STM32L073RZT6TR

{
  "schema_version": 1,
  "type": "component",
  "slug": "stm32l073rzt6tr",
  "title": "STM32L073RZT6TR",
  "brief": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-64(10x10). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "embedded processors & controllers",
    "stm32l073rzt6tr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "STM32L073RZT6TR",
    "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/8590308820951343104",
    "parts": {
      "symbol": "stm32l073rzt6tr.kicad_sym",
      "footprint": "stm32l073rzt6tr.kicad_mod",
      "model_3d": "stm32l073rzt6tr-hero.glb",
      "model_3d_plain": "stm32l073rzt6tr.glb",
      "model_3d_step": "stm32l073rzt6tr-etched.step",
      "model_3d_step_plain": "stm32l073rzt6tr.step",
      "lbr": "stm32l073rzt6tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C3231037",
      "digikey": "497-STM32L073RZT6TR-ND",
      "mouser": "511-STM32L073RZT6TR"
    },
    "distributor_check": {
      "checked_at": "2026-10-07T01:35:05Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-STM32L073RZT6TR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32L073RZT6TR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VLCD",
        "type": "power_in",
        "description": "LCD supply pin; its voltage can be monitored through ADC_IN16 via LCD_VLCD1."
      },
      {
        "number": "2",
        "name": "PC13",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; additional functions RTC_TAMP1/RTC_TS/RTC_OUT/WKUP2."
      },
      {
        "number": "3",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (PC14) with OSC32_IN additional function for the 32 kHz oscillator."
      },
      {
        "number": "4",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O (PC15) with OSC32_OUT additional function for the 32 kHz oscillator."
      },
      {
        "number": "5",
        "name": "PH0-OSC_IN",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O (PH0) with OSC_IN crystal oscillator input; alternate function USB_CRS_SYNC."
      },
      {
        "number": "6",
        "name": "PH1-OSC_OUT",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O (PH1) with OSC_OUT crystal oscillator output."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Bidirectional reset pin with embedded weak pull-up resistor."
      },
      {
        "number": "8",
        "name": "PC0",
        "type": "bidirectional",
        "description": "5 V tolerant FM+ capable I/O; LPTIM1_IN1, LCD_SEG18, TSC_G7_IO1, LPUART1_RX, I2C3_SCL, ADC_IN10."
      },
      {
        "number": "9",
        "name": "PC1",
        "type": "bidirectional",
        "description": "5 V tolerant FM+ capable I/O; LPTIM1_OUT, LCD_SEG19, TSC_G7_IO2, LPUART1_TX, I2C3_SDA, ADC_IN11."
      },
      {
        "number": "10",
        "name": "PC2",
        "type": "bidirectional",
        "description": "5 V tolerant FM+ capable I/O; LPTIM1_IN2, LCD_SEG20, SPI2_MISO/I2S2_MCK, TSC_G7_IO3, ADC_IN12."
      },
      {
        "number": "11",
        "name": "PC3",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; LPTIM1_ETR, LCD_SEG21, SPI2_MOSI/I2S2_SD, TSC_G7_IO4, ADC_IN13."
      },
      {
        "number": "12",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground supply pin."
      },
      {
        "number": "13",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply pin."
      },
      {
        "number": "14",
        "name": "PA0",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O; TIM2_CH1, TSC_G1_IO1, USART2_CTS, USART4_TX, COMP1_OUT, COMP1_INM, ADC_IN0, RTC_TAMP2/WKUP1."
      },
      {
        "number": "15",
        "name": "PA1",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; LCD_SEG0, TIM2_CH2, USART2_RTS/DE, USART4_RX, COMP1_INP, ADC_IN1."
      },
      {
        "number": "16",
        "name": "PA2",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; TIM21_CH1, LCD_SEG1, TIM2_CH3, USART2_TX, LPUART1_TX, COMP2_OUT, COMP2_INM, ADC_IN2."
      },
      {
        "number": "17",
        "name": "PA3",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; TIM21_CH2, LCD_SEG2, TIM2_CH4, USART2_RX, LPUART1_RX, COMP2_INP, ADC_IN3."
      },
      {
        "number": "18",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground supply pin."
      },
      {
        "number": "19",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply pin."
      },
      {
        "number": "20",
        "name": "PA4",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O; SPI1_NSS, USART2_CK, ADC_IN4, DAC_OUT1; reduced touch sensing sensitivity, use as sampling capacitor I/O."
