STM32L4A6QGI6

{
  "slug": "stm32l4a6qgi6",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), UFBGA-132(7x7). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "stm32l4a6qgi6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm32l4a6qgi6.kicad_sym",
    "stm32l4a6qgi6.kicad_mod",
    "stm32l4a6qgi6.glb",
    "stm32l4a6qgi6.step",
    "stm32l4a6qgi6.lbr",
    "docs/hero.png",
    "docs/stm32l4a6qgi6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stm32l4a6qgi6-hero.glb",
    "stm32l4a6qgi6-hero.overlay.json"
  ],
  "component": {
    "mpn": "STM32L4A6QGI6",
    "manufacturer": "STMicroelectronics",
    "package": "UFBGA-132(7x7)",
    "pin_count": 132,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603065885636771840",
    "parts": {
      "symbol": "stm32l4a6qgi6.kicad_sym",
      "footprint": "stm32l4a6qgi6.kicad_mod",
      "model_3d": "stm32l4a6qgi6-hero.glb",
      "model_3d_plain": "stm32l4a6qgi6.glb",
      "model_3d_step": "stm32l4a6qgi6-etched.step",
      "model_3d_step_plain": "stm32l4a6qgi6.step",
      "lbr": "stm32l4a6qgi6.lbr"
    },
    "distributor_links": {
      "lcsc": "C5269906",
      "digikey": "497-17729-ND",
      "mouser": "511-STM32L4A6QGI6"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T00:03:44Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-17729-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32L4A6QGI6",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "A1",
        "name": "PE3",
        "type": "bidirectional",
        "description": "5 V-tolerant-free TT/FT_l I/O (FT_l: LCD function supplied by VLCD); alternate functions include TRACED0, TIM3_CH1, TSC_G7_IO2, LCD_SEG39, FMC_A19, SAI1_SD_B."
      },
      {
        "number": "A2",
        "name": "PE1",
        "type": "bidirectional",
        "description": "FT_l I/O (5 V-tolerant, LCD function supplied by VLCD); alternate functions include DCMI_D3, LCD_SEG37, FMC_NBL1, TIM17_CH1."
      },
      {
        "number": "A3",
        "name": "PB8",
        "type": "bidirectional",
        "description": "FT_fl I/O (5 V-tolerant, Fm+ capable, LCD function supplied by VLCD); alternate functions include TIM4_CH3, I2C1_SCL, DFSDM1_DATIN6, CAN1_RX, DCMI_D6, SDMMC1_D4."
      },
      {
        "number": "A4",
        "name": "PH3-BOOT0",
        "type": "bidirectional",
        "description": "5 V-tolerant FT I/O shared with the BOOT0 boot-select input; BOOT0 input is specified up to 9.0 V."
      },
      {
        "number": "A5",
        "name": "PD7",
        "type": "bidirectional",
        "description": "5 V-tolerant FT I/O; alternate functions include DFSDM1_CKIN1, USART2_CK, QUADSPI_BK2_IO3, FMC_NE1."
      },
      {
        "number": "A6",
        "name": "PD5",
        "type": "bidirectional",
        "description": "5 V-tolerant FT I/O; alternate functions include USART2_TX, QUADSPI_BK2_IO1, FMC_NWE."
      },
      {
        "number": "A7",
        "name": "PB4",
        "type": "bidirectional",
        "description": "FT_fla I/O (5 V-tolerant, Fm+, LCD and analog switch supplied by VDDA); after reset it is the NJTRST JTAG pin with internal pull-up enabled."
      },
      {
        "number": "A8",
        "name": "PB3",
        "type": "bidirectional",
        "description": "FT_la I/O (5 V-tolerant, LCD and analog switch function); after reset it is the JTDO/TRACESWO pin, and COMP2_INM is an analog input."
      },
      {
        "number": "A9",
        "name": "PA15",
        "type": "bidirectional",
        "description": "FT_l I/O (5 V-tolerant, LCD supplied by VLCD); after reset it is the JTDI pin with internal pull-up enabled."
      },
      {
        "number": "A10",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V-tolerant FT I/O; after reset it is the JTCK/SWCLK pin with internal pull-down enabled."
      },
      {
        "number": "A11",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V-tolerant FT I/O; after reset it is the JTMS/SWDIO pin with internal pull-up enabled."
      },
      {
        "number": "A12",
        "name": "PA12",
        "type": "bidirectional",
        "description": "FT_u I/O (5 V-tolerant, USB function supplied by VDDUSB); alternate functions include TIM1_ETR, SPI1_MOSI, USART1_RTS_DE, CAN1_TX, OTG_FS_DP."
      },
      {
        "number": "B1",
        "name": "PE4",
        "type": "bidirectional",
        "description": "5 V-tolerant FT I/O; alternate functions include TRACED1, TIM3_CH2, DFSDM1_DATIN3, DCMI_D4, FMC_A20, SAI1_FS_A."
