STM32L072RBI6

{
  "slug": "stm32l072rbi6",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), UFBGA-64. Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "stm32l072rbi6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm32l072rbi6.kicad_sym",
    "stm32l072rbi6.kicad_mod",
    "stm32l072rbi6.glb",
    "stm32l072rbi6.step",
    "stm32l072rbi6.lbr",
    "docs/hero.png",
    "docs/stm32l072rbi6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stm32l072rbi6-hero.glb",
    "stm32l072rbi6-hero.overlay.json"
  ],
  "component": {
    "mpn": "STM32L072RBI6",
    "manufacturer": "STMicroelectronics",
    "package": "UFBGA-64",
    "pin_count": 64,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588952154685628416",
    "parts": {
      "symbol": "stm32l072rbi6.kicad_sym",
      "footprint": "stm32l072rbi6.kicad_mod",
      "model_3d": "stm32l072rbi6-hero.glb",
      "model_3d_plain": "stm32l072rbi6.glb",
      "model_3d_step": "stm32l072rbi6-etched.step",
      "model_3d_step_plain": "stm32l072rbi6.step",
      "lbr": "stm32l072rbi6.lbr"
    },
    "distributor_links": {
      "lcsc": "C1346028",
      "digikey": "STM32L072RBI6-ND",
      "mouser": "511-STM32L072RBI6"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T05:00:14Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "STM32L072RBI6-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32L072RBI6",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "A1",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "FT (5 V tolerant) GPIO PC14, also the OSC32_IN input of the 32 kHz oscillator."
      },
      {
        "number": "A2",
        "name": "PC13",
        "type": "bidirectional",
        "description": "FT (5 V tolerant) GPIO PC13 with RTC_TAMP1/RTC_TS/RTC_OUT/WKUP2 additional functions."
      },
      {
        "number": "A3",
        "name": "PB9",
        "type": "bidirectional",
        "description": "FTf (5 V tolerant, Fast Mode Plus capable) GPIO with EVENTOUT, I2C1_SDA and SPI2_NSS/I2S2_WS alternate functions."
      },
      {
        "number": "A4",
        "name": "PB4",
        "type": "bidirectional",
        "description": "FTf (5 V tolerant, Fast Mode Plus capable) GPIO with SPI1_MISO, TIM3_CH1, TSC_G5_IO2, TIM22_CH1, USART1_CTS, USART5_RX and I2C3_SDA alternate functions, plus COMP2_INP."
      },
      {
        "number": "A5",
        "name": "PB3",
        "type": "bidirectional",
        "description": "FT (5 V tolerant) GPIO with SPI1_SCK, TIM2_CH2, TSC_G5_IO1, EVENTOUT, USART1_RTS/USART1_DE and USART5_TX alternate functions, plus COMP2_INM."
      },
      {
        "number": "A6",
        "name": "PA15",
        "type": "bidirectional",
        "description": "FT (5 V tolerant) GPIO with SPI1_NSS, TIM2_ETR, EVENTOUT, USART2_RX, TIM2_CH1 and USART4_RTS/USART4_DE alternate functions."
      },
      {
        "number": "A7",
        "name": "PA14",
        "type": "bidirectional",
        "description": "FT (5 V tolerant) GPIO with SWCLK (serial wire clock), USART2_TX and LPUART1_TX alternate functions."
      },
      {
        "number": "A8",
        "name": "PA13",
        "type": "bidirectional",
        "description": "FT (5 V tolerant) GPIO with SWDIO (serial wire data), USB_NOE and LPUART1_RX alternate functions."
      },
      {
        "number": "B1",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "TC (standard 3.3 V) GPIO PC15, also the OSC32_OUT output of the 32 kHz oscillator."
      },
      {
        "number": "B2",
        "name": "VDD",
        "type": "power_in",
        "description": "Main digital supply pin; the datasheet specifies a 1.65 V to 3.6 V power supply range."
      },
      {
        "number": "B3",
        "name": "PB8",
        "type": "bidirectional",
        "description": "FTf (5 V tolerant, Fast Mode Plus capable) GPIO with TSC_SYNC and I2C1_SCL alternate functions."
      },
      {
        "number": "B4",
        "name": "BOOT0",
        "type": "input",
        "description": "Dedicated BOOT0 boot-mode selection input pin."
      },
      {
        "number": "B5",
        "name": "PD2",
        "type": "bidirectional",
        "description": "FT (5 V tolerant) GPIO with LPUART1_RTS/LPUART1_DE, TIM3_ETR and USART5_RX alternate functions."
      },
      {
        "number": "B6",
        "name": "PC11",
        "type": "bidirectional",
        "description": "FT (5 V tolerant) GPIO with LPUART1_RX and USART4_RX alternate functions."
