STM32L462RET6

{
  "slug": "stm32l462ret6",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-64(10x10). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "stm32l462ret6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm32l462ret6.kicad_sym",
    "stm32l462ret6.kicad_mod",
    "stm32l462ret6.glb",
    "stm32l462ret6.step",
    "stm32l462ret6.lbr",
    "docs/hero.png",
    "docs/stm32l462ret6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stm32l462ret6-hero.glb",
    "stm32l462ret6-hero.overlay.json"
  ],
  "component": {
    "mpn": "STM32L462RET6",
    "manufacturer": "STMicroelectronics",
    "package": "LQFP-64(10x10)",
    "pin_count": 64,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588922527418212352",
    "parts": {
      "symbol": "stm32l462ret6.kicad_sym",
      "footprint": "stm32l462ret6.kicad_mod",
      "model_3d": "stm32l462ret6-hero.glb",
      "model_3d_plain": "stm32l462ret6.glb",
      "model_3d_step": "stm32l462ret6-etched.step",
      "model_3d_step_plain": "stm32l462ret6.step",
      "lbr": "stm32l462ret6.lbr"
    },
    "distributor_links": {
      "lcsc": "C1340473",
      "digikey": "497-17214-ND",
      "mouser": "511-STM32L462RET6"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T18:31:29Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-17214-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32L462RET6",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup-domain supply for the RTC and backup registers, with a backup operating voltage of 1.55 V to 3.6 V (Table 22)."
      },
      {
        "number": "2",
        "name": "PC13",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO supplied through the power switch that sinks at most 3 mA, so output speed must not exceed 2 MHz at 30 pF and it must not source current such as an LED drive; it also carries RTC_TAMP1, RTC_TS, RTC_OUT and WKUP2."
      },
      {
        "number": "3",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO supplied through the power switch with the same 3 mA sink, 2 MHz / 30 pF and no-current-source limits, and used as the 32 kHz LSE crystal input (OSC32_IN) when enabled."
      },
      {
        "number": "4",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO supplied through the power switch with the same 3 mA sink, 2 MHz / 30 pF and no-current-source limits, and used as the 32 kHz LSE crystal output (OSC32_OUT) when enabled."
      },
      {
        "number": "5",
        "name": "PH0-OSC_IN",
        "type": "bidirectional",
        "description": "Five-volt-tolerant I/O (FT) that serves as the high-speed crystal oscillator input (OSC_IN) for the 4 to 48 MHz crystal oscillator."
      },
      {
        "number": "6",
        "name": "PH1-OSC_OUT",
        "type": "bidirectional",
        "description": "Five-volt-tolerant I/O (FT) that serves as the high-speed crystal oscillator output (OSC_OUT) for the 4 to 48 MHz crystal oscillator."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Bidirectional active-low reset pin with an embedded weak pull-up resistor."
      },
      {
        "number": "8",
        "name": "PC0",
        "type": "bidirectional",
        "description": "I/O with FT_fa structure (5 V tolerant, Fm+ capable, analog switch supplied by VDDA) offering ADC1_IN1 analog input and LPTIM1_IN1, I2C4_SCL, I2C3_SCL and LPUART1_RX alternate functions."
      },
      {
        "number": "9",
        "name": "PC1",
        "type": "bidirectional",
        "description": "I/O with FT_fa structure (5 V tolerant, Fm+ capable, analog switch supplied by VDDA) offering ADC1_IN2 analog input and TRACED0, LPTIM1_OUT, I2C4_SDA, I2C3_SDA and LPUART1_TX alternate functions."
      },
      {
        "number": "10",
        "name": "PC2",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FT_a structure (analog switch supplied by VDDA) offering ADC1_IN3 analog input and LPTIM1_IN2, SPI2_MISO and DFSDM1_CKOUT alternate functions."
      },
      {
        "number": "11",
        "name": "PC3",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FT_a structure (analog switch supplied by VDDA) offering ADC1_IN4 analog input and LPTIM1_ETR, SPI2_MOSI, SAI1_SD_A and LPTIM2_ETR alternate functions."
      },
      {
        "number": "12",
        "name": "VSSA/VREF-",
        "type": "power_in",
        "description": "Combined analog ground and ADC negative reference pin, with VREF- internally connected to VSSA on this package as allowed by the ADC note."