      },
      {
        "number": "B2",
        "name": "PE2",
        "type": "bidirectional",
        "description": "FT_l I/O (5 V-tolerant, LCD supplied by VLCD); alternate functions include TRACECK, TIM3_ETR, TSC_G7_IO1, LCD_SEG38, FMC_A23, SAI1_MCLK_A."
      },
      {
        "number": "B3",
        "name": "PB9",
        "type": "bidirectional",
        "description": "FT_fl I/O (5 V-tolerant, Fm+ capable, LCD supplied by VLCD); alternate functions include IR_OUT, TIM4_CH4, I2C1_SDA, SPI2_NSS, CAN1_TX, DCMI_D7, SDMMC1_D5."
      },
      {
        "number": "B4",
        "name": "PB7",
        "type": "bidirectional",
        "description": "FT_fla I/O (5 V-tolerant, Fm+, LCD and analog switch supplied by VDDA); alternate functions include LPTIM1_IN2, TIM4_CH2, I2C1_SDA, USART1_RX, DCMI_VSYNC, PVD_IN."
      },
      {
        "number": "B5",
        "name": "PB6",
        "type": "bidirectional",
        "description": "FT_fa I/O (5 V-tolerant, Fm+, analog switch supplied by VDDA); alternate functions include LPTIM1_ETR, TIM4_CH1, I2C1_SCL, USART1_TX, CAN2_TX, DCMI_D5."
      },
      {
        "number": "B6",
        "name": "PD6",
        "type": "bidirectional",
        "description": "5 V-tolerant FT I/O; alternate functions include DCMI_D10, QUADSPI_BK2_IO2, DFSDM1_DATIN1, USART2_RX, FMC_NWAIT, SAI1_SD_A."
      },
      {
        "number": "B7",
        "name": "PD4",
        "type": "bidirectional",
        "description": "5 V-tolerant FT I/O; alternate functions include SPI2_MOSI, DFSDM1_CKIN0, USART2_RTS_DE, QUADSPI_BK2_IO0, FMC_NOE."
      },
      {
        "number": "B8",
        "name": "PD3",
        "type": "bidirectional",
        "description": "5 V-tolerant FT I/O; alternate functions include SPI2_SCK, DCMI_D5, SPI2_MISO, DFSDM1_DATIN0, USART2_CTS, QUADSPI_BK2_NCS, FMC_CLK."
      },
      {
        "number": "B9",
        "name": "PD1",
        "type": "bidirectional",
        "description": "5 V-tolerant FT I/O; alternate functions include SPI2_SCK, DFSDM1_CKIN7, CAN1_TX, FMC_D3."
      },
      {
        "number": "B10",
        "name": "PC12",
        "type": "bidirectional",
        "description": "FT_l I/O (5 V-tolerant, LCD supplied by VLCD); alternate functions include TRACED3, SPI3_MOSI, USART3_CK, UART5_TX, TSC_G3_IO4, DCMI_D9, SDMMC1_CK."
      },
      {
        "number": "B11",
        "name": "PC10",
        "type": "bidirectional",
        "description": "FT_l I/O (5 V-tolerant, LCD supplied by VLCD); alternate functions include TRACED1, SPI3_SCK, USART3_TX, UART4_TX, TSC_G3_IO2, DCMI_D8, SDMMC1_D2."
      },
      {
        "number": "B12",
        "name": "PA11",
        "type": "bidirectional",
        "description": "FT_u I/O (5 V-tolerant, USB function supplied by VDDUSB); alternate functions include TIM1_CH4, SPI1_MISO, USART1_CTS, CAN1_RX, OTG_FS_DM."
      },
      {
        "number": "C1",
        "name": "PC13",
        "type": "bidirectional",
        "description": "5 V-tolerant FT GPIO supplied through the power switch, sinking at most 3 mA; output speed must not exceed 2 MHz with 30 pF load and it must not source current (e.g. LEDs); function depends on RTC registers after backup power-up."
      },
      {
        "number": "C2",
        "name": "PE5",
        "type": "bidirectional",
        "description": "5 V-tolerant FT I/O; alternate functions include TRACED2, TIM3_CH3, DFSDM1_CKIN3, TSC_G7_IO4, DCMI_D6, FMC_A21, SAI1_SCK_A."
      },
      {
        "number": "C3",
        "name": "PE0",
        "type": "bidirectional",
        "description": "FT_l I/O (5 V-tolerant, LCD supplied by VLCD); alternate functions include TIM4_ETR, DCMI_D2, LCD_SEG36, FMC_NBL0, TIM16_CH1."
      },
      {
        "number": "C4",
        "name": "VDD",
        "type": "power_in",
        "description": "Main digital supply; 1.71 V to 3.6 V standard operating voltage."
      },
      {
        "number": "C5",
        "name": "PB5",
        "type": "bidirectional",
        "description": "FT_la I/O (5 V-tolerant, LCD and analog switch function); alternate functions include LPTIM1_IN1, TIM3_CH2, CAN2_RX, I2C1_SMBA, SPI1_MOSI, SPI3_MOSI, COMP2_OUT."
