STM32L151ZDT6

{
  "slug": "stm32l151zdt6",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-144(20x20). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "stm32l151zdt6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
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    "stm32l151zdt6.step",
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    "docs/hero.png",
    "docs/stm32l151zdt6-datasheet.pdf",
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    "viewers/footprint.html",
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    "stm32l151zdt6-hero.overlay.json"
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  "component": {
    "mpn": "STM32L151ZDT6",
    "manufacturer": "STMicroelectronics",
    "package": "LQFP-144(20x20)",
    "pin_count": 144,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588922786551107584",
    "parts": {
      "symbol": "stm32l151zdt6.kicad_sym",
      "footprint": "stm32l151zdt6.kicad_mod",
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      "model_3d_step_plain": "stm32l151zdt6.step",
      "lbr": "stm32l151zdt6.lbr"
    },
    "distributor_links": {
      "lcsc": "C1339638",
      "digikey": "497-17532-ND",
      "mouser": "511-STM32L151ZDT6"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T02:10:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-17532-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32L151ZDT6",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PE2",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PE2; alternate functions TIM3_ETR, LCD_SEG38, TRACECLK, FSMC_A23."
      },
      {
        "number": "2",
        "name": "PE3",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PE3; alternate functions TIM3_CH1, LCD_SEG39, TRACED0, FSMC_A19."
      },
      {
        "number": "3",
        "name": "PE4",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PE4; alternate functions TIM3_CH2, TRACED1, FSMC_A20."
      },
      {
        "number": "4",
        "name": "PE5",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PE5; alternate functions TIM9_CH1, TRACED2, FSMC_A21."
      },
      {
        "number": "5",
        "name": "PE6-WKUP3",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PE6; alternate functions TIM9_CH2, TRACED3; additional function WKUP3 (wakeup) and RTC_TAMP3."
      },
      {
        "number": "6",
        "name": "VLCD",
        "type": "power_in",
        "description": "LCD power supply pin; the datasheet states it applies to STM32L152xD devices only and that on STM32L151xD devices it must be connected to VDD."
      },
      {
        "number": "7",
        "name": "PC13-WKUP2",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PC13; additional functions WKUP2, RTC_TAMP1, RTC_TS, RTC_OUT."
      },
      {
        "number": "8",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "Standard 3.3 V (TC) I/O with reset default PC14; becomes OSC32_IN only when the LSE oscillator is on (LSEON), otherwise usable as GPIO."
      },
      {
        "number": "9",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "Standard 3.3 V (TC) I/O with reset default PC15; becomes OSC32_OUT only when the LSE oscillator is on (LSEON), otherwise usable as GPIO."
      },
      {
        "number": "10",
        "name": "PF0",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PF0; alternate function FSMC_A0."
      },
      {
        "number": "11",
        "name": "PF1",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PF1; alternate function FSMC_A1."
      },
      {
        "number": "12",
        "name": "PF2",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PF2; alternate function FSMC_A2."
      },
      {
        "number": "13",
        "name": "PF3",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PF3; alternate function FSMC_A3."
      },
      {
        "number": "14",
        "name": "PF4",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PF4; alternate function FSMC_A4."
      },
      {
        "number": "15",
        "name": "PF5",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PF5; alternate function FSMC_A5."
      },
      {
        "number": "16",
        "name": "VSS_5",
        "type": "power_in",
        "description": "Ground pin VSS_5; all voltages are referenced to VSS."
      },
      {
        "number": "17",
        "name": "VDD_5",
        "type": "power_in",
        "description": "Digital supply pin VDD_5; device supply range is 1.65 V to 3.6 V."
      },
      {
        "number": "18",
        "name": "PF6",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PF6; alternate function TIM5_CH1/TIM5_ETR; additional function ADC_IN27."
      },
      {
        "number": "19",
        "name": "PF7",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PF7; alternate function TIM5_CH2; additional functions ADC_IN28, COMP1_INP."
      },
      {
        "number": "20",
        "name": "PF8",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PF8; alternate function TIM5_CH3; additional functions ADC_IN29, COMP1_INP."
      },
      {
        "number": "21",
        "name": "PF9",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PF9; alternate function TIM5_CH4; additional functions ADC_IN30, COMP1_INP."
      },
      {
        "number": "22",
        "name": "PF10",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PF10; additional functions ADC_IN31, COMP1_INP."
