STM32L152C8U6A

{
  "schema_version": 1,
  "type": "component",
  "slug": "stm32l152c8u6a",
  "title": "STM32L152C8U6A",
  "brief": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), UFQFPN-48(7x7). 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",
    "stm32l152c8u6a",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "STM32L152C8U6A",
    "manufacturer": "STMicroelectronics",
    "package": "UFQFPN-48(7x7)",
    "pin_count": 49,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588923062125674496",
    "parts": {
      "symbol": "stm32l152c8u6a.kicad_sym",
      "footprint": "stm32l152c8u6a.kicad_mod",
      "model_3d": "stm32l152c8u6a-hero.glb",
      "model_3d_plain": "stm32l152c8u6a.glb",
      "model_3d_step": "stm32l152c8u6a-etched.step",
      "model_3d_step_plain": "stm32l152c8u6a.step",
      "lbr": "stm32l152c8u6a.lbr"
    },
    "distributor_links": {
      "lcsc": "C1338311",
      "digikey": "497-18956-ND",
      "mouser": "511-STM32L152C8U6A"
    },
    "distributor_check": {
      "checked_at": "2026-10-07T23:25:19Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-18956-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32L152C8U6A",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VLCD",
        "type": "power_in",
        "description": "LCD power supply pin, applicable to STM32L152xx devices only; on STM32L151xx devices this pin must be connected to VDD."
      },
      {
        "number": "2",
        "name": "PC13-WKUP2",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with default function PC13, also usable as wakeup pin WKUP2 and for RTC_TAMP1/RTC_TS/RTC_OUT."
      },
      {
        "number": "3",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "Standard 3.3 V (TC) I/O that functions as the OSC32_IN LSE oscillator pin only when the LSE is on (LSEON in RCC_CSR), otherwise it is GPIO PC14."
      },
      {
        "number": "4",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "Standard 3.3 V (TC) I/O that functions as the OSC32_OUT LSE oscillator pin only when the LSE is on (LSEON in RCC_CSR), otherwise it is GPIO PC15."
      },
      {
        "number": "5",
        "name": "PH0-OSC_IN",
        "type": "bidirectional",
        "description": "Standard 3.3 V (TC) I/O that functions as the OSC_IN HSE oscillator pin only when the HSE is on (HSEON in RCC_CR), otherwise it is GPIO PH0."
      },
      {
        "number": "6",
        "name": "PH1-OSC_OUT",
        "type": "bidirectional",
        "description": "Standard 3.3 V (TC) I/O that functions as the OSC_OUT HSE oscillator pin only when the HSE is on (HSEON in RCC_CR), otherwise it is GPIO PH1."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Bidirectional active-low reset pin with an embedded weak pull-up resistor."
      },
      {
        "number": "8",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground pin, which must be tied to ground."
      },
      {
        "number": "9",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog power supply pin, specified from 1.8 V to 3.6 V."
      },
      {
        "number": "10",
        "name": "PA0-WKUP1",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with wakeup function WKUP1, ADC_IN0 and COMP1_INP analog inputs, and USART2_CTS/TIM2_CH1_ETR alternate functions."
      },
      {
        "number": "11",
        "name": "PA1",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with ADC_IN1 and COMP1_INP analog inputs, and USART2_RTS, TIM2_CH2 and LCD_SEG0 alternate functions."
      },
      {
        "number": "12",
        "name": "PA2",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with ADC_IN2 and COMP1_INP analog inputs, and USART2_TX, TIM2_CH3, TIM9_CH1 and LCD_SEG1 alternate functions."
      },
      {
        "number": "13",
        "name": "PA3",
        "type": "bidirectional",
        "description": "Standard 3.3 V (TC) I/O with ADC_IN3 and COMP1_INP analog inputs, and USART2_RX, TIM2_CH4, TIM9_CH2 and LCD_SEG2 alternate functions."
      },
      {
        "number": "14",
        "name": "PA4",
        "type": "bidirectional",
        "description": "Standard 3.3 V (TC) I/O with ADC_IN4, DAC_OUT1 and COMP1_INP analog functions, and SPI1_NSS/USART2_CK alternate functions."
      },
      {
        "number": "15",
        "name": "PA5",
        "type": "bidirectional",
        "description": "Standard 3.3 V (TC) I/O with ADC_IN5, DAC_OUT2 and COMP1_INP analog functions, and SPI1_SCK/TIM2_CH1_ETR alternate functions."
      },
      {
        "number": "16",
        "name": "PA6",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with ADC_IN6 and COMP1_INP analog inputs, and SPI1_MISO, TIM3_CH1, LCD_SEG3 and TIM10_CH1 alternate functions."
      },
      {
        "number": "17",
        "name": "PA7",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with ADC_IN7 and COMP1_INP analog inputs, and SPI1_MOSI, TIM3_CH2, LCD_SEG4 and TIM11_CH1 alternate functions."
      },
      {
        "number": "18",
        "name": "PB0",
        "type": "bidirectional",
        "description": "Standard 3.3 V (TC) I/O with ADC_IN8, COMP1_INP and VREF_OUT analog functions, and TIM3_CH3 and LCD_SEG5 alternate functions."
      },
      {
        "number": "19",
        "name": "PB1",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with ADC_IN9, COMP1_INP and VREF_OUT analog functions, and TIM3_CH4 and LCD_SEG6 alternate functions."
