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Ray Set visibility: public a6d5bdb 2d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "stm32f103vbt6tr",
  "title": "STM32F103VBT6TR",
  "brief": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-100(14x14). 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",
    "stm32f103vbt6tr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "STM32F103VBT6TR",
    "manufacturer": "STMicroelectronics",
    "package": "LQFP-100(14x14)",
    "pin_count": 100,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588943333003022336",
    "parts": {
      "symbol": "stm32f103vbt6tr.kicad_sym",
      "footprint": "stm32f103vbt6tr.kicad_mod",
      "model_3d": "stm32f103vbt6tr-hero.glb",
      "model_3d_plain": "stm32f103vbt6tr.glb",
      "model_3d_step": "stm32f103vbt6tr-etched.step",
      "model_3d_step_plain": "stm32f103vbt6tr.step",
      "lbr": "stm32f103vbt6tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2053830",
      "digikey": "497-17392-2-ND",
      "mouser": "511-STM32F103VBT6TR"
    },
    "distributor_check": {
      "checked_at": "2026-10-07T22:09:03Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-17392-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32F103VBT6TR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PE2",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PE2, alternate function TRACECK (trace clock)."
      },
      {
        "number": "2",
        "name": "PE3",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PE3, alternate function TRACED0."
      },
      {
        "number": "3",
        "name": "PE4",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PE4, alternate function TRACED1."
      },
      {
        "number": "4",
        "name": "PE5",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PE5, alternate function TRACED2."
      },
      {
        "number": "5",
        "name": "PE6",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PE6, alternate function TRACED3."
      },
      {
        "number": "6",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup power supply for the RTC and backup registers."
      },
      {
        "number": "7",
        "name": "PC13-TAMPER-RTC",
        "type": "bidirectional",
        "description": "GPIO supplied through the power switch, which sinks at most 3 mA; use at 2 MHz max with 30 pF load and never as a current source (e.g. LED drive)."
      },
      {
        "number": "8",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "GPIO supplied through the power switch (3 mA sink limit, 2 MHz max with 30 pF load, not to be used as a current source); default function OSC32_IN for the 32.768 kHz oscillator."
      },
      {
        "number": "9",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "GPIO supplied through the power switch (3 mA sink limit, 2 MHz max with 30 pF load, not to be used as a current source); default function OSC32_OUT for the 32.768 kHz oscillator."
      },
      {
        "number": "10",
        "name": "VSS_5",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "11",
        "name": "VDD_5",
        "type": "power_in",
        "description": "Digital supply; the application supply and I/Os operate from 2.0 to 3.6 V."
      },
      {
        "number": "12",
        "name": "OSC_IN",
        "type": "input",
        "description": "External 4-16 MHz crystal oscillator input (HSE); on LQFP100 PD0 is on pin 81 and needs no remap."
      },
      {
        "number": "13",
        "name": "OSC_OUT",
        "type": "output",
        "description": "External 4-16 MHz crystal oscillator output (HSE)."
      },
      {
        "number": "14",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Reset pin listed as I/O in Table 5; its electrical limits are in section 5.3.14, which is not in the supplied text."
      },
      {
        "number": "15",
        "name": "PC0",
        "type": "bidirectional",
        "description": "Standard I/O (not 5 V-tolerant); default function PC0, alternate function ADC12_IN10."
      },
      {
        "number": "16",
        "name": "PC1",
        "type": "bidirectional",
        "description": "Standard I/O (not 5 V-tolerant); default function PC1, alternate function ADC12_IN11."
      },
      {
        "number": "17",
        "name": "PC2",
        "type": "bidirectional",
        "description": "Standard I/O (not 5 V-tolerant); default function PC2, alternate function ADC12_IN12."
      },
      {
        "number": "18",
        "name": "PC3",
        "type": "bidirectional",
        "description": "Standard I/O (not 5 V-tolerant); default function PC3, alternate function ADC12_IN13."
      },
      {
        "number": "19",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground for the ADC and reference."