      },
      {
        "number": "C6",
        "name": "PG14",
        "type": "bidirectional",
        "description": "FT_fs I/O (5 V-tolerant, Fm+ capable, supplied only by VDDIO2); alternate functions include I2C1_SCL, FMC_A25."
      },
      {
        "number": "C7",
        "name": "PG13",
        "type": "bidirectional",
        "description": "FT_fs I/O (5 V-tolerant, Fm+ capable, supplied only by VDDIO2); alternate functions include I2C1_SDA, USART1_CK, FMC_A24."
      },
      {
        "number": "C8",
        "name": "PD2",
        "type": "bidirectional",
        "description": "FT_l I/O (5 V-tolerant, LCD supplied by VLCD); alternate functions include TRACED2, TIM3_ETR, USART3_RTS_DE, UART5_RX, TSC_SYNC, DCMI_D11, SDMMC1_CMD."
      },
      {
        "number": "C9",
        "name": "PD0",
        "type": "bidirectional",
        "description": "5 V-tolerant FT I/O; alternate functions include SPI2_NSS, DFSDM1_DATIN7, CAN1_RX, FMC_D2."
      },
      {
        "number": "C10",
        "name": "PC11",
        "type": "bidirectional",
        "description": "FT_l I/O (5 V-tolerant, LCD supplied by VLCD); alternate functions include QUADSPI_BK2_NCS, SPI3_MISO, USART3_RX, UART4_RX, DCMI_D4, SDMMC1_D3."
      },
      {
        "number": "C11",
        "name": "VDDUSB",
        "type": "power_in",
        "description": "USB supply; 3.0 V to 3.6 V when USB is used, 0 to 3.6 V when USB is not used."
      },
      {
        "number": "C12",
        "name": "PA10",
        "type": "bidirectional",
        "description": "FT_lu I/O (5 V-tolerant, LCD and USB supply pins apply); alternate functions include TIM1_CH3, DCMI_D1, USART1_RX, OTG_FS_ID, SAI1_SD_A, TIM17_BKIN."
      },
      {
        "number": "D1",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "5 V-tolerant FT GPIO (PC14) supplied through the power switch with the same 3 mA sink and 2 MHz / 30 pF output limits as PC13; alternate function OSC32_IN."
      },
      {
        "number": "D2",
        "name": "PE6",
        "type": "bidirectional",
        "description": "5 V-tolerant FT I/O; alternate functions include TRACED3, TIM3_CH4, DCMI_D7, FMC_A22, SAI1_SD_A; RTC_TAMP3/WKUP3 additional function."
      },
      {
        "number": "D3",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin; must be connected to the external ground supply."
      },
      {
        "number": "D4",
        "name": "PF2",
        "type": "bidirectional",
        "description": "5 V-tolerant FT I/O; alternate functions include I2C2_SMBA, FMC_A2."
      },
      {
        "number": "D5",
        "name": "PF1",
        "type": "bidirectional",
        "description": "FT_f I/O (5 V-tolerant, Fm+ capable); alternate functions include I2C2_SCL, FMC_A1."
      },
      {
        "number": "D6",
        "name": "PF0",
        "type": "bidirectional",
        "description": "FT_f I/O (5 V-tolerant, Fm+ capable); alternate functions include I2C2_SDA, FMC_A0."
      },
      {
        "number": "D7",
        "name": "PG12",
        "type": "bidirectional",
        "description": "FT_s I/O (5 V-tolerant, supplied only by VDDIO2); alternate functions include LPTIM1_ETR, SPI3_NSS, USART1_RTS_DE, FMC_NE4, SAI2_SD_A."
      },
      {
        "number": "D8",
        "name": "PG10",
        "type": "bidirectional",
        "description": "FT_s I/O (5 V-tolerant, supplied only by VDDIO2); alternate functions include LPTIM1_IN1, SPI3_MISO, USART1_RX, FMC_NE3, SAI2_FS_A, TIM15_CH1."
      },
      {
        "number": "D9",
        "name": "PG9",
        "type": "bidirectional",
        "description": "FT_s I/O (5 V-tolerant, supplied only by VDDIO2); alternate functions include SPI3_SCK, USART1_TX, FMC_NCE/FMC_NE2, SAI2_SCK_A, TIM15_CH1N."
      },
      {
        "number": "D10",
        "name": "PA9",
        "type": "bidirectional",
        "description": "FT_lu I/O (5 V-tolerant, LCD and USB supply pins apply); alternate functions include TIM1_CH2, SPI2_SCK, DCMI_D0, USART1_TX, SAI1_FS_A, TIM15_BKIN, OTG_FS_VBUS."
      },
      {
        "number": "D11",
        "name": "PA8",
        "type": "bidirectional",
        "description": "FT_l I/O (5 V-tolerant, LCD supplied by VLCD); alternate functions include MCO, TIM1_CH1, USART1_CK, OTG_FS_SOF, SWPMI1_IO, SAI1_SCK_A, LPTIM2_OUT."