      },
      {
        "number": "21",
        "name": "PA5",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O; SPI1_SCK, TIM2_ETR, ADC_IN5, DAC_OUT2; reduced touch sensing sensitivity, use as sampling capacitor I/O."
      },
      {
        "number": "22",
        "name": "PA6",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; SPI1_MISO, LCD_SEG3, TIM3_CH1, LPUART1_CTS, TIM22_CH1, COMP1_OUT, ADC_IN6."
      },
      {
        "number": "23",
        "name": "PA7",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; SPI1_MOSI, LCD_SEG4, TIM3_CH2, TIM22_CH2, COMP2_OUT, ADC_IN7."
      },
      {
        "number": "24",
        "name": "PC4",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; LCD_SEG22, LPUART1_TX, ADC_IN14."
      },
      {
        "number": "25",
        "name": "PC5",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; LCD_SEG23, LPUART1_RX, TSC_G3_IO1, ADC_IN15."
      },
      {
        "number": "26",
        "name": "PB0",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; LCD_SEG5, TIM3_CH3, TSC_G3_IO2, LCD_VLCD3, ADC_IN8, VREF_OUT."
      },
      {
        "number": "27",
        "name": "PB1",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; LCD_SEG6, TIM3_CH4, LPUART1_RTS/DE, ADC_IN9, VREF_OUT."
      },
      {
        "number": "28",
        "name": "PB2",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; LPTIM1_OUT, TSC_G3_IO4, I2C3_SMBA, LCD_VLCD2."
      },
      {
        "number": "29",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; LCD_SEG10, TIM2_CH3, TSC_SYNC, LPUART1_TX/RX, SPI2_SCK, I2C2_SCL."
      },
      {
        "number": "30",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; LCD_SEG11, TIM2_CH4, TSC_G6_IO1, LPUART1_RX/TX, I2C2_SDA."
      },
      {
        "number": "31",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground supply pin."
      },
      {
        "number": "32",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply pin."
      },
      {
        "number": "33",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; SPI2_NSS/I2S2_WS, LCD_SEG12, LPUART1_RTS/DE, I2C2_SMBA, LCD_VLCD1."
      },
      {
        "number": "34",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5 V tolerant FM+ capable I/O; SPI2_SCK/I2S2_CK, LCD_SEG13, MCO, LPUART1_CTS, I2C2_SCL, TIM21_CH1."
      },
      {
        "number": "35",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5 V tolerant FM+ capable I/O; SPI2_MISO/I2S2_MCK, LCD_SEG14, RTC_OUT, LPUART1_RTS/DE, I2C2_SDA, TIM21_CH2."
      },
      {
        "number": "36",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; SPI2_MOSI/I2S2_SD, LCD_SEG15, RTC_REFIN."
      },
      {
        "number": "37",
        "name": "PC6",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; TIM22_CH1, LCD_SEG24, TIM3_CH1, TSC_G8_IO1."
      },
      {
        "number": "38",
        "name": "PC7",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; TIM22_CH2, LCD_SEG25, TIM3_CH2, TSC_G8_IO2."
      },
      {
        "number": "39",
        "name": "PC8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; TIM22_ETR, LCD_SEG26, TIM3_CH3, TSC_G8_IO3."
      },
      {
        "number": "40",
        "name": "PC9",
        "type": "bidirectional",
        "description": "5 V tolerant FM+ capable I/O; TIM21_ETR, LCD_SEG27, USB_NOE/TIM3_CH4, I2C3_SDA."
      },
      {
        "number": "41",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V tolerant FM+ capable I/O; MCO, LCD_COM0, USB_CRS_SYNC, USART1_CK, I2C3_SCL."
      },
      {
        "number": "42",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V tolerant FM+ capable I/O; MCO, LCD_COM1, TSC_G4_IO1, USART1_TX, I2C1_SCL, I2C3_SMBA."
      },
      {
        "number": "43",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V tolerant FM+ capable I/O; LCD_COM2, TSC_G4_IO2, USART1_RX, I2C1_SDA."
      },
      {
        "number": "44",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O powered by VDD_USB; USB_DM, SPI1_MISO, USART1_CTS, COMP1_OUT."
      },
      {
        "number": "45",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O powered by VDD_USB; USB_DP, SPI1_MOSI, USART1_RTS/DE, COMP2_OUT."