      },
      {
        "number": "23",
        "name": "PH0-OSC_IN",
        "type": "bidirectional",
        "description": "Standard 3.3 V (TC) I/O with reset default PH0; becomes OSC_IN only when the HSE oscillator is on (HSEON), otherwise usable as GPIO."
      },
      {
        "number": "24",
        "name": "PH1-OSC_OUT",
        "type": "bidirectional",
        "description": "Standard 3.3 V (TC) I/O with reset default PH1; becomes OSC_OUT only when the HSE oscillator is on (HSEON), otherwise usable as GPIO."
      },
      {
        "number": "25",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Bidirectional reset pin with an embedded weak pull-up resistor."
      },
      {
        "number": "26",
        "name": "PC0",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PC0; alternate function LCD_SEG18; additional functions ADC_IN10, COMP1_INP."
      },
      {
        "number": "27",
        "name": "PC1",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PC1; alternate function LCD_SEG19; additional functions ADC_IN11, COMP1_INP, OPAMP3_VINP."
      },
      {
        "number": "28",
        "name": "PC2",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PC2; alternate function LCD_SEG20; additional functions ADC_IN12, COMP1_INP, OPAMP3_VINM."
      },
      {
        "number": "29",
        "name": "PC3",
        "type": "bidirectional",
        "description": "Standard 3.3 V (TC) I/O with reset default PC3; alternate function LCD_SEG21; additional functions ADC_IN13, COMP1_INP, OPAMP3_VOUT."
      },
      {
        "number": "30",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground pin for the ADC, DAC and comparators."
      },
      {
        "number": "31",
        "name": "VREF-",
        "type": "power_in",
        "description": "Negative ADC reference pin; VSSA or VREF- must be tied to ground."
      },
      {
        "number": "32",
        "name": "VREF+",
        "type": "power_in",
        "description": "Positive ADC reference pin; minimum 1.8 V and maximum VDDA, and it can be grounded if neither the ADC nor the DAC is used."
      },
      {
        "number": "33",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply pin; the ADC characteristics specify VDDA from 1.8 V to 3.6 V."
      },
      {
        "number": "34",
        "name": "PA0-WKUP1",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PA0; alternate functions TIM2_CH1_ETR, TIM5_CH1, USART2_CTS; additional functions WKUP1, RTC_TAMP2, ADC_IN0, COMP1_INP."
      },
      {
        "number": "35",
        "name": "PA1",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PA1; alternate functions TIM2_CH2, TIM5_CH2, USART2_RTS, LCD_SEG0; additional functions ADC_IN1, COMP1_INP, OPAMP1_VINP."
      },
      {
        "number": "36",
        "name": "PA2",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PA2; alternate functions TIM2_CH3, TIM5_CH3, TIM9_CH1, USART2_TX, LCD_SEG1; additional functions ADC_IN2, COMP1_INP, OPAMP1_VINM."
      },
      {
        "number": "37",
        "name": "PA3",
        "type": "bidirectional",
        "description": "Standard 3.3 V (TC) I/O with reset default PA3; alternate functions TIM2_CH4, TIM5_CH4, TIM9_CH2, USART2_RX, LCD_SEG2; additional functions ADC_IN3, COMP1_INP, OPAMP1_VOUT."
      },
      {
        "number": "38",
        "name": "VSS_4",
        "type": "power_in",
        "description": "Ground pin VSS_4; all voltages are referenced to VSS."
      },
      {
        "number": "39",
        "name": "VDD_4",
        "type": "power_in",
        "description": "Digital supply pin VDD_4; device supply range is 1.65 V to 3.6 V."
      },
      {
        "number": "40",
        "name": "PA4",
        "type": "bidirectional",
        "description": "Standard 3.3 V (TC) I/O with reset default PA4; alternate functions SPI1_NSS, SPI3_NSS, I2S3_WS, USART2_CK; additional functions ADC_IN4, DAC_OUT1, COMP1_INP."
      },
      {
        "number": "41",
        "name": "PA5",
        "type": "bidirectional",
        "description": "Standard 3.3 V (TC) I/O with reset default PA5; alternate functions TIM2_CH1_ETR, SPI1_SCK; additional functions ADC_IN5, DAC_OUT2, COMP1_INP."
