STM32L152ZDT6

{
  "slug": "stm32l152zdt6",
  "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",
    "stm32l152zdt6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm32l152zdt6.kicad_sym",
    "stm32l152zdt6.kicad_mod",
    "stm32l152zdt6.glb",
    "stm32l152zdt6.step",
    "stm32l152zdt6.lbr",
    "docs/hero.png",
    "docs/stm32l152zdt6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stm32l152zdt6-hero.glb",
    "stm32l152zdt6-hero.overlay.json"
  ],
  "component": {
    "mpn": "STM32L152ZDT6",
    "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/8588893528462405632",
    "parts": {
      "symbol": "stm32l152zdt6.kicad_sym",
      "footprint": "stm32l152zdt6.kicad_mod",
      "model_3d": "stm32l152zdt6-hero.glb",
      "model_3d_plain": "stm32l152zdt6.glb",
      "model_3d_step": "stm32l152zdt6-etched.step",
      "model_3d_step_plain": "stm32l152zdt6.step",
      "lbr": "stm32l152zdt6.lbr"
    },
    "distributor_links": {
      "lcsc": "C1339410",
      "digikey": "497-18961-ND",
      "mouser": "511-STM32L152ZDT6"
    },
    "distributor_check": {
      "checked_at": "2026-10-06T01:12:10Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-18961-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32L152ZDT6",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PE2",
        "type": "bidirectional",
        "description": "Port E bit 2, 5V-tolerant I/O with timer event, LCD segment, trace clock, and memory address functions."
      },
      {
        "number": "2",
        "name": "PE3",
        "type": "bidirectional",
        "description": "Port E bit 3, 5V-tolerant I/O with timer capture, LCD segment, trace data, and memory address functions."
      },
      {
        "number": "3",
        "name": "PE4",
        "type": "bidirectional",
        "description": "Port E bit 4, 5V-tolerant I/O with timer capture and memory address functions."
      },
      {
        "number": "4",
        "name": "PE5",
        "type": "bidirectional",
        "description": "Port E bit 5, 5V-tolerant I/O with timer capture and trace data functions."
      },
      {
        "number": "5",
        "name": "PE6-WKUP3",
        "type": "bidirectional",
        "description": "Port E bit 6, 5V-tolerant I/O with timer capture, trace data, wakeup, and RTC tamper functions."
      },
      {
        "number": "6",
        "name": "VLCD",
        "type": "power_in",
        "description": "LCD power supply pin (STM32L152xD devices only); connect to VDD or external LCD voltage supply."
      },
      {
        "number": "7",
        "name": "PC13-WKUP2",
        "type": "bidirectional",
        "description": "Port C bit 13, 5V-tolerant I/O with wakeup, RTC tamper, timestamp, and output functions."
      },
      {
        "number": "8",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "Port C bit 14, 3.3V I/O serving as 32 kHz oscillator input when LSE enabled, GPIO when disabled."
      },
      {
        "number": "9",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "Port C bit 15, 3.3V I/O serving as 32 kHz oscillator output when LSE enabled, GPIO when disabled."
      },
      {
        "number": "10",
        "name": "PF0",
        "type": "bidirectional",
        "description": "Port F bit 0, 5V-tolerant I/O with memory address bit 0 function."
      },
      {
        "number": "11",
        "name": "PF1",
        "type": "bidirectional",
        "description": "Port F bit 1, 5V-tolerant I/O with memory address bit 1 function."
      },
      {
        "number": "12",
        "name": "PF2",
        "type": "bidirectional",
        "description": "Port F bit 2, 5V-tolerant I/O with memory address bit 2 function."
      },
      {
        "number": "13",
        "name": "PF3",
        "type": "bidirectional",
        "description": "Port F bit 3, 5V-tolerant I/O with memory address bit 3 function."
      },
      {
        "number": "14",
        "name": "PF4",
        "type": "bidirectional",
        "description": "Port F bit 4, 5V-tolerant I/O with memory address bit 4 function."