      },
      {
        "number": "20",
        "name": "VREF-",
        "type": "power_in",
        "description": "ADC negative reference voltage input."
      },
      {
        "number": "21",
        "name": "VREF+",
        "type": "power_in",
        "description": "ADC positive reference voltage input."
      },
      {
        "number": "22",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply for the ADC; the temperature sensor conversion range requires 2 V < VDDA < 3.6 V."
      },
      {
        "number": "23",
        "name": "PA0-WKUP",
        "type": "bidirectional",
        "description": "Standard I/O (not 5 V-tolerant); default function PA0, with WKUP wake-up and alternate functions USART2_CTS, ADC12_IN0, TIM2_CH1_ETR."
      },
      {
        "number": "24",
        "name": "PA1",
        "type": "bidirectional",
        "description": "Standard I/O (not 5 V-tolerant); default function PA1, alternate functions USART2_RTS, ADC12_IN1, TIM2_CH2."
      },
      {
        "number": "25",
        "name": "PA2",
        "type": "bidirectional",
        "description": "Standard I/O (not 5 V-tolerant); default function PA2, alternate functions USART2_TX, ADC12_IN2, TIM2_CH3."
      },
      {
        "number": "26",
        "name": "PA3",
        "type": "bidirectional",
        "description": "Standard I/O (not 5 V-tolerant); default function PA3, alternate functions USART2_RX, ADC12_IN3, TIM2_CH4."
      },
      {
        "number": "27",
        "name": "VSS_4",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "28",
        "name": "VDD_4",
        "type": "power_in",
        "description": "Digital supply; the application supply and I/Os operate from 2.0 to 3.6 V."
      },
      {
        "number": "29",
        "name": "PA4",
        "type": "bidirectional",
        "description": "Standard I/O (not 5 V-tolerant); default function PA4, alternate functions SPI1_NSS, USART2_CK, ADC12_IN4."
      },
      {
        "number": "30",
        "name": "PA5",
        "type": "bidirectional",
        "description": "Standard I/O (not 5 V-tolerant); default function PA5, alternate functions SPI1_SCK, ADC12_IN5."
      },
      {
        "number": "31",
        "name": "PA6",
        "type": "bidirectional",
        "description": "Standard I/O (not 5 V-tolerant); default function PA6, alternate functions SPI1_MISO, ADC12_IN6, TIM3_CH1, remap TIM1_BKIN."
      },
      {
        "number": "32",
        "name": "PA7",
        "type": "bidirectional",
        "description": "Standard I/O (not 5 V-tolerant); default function PA7, alternate functions SPI1_MOSI, ADC12_IN7, TIM3_CH2, remap TIM1_CH1N."
      },
      {
        "number": "33",
        "name": "PC4",
        "type": "bidirectional",
        "description": "Standard I/O (not 5 V-tolerant); default function PC4, alternate function ADC12_IN14."
      },
      {
        "number": "34",
        "name": "PC5",
        "type": "bidirectional",
        "description": "Standard I/O (not 5 V-tolerant); default function PC5, alternate function ADC12_IN15."
      },
      {
        "number": "35",
        "name": "PB0",
        "type": "bidirectional",
        "description": "Standard I/O (not 5 V-tolerant); default function PB0, alternate functions ADC12_IN8, TIM3_CH3, remap TIM1_CH2N."
      },
      {
        "number": "36",
        "name": "PB1",
        "type": "bidirectional",
        "description": "Standard I/O (not 5 V-tolerant); default function PB1, alternate functions ADC12_IN9, TIM3_CH4, remap TIM1_CH3N."
      },
      {
        "number": "37",
        "name": "PB2/BOOT1",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO PB2, which also serves as the BOOT1 boot-mode pin."
      },
      {
        "number": "38",
        "name": "PE7",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PE7, remap alternate function TIM1_ETR."
      },
      {
        "number": "39",
        "name": "PE8",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PE8, remap alternate function TIM1_CH1N."