      },
      {
        "number": "42",
        "name": "PA6",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PA6; alternate functions TIM3_CH1, TIM10_CH1, SPI1_MISO, LCD_SEG3; additional functions ADC_IN6, COMP1_INP, OPAMP2_VINP."
      },
      {
        "number": "43",
        "name": "PA7",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PA7; alternate functions TIM3_CH2, TIM11_CH1, SPI1_MOSI, LCD_SEG4; additional functions ADC_IN7, COMP1_INP, OPAMP2_VINM."
      },
      {
        "number": "44",
        "name": "PC4",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PC4; alternate function LCD_SEG22; additional functions ADC_IN14, COMP1_INP."
      },
      {
        "number": "45",
        "name": "PC5",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PC5; alternate function LCD_SEG23; additional functions ADC_IN15, COMP1_INP."
      },
      {
        "number": "46",
        "name": "PB0",
        "type": "bidirectional",
        "description": "Standard 3.3 V (TC) I/O with reset default PB0; alternate functions TIM3_CH3, LCD_SEG5; additional functions ADC_IN8, COMP1_INP, OPAMP2_VOUT, VREF_OUT."
      },
      {
        "number": "47",
        "name": "PB1",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PB1; alternate functions TIM3_CH4, LCD_SEG6; additional functions ADC_IN9, COMP1_INP, VREF_OUT."
      },
      {
        "number": "48",
        "name": "PB2",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PB2; alternate function BOOT1; additional function ADC_IN0b."
      },
      {
        "number": "49",
        "name": "PF11",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PF11; additional function ADC_IN1b."
      },
      {
        "number": "50",
        "name": "PF12",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PF12; alternate function FSMC_A6; additional function ADC_IN2b."
      },
      {
        "number": "51",
        "name": "VSS_6",
        "type": "power_in",
        "description": "Ground pin VSS_6; all voltages are referenced to VSS."
      },
      {
        "number": "52",
        "name": "VDD_6",
        "type": "power_in",
        "description": "Digital supply pin VDD_6; device supply range is 1.65 V to 3.6 V."
      },
      {
        "number": "53",
        "name": "PF13",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PF13; alternate function FSMC_A7; additional function ADC_IN3b."
      },
      {
        "number": "54",
        "name": "PF14",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PF14; alternate function FSMC_A8; additional function ADC_IN6b."
      },
      {
        "number": "55",
        "name": "PF15",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PF15; alternate function FSMC_A9; additional function ADC_IN7b."
      },
      {
        "number": "56",
        "name": "PG0",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PG0; alternate function FSMC_A10; additional function ADC_IN8b."
      },
      {
        "number": "57",
        "name": "PG1",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PG1; alternate function FSMC_A11; additional function ADC_IN9b."
      },
      {
        "number": "58",
        "name": "PE7",
        "type": "bidirectional",
        "description": "Standard 3.3 V (TC) I/O with reset default PE7; alternate function FSMC_D4; additional functions ADC_IN22, COMP1_INP."
      },
      {
        "number": "59",
        "name": "PE8",
        "type": "bidirectional",
        "description": "Standard 3.3 V (TC) I/O with reset default PE8; alternate function FSMC_D5; additional functions ADC_IN23, COMP1_INP."
      },
      {
        "number": "60",
        "name": "PE9",
        "type": "bidirectional",
        "description": "Standard 3.3 V (TC) I/O with reset default PE9; alternate functions TIM2_CH1_ETR, FSMC_D6; additional functions ADC_IN24, COMP1_INP."
      },
      {
        "number": "61",
        "name": "VSS_7",
        "type": "power_in",
        "description": "Ground pin VSS_7; all voltages are referenced to VSS."
      },
      {
        "number": "62",
        "name": "VDD_7",
        "type": "power_in",
        "description": "Digital supply pin VDD_7; device supply range is 1.65 V to 3.6 V."
      },
      {
        "number": "63",
        "name": "PE10",
        "type": "bidirectional",
        "description": "Standard 3.3 V (TC) I/O with reset default PE10; alternate functions TIM2_CH2, FSMC_D7; additional functions ADC_IN25, COMP1_INP."
      },
      {
        "number": "64",
        "name": "PE11",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PE11; alternate functions TIM2_CH3, FSMC_D8."
      },
      {
        "number": "65",
        "name": "PE12",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PE12; alternate functions TIM2_CH4, SPI1_NSS, FSMC_D9."