      },
      {
        "number": "15",
        "name": "PF5",
        "type": "bidirectional",
        "description": "Port F bit 5, 5V-tolerant I/O with memory address bit 5 function."
      },
      {
        "number": "16",
        "name": "VSS_5",
        "type": "power_in",
        "description": "Ground reference pin for memory interface block."
      },
      {
        "number": "17",
        "name": "VDD_5",
        "type": "power_in",
        "description": "Supply voltage pin for memory interface block, 1.8V to 3.6V."
      },
      {
        "number": "18",
        "name": "PF6",
        "type": "bidirectional",
        "description": "Port F bit 6, 5V-tolerant I/O with timer capture/compare and ADC input functions."
      },
      {
        "number": "19",
        "name": "PF7",
        "type": "bidirectional",
        "description": "Port F bit 7, 5V-tolerant I/O with timer capture/compare, ADC input, and comparator functions."
      },
      {
        "number": "20",
        "name": "PF8",
        "type": "bidirectional",
        "description": "Port F bit 8, 5V-tolerant I/O with timer capture/compare, ADC input, and comparator functions."
      },
      {
        "number": "21",
        "name": "PF9",
        "type": "bidirectional",
        "description": "Port F bit 9, 5V-tolerant I/O with timer capture/compare, ADC input, and comparator functions."
      },
      {
        "number": "22",
        "name": "PF10",
        "type": "bidirectional",
        "description": "Port F bit 10, 5V-tolerant I/O with ADC input and comparator functions."
      },
      {
        "number": "23",
        "name": "PH0-OSC_IN",
        "type": "bidirectional",
        "description": "Port H bit 0, 3.3V I/O serving as HSE oscillator input when HSE enabled, GPIO when disabled."
      },
      {
        "number": "24",
        "name": "PH1-OSC_OUT",
        "type": "bidirectional",
        "description": "Port H bit 1, 3.3V I/O serving as HSE oscillator output when HSE enabled, GPIO when disabled."
      },
      {
        "number": "25",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Reset input pin with embedded weak pull-up resistor; low triggers system reset."
      },
      {
        "number": "26",
        "name": "PC0",
        "type": "bidirectional",
        "description": "Port C bit 0, 5V-tolerant I/O with LCD segment, ADC input, and comparator functions."
      },
      {
        "number": "27",
        "name": "PC1",
        "type": "bidirectional",
        "description": "Port C bit 1, 5V-tolerant I/O with LCD segment, ADC input, comparator, and op-amp functions."
      },
      {
        "number": "28",
        "name": "PC2",
        "type": "bidirectional",
        "description": "Port C bit 2, 5V-tolerant I/O with LCD segment, ADC input, comparator, and op-amp functions."
      },
      {
        "number": "29",
        "name": "PC3",
        "type": "bidirectional",
        "description": "Port C bit 3, 3.3V I/O with LCD segment, ADC input, comparator, and op-amp output functions."
      },
      {
        "number": "30",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground reference pin; connect to ground."
      },
      {
        "number": "31",
        "name": "VREF-",
        "type": "power_in",
        "description": "Negative reference voltage pin for ADC; typically connected to VSSA."
      },
      {
        "number": "32",
        "name": "VREF+",
        "type": "power_in",
        "description": "Positive reference voltage pin for ADC; 1.8V to 3.6V or connected to VDDA."
      },
      {
        "number": "33",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply voltage pin, 1.8V to 3.6V; decoupling recommended."
      },
      {
        "number": "34",
        "name": "PA0-WKUP1",
        "type": "bidirectional",
        "description": "Port A bit 0, 5V-tolerant I/O with timer, USART, wakeup, RTC, ADC, and comparator functions."
      },
      {
        "number": "35",
        "name": "PA1",
        "type": "bidirectional",
        "description": "Port A bit 1, 5V-tolerant I/O with timer, USART, LCD, ADC, and op-amp functions."
      },
      {
        "number": "36",
        "name": "PA2",
        "type": "bidirectional",
        "description": "Port A bit 2, 5V-tolerant I/O with timer, USART, LCD, ADC, and op-amp functions."