      },
      {
        "number": "40",
        "name": "PE9",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PE9, remap alternate function TIM1_CH1."
      },
      {
        "number": "41",
        "name": "PE10",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PE10, remap alternate function TIM1_CH2N."
      },
      {
        "number": "42",
        "name": "PE11",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PE11, remap alternate function TIM1_CH2."
      },
      {
        "number": "43",
        "name": "PE12",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PE12, remap alternate function TIM1_CH3N."
      },
      {
        "number": "44",
        "name": "PE13",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PE13, remap alternate function TIM1_CH3."
      },
      {
        "number": "45",
        "name": "PE14",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PE14, remap alternate function TIM1_CH4."
      },
      {
        "number": "46",
        "name": "PE15",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PE15, remap alternate function TIM1_BKIN."
      },
      {
        "number": "47",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PB10, alternate functions I2C2_SCL, USART3_TX, TIM2_CH3."
      },
      {
        "number": "48",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PB11, alternate functions I2C2_SDA, USART3_RX, TIM2_CH4."
      },
      {
        "number": "49",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "50",
        "name": "VDD_1",
        "type": "power_in",
        "description": "Digital supply; the application supply and I/Os operate from 2.0 to 3.6 V."
      },
      {
        "number": "51",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PB12, alternate functions SPI2_NSS, I2C2_SMBAL, USART3_CK, TIM1_BKIN."
      },
      {
        "number": "52",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PB13, alternate functions SPI2_SCK, USART3_CTS, TIM1_CH1N."
      },
      {
        "number": "53",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PB14, alternate functions SPI2_MISO, USART3_RTS, TIM1_CH2N."
      },
      {
        "number": "54",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PB15, alternate functions SPI2_MOSI, TIM1_CH3N."
      },
      {
        "number": "55",
        "name": "PD8",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PD8, alternate function USART3_TX."
      },
      {
        "number": "56",
        "name": "PD9",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PD9, alternate function USART3_RX."
      },
      {
        "number": "57",
        "name": "PD10",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PD10, alternate function USART3_CK."
      },
      {
        "number": "58",
        "name": "PD11",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PD11, alternate function USART3_CTS."
      },
      {
        "number": "59",
        "name": "PD12",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PD12, alternate functions TIM4_CH1 and USART3_RTS."
      },
      {
        "number": "60",
        "name": "PD13",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PD13, alternate function TIM4_CH2."
      },
      {
        "number": "61",
        "name": "PD14",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PD14, alternate function TIM4_CH3."
      },
      {
        "number": "62",
        "name": "PD15",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PD15, alternate function TIM4_CH4."
      },
      {
        "number": "63",
        "name": "PC6",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PC6, alternate function TIM3_CH1."
      },
      {
        "number": "64",
        "name": "PC7",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PC7, alternate function TIM3_CH2."
      },
      {
        "number": "65",
        "name": "PC8",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PC8, alternate function TIM3_CH3."
      },
      {
        "number": "66",
        "name": "PC9",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PC9, alternate function TIM3_CH4."
      },
      {
        "number": "67",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PA8, alternate functions USART1_CK, TIM1_CH1, MCO."
      },
      {
        "number": "68",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PA9, alternate functions USART1_TX, TIM1_CH2."
      },
      {
        "number": "69",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PA10, alternate functions USART1_RX, TIM1_CH3."
      },
      {
        "number": "70",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PA11, alternate functions USART1_CTS, CANRX, USBDM, TIM1_CH4."
      },
      {
        "number": "71",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PA12, alternate functions USART1_RTS, CANTX, USBDP, TIM1_ETR."
      },
      {
        "number": "72",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function JTMS/SWDIO (SWJ debug)."
      },
      {
        "number": "73",
        "name": "NC",
        "type": "unconnected",
        "description": "Listed as 'Not connected' for the LQFP100 package."
      },
      {
        "number": "74",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "75",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Digital supply; the application supply and I/Os operate from 2.0 to 3.6 V."