      },
      {
        "number": "66",
        "name": "PE13",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PE13; alternate functions SPI1_SCK, FSMC_D10."
      },
      {
        "number": "67",
        "name": "PE14",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PE14; alternate functions SPI1_MISO, FSMC_D11."
      },
      {
        "number": "68",
        "name": "PE15",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PE15; alternate functions SPI1_MOSI, FSMC_D12."
      },
      {
        "number": "69",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PB10; alternate functions TIM2_CH3, I2C2_SCL, USART3_TX, LCD_SEG10."
      },
      {
        "number": "70",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PB11; alternate functions TIM2_CH4, I2C2_SDA, USART3_RX, LCD_SEG11."
      },
      {
        "number": "71",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Ground pin VSS_1; all voltages are referenced to VSS."
      },
      {
        "number": "72",
        "name": "VDD_1",
        "type": "power_in",
        "description": "Digital supply pin VDD_1; device supply range is 1.65 V to 3.6 V."
      },
      {
        "number": "73",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PB12; alternate functions TIM10_CH1, I2C2_SMBA, SPI2_NSS, I2S2_WS, USART3_CK, LCD_SEG12; additional functions ADC_IN18, COMP1_INP."
      },
      {
        "number": "74",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PB13; alternate functions TIM9_CH1, SPI2_SCK, I2S2_CK, USART3_CTS, LCD_SEG13; additional functions ADC_IN19, COMP1_INP."
      },
      {
        "number": "75",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PB14; alternate functions TIM9_CH2, SPI2_MISO, USART3_RTS, LCD_SEG14; additional functions ADC_IN20, COMP1_INP."
      },
      {
        "number": "76",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PB15; alternate functions TIM11_CH1, SPI2_MOSI, I2S2_SD, LCD_SEG15; additional functions ADC_IN21, COMP1_INP, RTC_REFIN."
      },
      {
        "number": "77",
        "name": "PD8",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PD8; alternate functions USART3_TX, LCD_SEG28, FSMC_D13."
      },
      {
        "number": "78",
        "name": "PD9",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PD9; alternate functions USART3_RX, LCD_SEG29, FSMC_D14."
      },
      {
        "number": "79",
        "name": "PD10",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PD10; alternate functions USART3_CK, LCD_SEG30, FSMC_D15."
      },
      {
        "number": "80",
        "name": "PD11",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PD11; alternate functions USART3_CTS, LCD_SEG31, FSMC_A16."
      },
      {
        "number": "81",
        "name": "PD12",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PD12; alternate functions TIM4_CH1, USART3_RTS, LCD_SEG32, FSMC_A17."
      },
      {
        "number": "82",
        "name": "PD13",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PD13; alternate functions TIM4_CH2, LCD_SEG33, FSMC_A18."
      },
      {
        "number": "83",
        "name": "VSS_8",
        "type": "power_in",
        "description": "Ground pin VSS_8; all voltages are referenced to VSS."
      },
      {
        "number": "84",
        "name": "VDD_8",
        "type": "power_in",
        "description": "Digital supply pin VDD_8; device supply range is 1.65 V to 3.6 V."
      },
      {
        "number": "85",
        "name": "PD14",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PD14; alternate functions TIM4_CH3, LCD_SEG34, FSMC_D0."
      },
      {
        "number": "86",
        "name": "PD15",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PD15; alternate functions TIM4_CH4, LCD_SEG35, FSMC_D1."
      },
      {
        "number": "87",
        "name": "PG2",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PG2; alternate function FSMC_A12; additional function ADC_IN10b."
      },
      {
        "number": "88",
        "name": "PG3",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PG3; alternate function FSMC_A13; additional function ADC_IN11b."
      },
      {
        "number": "89",
        "name": "PG4",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PG4; alternate function FSMC_A14; additional function ADC_IN12b."
      },
      {
        "number": "90",
        "name": "PG5",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PG5; alternate function FSMC_A15."
      },
      {
        "number": "91",
        "name": "PG6",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PG6; no alternate function listed in Table 8."
      },
      {
        "number": "92",
        "name": "PG7",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PG7; no alternate function listed in Table 8."
      },
      {
        "number": "93",
        "name": "PG8",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PG8; no alternate function listed in Table 8."