      },
      {
        "number": "37",
        "name": "PA3",
        "type": "bidirectional",
        "description": "Port A bit 3, 3.3V I/O with timer, USART, LCD, ADC, and op-amp output functions."
      },
      {
        "number": "38",
        "name": "VSS_4",
        "type": "power_in",
        "description": "Ground reference pin for analog/GPIO block."
      },
      {
        "number": "39",
        "name": "VDD_4",
        "type": "power_in",
        "description": "Supply voltage pin for analog/GPIO block, 1.8V to 3.6V."
      },
      {
        "number": "40",
        "name": "PA4",
        "type": "bidirectional",
        "description": "Port A bit 4, 3.3V I/O with SPI, USB audio interface, USART, DAC, and comparator functions."
      },
      {
        "number": "41",
        "name": "PA5",
        "type": "bidirectional",
        "description": "Port A bit 5, 3.3V I/O with timer, SPI clock, DAC, and comparator functions."
      },
      {
        "number": "42",
        "name": "PA6",
        "type": "bidirectional",
        "description": "Port A bit 6, 5V-tolerant I/O with timer, SPI, LCD, ADC, and op-amp functions."
      },
      {
        "number": "43",
        "name": "PA7",
        "type": "bidirectional",
        "description": "Port A bit 7, 5V-tolerant I/O with timer, SPI, LCD, ADC, and op-amp functions."
      },
      {
        "number": "44",
        "name": "PC4",
        "type": "bidirectional",
        "description": "Port C bit 4, 5V-tolerant I/O with LCD segment and ADC input functions."
      },
      {
        "number": "45",
        "name": "PC5",
        "type": "bidirectional",
        "description": "Port C bit 5, 5V-tolerant I/O with LCD segment and ADC input functions."
      },
      {
        "number": "46",
        "name": "PB0",
        "type": "bidirectional",
        "description": "Port B bit 0, 3.3V I/O with timer, LCD, ADC, op-amp, and voltage reference functions."
      },
      {
        "number": "47",
        "name": "PB1",
        "type": "bidirectional",
        "description": "Port B bit 1, 5V-tolerant I/O with timer, LCD, ADC, and voltage reference functions."
      },
      {
        "number": "48",
        "name": "PB2",
        "type": "bidirectional",
        "description": "Port B bit 2, 5V-tolerant I/O with BOOT pin function and alternate ADC input."
      },
      {
        "number": "49",
        "name": "PF11",
        "type": "bidirectional",
        "description": "Port F bit 11, 5V-tolerant I/O with alternate ADC input function."
      },
      {
        "number": "50",
        "name": "PF12",
        "type": "bidirectional",
        "description": "Port F bit 12, 5V-tolerant I/O with memory address and ADC input functions."
      },
      {
        "number": "51",
        "name": "VSS_6",
        "type": "power_in",
        "description": "Ground reference pin for GPIO/memory interface block."
      },
      {
        "number": "52",
        "name": "VDD_6",
        "type": "power_in",
        "description": "Supply voltage pin for GPIO/memory interface block, 1.8V to 3.6V."
      },
      {
        "number": "53",
        "name": "PF13",
        "type": "bidirectional",
        "description": "Port F bit 13, 5V-tolerant I/O with memory address and ADC input functions."
      },
      {
        "number": "54",
        "name": "PF14",
        "type": "bidirectional",
        "description": "Port F bit 14, 5V-tolerant I/O with memory address and ADC input functions."
      },
      {
        "number": "55",
        "name": "PF15",
        "type": "bidirectional",
        "description": "Port F bit 15, 5V-tolerant I/O with memory address and ADC input functions."
      },
      {
        "number": "56",
        "name": "PG0",
        "type": "bidirectional",
        "description": "Port G bit 0, 5V-tolerant I/O with memory address and ADC input functions."
      },
      {
        "number": "57",
        "name": "PG1",
        "type": "bidirectional",
        "description": "Port G bit 1, 5V-tolerant I/O with memory address and ADC input functions."