      },
      {
        "number": "46",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; SWDIO after reset, USB_NOE, LPUART1_RX."
      },
      {
        "number": "47",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground supply pin."
      },
      {
        "number": "48",
        "name": "VDD_USB",
        "type": "power_in",
        "description": "Supply pin for the USB I/Os (PA11/PA12); VDD_USB must be used instead of VDD for their characteristics."
      },
      {
        "number": "49",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; SWCLK after reset, USART2_TX, LPUART1_TX."
      },
      {
        "number": "50",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; SPI1_NSS, LCD_SEG17, TIM2_ETR, USART2_RX, TIM2_CH1, USART4_RTS/DE."
      },
      {
        "number": "51",
        "name": "PC10",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; LPUART1_TX, LCD_COM4/LCD_SEG28/LCD_SEG48, USART4_TX."
      },
      {
        "number": "52",
        "name": "PC11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; LPUART1_RX, LCD_COM5/LCD_SEG29/LCD_SEG49, USART4_RX."
      },
      {
        "number": "53",
        "name": "PC12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; LCD_COM6/LCD_SEG30/LCD_SEG50, USART5_TX, USART4_CK."
      },
      {
        "number": "54",
        "name": "PD2",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; LPUART1_RTS/DE, LCD_COM7/LCD_SEG31/LCD_SEG51, TIM3_ETR, USART5_RX."
      },
      {
        "number": "55",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; SPI1_SCK, LCD_SEG7, TIM2_CH2, USART1_RTS/DE, USART5_TX, COMP2_INM."
      },
      {
        "number": "56",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V tolerant FM+ capable I/O; SPI1_MISO, LCD_SEG8, TIM3_CH1, TIM22_CH1, USART1_CTS, USART5_RX, I2C3_SDA, COMP2_INP."
      },
      {
        "number": "57",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; SPI1_MOSI, LCD_SEG9, LPTIM1_IN1, I2C1_SMBA, USART1_CK, USART5_CK, COMP2_INP."
      },
      {
        "number": "58",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V tolerant FM+ capable I/O; USART1_TX, I2C1_SCL, LPTIM1_ETR, TSC_G5_IO3, COMP2_INP."
      },
      {
        "number": "59",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V tolerant FM+ capable I/O; USART1_RX, I2C1_SDA, LPTIM1_IN2, USART4_CTS, COMP2_INP, PVD_IN."
      },
      {
        "number": "60",
        "name": "BOOT0",
        "type": "input",
        "description": "Dedicated BOOT0 input pin selecting boot mode."
      },
      {
        "number": "61",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V tolerant FM+ capable I/O; LCD_SEG16, TSC_SYNC, I2C1_SCL."
      },
      {
        "number": "62",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V tolerant FM+ capable I/O; LCD_COM3, I2C1_SDA, SPI2_NSS/I2S2_WS."
      },
      {
        "number": "63",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground supply pin."
      },
      {
        "number": "64",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply pin."
      }
    ],
    "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: PA4 and PA5 have reduced touch sensing sensitivity according to Table 16 note 1; recommended to use ; PA11 and PA12 are powered by VDD_USB; for all electrical characteristics that refer to VDD, VDD_USB ",
          "23/64 pins cited to the wrong page (name found elsewhere): ['27:PD2@p45', '28:PC12@p45', '29:PC11@p45', '30:PC10@p45']"
        ],
        "pages_sent": 77,
        "cost_usd": 0.4963,
        "at": "2026-10-07T01:34:36"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590308820951343104",
        "pages": 163,
        "sha256": "2453eed55752e9c7",
        "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": [
      {
        "file": "stm32l073rzt6tr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b0c827bc5c05552175d28affe44a5bd2ab45c9c36efff6ff07a74cc449b13db4",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm32l073rzt6tr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3c61281754f867b9d451ed76813e0eceda3c7e0e65166f8948d527eb39a24bbe",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "LQFP-64(10x10)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "64"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "stm32l073rzt6tr"
  ],
  "discovery_pitch": "STM32L073RZT6TR (STMicroelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm32l073rzt6tr.kicad_sym",
    "stm32l073rzt6tr.kicad_mod",
    "stm32l073rzt6tr.glb",
    "stm32l073rzt6tr.step",
    "stm32l073rzt6tr.lbr",
    "docs/hero.png",
    "docs/stm32l073rzt6tr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stm32l073rzt6tr-hero.glb",
    "stm32l073rzt6tr-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}