      },
      {
        "number": "B7",
        "name": "PC10",
        "type": "bidirectional",
        "description": "FT (5 V tolerant) GPIO with LPUART1_TX and USART4_TX alternate functions."
      },
      {
        "number": "B8",
        "name": "PA12",
        "type": "bidirectional",
        "description": "FT (5 V tolerant) GPIO powered by VDD_USB, with SPI1_MOSI, EVENTOUT, TSC_G4_IO4, USART1_RTS/USART1_DE and COMP2_OUT alternate functions and USB_DP."
      },
      {
        "number": "C1",
        "name": "PH0-OSC_IN",
        "type": "bidirectional",
        "description": "TC (standard 3.3 V) GPIO PH0, also the OSC_IN input of the 1 to 25 MHz crystal oscillator and USB_CRS_SYNC alternate function."
      },
      {
        "number": "C2",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin of the device."
      },
      {
        "number": "C3",
        "name": "PB7",
        "type": "bidirectional",
        "description": "FTf (5 V tolerant, Fast Mode Plus capable) GPIO with USART1_RX, I2C1_SDA, LPTIM1_IN2, TSC_G5_IO4 and USART4_CTS alternate functions, plus COMP2_INP and VREF_PVD_IN."
      },
      {
        "number": "C4",
        "name": "PB5",
        "type": "bidirectional",
        "description": "FT (5 V tolerant) GPIO with SPI1_MOSI, LPTIM1_IN1, I2C1_SMBA, TIM3_CH2/TIM22_CH2, USART1_CK, USART5_CK and USART5_RTS/USART5_DE alternate functions, plus COMP2_INP."
      },
      {
        "number": "C5",
        "name": "PC12",
        "type": "bidirectional",
        "description": "FT (5 V tolerant) GPIO with USART5_TX and USART4_CK alternate functions."
      },
      {
        "number": "C6",
        "name": "PA10",
        "type": "bidirectional",
        "description": "FTf (5 V tolerant, Fast Mode Plus capable) GPIO with TSC_G4_IO2, USART1_RX and I2C1_SDA alternate functions."
      },
      {
        "number": "C7",
        "name": "PA9",
        "type": "bidirectional",
        "description": "FTf (5 V tolerant, Fast Mode Plus capable) GPIO with MCO, TSC_G4_IO1, USART1_TX, I2C1_SCL and I2C3_SMBA alternate functions."
      },
      {
        "number": "C8",
        "name": "PA11",
        "type": "bidirectional",
        "description": "FT (5 V tolerant) GPIO powered by VDD_USB, with SPI1_MISO, EVENTOUT, TSC_G4_IO3, USART1_CTS and COMP1_OUT alternate functions and USB_DM."
      },
      {
        "number": "D1",
        "name": "PH1-OSC_OUT",
        "type": "bidirectional",
        "description": "TC (standard 3.3 V) GPIO PH1, also the OSC_OUT output of the crystal oscillator."
      },
      {
        "number": "D2",
        "name": "VDD",
        "type": "power_in",
        "description": "Main digital supply pin; the datasheet specifies a 1.65 V to 3.6 V power supply range."
      },
      {
        "number": "D3",
        "name": "PB6",
        "type": "bidirectional",
        "description": "FTf (5 V tolerant, Fast Mode Plus capable) GPIO with USART1_TX, I2C1_SCL, LPTIM1_ETR and TSC_G5_IO3 alternate functions, plus COMP2_INP."
      },
      {
        "number": "D4",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin of the device."
      },
      {
        "number": "D5",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin of the device."
      },
      {
        "number": "D6",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin of the device."
      },
      {
        "number": "D7",
        "name": "PA8",
        "type": "bidirectional",
        "description": "FTf (5 V tolerant, Fast Mode Plus capable) GPIO with MCO, USB_CRS_SYNC, EVENTOUT, USART1_CK and I2C3_SCL alternate functions."
      },
      {
        "number": "D8",
        "name": "PC9",
        "type": "bidirectional",
        "description": "FTf (5 V tolerant, Fast Mode Plus capable) GPIO with TIM21_ETR, USB_NOE/TIM3_CH4, TSC_G8_IO4 and I2C3_SDA alternate functions."
      },
      {
        "number": "E1",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Bidirectional reset pin with embedded weak pull-up resistor."
      },
      {
        "number": "E2",
        "name": "PC1",
        "type": "bidirectional",
        "description": "FTf (5 V tolerant, Fast Mode Plus capable) GPIO with LPTIM1_OUT, EVENTOUT, TSC_G7_IO2, LPUART1_TX and I2C3_SDA alternate functions, plus ADC_IN11."