      },
      {
        "number": "58",
        "name": "PE7",
        "type": "bidirectional",
        "description": "Port E bit 7, 3.3V I/O with memory data, ADC input, and comparator functions."
      },
      {
        "number": "59",
        "name": "PE8",
        "type": "bidirectional",
        "description": "Port E bit 8, 3.3V I/O with memory data, ADC input, and comparator functions."
      },
      {
        "number": "60",
        "name": "PE9",
        "type": "bidirectional",
        "description": "Port E bit 9, 3.3V I/O with timer event, memory data, and ADC input functions."
      },
      {
        "number": "61",
        "name": "VSS_7",
        "type": "power_in",
        "description": "Ground reference pin for GPIO/memory interface block."
      },
      {
        "number": "62",
        "name": "VDD_7",
        "type": "power_in",
        "description": "Supply voltage pin for GPIO/memory interface block, 1.8V to 3.6V."
      },
      {
        "number": "63",
        "name": "PE10",
        "type": "bidirectional",
        "description": "Port E bit 10, 3.3V I/O with timer capture, memory data, and ADC input functions."
      },
      {
        "number": "64",
        "name": "PE11",
        "type": "bidirectional",
        "description": "Port E bit 11, 5V-tolerant I/O with timer capture and memory data functions."
      },
      {
        "number": "65",
        "name": "PE12",
        "type": "bidirectional",
        "description": "Port E bit 12, 5V-tolerant I/O with timer capture, SPI, and memory data functions."
      },
      {
        "number": "66",
        "name": "PE13",
        "type": "bidirectional",
        "description": "Port E bit 13, 5V-tolerant I/O with SPI clock and memory data functions."
      },
      {
        "number": "67",
        "name": "PE14",
        "type": "bidirectional",
        "description": "Port E bit 14, 5V-tolerant I/O with SPI input and memory data functions."
      },
      {
        "number": "68",
        "name": "PE15",
        "type": "bidirectional",
        "description": "Port E bit 15, 5V-tolerant I/O with SPI output and memory data functions."
      },
      {
        "number": "69",
        "name": "PB10",
        "type": "bidirectional",
        "description": "Port B bit 10, 5V-tolerant I/O with timer, I2C clock, USART, and LCD functions."
      },
      {
        "number": "70",
        "name": "PB11",
        "type": "bidirectional",
        "description": "Port B bit 11, 5V-tolerant I/O with timer, I2C data, USART, and LCD functions."
      },
      {
        "number": "71",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Ground reference pin for GPIO/memory interface block."
      },
      {
        "number": "72",
        "name": "VDD_1",
        "type": "power_in",
        "description": "Supply voltage pin for GPIO/memory interface block, 1.8V to 3.6V."
      },
      {
        "number": "73",
        "name": "PB12",
        "type": "bidirectional",
        "description": "Port B bit 12, 5V-tolerant I/O with timer, I2C, SPI, USART, LCD, and ADC functions."
      },
      {
        "number": "74",
        "name": "PB13",
        "type": "bidirectional",
        "description": "Port B bit 13, 5V-tolerant I/O with timer, SPI, USART, LCD, and ADC functions."
      },
      {
        "number": "75",
        "name": "PB14",
        "type": "bidirectional",
        "description": "Port B bit 14, 5V-tolerant I/O with timer, SPI, USART, LCD, and ADC functions."
      },
      {
        "number": "76",
        "name": "PB15",
        "type": "bidirectional",
        "description": "Port B bit 15, 5V-tolerant I/O with timer, SPI, LCD, ADC, and RTC functions."
      },
      {
        "number": "77",
        "name": "PD8",
        "type": "bidirectional",
        "description": "Port D bit 8, 5V-tolerant I/O with USART, LCD, and memory data functions."
      },
      {
        "number": "78",
        "name": "PD9",
        "type": "bidirectional",
        "description": "Port D bit 9, 5V-tolerant I/O with USART, LCD, and memory data functions."
      },
      {
        "number": "79",
        "name": "PD10",
        "type": "bidirectional",
        "description": "Port D bit 10, 5V-tolerant I/O with USART, LCD, and memory data functions."