      },
      {
        "number": "13",
        "name": "VDDA/VREF+",
        "type": "power_in",
        "description": "Combined analog supply and ADC positive reference: VDDA must be 1.62 V to 3.6 V when the ADC or COMP is used, 1.8 V minimum for DAC or OPAMP and 2.4 V minimum for VREFBUF (Table 22)."
      },
      {
        "number": "14",
        "name": "PA0",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FT_a structure (analog switch supplied by VDDA) offering ADC1_IN5, OPAMP1_VINP, COMP1_INM, RTC_TAMP2 and WKUP1 functions."
      },
      {
        "number": "15",
        "name": "PA1",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FT_a structure (analog switch supplied by VDDA) offering ADC1_IN6, OPAMP1_VINM and COMP1_INP functions, plus TIM2_CH2, SPI1_SCK and USART2_RTS_DE."
      },
      {
        "number": "16",
        "name": "PA2",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FT_a structure (analog switch supplied by VDDA) offering ADC1_IN7, COMP2_INM and WKUP4 functions, plus TIM2_CH3, USART2_TX, LPUART1_TX and LSCO."
      },
      {
        "number": "17",
        "name": "PA3",
        "type": "bidirectional",
        "description": "3.6 V tolerant I/O with TT_a structure (analog switch supplied by VDDA) offering ADC1_IN8, OPAMP1_VOUT and COMP2_INP functions, plus TIM2_CH4, USART2_RX, LPUART1_RX and QUADSPI_CLK."
      },
      {
        "number": "18",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin that must be connected to the ground supply, with variations between ground pins limited to 50 mV."
      },
      {
        "number": "19",
        "name": "VDD",
        "type": "power_in",
        "description": "Main supply pin that must be kept within 1.71 V to 3.6 V, with variations between VDD pins limited to 50 mV."
      },
      {
        "number": "20",
        "name": "PA4",
        "type": "bidirectional",
        "description": "3.6 V tolerant I/O with TT_a structure (analog switch supplied by VDDA) offering ADC1_IN9, DAC1_OUT1, COMP1_INM and COMP2_INM functions, plus SPI1_NSS, SPI3_NSS and USART2_CK."
      },
      {
        "number": "21",
        "name": "PA5",
        "type": "bidirectional",
        "description": "3.6 V tolerant I/O with TT_a structure (analog switch supplied by VDDA) offering ADC1_IN10, COMP1_INM and COMP2_INM functions, plus TIM2_CH1, TIM2_ETR and SPI1_SCK."
      },
      {
        "number": "22",
        "name": "PA6",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FT_a structure (analog switch supplied by VDDA) offering ADC1_IN11 analog input, plus TIM1_BKIN, TIM3_CH1, SPI1_MISO and COMP1_OUT alternate functions."
      },
      {
        "number": "23",
        "name": "PA7",
        "type": "bidirectional",
        "description": "5 V tolerant Fm+ capable I/O with FT_fa structure (analog switch supplied by VDDA) offering ADC1_IN12 analog input, plus TIM1_CH1N, TIM3_CH2, I2C3_SCL and SPI1_MOSI alternate functions."
      },
      {
        "number": "24",
        "name": "PC4",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FT_a structure (analog switch supplied by VDDA) offering ADC1_IN13 and COMP1_INM functions, plus USART3_TX."
      },
      {
        "number": "25",
        "name": "PC5",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FT_a structure (analog switch supplied by VDDA) offering ADC1_IN14, COMP1_INP and WKUP5 functions, plus USART3_RX."
      },
      {
        "number": "26",
        "name": "PB0",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FT_a structure (analog switch supplied by VDDA) offering ADC1_IN15 analog input, plus TIM1_CH2N, TIM3_CH3, SPI1_NSS and COMP1_OUT alternate functions."
      },
      {
        "number": "27",
        "name": "PB1",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FT_a structure (analog switch supplied by VDDA) offering ADC1_IN16 and COMP1_INM functions, plus TIM1_CH3N, TIM3_CH4, USART3_RTS_DE and QUADSPI_BK1_IO0."
      },
      {
        "number": "28",
        "name": "PB2",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FT_a structure (analog switch supplied by VDDA) offering COMP1_INP function, plus RTC_OUT, LPTIM1_OUT, I2C3_SMBA and DFSDM1_CKIN0."
      },
      {
        "number": "29",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5 V tolerant Fm+ capable I/O (FT_f) with alternate functions including TIM2_CH3, I2C4_SCL, I2C2_SCL, SPI2_SCK, USART3_TX and LPUART1_RX."
