STM32L081KZT6

{
  "slug": "stm32l081kzt6",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-32(7x7). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "stm32l081kzt6",
    "factory-2.0.0",
    "extractor-text"
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  "dependencies": {},
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    "path": "docs/hero.png"
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    "stm32l081kzt6.step",
    "stm32l081kzt6.lbr",
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    "docs/stm32l081kzt6-datasheet.pdf",
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  "component": {
    "mpn": "STM32L081KZT6",
    "manufacturer": "STMicroelectronics",
    "package": "LQFP-32(7x7)",
    "pin_count": 32,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603065723225067520",
    "parts": {
      "symbol": "stm32l081kzt6.kicad_sym",
      "footprint": "stm32l081kzt6.kicad_mod",
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      "model_3d_plain": "stm32l081kzt6.glb",
      "model_3d_step": "stm32l081kzt6-etched.step",
      "model_3d_step_plain": "stm32l081kzt6.step",
      "lbr": "stm32l081kzt6.lbr"
    },
    "distributor_links": {
      "lcsc": "C5269742",
      "digikey": "497-16832-ND",
      "mouser": "511-STM32L081KZT6"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T18:43:21Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-16832-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32L081KZT6",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply pin; the device operates from a 1.65 V to 3.6 V power supply."
      },
      {
        "number": "2",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O that also serves as OSC32_IN for the 32 kHz oscillator; floating input after reset unless a note states otherwise."
      },
      {
        "number": "3",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "Standard 3.3 V (TC) I/O that also serves as OSC32_OUT for the 32 kHz oscillator."
      },
      {
        "number": "4",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Bidirectional reset pin with an embedded weak pull-up resistor."
      },
      {
        "number": "5",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply pin; the revision history records the VDDA minimum as 1.65 V in Table 20."
      },
      {
        "number": "6",
        "name": "PA0",
        "type": "bidirectional",
        "description": "TTa I/O with alternate functions TIM2_CH1, USART2_CTS, TIM2_ETR, USART4_TX and COMP1_OUT, and additional functions COMP1_INM, ADC_IN0 and RTC_TAMP2/WKUP1."
      },
      {
        "number": "7",
        "name": "PA1",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with alternate functions EVENTOUT, TIM2_CH2, USART2_RTS/USART2_DE, TIM21_ETR and USART4_RX, and additional functions COMP1_INP and ADC_IN1."
      },
      {
        "number": "8",
        "name": "PA2",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with alternate functions TIM21_CH1, TIM2_CH3, USART2_TX, LPUART1_TX and COMP2_OUT, and additional functions COMP2_INM and ADC_IN2."
      },
      {
        "number": "9",
        "name": "PA3",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with alternate functions TIM21_CH2, TIM2_CH4, USART2_RX and LPUART1_RX, and additional functions COMP2_INP and ADC_IN3."
      },
      {
        "number": "10",
        "name": "PA4",
        "type": "bidirectional",
        "description": "Standard 3.3 V (TC) I/O with alternate functions SPI1_NSS, USART2_CK and TIM22_ETR, and additional functions COMP1_INM, COMP2_INM and ADC_IN4."
      },
      {
        "number": "11",
        "name": "PA5",
        "type": "bidirectional",
        "description": "Standard 3.3 V (TC) I/O with alternate functions SPI1_SCK, TIM2_ETR and TIM2_CH1, and additional functions COMP1_INM, COMP2_INM and ADC_IN5."
      },
      {
        "number": "12",
        "name": "PA6",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with alternate functions SPI1_MISO, TIM3_CH1, LPUART1_CTS, TIM22_CH1, EVENTOUT and COMP1_OUT, and additional function ADC_IN6."
      },
      {
        "number": "13",
        "name": "PA7",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with alternate functions SPI1_MOSI, TIM3_CH2, TIM22_CH2, EVENTOUT and COMP2_OUT, and additional function ADC_IN7."