      },
      {
        "number": "D12",
        "name": "PC9",
        "type": "bidirectional",
        "description": "FT_fl I/O (5 V-tolerant, Fm+ capable, LCD supplied by VLCD); alternate functions include TIM8_BKIN2, TIM3_CH4, TIM8_CH4, DCMI_D3, I2C3_SDA, OTG_FS_NOE, SDMMC1_D1."
      },
      {
        "number": "E1",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "5 V-tolerant FT GPIO (PC15) supplied through the power switch with the same 3 mA sink and 2 MHz / 30 pF output limits as PC13; alternate function OSC32_OUT."
      },
      {
        "number": "E2",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup domain supply for RTC and 32x32-bit backup registers; 1.55 V to 3.6 V."
      },
      {
        "number": "E3",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin; must be connected to the external ground supply."
      },
      {
        "number": "E4",
        "name": "PF3",
        "type": "bidirectional",
        "description": "FT_a I/O (5 V-tolerant when not routed to ADC; not 5 V-tolerant once used as analog input, cannot exceed VDDA or VREF+); alternate functions include FMC_A3, ADC3_IN6."
      },
      {
        "number": "E9",
        "name": "PG5",
        "type": "bidirectional",
        "description": "FT_s I/O (5 V-tolerant, supplied only by VDDIO2); alternate functions include SPI1_NSS, LPUART1_CTS, FMC_A15, SAI2_SD_B."
      },
      {
        "number": "E10",
        "name": "PC8",
        "type": "bidirectional",
        "description": "FT_l I/O (5 V-tolerant, LCD supplied by VLCD); alternate functions include TIM3_CH3, TIM8_CH3, TSC_G4_IO3, DCMI_D2, LCD_SEG26, SDMMC1_D0."
      },
      {
        "number": "E11",
        "name": "PC7",
        "type": "bidirectional",
        "description": "FT_l I/O (5 V-tolerant, LCD supplied by VLCD); alternate functions include TIM3_CH2, TIM8_CH2, DFSDM1_DATIN3, DCMI_D1, LCD_SEG25, SAI2_MCLK_B."
      },
      {
        "number": "E12",
        "name": "PC6",
        "type": "bidirectional",
        "description": "FT_l I/O (5 V-tolerant, LCD supplied by VLCD); alternate functions include TIM3_CH1, TIM8_CH1, DFSDM1_CKIN3, DCMI_D0, LCD_SEG24, SDMMC1_D6."
      },
      {
        "number": "F1",
        "name": "PH0-OSC_IN",
        "type": "bidirectional",
        "description": "5 V-tolerant FT I/O; alternate function OSC_IN (external HSE crystal input)."
      },
      {
        "number": "F2",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin; must be connected to the external ground supply."
      },
      {
        "number": "F3",
        "name": "PF4",
        "type": "bidirectional",
        "description": "FT_a I/O (analog switch supplied by VDDA; not 5 V-tolerant once used as ADC input); alternate functions include FMC_A4, ADC3_IN7."
      },
      {
        "number": "F4",
        "name": "PF5",
        "type": "bidirectional",
        "description": "FT_a I/O (analog switch supplied by VDDA; not 5 V-tolerant once used as ADC input); alternate functions include FMC_A5, ADC3_IN8."
      },
      {
        "number": "F6",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin; must be connected to the external ground supply."
      },
      {
        "number": "F7",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin; must be connected to the external ground supply."
      },
      {
        "number": "F9",
        "name": "PG3",
        "type": "bidirectional",
        "description": "FT_s I/O (5 V-tolerant, supplied only by VDDIO2); alternate functions include SPI1_MISO, FMC_A13, SAI2_FS_B."
      },
      {
        "number": "F10",
        "name": "PG4",
        "type": "bidirectional",
        "description": "FT_s I/O (5 V-tolerant, supplied only by VDDIO2); alternate functions include SPI1_MOSI, FMC_A14, SAI2_MCLK_B."
      },
      {
        "number": "F11",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin; must be connected to the external ground supply."
      },
      {
        "number": "F12",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin; must be connected to the external ground supply."
      },
      {
        "number": "G1",
        "name": "PH1-OSC_OUT",
        "type": "bidirectional",
        "description": "5 V-tolerant FT I/O; alternate function OSC_OUT (external HSE crystal output)."
      },
      {
        "number": "G2",
        "name": "VDD",
        "type": "power_in",
        "description": "Main digital supply; 1.71 V to 3.6 V standard operating voltage."
      },
      {
        "number": "G3",
        "name": "PG11",
        "type": "bidirectional",
        "description": "FT_s I/O (5 V-tolerant, supplied only by VDDIO2); alternate functions include LPTIM1_IN2, SPI3_MOSI, USART1_CTS, SAI2_MCLK_A, TIM15_CH2."
      },
      {
        "number": "G4",
        "name": "PG6",
        "type": "bidirectional",
        "description": "FT_s I/O (5 V-tolerant, supplied only by VDDIO2); alternate functions include I2C3_SMBA, LPUART1_RTS_DE."