      },
      {
        "number": "E3",
        "name": "PC0",
        "type": "bidirectional",
        "description": "FTf (5 V tolerant, Fast Mode Plus capable) GPIO with LPTIM1_IN1, EVENTOUT, TSC_G7_IO1, LPUART1_RX and I2C3_SCL alternate functions, plus ADC_IN10."
      },
      {
        "number": "E4",
        "name": "VDD",
        "type": "power_in",
        "description": "Main digital supply pin; the datasheet specifies a 1.65 V to 3.6 V power supply range."
      },
      {
        "number": "E5",
        "name": "VDD",
        "type": "power_in",
        "description": "Main digital supply pin; the datasheet specifies a 1.65 V to 3.6 V power supply range."
      },
      {
        "number": "E6",
        "name": "VDD_USB",
        "type": "power_in",
        "description": "Supply pin for the USB-related I/Os PA11 and PA12; for characteristics that refer to VDD, VDD_USB must be used instead."
      },
      {
        "number": "E7",
        "name": "PC7",
        "type": "bidirectional",
        "description": "FT (5 V tolerant) GPIO with TIM22_CH2, TIM3_CH2 and TSC_G8_IO2 alternate functions."
      },
      {
        "number": "E8",
        "name": "PC8",
        "type": "bidirectional",
        "description": "FT (5 V tolerant) GPIO with TIM22_ETR, TIM3_CH3 and TSC_G8_IO3 alternate functions."
      },
      {
        "number": "F1",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground pin."
      },
      {
        "number": "F2",
        "name": "PC2",
        "type": "bidirectional",
        "description": "FTf (5 V tolerant, Fast Mode Plus capable) GPIO with LPTIM1_IN2, SPI2_MISO/I2S2_MCK and TSC_G7_IO3 alternate functions, plus ADC_IN12."
      },
      {
        "number": "F3",
        "name": "PA2",
        "type": "bidirectional",
        "description": "FT (5 V tolerant) GPIO with TIM21_CH1, TIM2_CH3, TSC_G1_IO3, USART2_TX, LPUART1_TX and COMP2_OUT alternate functions, plus COMP2_INM and ADC_IN2."
      },
      {
        "number": "F4",
        "name": "PA5",
        "type": "bidirectional",
        "description": "TC (standard 3.3 V) GPIO with SPI1_SCK, TIM2_ETR, TSC_G2_IO2 and TIM2_CH1 alternate functions, plus COMP1_INM, COMP2_INM, ADC_IN5 and DAC_OUT2."
      },
      {
        "number": "F5",
        "name": "PB0",
        "type": "bidirectional",
        "description": "FT (5 V tolerant) GPIO with EVENTOUT, TIM3_CH3 and TSC_G3_IO2 alternate functions, plus ADC_IN8 and VREF_OUT."
      },
      {
        "number": "F6",
        "name": "PC6",
        "type": "bidirectional",
        "description": "FT (5 V tolerant) GPIO with TIM22_CH1, TIM3_CH1 and TSC_G8_IO1 alternate functions."
      },
      {
        "number": "F7",
        "name": "PB15",
        "type": "bidirectional",
        "description": "FT (5 V tolerant) GPIO with SPI2_MOSI/I2S2_SD and RTC_REFIN alternate functions."
      },
      {
        "number": "F8",
        "name": "PB14",
        "type": "bidirectional",
        "description": "FTf (5 V tolerant, Fast Mode Plus capable) GPIO with SPI2_MISO/I2S2_MCK, RTC_OUT, TSC_G6_IO4, LPUART1_RTS/LPUART1_DE, I2C2_SDA and TIM21_CH2 alternate functions."
      },
      {
        "number": "G1",
        "name": "VREF+",
        "type": "power_in",
        "description": "Positive reference voltage input for the ADC (listed as a supply pin only in the pin table; no limits given in the extract); this pin is only present on the UFBGA64/TFBGA64 ballout."
      },
      {
        "number": "G2",
        "name": "PA0",
        "type": "bidirectional",
        "description": "TT I/O structure GPIO with TIM2_CH1, TSC_G1_IO1, USART2_CTS, TIM2_ETR, USART4_TX and COMP1_OUT alternate functions, plus COMP1_INM, ADC_IN0 and RTC_TAMP2/WKUP1."
      },
      {
        "number": "G3",
        "name": "PA3",
        "type": "bidirectional",
        "description": "FT (5 V tolerant) GPIO with TIM21_CH2, TIM2_CH4, TSC_G1_IO4, USART2_RX and LPUART1_RX alternate functions, plus COMP2_INP and ADC_IN3."
      },
      {
        "number": "G4",
        "name": "PA6",
        "type": "bidirectional",
        "description": "FT (5 V tolerant) GPIO with SPI1_MISO, TIM3_CH1, TSC_G2_IO3, LPUART1_CTS, TIM22_CH1, EVENTOUT and COMP1_OUT alternate functions, plus ADC_IN6."