      },
      {
        "number": "94",
        "name": "VSS_9",
        "type": "power_in",
        "description": "Ground pin VSS_9; all voltages are referenced to VSS."
      },
      {
        "number": "95",
        "name": "VDD_9",
        "type": "power_in",
        "description": "Digital supply pin VDD_9; device supply range is 1.65 V to 3.6 V."
      },
      {
        "number": "96",
        "name": "PC6",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PC6; alternate functions TIM3_CH1, I2S2_MCK, LCD_SEG24, SDIO_D6."
      },
      {
        "number": "97",
        "name": "PC7",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PC7; alternate functions TIM3_CH2, I2S3_MCK, LCD_SEG25, SDIO_D7."
      },
      {
        "number": "98",
        "name": "PC8",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PC8; alternate functions TIM3_CH3, LCD_SEG26, SDIO_D0."
      },
      {
        "number": "99",
        "name": "PC9",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PC9; alternate functions TIM3_CH4, LCD_SEG27, SDIO_D1."
      },
      {
        "number": "100",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PA8; alternate functions USART1_CK, MCO, LCD_COM0."
      },
      {
        "number": "101",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PA9; alternate functions USART1_TX, LCD_COM1."
      },
      {
        "number": "102",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PA10; alternate functions USART1_RX, LCD_COM2."
      },
      {
        "number": "103",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PA11; alternate functions USART1_CTS, SPI1_MISO; additional function USB_DM."
      },
      {
        "number": "104",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PA12; alternate functions USART1_RTS, SPI1_MOSI; additional function USB_DP."
      },
      {
        "number": "105",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default JTMS-SWDIO; serial wire debug data pin shared with JTMS."
      },
      {
        "number": "106",
        "name": "PH2",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PH2; alternate function FSMC_A22."
      },
      {
        "number": "107",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Ground pin VSS_2; all voltages are referenced to VSS."
      },
      {
        "number": "108",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Digital supply pin VDD_2; device supply range is 1.65 V to 3.6 V."
      },
      {
        "number": "109",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default JTCK-SWCLK; serial wire debug clock pin."
      },
      {
        "number": "110",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default JTDI; alternate functions TIM2_CH1_ETR, SPI1_NSS, SPI3_NSS, I2S3_WS, LCD_SEG17."
      },
      {
        "number": "111",
        "name": "PC10",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PC10; alternate functions SPI3_SCK, I2S3_CK, USART3_TX, UART4_TX, LCD_SEG28, LCD_SEG40, LCD_COM4, SDIO_D2."
      },
      {
        "number": "112",
        "name": "PC11",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PC11; alternate functions SPI3_MISO, USART3_RX, UART4_RX, LCD_SEG29, LCD_SEG41, LCD_COM5, SDIO_D3."
      },
      {
        "number": "113",
        "name": "PC12",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PC12; alternate functions SPI3_MOSI, I2S3_SD, USART3_CK, UART5_TX, LCD_SEG30, LCD_SEG42, LCD_COM6, SDIO_CK."
      },
      {
        "number": "114",
        "name": "PD0",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PD0; alternate functions TIM9_CH1, SPI2_NSS, I2S2_WS, FSMC_D2."
      },
      {
        "number": "115",
        "name": "PD1",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PD1; alternate functions SPI2_SCK, I2S2_CK, FSMC_D3."
      },
      {
        "number": "116",
        "name": "PD2",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PD2; alternate functions TIM3_ETR, UART5_RX, LCD_SEG31, LCD_SEG43, LCD_COM7, SDIO_CMD."
      },
      {
        "number": "117",
        "name": "PD3",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PD3; alternate functions SPI2_MISO, USART2_CTS, FSMC_CLK."
      },
      {
        "number": "118",
        "name": "PD4",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PD4; alternate functions SPI2_MOSI, I2S2_SD, USART2_RTS, FSMC_NOE."
      },
      {
        "number": "119",
        "name": "PD5",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PD5; alternate functions USART2_TX, FSMC_NWE."
      },
      {
        "number": "120",
        "name": "VSS_10",
        "type": "power_in",
        "description": "Ground pin VSS_10; all voltages are referenced to VSS."
      },
      {
        "number": "121",
        "name": "VDD_10",
        "type": "power_in",
        "description": "Digital supply pin VDD_10; device supply range is 1.65 V to 3.6 V."