      },
      {
        "number": "G6",
        "name": "VDD",
        "type": "power_in",
        "description": "Main digital supply; 1.71 V to 3.6 V standard operating voltage."
      },
      {
        "number": "G7",
        "name": "VDDIO2",
        "type": "power_in",
        "description": "Supply for PG[15:2] I/Os; 1.08 V to 3.6 V when at least one of these I/Os is used, 0 to 3.6 V when PG[15:2] are not used."
      },
      {
        "number": "G9",
        "name": "PG1",
        "type": "bidirectional",
        "description": "FT I/O (5 V-tolerant); alternate functions include TSC_G8_IO4, FMC_A11."
      },
      {
        "number": "G10",
        "name": "PG2",
        "type": "bidirectional",
        "description": "FT_s I/O (5 V-tolerant, supplied only by VDDIO2); alternate functions include SPI1_SCK, FMC_A12, SAI2_SCK_B."
      },
      {
        "number": "G11",
        "name": "VDD",
        "type": "power_in",
        "description": "Main digital supply; 1.71 V to 3.6 V standard operating voltage."
      },
      {
        "number": "G12",
        "name": "VDD",
        "type": "power_in",
        "description": "Main digital supply; 1.71 V to 3.6 V standard operating voltage."
      },
      {
        "number": "H1",
        "name": "PC0",
        "type": "bidirectional",
        "description": "FT_fla I/O (5 V-tolerant, Fm+, LCD and analog switch supplied by VDDA); alternate functions include LPTIM1_IN1, I2C4_SCL, I2C3_SCL, LPUART1_RX, LCD_SEG18; ADC123_IN1 analog input."
      },
      {
        "number": "H2",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Bidirectional reset pin with embedded weak pull-up resistor."
      },
      {
        "number": "H3",
        "name": "VDD",
        "type": "power_in",
        "description": "Main digital supply; 1.71 V to 3.6 V standard operating voltage."
      },
      {
        "number": "H4",
        "name": "PG7",
        "type": "bidirectional",
        "description": "FT_fs I/O (5 V-tolerant, Fm+ capable, supplied only by VDDIO2); alternate functions include I2C3_SCL, LPUART1_TX, FMC_INT, SAI1_MCLK_A."
      },
      {
        "number": "H9",
        "name": "PG0",
        "type": "bidirectional",
        "description": "FT I/O (5 V-tolerant); alternate functions include TSC_G8_IO3, FMC_A10."
      },
      {
        "number": "H10",
        "name": "PD15",
        "type": "bidirectional",
        "description": "FT_l I/O (5 V-tolerant, LCD supplied by VLCD); alternate functions include TIM4_CH4, LCD_SEG35, FMC_D1."
      },
      {
        "number": "H11",
        "name": "PD14",
        "type": "bidirectional",
        "description": "FT_l I/O (5 V-tolerant, LCD supplied by VLCD); alternate functions include TIM4_CH3, LCD_SEG34, FMC_D0."
      },
      {
        "number": "H12",
        "name": "PD13",
        "type": "bidirectional",
        "description": "FT_fl I/O (5 V-tolerant, Fm+ capable, LCD supplied by VLCD); alternate functions include TIM4_CH2, I2C4_SDA, TSC_G6_IO4, LCD_SEG33, FMC_A18, LPTIM2_OUT."
      },
      {
        "number": "J1",
        "name": "VSSA/VREF-",
        "type": "power_in",
        "description": "Combined analog ground and ADC negative reference; VREF- is connected to VSSA."
      },
      {
        "number": "J2",
        "name": "PC1",
        "type": "bidirectional",
        "description": "FT_fla I/O (5 V-tolerant, Fm+, LCD and analog switch supplied by VDDA); alternate functions include TRACED0, LPTIM1_OUT, I2C4_SDA, SPI2_MOSI, LPUART1_TX, LCD_SEG19; ADC123_IN2 analog input."
      },
      {
        "number": "J3",
        "name": "PC2",
        "type": "bidirectional",
        "description": "FT_la I/O (5 V-tolerant, LCD and analog switch function); alternate functions include LPTIM1_IN2, SPI2_MISO, DFSDM1_CKOUT, LCD_SEG20; ADC123_IN3 analog input."
      },
      {
        "number": "J4",
        "name": "PA4",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V-tolerant, analog switch supplied by VDDA); alternate functions include SPI1_NSS, SPI3_NSS, USART2_CK, DCMI_HSYNC, LPTIM2_OUT; ADC12_IN9 and DAC1_OUT1 analog functions."
      },
      {
        "number": "J5",
        "name": "PA7",
        "type": "bidirectional",
        "description": "FT_fla I/O (5 V-tolerant, Fm+, LCD and analog switch supplied by VDDA); alternate functions include TIM1_CH1N, TIM3_CH2, I2C3_SCL, SPI1_MOSI, LCD_SEG4; OPAMP2_VINM not available on this UFBGA ball, use M4."