      },
      {
        "number": "80",
        "name": "PD11",
        "type": "bidirectional",
        "description": "Port D bit 11, 5V-tolerant I/O with USART, LCD, and memory address functions."
      },
      {
        "number": "81",
        "name": "PD12",
        "type": "bidirectional",
        "description": "Port D bit 12, 5V-tolerant I/O with timer, USART, LCD, and memory address functions."
      },
      {
        "number": "82",
        "name": "PD13",
        "type": "bidirectional",
        "description": "Port D bit 13, 5V-tolerant I/O with timer, LCD, and memory address functions."
      },
      {
        "number": "83",
        "name": "VSS_8",
        "type": "power_in",
        "description": "Ground reference pin for GPIO/memory interface block."
      },
      {
        "number": "84",
        "name": "VDD_8",
        "type": "power_in",
        "description": "Supply voltage pin for GPIO/memory interface block, 1.8V to 3.6V."
      },
      {
        "number": "85",
        "name": "PD14",
        "type": "bidirectional",
        "description": "Port D bit 14, 5V-tolerant I/O with timer, LCD, and memory data functions."
      },
      {
        "number": "86",
        "name": "PD15",
        "type": "bidirectional",
        "description": "Port D bit 15, 5V-tolerant I/O with timer, LCD, and memory data functions."
      },
      {
        "number": "87",
        "name": "PG2",
        "type": "bidirectional",
        "description": "Port G bit 2, 5V-tolerant I/O with memory address and ADC input functions."
      },
      {
        "number": "88",
        "name": "PG3",
        "type": "bidirectional",
        "description": "Port G bit 3, 5V-tolerant I/O with memory address and ADC input functions."
      },
      {
        "number": "89",
        "name": "PG4",
        "type": "bidirectional",
        "description": "Port G bit 4, 5V-tolerant I/O with memory address and ADC input functions."
      },
      {
        "number": "90",
        "name": "PG5",
        "type": "bidirectional",
        "description": "Port G bit 5, 5V-tolerant I/O with memory address function."
      },
      {
        "number": "91",
        "name": "PG6",
        "type": "bidirectional",
        "description": "Port G bit 6, 5V-tolerant I/O general-purpose pin."
      },
      {
        "number": "92",
        "name": "PG7",
        "type": "bidirectional",
        "description": "Port G bit 7, 5V-tolerant I/O general-purpose pin."
      },
      {
        "number": "93",
        "name": "PG8",
        "type": "bidirectional",
        "description": "Port G bit 8, 5V-tolerant I/O general-purpose pin."
      },
      {
        "number": "94",
        "name": "VSS_9",
        "type": "power_in",
        "description": "Ground reference pin for GPIO/memory interface block."
      },
      {
        "number": "95",
        "name": "VDD_9",
        "type": "power_in",
        "description": "Supply voltage pin for GPIO/memory interface block, 1.8V to 3.6V."
      },
      {
        "number": "96",
        "name": "PC6",
        "type": "bidirectional",
        "description": "Port C bit 6, 5V-tolerant I/O with timer, SPI, LCD, and SDIO functions."
      },
      {
        "number": "97",
        "name": "PC7",
        "type": "bidirectional",
        "description": "Port C bit 7, 5V-tolerant I/O with timer, SPI, LCD, and SDIO functions."
      },
      {
        "number": "98",
        "name": "PC8",
        "type": "bidirectional",
        "description": "Port C bit 8, 5V-tolerant I/O with timer, LCD, and SDIO functions."
      },
      {
        "number": "99",
        "name": "PC9",
        "type": "bidirectional",
        "description": "Port C bit 9, 5V-tolerant I/O with timer, LCD, and SDIO functions."
      },
      {
        "number": "100",
        "name": "PA8",
        "type": "bidirectional",
        "description": "Port A bit 8, 5V-tolerant I/O with USART clock, master clock output, and LCD functions."
      },
      {
        "number": "101",
        "name": "PA9",
        "type": "bidirectional",
        "description": "Port A bit 9, 5V-tolerant I/O with USART transmit and LCD functions."