      },
      {
        "number": "G5",
        "name": "PB1",
        "type": "bidirectional",
        "description": "FT (5 V tolerant) GPIO with TIM3_CH4, TSC_G3_IO3 and LPUART1_RTS/LPUART1_DE alternate functions, plus ADC_IN9 and VREF_OUT."
      },
      {
        "number": "G6",
        "name": "PB2",
        "type": "bidirectional",
        "description": "FT (5 V tolerant) GPIO with LPTIM1_OUT, TSC_G3_IO4 and I2C3_SMBA alternate functions."
      },
      {
        "number": "G7",
        "name": "PB10",
        "type": "bidirectional",
        "description": "FT (5 V tolerant) GPIO with TIM2_CH3, TSC_SYNC, LPUART1_TX, SPI2_SCK, I2C2_SCL and LPUART1_RX alternate functions."
      },
      {
        "number": "G8",
        "name": "PB13",
        "type": "bidirectional",
        "description": "FTf (5 V tolerant, Fast Mode Plus capable) GPIO with SPI2_SCK/I2S2_CK, MCO, TSC_G6_IO3, LPUART1_CTS, I2C2_SCL and TIM21_CH1 alternate functions."
      },
      {
        "number": "H1",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply pin (listed as type S in the pin table; no further limits given in the extract)."
      },
      {
        "number": "H2",
        "name": "PA1",
        "type": "bidirectional",
        "description": "FT (5 V tolerant) GPIO with EVENTOUT, TIM2_CH2, TSC_G1_IO2, USART2_RTS/USART2_DE, TIM21_ETR and USART4_RX alternate functions, plus COMP1_INP and ADC_IN1."
      },
      {
        "number": "H3",
        "name": "PA4",
        "type": "bidirectional",
        "description": "TC (standard 3.3 V) GPIO with SPI1_NSS, TSC_G2_IO1, USART2_CK and TIM22_ETR alternate functions, plus COMP1_INM, COMP2_INM, ADC_IN4 and DAC_OUT1; it offers reduced touch sensing sensitivity and is recommended as sampling capacitor I/O."
      },
      {
        "number": "H4",
        "name": "PA7",
        "type": "bidirectional",
        "description": "FT (5 V tolerant) GPIO with SPI1_MOSI, TIM3_CH2, TSC_G2_IO4, TIM22_CH2, EVENTOUT and COMP2_OUT alternate functions, plus ADC_IN7."
      },
      {
        "number": "H5",
        "name": "PC4",
        "type": "bidirectional",
        "description": "FT (5 V tolerant) GPIO with EVENTOUT and LPUART1_TX alternate functions, plus ADC_IN14."
      },
      {
        "number": "H6",
        "name": "PC5",
        "type": "bidirectional",
        "description": "FT (5 V tolerant) GPIO with LPUART1_RX and TSC_G3_IO1 alternate functions, plus ADC_IN15."
      },
      {
        "number": "H7",
        "name": "PB11",
        "type": "bidirectional",
        "description": "FT (5 V tolerant) GPIO with EVENTOUT, TIM2_CH4, TSC_G6_IO1, LPUART1_RX, I2C2_SDA and LPUART1_TX alternate functions."
      },
      {
        "number": "H8",
        "name": "PB12",
        "type": "bidirectional",
        "description": "FT (5 V tolerant) GPIO with SPI2_NSS/I2S2_WS, LPUART1_RTS/LPUART1_DE, TSC_G6_IO2, I2C2_SMBA and EVENTOUT alternate functions."
      }
    ],
    "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: MPN STM32L072RBI6 maps to the UFBGA64 package (I = UFBGA, R = 64 pins, B = 128 KB). Ballout was take; PC3 (LQFP64 pin 11) has '-' in the UFBGA64/TFBGA64 column of Table 16, so PC3 is not bonded out on t; VREF+ appears only in the UFBGA64/TFBGA64 column (no LQFP64 pin number) and is listed at G1. Its lim",
          "1/64 pins cited to the wrong page (name found elsewhere): ['D4:VSS@p44']"
        ],
        "pages_sent": 80,
        "cost_usd": 0.3651,
        "at": "2026-10-08T04:59:58"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588952154685628416",
        "pages": 160,
        "sha256": "13ea53054244ac9d",
        "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": "stm32l072rbi6.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.0,
          5.0,
          0.756
        ],
        "zmin_mm": -0.006,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "2f49e811f614ad2ee15508cecac786db8987d46925c72898fe5072a5814fff1e",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm32l072rbi6-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.0,
          5.0,
          0.756
        ],
        "zmin_mm": -0.006,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "9d81dcf976ff412b4e8e344942d57249d1576a946daaee64f94266128ba91424",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}