      },
      {
        "number": "J6",
        "name": "PG8",
        "type": "bidirectional",
        "description": "FT_fs I/O (5 V-tolerant, Fm+ capable, supplied only by VDDIO2); alternate functions include I2C3_SDA, LPUART1_RX."
      },
      {
        "number": "J7",
        "name": "PF12",
        "type": "bidirectional",
        "description": "5 V-tolerant FT I/O; alternate function FMC_A6."
      },
      {
        "number": "J8",
        "name": "PF14",
        "type": "bidirectional",
        "description": "FT_fa I/O (5 V-tolerant, Fm+, analog switch supplied by VDDA); alternate functions include I2C4_SCL, DFSDM1_CKIN6, TSC_G8_IO1, FMC_A8."
      },
      {
        "number": "J9",
        "name": "PF15",
        "type": "bidirectional",
        "description": "FT_fa I/O (5 V-tolerant, Fm+, analog switch supplied by VDDA); alternate functions include I2C4_SDA, TSC_G8_IO2, FMC_A9."
      },
      {
        "number": "J10",
        "name": "PD12",
        "type": "bidirectional",
        "description": "FT_fl I/O (5 V-tolerant, Fm+ capable, LCD supplied by VLCD); alternate functions include TIM4_CH1, I2C4_SCL, USART3_RTS_DE, TSC_G6_IO3, LCD_SEG32, FMC_A17, LPTIM2_IN1."
      },
      {
        "number": "J11",
        "name": "PD11",
        "type": "bidirectional",
        "description": "FT_l I/O (5 V-tolerant, LCD supplied by VLCD); alternate functions include I2C4_SMBA, USART3_CTS, TSC_G6_IO2, LCD_SEG31, FMC_A16, SAI2_SD_A, LPTIM2_ETR."
      },
      {
        "number": "J12",
        "name": "PD10",
        "type": "bidirectional",
        "description": "FT_l I/O (5 V-tolerant, LCD supplied by VLCD); alternate functions include USART3_CK, TSC_G6_IO1, LCD_SEG30, FMC_D15, SAI2_SCK_A."
      },
      {
        "number": "K1",
        "name": "PG15",
        "type": "bidirectional",
        "description": "FT_s I/O (5 V-tolerant, supplied only by VDDIO2); alternate functions include LPTIM1_OUT, I2C1_SMBA, DCMI_D13."
      },
      {
        "number": "K2",
        "name": "PC3",
        "type": "bidirectional",
        "description": "FT_la I/O (5 V-tolerant, LCD and analog switch function); alternate functions include LPTIM1_ETR, SPI2_MOSI, QUADSPI_BK2_IO2, LCD_VLCD, SAI1_SD_A, LPTIM2_ETR; ADC123_IN4 analog input."
      },
      {
        "number": "K3",
        "name": "PA2",
        "type": "bidirectional",
        "description": "FT_la I/O (5 V-tolerant, LCD and analog switch function); alternate functions include TIM2_CH3, USART2_TX, LPUART1_TX, QUADSPI_BK1_NCS, LCD_SEG1, TIM15_CH1; ADC12_IN7 and WKUP4/LSCO analog functions."
      },
      {
        "number": "K4",
        "name": "PA5",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V-tolerant, analog switch supplied by VDDA); alternate functions include TIM2_CH1, TIM2_ETR, TIM8_CH1N, SPI1_SCK, LPTIM2_ETR; ADC12_IN10 and DAC1_OUT2 analog functions."
      },
      {
        "number": "K5",
        "name": "PC4",
        "type": "bidirectional",
        "description": "FT_la I/O (5 V-tolerant, LCD and analog switch function); alternate functions include USART3_TX, QUADSPI_BK2_IO3, LCD_SEG22; COMP1_INM and ADC12_IN13 analog functions."
      },
      {
        "number": "K6",
        "name": "PF11",
        "type": "bidirectional",
        "description": "5 V-tolerant FT I/O; alternate function DCMI_D12."
      },
      {
        "number": "K7",
        "name": "PF13",
        "type": "bidirectional",
        "description": "5 V-tolerant FT I/O; alternate functions include I2C4_SMBA, DFSDM1_DATIN6, FMC_A7."
      },
      {
        "number": "K8",
        "name": "PD9",
        "type": "bidirectional",
        "description": "FT_l I/O (5 V-tolerant, LCD supplied by VLCD); alternate functions include USART3_RX, DCMI_PIXCLK, LCD_SEG29, FMC_D14, SAI2_MCLK_A."
      },
      {
        "number": "K9",
        "name": "PD8",
        "type": "bidirectional",
        "description": "FT_l I/O (5 V-tolerant, LCD supplied by VLCD); alternate functions include USART3_TX, DCMI_HSYNC, LCD_SEG28, FMC_D13."