      },
      {
        "number": "102",
        "name": "PA10",
        "type": "bidirectional",
        "description": "Port A bit 10, 5V-tolerant I/O with USART receive and LCD functions."
      },
      {
        "number": "103",
        "name": "PA11",
        "type": "bidirectional",
        "description": "Port A bit 11, 5V-tolerant I/O with USART, SPI, and USB D- functions."
      },
      {
        "number": "104",
        "name": "PA12",
        "type": "bidirectional",
        "description": "Port A bit 12, 5V-tolerant I/O with USART, SPI, and USB D+ functions."
      },
      {
        "number": "105",
        "name": "PA13",
        "type": "bidirectional",
        "description": "Port A bit 13, 5V-tolerant I/O serving as JTAG TMS and serial wire debug data I/O."
      },
      {
        "number": "106",
        "name": "PH2",
        "type": "bidirectional",
        "description": "Port H bit 2, 5V-tolerant I/O with memory address function."
      },
      {
        "number": "107",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Ground reference pin for GPIO/memory interface block."
      },
      {
        "number": "108",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Supply voltage pin for GPIO/memory interface block, 1.8V to 3.6V."
      },
      {
        "number": "109",
        "name": "PA14",
        "type": "bidirectional",
        "description": "Port A bit 14, 5V-tolerant I/O serving as JTAG TCK and serial wire debug clock."
      },
      {
        "number": "110",
        "name": "PA15",
        "type": "bidirectional",
        "description": "Port A bit 15, 5V-tolerant I/O with JTAG, timer, SPI, LCD, and memory functions."
      },
      {
        "number": "111",
        "name": "PC10",
        "type": "bidirectional",
        "description": "Port C bit 10, 5V-tolerant I/O with SPI, USART, UART, LCD, and SDIO functions."
      },
      {
        "number": "112",
        "name": "PC11",
        "type": "bidirectional",
        "description": "Port C bit 11, 5V-tolerant I/O with SPI, USART, UART, LCD, and SDIO functions."
      },
      {
        "number": "113",
        "name": "PC12",
        "type": "bidirectional",
        "description": "Port C bit 12, 5V-tolerant I/O with SPI, USART, UART, LCD, and SDIO functions."
      },
      {
        "number": "114",
        "name": "PD0",
        "type": "bidirectional",
        "description": "Port D bit 0, 5V-tolerant I/O with timer, SPI, and memory data functions."
      },
      {
        "number": "115",
        "name": "PD1",
        "type": "bidirectional",
        "description": "Port D bit 1, 5V-tolerant I/O with SPI and memory data functions."
      },
      {
        "number": "116",
        "name": "PD2",
        "type": "bidirectional",
        "description": "Port D bit 2, 5V-tolerant I/O with timer, UART, LCD, and SDIO functions."
      },
      {
        "number": "117",
        "name": "PD3",
        "type": "bidirectional",
        "description": "Port D bit 3, 5V-tolerant I/O with SPI, USART, and memory clock functions."
      },
      {
        "number": "118",
        "name": "PD4",
        "type": "bidirectional",
        "description": "Port D bit 4, 5V-tolerant I/O with SPI, USART, and memory output functions."
      },
      {
        "number": "119",
        "name": "PD5",
        "type": "bidirectional",
        "description": "Port D bit 5, 5V-tolerant I/O with USART transmit and memory write enable functions."
      },
      {
        "number": "120",
        "name": "VSS_10",
        "type": "power_in",
        "description": "Ground reference pin for GPIO/memory interface block."
      },
      {
        "number": "121",
        "name": "VDD_10",
        "type": "power_in",
        "description": "Supply voltage pin for GPIO/memory interface block, 1.8V to 3.6V."
      },
      {
        "number": "122",
        "name": "PD6",
        "type": "bidirectional",
        "description": "Port D bit 6, 5V-tolerant I/O with USART receive and memory wait functions."
      },
      {
        "number": "123",
        "name": "PD7",
        "type": "bidirectional",
        "description": "Port D bit 7, 5V-tolerant I/O with timer, USART, and memory chip select functions."