      },
      {
        "number": "30",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5 V tolerant Fm+ capable I/O (FT_f) with alternate functions including TIM2_CH4, I2C4_SDA, I2C2_SDA, USART3_RX and LPUART1_TX."
      },
      {
        "number": "31",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin that must be connected to the ground supply, with variations between ground pins limited to 50 mV."
      },
      {
        "number": "32",
        "name": "VDD",
        "type": "power_in",
        "description": "Main supply pin that must be kept within 1.71 V to 3.6 V, with variations between VDD pins limited to 50 mV."
      },
      {
        "number": "33",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V tolerant standard I/O (FT) with alternate functions including TIM1_BKIN, I2C2_SMBA, SPI2_NSS, DFSDM1_DATIN1, USART3_CK and CAN1_RX."
      },
      {
        "number": "34",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5 V tolerant Fm+ capable I/O (FT_f) with alternate functions including TIM1_CH1N, I2C2_SCL, SPI2_SCK, USART3_CTS and CAN1_TX."
      },
      {
        "number": "35",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5 V tolerant Fm+ capable I/O (FT_f) with alternate functions including TIM1_CH2N, I2C2_SDA, SPI2_MISO, USART3_RTS_DE and TIM15_CH1."
      },
      {
        "number": "36",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5 V tolerant standard I/O (FT) with alternate functions including RTC_REFIN, TIM1_CH3N, SPI2_MOSI, SAI1_SD_A and TIM15_CH2."
      },
      {
        "number": "37",
        "name": "PC6",
        "type": "bidirectional",
        "description": "5 V tolerant standard I/O (FT) with alternate functions including TIM3_CH1, DFSDM1_CKIN3, TSC_G4_IO1 and SDMMC1_D6."
      },
      {
        "number": "38",
        "name": "PC7",
        "type": "bidirectional",
        "description": "5 V tolerant standard I/O (FT) with alternate functions including TIM3_CH2, DFSDM1_DATIN3, TSC_G4_IO2 and SDMMC1_D7."
      },
      {
        "number": "39",
        "name": "PC8",
        "type": "bidirectional",
        "description": "5 V tolerant standard I/O (FT) with alternate functions including TIM3_CH3, TSC_G4_IO3 and SDMMC1_D0."
      },
      {
        "number": "40",
        "name": "PC9",
        "type": "bidirectional",
        "description": "5 V tolerant standard I/O (FT) with alternate functions including TIM3_CH4, TSC_G4_IO4, USBNOE and SDMMC1_D1."
      },
      {
        "number": "41",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V tolerant standard I/O (FT) with alternate functions including MCO, TIM1_CH1, DFSDM1_CKIN1, USART1_CK, SAI1_SCK_A and LPTIM2_OUT."
      },
      {
        "number": "42",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V tolerant Fm+ capable I/O (FT_f) with alternate functions including TIM1_CH2, I2C1_SCL, DFSDM1_DATIN1, USART1_TX and SAI1_FS_A."
      },
      {
        "number": "43",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V tolerant Fm+ capable I/O (FT_f) with alternate functions including TIM1_CH3, I2C1_SDA, USART1_RX, USBCRS_SYNC and SAI1_SD_A."
      },
      {
        "number": "44",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FT_u structure whose USB function (USBDM) is supplied by VDDUSB, also offering TIM1_CH4, SPI1_MISO, COMP1_OUT, USART1_CTS and CAN1_RX."
      },
      {
        "number": "45",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V tolerant Fm+ capable I/O with FT_fu structure whose USB function (USBDP) is supplied by VDDUSB, also offering TIM1_ETR, SPI1_MOSI, USART1_RTS_DE and CAN1_TX."
      },
      {
        "number": "46",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V tolerant I/O that after reset carries the JTMS/SWDAT debug function with its internal pull-up activated, and also offers IR_OUT, USBNOE and SAI1_SD_B."
      },
      {
        "number": "47",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin that must be connected to the ground supply, with variations between ground pins limited to 50 mV."
      },
      {
        "number": "48",
        "name": "VDDUSB",
        "type": "power_in",
        "description": "USB supply pin that must be 3.0 V to 3.6 V when USB is used, and may be 0 V to 3.6 V when USB is not used (Table 22)."
      },
      {
        "number": "49",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V tolerant I/O that after reset carries the JTCK/SWCLK debug function with its internal pull-down activated, and also offers LPTIM1_OUT, I2C1_SMBA, I2C4_SMBA and SAI1_FS_B."