      },
      {
        "number": "76",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function JTCK/SWCLK (SWJ debug)."
      },
      {
        "number": "77",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function JTDI, alternate functions TIM2_CH1_ETR and SPI1_NSS (remap)."
      },
      {
        "number": "78",
        "name": "PC10",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PC10, alternate function USART3_TX."
      },
      {
        "number": "79",
        "name": "PC11",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PC11, alternate function USART3_RX."
      },
      {
        "number": "80",
        "name": "PC12",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PC12, alternate function USART3_CK."
      },
      {
        "number": "81",
        "name": "PD0",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; alternate function CANRX, and usable only at 50 MHz in output mode."
      },
      {
        "number": "82",
        "name": "PD1",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; alternate function CANTX, and usable only at 50 MHz in output mode."
      },
      {
        "number": "83",
        "name": "PD2",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PD2, alternate function TIM3_ETR."
      },
      {
        "number": "84",
        "name": "PD3",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PD3, alternate function USART2_CTS."
      },
      {
        "number": "85",
        "name": "PD4",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PD4, alternate function USART2_RTS."
      },
      {
        "number": "86",
        "name": "PD5",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PD5, alternate function USART2_TX."
      },
      {
        "number": "87",
        "name": "PD6",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PD6, alternate function USART2_RX."
      },
      {
        "number": "88",
        "name": "PD7",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PD7, alternate function USART2_CK."
      },
      {
        "number": "89",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function JTDO/TRACESWO, alternate functions TIM2_CH2 and SPI1_SCK (remap)."
      },
      {
        "number": "90",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function JNTRST, alternate functions TIM3_CH1 and SPI1_MISO (remap)."
      },
      {
        "number": "91",
        "name": "PB5",
        "type": "bidirectional",
        "description": "Standard I/O (not 5 V-tolerant); alternate functions I2C1_SMBAL, TIM3_CH2 and SPI1_MOSI (remap)."
      },
      {
        "number": "92",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PB6, alternate functions I2C1_SCL, TIM4_CH1, USART1_TX."
      },
      {
        "number": "93",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PB7, alternate functions I2C1_SDA, TIM4_CH2, USART1_RX."
      },
      {
        "number": "94",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot-mode selection input BOOT0; Table 5 gives no 5 V tolerance for this pin."
      },
      {
        "number": "95",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PB8, alternate functions TIM4_CH3, I2C1_SCL, CANRX."
      },
      {
        "number": "96",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PB9, alternate functions TIM4_CH4, I2C1_SDA, CANTX."
      },
      {
        "number": "97",
        "name": "PE0",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PE0, alternate function TIM4_ETR."
      },
      {
        "number": "98",
        "name": "PE1",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) GPIO; default function PE1, with no alternate function listed in Table 5."
      },
      {
        "number": "99",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "100",
        "name": "VDD_3",
        "type": "power_in",
        "description": "Digital supply; the application supply and I/Os operate from 2.0 to 3.6 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "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: Pinout taken from the LQFP100 column of Table 5 (pin definitions); the Figure 4 LQFP100 pinout graph; Electrical limits for NRST (section 5.3.14) and the 5 V-tolerance/I/O characteristics beyond Table 5; Pin 73 is listed as 'Not connected' in Table 5 for LQFP100 and is typed unconnected."
        ],
        "pages_sent": 66,
        "cost_usd": 0.3222,
        "at": "2026-10-07T22:08:30"
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      "datasheet": {
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        "pages": 117,
        "sha256": "4741c03c5793745c",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
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        "described": 100,
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        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "extents_mm": [
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        "sha256": "51720097260ffba41c3062f85f67623721102fa535901c47cb555a1f444feeb3",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm32f103vbt6tr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "a48096ae33c14f4b9383d3b248bfea8a1e0f9bead3597add13a94093ab1268a6",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "LQFP-100(14x14)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "100"
    }
  },
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  "discovery_triggers": [
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  "discovery_pitch": "STM32F103VBT6TR (STMicroelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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