STM32L071CZT6TR

{
  "slug": "stm32l071czt6tr",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "stm32l071czt6tr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm32l071czt6tr.kicad_sym",
    "stm32l071czt6tr.kicad_mod",
    "stm32l071czt6tr.glb",
    "stm32l071czt6tr.step",
    "stm32l071czt6tr.lbr",
    "docs/hero.png",
    "docs/stm32l071czt6tr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "STM32L071CZT6TR",
    "manufacturer": "STMicroelectronics",
    "package": "LQFP-48(7x7)",
    "pin_count": 48,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588941838254280704",
    "parts": {
      "symbol": "stm32l071czt6tr.kicad_sym",
      "footprint": "stm32l071czt6tr.kicad_mod",
      "model_3d": "stm32l071czt6tr-etched.glb",
      "model_3d_plain": "stm32l071czt6tr.glb",
      "model_3d_step": "stm32l071czt6tr-etched.step",
      "model_3d_step_plain": "stm32l071czt6tr.step",
      "lbr": "stm32l071czt6tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2053456",
      "digikey": "497-18818-2-ND",
      "mouser": "511-STM32L071CZT6TR"
    },
    "distributor_check": {
      "checked_at": "2026-10-01T15:39:36Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-18818-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32L071CZT6TR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Main positive power supply pin, 1.65 V to 3.6 V"
      },
      {
        "number": "2",
        "name": "PC13",
        "type": "bidirectional",
        "description": "General-purpose I/O port C bit 13, supporting RTC tamper input 1, RTC timestamp, RTC output, and wakeup 2"
      },
      {
        "number": "3",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "Port C bit 14 with 32.768 kHz oscillator input function capability"
      },
      {
        "number": "4",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "Port C bit 15 with 32.768 kHz oscillator output function capability"
      },
      {
        "number": "5",
        "name": "PH0-OSC_IN",
        "type": "bidirectional",
        "description": "Port H bit 0 with high-speed oscillator input function capability"
      },
      {
        "number": "6",
        "name": "PH1-OSC_OUT",
        "type": "bidirectional",
        "description": "Port H bit 1 with high-speed oscillator output function capability"
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Reset input pin with embedded weak pull-up resistor, active low"
      },
      {
        "number": "8",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground pin for ADC and comparator reference"
      },
      {
        "number": "9",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog power supply pin for ADC and comparators, 1.65 V to 3.6 V"
      },
      {
        "number": "10",
        "name": "PA0",
        "type": "bidirectional",
        "description": "General-purpose I/O port A bit 0, TTL input, supporting ADC channel 0, COMP1 negative input, RTC tamper/wakeup, TIM2 and USART functions"
      },
      {
        "number": "11",
        "name": "PA1",
        "type": "bidirectional",
        "description": "General-purpose I/O port A bit 1, 5V tolerant, supporting ADC channel 1, COMP1 positive input, TIM2 and USART functions"
      },
      {
        "number": "12",
        "name": "PA2",
        "type": "bidirectional",
        "description": "General-purpose I/O port A bit 2, 5V tolerant, supporting ADC channel 2, COMP2 negative input, TIM2 and USART functions"
      },
      {
        "number": "13",
        "name": "PA3",
        "type": "bidirectional",
        "description": "General-purpose I/O port A bit 3, 5V tolerant, supporting ADC channel 3, COMP2 positive input, TIM2 and USART functions"
      },
      {
        "number": "14",
        "name": "PA4",
        "type": "bidirectional",
        "description": "General-purpose I/O port A bit 4, standard 3.3V I/O, supporting ADC channel 4, COMP1/COMP2 negative input, SPI and TIM functions"
      },
      {
        "number": "15",
        "name": "PA5",
        "type": "bidirectional",
        "description": "General-purpose I/O port A bit 5, standard 3.3V I/O, supporting ADC channel 5, COMP1/COMP2 negative input, SPI and TIM functions"
      },
      {
        "number": "16",
        "name": "PA6",
        "type": "bidirectional",
        "description": "General-purpose I/O port A bit 6, 5V tolerant, supporting ADC channel 6, COMP1 output, SPI and TIM functions"
      },
      {
        "number": "17",
        "name": "PA7",
        "type": "bidirectional",
        "description": "General-purpose I/O port A bit 7, 5V tolerant, supporting ADC channel 7, COMP2 output, SPI and TIM functions"
      },
      {
        "number": "18",
        "name": "PB0",
        "type": "bidirectional",
        "description": "General-purpose I/O port B bit 0, 5V tolerant, supporting ADC channel 8, VREF output, TIM3 functions"
      },
      {
        "number": "19",
        "name": "PB1",
        "type": "bidirectional",
        "description": "General-purpose I/O port B bit 1, 5V tolerant, supporting ADC channel 9, VREF output, TIM3 and LPUART functions"
      },
      {
        "number": "20",
        "name": "PB2",
        "type": "bidirectional",
        "description": "General-purpose I/O port B bit 2, 5V tolerant, supporting LPTIM1 output and I2C3 SMBus alert functions"
      },
      {
        "number": "21",
        "name": "PB10",
        "type": "bidirectional",
        "description": "General-purpose I/O port B bit 10, 5V tolerant, supporting TIM2, LPUART, SPI2 and I2C2 functions"
      },
      {
        "number": "22",
        "name": "PB11",
        "type": "bidirectional",
        "description": "General-purpose I/O port B bit 11, 5V tolerant, supporting TIM2, LPUART and I2C2 functions"
      },
      {
        "number": "23",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin, 0 V reference for digital circuits"
      },
      {
        "number": "24",
        "name": "VDD",
        "type": "power_in",
        "description": "Main positive power supply pin, 1.65 V to 3.6 V"