      },
      {
        "number": "50",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V tolerant I/O that after reset carries the JTDI debug function with its internal pull-up activated, and also offers TIM2_CH1, TIM2_ETR, USART2_RX, SPI1_NSS and TSC_G3_IO1."
      },
      {
        "number": "51",
        "name": "PC10",
        "type": "bidirectional",
        "description": "5 V tolerant standard I/O (FT) with alternate functions including TRACED1, SPI3_SCK, USART3_TX, UART4_TX, TSC_G3_IO2 and SDMMC1_D2."
      },
      {
        "number": "52",
        "name": "PC11",
        "type": "bidirectional",
        "description": "5 V tolerant standard I/O (FT) with alternate functions including SPI3_MISO, USART3_RX, UART4_RX, TSC_G3_IO3 and SDMMC1_D3."
      },
      {
        "number": "53",
        "name": "PC12",
        "type": "bidirectional",
        "description": "5 V tolerant standard I/O (FT) with alternate functions including TRACED3, SPI3_MOSI, USART3_CK, TSC_G3_IO4 and SDMMC1_CK."
      },
      {
        "number": "54",
        "name": "PD2",
        "type": "bidirectional",
        "description": "5 V tolerant standard I/O (FT) with alternate functions including TRACED2, TIM3_ETR, USART3_RTS_DE, TSC_SYNC and SDMMC1_CMD."
      },
      {
        "number": "55",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FT_a structure (analog switch supplied by VDDA) that after reset carries the JTDO/TRACESWO debug function and also offers COMP2_INM, TIM2_CH2, SPI1_SCK and SPI3_SCK."
      },
      {
        "number": "56",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FT_fa structure that after reset carries the NJTRST debug function with its internal pull-up activated, and also offers COMP2_INP, TIM3_CH1, I2C3_SDA and SPI1_MISO."
      },
      {
        "number": "57",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5 V tolerant standard I/O (FT) with alternate functions including LPTIM1_IN1, TIM3_CH2, CAN1_RX, I2C1_SMBA, SPI1_MOSI, COMP2_OUT and TIM16_BKIN."
      },
      {
        "number": "58",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FT_fa structure that also offers COMP2_INP, LPTIM1_ETR, I2C1_SCL, I2C4_SCL, USART1_TX and CAN1_TX."
      },
      {
        "number": "59",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FT_fa structure that also offers COMP2_INM and PVD_IN, plus LPTIM1_IN2, I2C1_SDA, I2C4_SDA, USART1_RX and UART4_CTS."
      },
      {
        "number": "60",
        "name": "PH3-BOOT0",
        "type": "bidirectional",
        "description": "Boot configuration pin BOOT0 that is also available as general-purpose PH3; Table 15 gives no I/O structure for this pin."
      },
      {
        "number": "61",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V tolerant Fm+ capable I/O (FT_f) with alternate functions including I2C1_SCL, CAN1_RX, SDMMC1_D4, SAI1_MCLK_A and TIM16_CH1."
      },
      {
        "number": "62",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V tolerant Fm+ capable I/O (FT_f) with alternate functions including IR_OUT, I2C1_SDA, SPI2_NSS, CAN1_TX, SDMMC1_D5 and SAI1_FS_A."
      },
      {
        "number": "63",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin that must be connected to the ground supply, with variations between ground pins limited to 50 mV."
      },
      {
        "number": "64",
        "name": "VDD",
        "type": "power_in",
        "description": "Main supply pin that must be kept within 1.71 V to 3.6 V, with variations between VDD pins limited to 50 mV."
      }
    ],
    "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: No specs field exists in the schema; headline electrical parameters are not output here. Pin electri; Pin type mapping: datasheet I/O is mapped to KiCad bidirectional, and VSS/VDD/VDDA/VREF/VBAT/VDDUSB ; PH3-BOOT0 (pin 60): Table 15 lists type I/O with no I/O structure, and the BOOT0 function is an inpu"
        ],
        "pages_sent": 78,
        "cost_usd": 0.3616,
        "at": "2026-10-08T18:30:40"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588922527418212352",
        "pages": 210,
        "sha256": "3a1333ab41d6e9a6",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 64,
        "described": 64,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "stm32l462ret6.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12.0,
          12.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b0c827bc5c05552175d28affe44a5bd2ab45c9c36efff6ff07a74cc449b13db4",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm32l462ret6-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f1cdbedaa44057e65823f147eea4c76c465ba38dc12aeaf1de5697f91f0b5385",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}