      },
      {
        "number": "K10",
        "name": "PB15",
        "type": "bidirectional",
        "description": "FT_l I/O (5 V-tolerant, LCD supplied by VLCD); alternate functions include RTC_REFIN, TIM1_CH3N, TIM8_CH3N, SPI2_MOSI, DFSDM1_CKIN2, LCD_SEG15, SAI2_SD_A."
      },
      {
        "number": "K11",
        "name": "PB14",
        "type": "bidirectional",
        "description": "FT_fl I/O (5 V-tolerant, Fm+ capable, LCD supplied by VLCD); alternate functions include TIM1_CH2N, I2C2_SDA, SPI2_MISO, USART3_RTS_DE, LCD_SEG14, TIM15_CH1."
      },
      {
        "number": "K12",
        "name": "PB13",
        "type": "bidirectional",
        "description": "FT_fl I/O (5 V-tolerant, Fm+ capable, LCD supplied by VLCD); alternate functions include TIM1_CH1N, I2C2_SCL, SPI2_SCK, USART3_CTS, CAN2_TX, LCD_SEG13, TIM15_CH1N."
      },
      {
        "number": "L1",
        "name": "VREF+",
        "type": "power_in",
        "description": "Positive ADC/DAC reference voltage: 2 V to VDDA when VDDA ≥ 2 V; may be internally connected to VDDA depending on package; VREF+ may not exceed VDDA by more than 0.4 V."
      },
      {
        "number": "L2",
        "name": "PA0",
        "type": "bidirectional",
        "description": "FT_a I/O (5 V-tolerant when not routed to ADC; not 5 V-tolerant once used as analog input, cannot exceed VDDA or VREF+); alternate functions include TIM2_CH1, TIM8_ETR, USART2_CTS, UART4_TX; OPAMP1_VINP, ADC12_IN5 and RTC_TAMP2/WKUP1."
      },
      {
        "number": "L3",
        "name": "PA3",
        "type": "bidirectional",
        "description": "TT_la I/O (3.6 V-tolerant, LCD and analog switch function); alternate functions include TIM2_CH4, USART2_RX, LPUART1_RX, QUADSPI_CLK, LCD_SEG2; OPAMP1_VOUT and ADC12_IN8 analog functions."
      },
      {
        "number": "L4",
        "name": "PA6",
        "type": "bidirectional",
        "description": "FT_la I/O (5 V-tolerant, LCD and analog switch function); alternate functions include TIM1_BKIN, TIM3_CH1, DCMI_PIXCLK, SPI1_MISO, USART3_CTS, LPUART1_CTS, LCD_SEG3; OPAMP2_VINP and ADC12_IN11 analog functions."
      },
      {
        "number": "L5",
        "name": "PC5",
        "type": "bidirectional",
        "description": "FT_la I/O (5 V-tolerant, LCD and analog switch function); alternate functions include USART3_RX, LCD_SEG23; COMP1_INP, ADC12_IN14 and WKUP5 analog functions."
      },
      {
        "number": "L6",
        "name": "PB2",
        "type": "bidirectional",
        "description": "FT_la I/O (5 V-tolerant, LCD and analog switch function); alternate functions include RTC_OUT, LPTIM1_OUT, I2C3_SMBA, DFSDM1_CKIN0, LCD_VLCD; COMP1_INP analog input."
      },
      {
        "number": "L7",
        "name": "PE8",
        "type": "bidirectional",
        "description": "5 V-tolerant FT I/O; alternate functions include TIM1_CH1N, DFSDM1_CKIN2, FMC_D5, SAI1_SCK_B."
      },
      {
        "number": "L8",
        "name": "PE10",
        "type": "bidirectional",
        "description": "5 V-tolerant FT I/O; alternate functions include TIM1_CH2N, DFSDM1_DATIN4, TSC_G5_IO1, QUADSPI_CLK, FMC_D7, SAI1_MCLK_B."
      },
      {
        "number": "L9",
        "name": "PE12",
        "type": "bidirectional",
        "description": "5 V-tolerant FT I/O; alternate functions include TIM1_CH3N, SPI1_NSS, DFSDM1_DATIN5, TSC_G5_IO3, QUADSPI_BK1_IO0, FMC_D9."
      },
      {
        "number": "L10",
        "name": "PB10",
        "type": "bidirectional",
        "description": "FT_fl I/O (5 V-tolerant, Fm+ capable, LCD supplied by VLCD); alternate functions include TIM2_CH3, I2C4_SCL, I2C2_SCL, SPI2_SCK, USART3_TX, LPUART1_RX, LCD_SEG10, COMP1_OUT."
      },
      {
        "number": "L11",
        "name": "PB11",
        "type": "bidirectional",
        "description": "FT_fl I/O (5 V-tolerant, Fm+ capable, LCD supplied by VLCD); alternate functions include TIM2_CH4, I2C4_SDA, I2C2_SDA, DFSDM1_CKIN7, USART3_RX, LPUART1_TX, LCD_SEG11, COMP2_OUT."