      },
      {
        "number": "14",
        "name": "PB0",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with alternate functions EVENTOUT and TIM3_CH3, and additional functions ADC_IN8 and VREF_OUT."
      },
      {
        "number": "15",
        "name": "PB1",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with alternate functions TIM3_CH4 and LPUART1_RTS/LPUART1_DE, and additional functions ADC_IN9 and VREF_OUT."
      },
      {
        "number": "16",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin; all voltages are referenced to VSS."
      },
      {
        "number": "17",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply pin; the device operates from a 1.65 V to 3.6 V power supply."
      },
      {
        "number": "18",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V tolerant FM+-capable (FTf) I/O with alternate functions MCO, EVENTOUT, USART1_CK and I2C3_SCL."
      },
      {
        "number": "19",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V tolerant FM+-capable (FTf) I/O with alternate functions MCO, USART1_TX, I2C1_SCL and I2C3_SMBA."
      },
      {
        "number": "20",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V tolerant FM+-capable (FTf) I/O with alternate functions USART1_RX and I2C1_SDA."
      },
      {
        "number": "21",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with alternate functions SPI1_MISO, EVENTOUT, USART1_CTS and COMP1_OUT."
      },
      {
        "number": "22",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with alternate functions SPI1_MOSI, EVENTOUT, USART1_RTS/USART1_DE and COMP2_OUT."
      },
      {
        "number": "23",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with alternate functions SWDIO and LPUART1_RX."
      },
      {
        "number": "24",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with alternate functions SWCLK, USART2_TX and LPUART1_TX."
      },
      {
        "number": "25",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with alternate functions SPI1_NSS, TIM2_ETR, EVENTOUT, USART2_RX, TIM2_CH1 and USART4_RTS/USART4_DE."
      },
      {
        "number": "26",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with alternate functions SPI1_SCK, TIM2_CH2, EVENTOUT, USART1_RTS/USART1_DE and USART5_TX, and additional function COMP2_INM."
      },
      {
        "number": "27",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V tolerant FM+-capable (FTf) I/O with alternate functions SPI1_MISO, TIM3_CH1, TIM22_CH1, USART1_CTS, USART5_RX and I2C3_SDA, and additional function COMP2_INP."
      },
      {
        "number": "28",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with alternate functions SPI1_MOSI, LPTIM1_IN1, I2C1_SMBA, TIM3_CH2/TIM22_CH2, USART1_CK, USART5_CK and USART5_RTS/USART5_DE, and additional function COMP2_INP."
      },
      {
        "number": "29",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V tolerant FM+-capable (FTf) I/O with alternate functions USART1_TX, I2C1_SCL and LPTIM1_ETR, and additional function COMP2_INP."
      },
      {
        "number": "30",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V tolerant FM+-capable (FTf) I/O with alternate functions USART1_RX, I2C1_SDA, LPTIM1_IN2 and USART4_CTS, and additional functions COMP2_INP and VREF_PVD_IN."
      },
      {
        "number": "31",
        "name": "BOOT0",
        "type": "input",
        "description": "Dedicated BOOT0 input pin; its boot-mode behaviour is described in Section 3.9, which is not in the supplied text."
      },
      {
        "number": "32",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin; all voltages are referenced to VSS."
      }
    ],
    "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: Figure 5 (LQFP32 pinout, page 35) text extraction is garbled and shows a VSSA label near pin 21, whi; PA0 is listed with I/O structure 'TTa' in Table 14, but the legend in Table 13 does not define TTa. ; The VDDA operating range is not given in the supplied pages (Table 20 is not included). The VDDA des"
        ],
        "pages_sent": 45,
        "cost_usd": 0.1966,
        "at": "2026-10-11T18:43:03"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603065723225067520",
        "pages": 118,
        "sha256": "532497d05b12f218",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 32,
        "described": 32,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0.0,
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        "checked": "2026-10-11",
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}