      },
      {
        "number": "124",
        "name": "PG9",
        "type": "bidirectional",
        "description": "Port G bit 9, 5V-tolerant I/O with memory chip select function."
      },
      {
        "number": "125",
        "name": "PG10",
        "type": "bidirectional",
        "description": "Port G bit 10, 5V-tolerant I/O with memory chip select function."
      },
      {
        "number": "126",
        "name": "PG11",
        "type": "bidirectional",
        "description": "Port G bit 11, 5V-tolerant I/O general-purpose pin."
      },
      {
        "number": "127",
        "name": "PG12",
        "type": "bidirectional",
        "description": "Port G bit 12, 5V-tolerant I/O with memory chip select function."
      },
      {
        "number": "128",
        "name": "PG13",
        "type": "bidirectional",
        "description": "Port G bit 13, 5V-tolerant I/O with memory address function."
      },
      {
        "number": "129",
        "name": "PG14",
        "type": "bidirectional",
        "description": "Port G bit 14, 5V-tolerant I/O with memory address function."
      },
      {
        "number": "130",
        "name": "VSS_11",
        "type": "power_in",
        "description": "Ground reference pin for GPIO/memory interface block."
      },
      {
        "number": "131",
        "name": "VDD_11",
        "type": "power_in",
        "description": "Supply voltage pin for GPIO/memory interface block, 1.8V to 3.6V."
      },
      {
        "number": "132",
        "name": "PG15",
        "type": "bidirectional",
        "description": "Port G bit 15, 5V-tolerant I/O general-purpose pin."
      },
      {
        "number": "133",
        "name": "PB3",
        "type": "bidirectional",
        "description": "Port B bit 3, 5V-tolerant I/O with JTAG, timer, SPI, LCD, and comparator functions."
      },
      {
        "number": "134",
        "name": "PB4",
        "type": "bidirectional",
        "description": "Port B bit 4, 5V-tolerant I/O with JTAG, timer, SPI, LCD, and comparator functions."
      },
      {
        "number": "135",
        "name": "PB5",
        "type": "bidirectional",
        "description": "Port B bit 5, 5V-tolerant I/O with timer, I2C, SPI, LCD, and comparator functions."
      },
      {
        "number": "136",
        "name": "PB6",
        "type": "bidirectional",
        "description": "Port B bit 6, 5V-tolerant I/O with timer, I2C clock, USART, and comparator functions."
      },
      {
        "number": "137",
        "name": "PB7",
        "type": "bidirectional",
        "description": "Port B bit 7, 5V-tolerant I/O with timer, I2C, USART, memory, and comparator functions."
      },
      {
        "number": "138",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot mode selection pin; high selects bootloader, low selects user program at reset."
      },
      {
        "number": "139",
        "name": "PB8",
        "type": "bidirectional",
        "description": "Port B bit 8, 5V-tolerant I/O with timer, I2C clock, LCD, and SDIO functions."
      },
      {
        "number": "140",
        "name": "PB9",
        "type": "bidirectional",
        "description": "Port B bit 9, 5V-tolerant I/O with timer, I2C data, LCD, and SDIO functions."
      },
      {
        "number": "141",
        "name": "PE0",
        "type": "bidirectional",
        "description": "Port E bit 0, 5V-tolerant I/O with timer, LCD, and memory functions."
      },
      {
        "number": "142",
        "name": "PE1",
        "type": "bidirectional",
        "description": "Port E bit 1, 5V-tolerant I/O with timer, LCD, and memory functions."
      },
      {
        "number": "143",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Ground reference pin for GPIO/core logic block."
      },
      {
        "number": "144",
        "name": "VDD_3",
        "type": "power_in",
        "description": "Supply voltage pin for GPIO/core logic block, 1.8V to 3.6V."
      }
    ],
    "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": [],
        "pages_sent": 65,
        "cost_usd": 0.5459,
        "at": "2026-10-06T01:11:29"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588893528462405632",
        "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"
    }
  }
}