      },
      {
        "number": "L12",
        "name": "PB12",
        "type": "bidirectional",
        "description": "FT_l I/O (5 V-tolerant, LCD supplied by VLCD); alternate functions include TIM1_BKIN, I2C2_SMBA, SPI2_NSS, DFSDM1_DATIN1, USART3_CK, TSC_G1_IO1, CAN2_RX, LCD_SEG12."
      },
      {
        "number": "M1",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply; 1.62 V to 3.6 V when ADC or COMP is used, 1.8 V when DAC or OPAMP is used, 2.4 V when VREFBUF is used."
      },
      {
        "number": "M2",
        "name": "PA1",
        "type": "bidirectional",
        "description": "FT_la I/O (5 V-tolerant, LCD and analog switch function); alternate functions include TIM2_CH2, TIM5_CH2, I2C1_SMBA, SPI1_SCK, USART2_RTS_DE, UART4_RX, LCD_SEG0; OPAMP1_VINM and ADC12_IN6 analog functions."
      },
      {
        "number": "M3",
        "name": "OPAMP1_VINM",
        "type": "input",
        "description": "Dedicated OPAMP1 inverting input (TT, 3.6 V-tolerant); on UFBGA packages OPAMP1_VINM is not available on PA1 or PA7, so this ball is used instead."
      },
      {
        "number": "M4",
        "name": "OPAMP2_VINM",
        "type": "input",
        "description": "Dedicated OPAMP2 inverting input (TT, 3.6 V-tolerant); on UFBGA packages OPAMP2_VINM is not available on PA6/PA7, so this ball is used instead."
      },
      {
        "number": "M5",
        "name": "PB0",
        "type": "bidirectional",
        "description": "TT_la I/O (3.6 V-tolerant, LCD and analog switch function); alternate functions include TIM1_CH2N, TIM3_CH3, TIM8_CH2N, SPI1_NSS, USART3_CK, QUADSPI_BK1_IO1, COMP1_OUT; OPAMP2_VOUT and ADC12_IN15 analog functions."
      },
      {
        "number": "M6",
        "name": "PB1",
        "type": "bidirectional",
        "description": "FT_la I/O (5 V-tolerant, LCD and analog switch function); alternate functions include TIM1_CH3N, TIM3_CH4, DFSDM1_DATIN0, USART3_RTS_DE, LCD_SEG6, LPTIM2_IN1; COMP1_INM and ADC12_IN16 analog functions."
      },
      {
        "number": "M7",
        "name": "PE7",
        "type": "bidirectional",
        "description": "5 V-tolerant FT I/O; alternate functions include TIM1_ETR, DFSDM1_DATIN2, FMC_D4, SAI1_SD_B."
      },
      {
        "number": "M8",
        "name": "PE9",
        "type": "bidirectional",
        "description": "5 V-tolerant FT I/O; alternate functions include TIM1_CH1, DFSDM1_CKOUT, FMC_D6, SAI1_FS_B."
      },
      {
        "number": "M9",
        "name": "PE11",
        "type": "bidirectional",
        "description": "5 V-tolerant FT I/O; alternate functions include TIM1_CH2, DFSDM1_CKIN4, TSC_G5_IO2, QUADSPI_BK1_NCS, FMC_D8."
      },
      {
        "number": "M10",
        "name": "PE13",
        "type": "bidirectional",
        "description": "5 V-tolerant FT I/O; alternate functions include TIM1_CH3, SPI1_SCK, DFSDM1_CKIN5, TSC_G5_IO4, QUADSPI_BK1_IO1, FMC_D10."
      },
      {
        "number": "M11",
        "name": "PE14",
        "type": "bidirectional",
        "description": "5 V-tolerant FT I/O; alternate functions include TIM1_CH4, TIM1_BKIN2, SPI1_MISO, QUADSPI_BK1_IO2, FMC_D11."
      },
      {
        "number": "M12",
        "name": "PE15",
        "type": "bidirectional",
        "description": "5 V-tolerant FT I/O; alternate functions include TIM1_BKIN, TIM1_BKIN_COMP1, SPI1_MOSI, QUADSPI_BK1_IO3, FMC_D12."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin descriptions are synthesized from Table 14 (I/O structure legend), Table 15 (pin definitions, al; Ball positions were taken from the UFBGA132 columns of Table 15 because the text extraction of the F; MPN STM32L4A6QGI6 has no 'P' suffix, so the standard integrated-LDO variant was used. The external-S"
        ],
        "pages_sent": 111,
        "cost_usd": 0.6116,
        "at": "2026-10-09T00:02:42"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603065885636771840",
        "pages": 281,
        "sha256": "21c6dbb622676390",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 132,
        "described": 132,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "stm32l4a6qgi6.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.0,
          7.0,
          0.756
        ],
        "zmin_mm": -0.006,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f38145b3fe837207535a6375bbaa97d9d04348e86bb9fa195fc778b09d3795eb",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm32l4a6qgi6-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.0,
          7.0,
          0.756
        ],
        "zmin_mm": -0.006,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "fc14087386f1791545ca8b026821ec3c04722d19523ba4a09439da8e57b20748",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}