      },
      {
        "number": "20",
        "name": "PB2/BOOT1",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O whose main function is PB2/BOOT1 for boot mode selection."
      },
      {
        "number": "21",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with I2C2_SCL, USART3_TX, TIM2_CH3 and LCD_SEG10 alternate functions."
      },
      {
        "number": "22",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with I2C2_SDA, USART3_RX, TIM2_CH4 and LCD_SEG11 alternate functions."
      },
      {
        "number": "23",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Ground pin for the digital supply domain."
      },
      {
        "number": "24",
        "name": "VDD_1",
        "type": "power_in",
        "description": "Digital supply pin; the datasheet states a device power supply range of 1.65 V to 3.6 V."
      },
      {
        "number": "25",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with ADC_IN18 and COMP1_INP analog inputs, and SPI2_NSS, I2C2_SMBA, USART3_CK, LCD_SEG12 and TIM10_CH1 alternate functions."
      },
      {
        "number": "26",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with ADC_IN19 and COMP1_INP analog inputs, and SPI2_SCK, USART3_CTS, LCD_SEG13 and TIM9_CH1 alternate functions."
      },
      {
        "number": "27",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with ADC_IN20 and COMP1_INP analog inputs, and SPI2_MISO, USART3_RTS, LCD_SEG14 and TIM9_CH2 alternate functions."
      },
      {
        "number": "28",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with ADC_IN21, COMP1_INP and RTC_REFIN analog functions, and SPI2_MOSI, LCD_SEG15 and TIM11_CH1 alternate functions."
      },
      {
        "number": "29",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with USART1_CK, MCO and LCD_COM0 alternate functions."
      },
      {
        "number": "30",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with USART1_TX and LCD_COM1 alternate functions."
      },
      {
        "number": "31",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with USART1_RX and LCD_COM2 alternate functions."
      },
      {
        "number": "32",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with USART1_CTS, SPI1_MISO and USB_DM alternate functions."
      },
      {
        "number": "33",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with USART1_RTS, SPI1_MOSI and USB_DP alternate functions."
      },
      {
        "number": "34",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O whose main function is JTMS-SWDIO (serial wire debug data)."
      },
      {
        "number": "35",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Ground pin for the digital supply domain."
      },
      {
        "number": "36",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Digital supply pin; the datasheet states a device power supply range of 1.65 V to 3.6 V."
      },
      {
        "number": "37",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O whose main function is JTCK-SWCLK (serial wire debug clock)."
      },
      {
        "number": "38",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with JTDI, TIM2_CH1_ETR, SPI1_NSS and LCD_SEG17 alternate functions."
      },
      {
        "number": "39",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with JTDO, TIM2_CH2, SPI1_SCK, LCD_SEG7 and COMP2_INM alternate functions."
      },
      {
        "number": "40",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with NJTRST, TIM3_CH1, SPI1_MISO, LCD_SEG8 and COMP2_INP alternate functions."
      },
      {
        "number": "41",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with I2C1_SMBA, TIM3_CH2, SPI1_MOSI, LCD_SEG9 and COMP2_INP alternate functions."
      },
      {
        "number": "42",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with I2C1_SCL, TIM4_CH1 and USART1_TX alternate functions."
      },
      {
        "number": "43",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with I2C1_SDA, TIM4_CH2, USART1_RX and PVD_IN alternate functions."
      },
      {
        "number": "44",
        "name": "BOOT0",
        "type": "input",
        "description": "Dedicated BOOT0 pin used to select the boot mode."
      },
      {
        "number": "45",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with TIM4_CH3, I2C1_SCL, LCD_SEG16 and TIM10_CH1 alternate functions."
      },
      {
        "number": "46",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with TIM4_CH4, I2C1_SDA, LCD_COM3 and TIM11_CH1 alternate functions."
      },
      {
        "number": "47",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Ground pin for the digital supply domain."
      },
      {
        "number": "48",
        "name": "VDD_3",
        "type": "power_in",
        "description": "Digital supply pin; the datasheet states a device power supply range of 1.65 V to 3.6 V."
      },
      {
        "number": "49",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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: The MPN ends in the suffix 'A' (STM32L152C8U6A). The datasheet's own caution on page 9 states it 'do; The UFQFPN48 package has an exposed die pad on its underside (Figure 41, note 3). It has no numbered; Pin 1 (VLCD) is an LCD supply that is only applicable to STM32L152xx devices. The MPN is L152, so th",
          "exposed pad 49 added from the footprint"
        ],
        "pages_sent": 62,
        "cost_usd": 1.1874,
        "at": "2026-10-07T23:24:56"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588923062125674496",
        "pages": 133,
        "sha256": "5223296de36fe904",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 49,
        "described": 49,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f2b38b0b4bf967c77e683e8d4599608b9f0503055ec535b93c4ebb5d0163e916",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm32l152c8u6a-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "footprint_binding": "identity",
        "sha256": "846df80d05c5d620d7b85cee387c7ecb6fb4d78295f6e3127ed51322551bd206",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "UFQFPN-48(7x7)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "49"
    }
  },
  "variants": [],
  "sections": [
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    "breadcrumbs",
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  "discovery_triggers": [
    "stm32l152c8u6a"
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  "discovery_pitch": "STM32L152C8U6A (STMicroelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}