX, QUADSPI BK2 NCS, SDMMC1 D3, or DCMI; high-speed."
      },
      {
        "number": "113",
        "name": "PC12",
        "type": "bidirectional",
        "description": "GPIO port C pin 12; configurable for TRACED3, HRTIM EEV2, SPI3/I2S3 MOSI, USART3 clock, UART5 TX, SDMMC1 clock, or DCMI D9; high-speed I/O."
      },
      {
        "number": "114",
        "name": "PD0",
        "type": "bidirectional",
        "description": "GPIO port D pin 0; configurable for DFSDM clock, SAI3 clock, UART4 RX, FDCAN1 RX, or FMC data D2; high-speed I/O."
      },
      {
        "number": "115",
        "name": "PD1",
        "type": "bidirectional",
        "description": "GPIO port D pin 1; configurable for DFSDM data, SAI3 data, UART4 TX, FDCAN1 TX, or FMC data D3; high-speed I/O."
      },
      {
        "number": "116",
        "name": "PD2",
        "type": "bidirectional",
        "description": "GPIO port D pin 2; configurable for TRACED2, TIM3 ETR, UART5 RX, SDMMC1 command, DCMI D11; high-speed I/O."
      },
      {
        "number": "117",
        "name": "PD3",
        "type": "bidirectional",
        "description": "GPIO port D pin 3; configurable for DFSDM output, SPI2/I2S2 clock, USART2 CTS, FMC clock, or DCMI D5 LCD G7; high-speed I/O."
      },
      {
        "number": "118",
        "name": "PD4",
        "type": "bidirectional",
        "description": "GPIO port D pin 4; configurable for HRTIM filter 3, SAI3 frame sync, USART2 RTS, FDCAN1 RXFD mode, or FMC NOE; high-speed I/O."
      },
      {
        "number": "119",
        "name": "PD5",
        "type": "bidirectional",
        "description": "GPIO port D pin 5; configurable for HRTIM EEV3, USART2 TX, FDCAN1 TXFD mode, or FMC NWE; high-speed I/O."
      },
      {
        "number": "120",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for digital logic and I/O blocks; must be connected to external ground plane."
      },
      {
        "number": "121",
        "name": "VDD",
        "type": "power_in",
        "description": "Main power supply input for digital circuitry; accepts 1.62 to 3.6 V and must be decoupled with 100 nF + 4.7 \u00b5F capacitors."
      },
      {
        "number": "122",
        "name": "PD6",
        "type": "bidirectional",
        "description": "GPIO port D pin 6; configurable for SAI1 data, DFSDM, SPI3/I2S3 MOSI, SAI1 data, USART2 RX, SAI4, FDCAN2 RXFD, SDMMC2 clock, or DCMI; high-speed."
      },
      {
        "number": "123",
        "name": "PD7",
        "type": "bidirectional",
        "description": "GPIO port D pin 7; configurable for DFSDM data, SPI1/I2S1 MOSI, USART2 clock, SPDIFRX, or SDMMC2 command FMC NE1; high-speed I/O."
      },
      {
        "number": "124",
        "name": "PG9",
        "type": "bidirectional",
        "description": "GPIO port G pin 9; configurable for SPI1/I2S1 MISO, USART6 RX, SPDIFRX, QUADSPI BK2 IO2, SAI2, FMC NE2/NCE, or DCMI VSYNC; high-speed."
      },
      {
        "number": "125",
        "name": "PG10",
        "type": "bidirectional",
        "description": "GPIO port G pin 10; configurable for HRTIM filter 5, SPI1/I2S1 NSS, LCD G3, SAI2 data, FMC NE3, DCMI D2, or LCD B2; high-speed I/O."
      },
      {
        "number": "126",
        "name": "PG11",
        "type": "bidirectional",
        "description": "GPIO port G pin 11; configurable for LPTIM1 input, HRTIM EEV4, SPI1/I2S1 clock, SPDIFRX, SDMMC2 D2, ETH MII TX, DCMI D3, or LCD B3; high-speed."
      },
      {
        "number": "127",
        "name": "PG12",
        "type": "bidirectional",
        "description": "GPIO port G pin 12; configurable for LPTIM1 input, HRTIM EEV5, SPI6 MISO, USART6 RTS, SPDIFRX, LCD B4, ETH MII TXD1, FMC NE4, or LCD B1; high-speed."
      },
      {
        "number": "128",
        "name": "PG13",
        "type": "bidirectional",
        "description": "GPIO port G pin 13; configurable for TRACED0, LPTIM1 output, HRTIM EEV10, SPI6 clock, USART6 CTS, ETH MII TXD0, FMC A24, or LCD R0; high-speed."
      },
      {
        "number": "129",
        "name": "PG14",
        "type": "bidirectional",
        "description": "GPIO port G pin 14; configurable for TRACED1, LPTIM1 ETR, SPI6 MOSI, USART6 TX, QUADSPI BK2 IO3, ETH MII TXD1, FMC A25, or LCD B0; high-speed."
      },
      {
        "number": "130",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for digital logic and I/O blocks; must be connected to external ground plane."