      },
      {
        "number": "25",
        "name": "PB12",
        "type": "bidirectional",
        "description": "General-purpose I/O port B bit 12, 5V tolerant, supporting SPI2/I2S2, LPUART and I2C2 functions"
      },
      {
        "number": "26",
        "name": "PB13",
        "type": "bidirectional",
        "description": "General-purpose I/O port B bit 13, 5V tolerant with FM+ capability, supporting SPI2/I2S2, MCO, LPUART and I2C2 functions"
      },
      {
        "number": "27",
        "name": "PB14",
        "type": "bidirectional",
        "description": "General-purpose I/O port B bit 14, 5V tolerant with FM+ capability, supporting SPI2/I2S2, RTC, LPUART and I2C2 functions"
      },
      {
        "number": "28",
        "name": "PB15",
        "type": "bidirectional",
        "description": "General-purpose I/O port B bit 15, 5V tolerant, supporting SPI2/I2S2 and RTC functions"
      },
      {
        "number": "29",
        "name": "PA8",
        "type": "bidirectional",
        "description": "General-purpose I/O port A bit 8, 5V tolerant with FM+ capability, supporting MCO, USART1, I2C3 and event output functions"
      },
      {
        "number": "30",
        "name": "PA9",
        "type": "bidirectional",
        "description": "General-purpose I/O port A bit 9, 5V tolerant with FM+ capability, supporting MCO, USART1, I2C1/I2C3 and event output functions"
      },
      {
        "number": "31",
        "name": "PA10",
        "type": "bidirectional",
        "description": "General-purpose I/O port A bit 10, 5V tolerant with FM+ capability, supporting USART1 and I2C1 functions"
      },
      {
        "number": "32",
        "name": "PA11",
        "type": "bidirectional",
        "description": "General-purpose I/O port A bit 11 supplied by VDDIO2, 5V tolerant, supporting SPI1, USART1 and COMP1 functions"
      },
      {
        "number": "33",
        "name": "PA12",
        "type": "bidirectional",
        "description": "General-purpose I/O port A bit 12 supplied by VDDIO2, 5V tolerant, supporting SPI1, USART1 and COMP2 functions"
      },
      {
        "number": "34",
        "name": "PA13",
        "type": "bidirectional",
        "description": "General-purpose I/O port A bit 13, 5V tolerant, supporting SWDIO debug interface and LPUART1 receive functions"
      },
      {
        "number": "35",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin, 0 V reference for digital circuits"
      },
      {
        "number": "36",
        "name": "VDDIO2",
        "type": "power_in",
        "description": "Isolated positive power supply for PA11 and PA12 pins, 1.65 V to 3.6 V"
      },
      {
        "number": "37",
        "name": "PA14",
        "type": "bidirectional",
        "description": "General-purpose I/O port A bit 14, 5V tolerant, supporting SWCLK debug interface and LPUART1 transmit functions"
      },
      {
        "number": "38",
        "name": "PA15",
        "type": "bidirectional",
        "description": "General-purpose I/O port A bit 15, 5V tolerant, supporting SPI1, TIM2, USART and USART4 functions"
      },
      {
        "number": "39",
        "name": "PB3",
        "type": "bidirectional",
        "description": "General-purpose I/O port B bit 3, 5V tolerant, supporting SPI1, TIM2, USART1 and COMP2 negative input functions"
      },
      {
        "number": "40",
        "name": "PB4",
        "type": "bidirectional",
        "description": "General-purpose I/O port B bit 4, 5V tolerant with FM+ capability, supporting SPI1, TIM3/TIM22, USART1 and COMP2 positive input functions"
      },
      {
        "number": "41",
        "name": "PB5",
        "type": "bidirectional",
        "description": "General-purpose I/O port B bit 5, 5V tolerant, supporting SPI1, LPTIM1, I2C1 and COMP2 functions"
      },
      {
        "number": "42",
        "name": "PB6",
        "type": "bidirectional",
        "description": "General-purpose I/O port B bit 6, 5V tolerant with FM+ capability, supporting USART1, I2C1 and LPTIM1 functions"
      },
      {
        "number": "43",
        "name": "PB7",
        "type": "bidirectional",
        "description": "General-purpose I/O port B bit 7, 5V tolerant with FM+ capability, supporting USART1, I2C1, LPTIM1, COMP2 and VREF_PVD functions"
      },
      {
        "number": "44",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot mode selection pin, selects between boot from main flash memory or system memory"
      },
      {
        "number": "45",
        "name": "PB8",
        "type": "bidirectional",
        "description": "General-purpose I/O port B bit 8, 5V tolerant with FM+ capability, supporting I2C1 clock function"
      },
      {
        "number": "46",
        "name": "PB9",
        "type": "bidirectional",
        "description": "General-purpose I/O port B bit 9, 5V tolerant with FM+ capability, supporting I2C1 data and SPI2/I2S2 functions"
      },
      {
        "number": "47",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin, 0 V reference for digital circuits"
      },
      {
        "number": "48",
        "name": "VDD",
        "type": "power_in",
        "description": "Main positive power supply pin, 1.65 V to 3.6 V"
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: VREF+ and VREF- pins are documented in LQFP64, LQFP100, and other packages but not included in the L; PA11 and PA12 are noted in the datasheet as supplied by VDDIO2 (isolated power supply) and this is a",
          "22/48 pins cited to the wrong page (name found elsewhere): ['21:PB10@p41', '22:PB11@p41', '25:PB12@p41', '26:PB13@p41']"
        ],
        "pages_sent": 74,
        "cost_usd": 0.4507,
        "at": "2026-10-01T15:39:13"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588941838254280704",
        "pages": 148,
        "sha256": "f413c7ce36b98e6c",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 48,
        "described": 48,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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}