      },
      {
        "number": "122",
        "name": "PD6",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PD6; alternate functions USART2_RX, FSMC_NWAIT."
      },
      {
        "number": "123",
        "name": "PD7",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PD7; alternate functions TIM9_CH2, USART2_CK, FSMC_NE1."
      },
      {
        "number": "124",
        "name": "PG9",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PG9; alternate function FSMC_NE2."
      },
      {
        "number": "125",
        "name": "PG10",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PG10; alternate function FSMC_NE3."
      },
      {
        "number": "126",
        "name": "PG11",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PG11; no alternate function listed in Table 8."
      },
      {
        "number": "127",
        "name": "PG12",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PG12; alternate function FSMC_NE4."
      },
      {
        "number": "128",
        "name": "PG13",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PG13; alternate function FSMC_A24."
      },
      {
        "number": "129",
        "name": "PG14",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PG14; alternate function FSMC_A25."
      },
      {
        "number": "130",
        "name": "VSS_11",
        "type": "power_in",
        "description": "Ground pin VSS_11; all voltages are referenced to VSS."
      },
      {
        "number": "131",
        "name": "VDD_11",
        "type": "power_in",
        "description": "Digital supply pin VDD_11; device supply range is 1.65 V to 3.6 V."
      },
      {
        "number": "132",
        "name": "PG15",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PG15; no alternate function listed in Table 8."
      },
      {
        "number": "133",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default JTDO; alternate functions TIM2_CH2, SPI1_SCK, SPI3_SCK, I2S3_CK, LCD_SEG7; additional function COMP2_INM."
      },
      {
        "number": "134",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default NJTRST; alternate functions TIM3_CH1, SPI1_MISO, SPI3_MISO, LCD_SEG8; additional function COMP2_INP."
      },
      {
        "number": "135",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PB5; alternate functions TIM3_CH2, I2C1_SMBA, SPI1_MOSI, SPI3_MOSI, I2S3_SD, LCD_SEG9; additional function COMP2_INP."
      },
      {
        "number": "136",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PB6; alternate functions TIM4_CH1, I2C1_SCL, USART1_TX; additional function COMP2_INP."
      },
      {
        "number": "137",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PB7; alternate functions TIM4_CH2, I2C1_SDA, USART1_RX, FSMC_NADV; additional functions COMP2_INP, PVD_IN."
      },
      {
        "number": "138",
        "name": "BOOT0",
        "type": "input",
        "description": "Dedicated BOOT0 pin (type B in the pin table) used for boot mode selection."
      },
      {
        "number": "139",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PB8; alternate functions TIM4_CH3, TIM10_CH1, I2C1_SCL, LCD_SEG16, SDIO_D4."
      },
      {
        "number": "140",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PB9; alternate functions TIM4_CH4, TIM11_CH1, I2C1_SDA, LCD_COM3, SDIO_D5."
      },
      {
        "number": "141",
        "name": "PE0",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PE0; alternate functions TIM4_ETR, TIM10_CH1, LCD_SEG36, FSMC_NBL0."
      },
      {
        "number": "142",
        "name": "PE1",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with reset default PE1; alternate functions TIM11_CH1, LCD_SEG37, FSMC_NBL1."
      },
      {
        "number": "143",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Ground pin VSS_3; all voltages are referenced to VSS."
      },
      {
        "number": "144",
        "name": "VDD_3",
        "type": "power_in",
        "description": "Digital supply pin VDD_3; device supply range is 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-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: VLCD is only applicable to STM32L152xD devices. This part is an STM32L151ZDT6 (L151xD), for which th; PC14/PC15 and PH0/PH1 are GPIOs by default and only act as OSC32/OSC pins when LSE/HSE is enabled in; BOOT0 is listed as type 'I' (dedicated BOOT0 pin) with no further electrical limits in the extracted"
        ],
        "pages_sent": 65,
        "cost_usd": 0.3718,
        "at": "2026-10-11T02:10:19"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588922786551107584",
        "pages": 155,
        "sha256": "92c7b8f244edf6a6",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 144,
        "described": 144,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "stm32l151zdt6.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          22.0,
          22.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b4d698da8bb7697b754adb5655c932342462d9b9341cdaa081b3604dbdf7559b",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm32l151zdt6-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          22.0,
          22.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4ced21dadebee4ab8b3da488bbc6f45c6d55abad88b1a26600c365914a18e231",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}