      },
      {
        "number": "131",
        "name": "VDD",
        "type": "power_in",
        "description": "Main power supply input for digital circuitry; accepts 1.62 to 3.6 V and must be decoupled with 100 nF + 4.7 \u00b5F capacitors."
      },
      {
        "number": "132",
        "name": "PG15",
        "type": "bidirectional",
        "description": "GPIO port G pin 15; configurable for USART6 CTS, FMC SDNCAS, DCMI D13; high-speed I/O."
      },
      {
        "number": "133",
        "name": "PB3",
        "type": "output",
        "description": "JTAG TDO / SWD trace output pin; configurable for TIM2 channel 2, HRTIM filter 4, SPI1/I2S1 clock, SPI3/I2S3 clock, SPI6, SDMMC2 D2, CRS SYNC, UART7."
      },
      {
        "number": "134",
        "name": "PB4",
        "type": "output",
        "description": "NJTRST pin; JTAG nTRST (negative reset) configurable for TIM16 break, TIM3 channel 1, HRTIM EEV6, SPI1/I2S1/SPI3/SPI6 MISO, SDMMC2 D3, or UART7."
      },
      {
        "number": "135",
        "name": "PB5",
        "type": "bidirectional",
        "description": "GPIO port B pin 5; configurable for TIM17 break, TIM3 channel 2, HRTIM EEV7, I2C1/I2C4 SMBA, SPI1/I2S1/SPI3/SPI6 MOSI, FDCAN2 RX, OTG HS ULPI, FMC, or DCMI."
      },
      {
        "number": "136",
        "name": "PB6",
        "type": "bidirectional",
        "description": "GPIO port B pin 6; configurable for TIM16 channel 1N, TIM4 channel 1, HRTIM EEV8, I2C1 SCL, CEC, I2C4 SCL, USART1 TX, LPUART1 TX, FDCAN2 TX, QUADSPI, or DFSDM; 5 V tolerant."
      },
      {
        "number": "137",
        "name": "PB7",
        "type": "bidirectional",
        "description": "GPIO port B pin 7; configurable for TIM17 channel 1N, TIM4 channel 2, HRTIM EEV9, I2C1 SDA, I2C4 SDA, USART1 RX, LPUART1 RX, FDCAN2 TXFD, DFSDM, or FMC NL; 5 V tolerant."
      },
      {
        "number": "138",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot pin for selecting boot mode; accepts 0-9 V input; selects between main Flash boot (low) or system memory boot (high); must be tied low for normal operation."
      },
      {
        "number": "139",
        "name": "PB8",
        "type": "bidirectional",
        "description": "GPIO port B pin 8; configurable for TIM16 channel 1, TIM4 channel 3, DFSDM input, I2C1 SCL, I2C4 SCL, SDMMC1 CKIN, UART4 RX, FDCAN1 RX, SDMMC2 D4, or ETH; high-speed."
      },
      {
        "number": "140",
        "name": "PB9",
        "type": "bidirectional",
        "description": "GPIO port B pin 9; configurable for TIM17 channel 1, TIM4 channel 4, DFSDM data, I2C1 SDA, SPI2/I2S2 NSS, I2C4 SDA, SDMMC1 CDIR, UART4 TX, FDCAN1 TX, SDMMC2 D5; high-speed."
      },
      {
        "number": "141",
        "name": "PE0",
        "type": "bidirectional",
        "description": "GPIO port E pin 0; configurable for LPTIM1 ETR, TIM4 ETR, HRTIM SCIN, LPTIM2 ETR, UART8 RX, FDCAN1 RXFD mode, SAI2 MCLK, FMC NBL0, or DCMI; high-speed I/O."
      },
      {
        "number": "142",
        "name": "PE1",
        "type": "bidirectional",
        "description": "GPIO port E pin 1; configurable for LPTIM1 input, HRTIM SCOUT, UART8 TX, FDCAN1 TXFD mode, or FMC NBL1 DCMI D3; high-speed I/O."
      },
      {
        "number": "143",
        "name": "PDR_ON",
        "type": "input",
        "description": "Power domain ready output enable pin; input to enable external power regulator bypass logic when internal regulator is ON."
      },
      {
        "number": "144",
        "name": "VDD",
        "type": "power_in",
        "description": "Main power supply input for digital circuitry; accepts 1.62 to 3.6 V and must be decoupled with 100 nF + 4.7 \u00b5F capacitors."
      }
    ],
    "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: Pins PC2_C (28) and PC3_C (29) are analog-only inputs through analog switches; they share physical p; PA4 and PA5 have no positive injection capability (listed as -0/0 in Table 22); special handling req; VREF- pin is not shown in LQFP144 package table but appears in larger packages; verify if external r",
          "47/144 pins cited to the wrong page (name found elsewhere): ['34:PA0@p65', '35:PA1@p65', '36:PA2@p65', '37:PA3@p65']"
        ],
        "pages_sent": 109,
        "cost_usd": 1.0892,
        "at": "2026-10-01T05:51:59"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588907784653426688",
        "pages": 357,
        "sha256": "9c74d2015445f7c3",
        "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"
    }
  }
}