STM32F105VBT6

{
  "slug": "stm32f105vbt6",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-100(14x14). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "stm32f105vbt6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm32f105vbt6.kicad_sym",
    "stm32f105vbt6.kicad_mod",
    "stm32f105vbt6.glb",
    "stm32f105vbt6.step",
    "stm32f105vbt6.lbr",
    "docs/hero.png",
    "docs/stm32f105vbt6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stm32f105vbt6-hero.glb",
    "stm32f105vbt6-hero.overlay.json"
  ],
  "component": {
    "mpn": "STM32F105VBT6",
    "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/8588919243890413568",
    "parts": {
      "symbol": "stm32f105vbt6.kicad_sym",
      "footprint": "stm32f105vbt6.kicad_mod",
      "model_3d": "stm32f105vbt6-hero.glb",
      "model_3d_plain": "stm32f105vbt6.glb",
      "model_3d_step": "stm32f105vbt6-etched.step",
      "model_3d_step_plain": "stm32f105vbt6.step",
      "lbr": "stm32f105vbt6.lbr"
    },
    "distributor_links": {
      "lcsc": "C1337628",
      "digikey": "497-8919-ND",
      "mouser": "511-STM32F105VBT6"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T21:49:28Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-8919-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32F105VBT6",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PE2",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PE2; alternate function TRACECK (ETM trace clock)."
      },
      {
        "number": "2",
        "name": "PE3",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PE3; alternate function TRACED0 (ETM trace)."
      },
      {
        "number": "3",
        "name": "PE4",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PE4; alternate function TRACED1 (ETM trace)."
      },
      {
        "number": "4",
        "name": "PE5",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PE5; alternate function TRACED2 (ETM trace)."
      },
      {
        "number": "5",
        "name": "PE6",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PE6; alternate function TRACED3 (ETM trace)."
      },
      {
        "number": "6",
        "name": "VBAT",
        "type": "power_in",
        "description": "Power supply for the RTC, the 32 kHz oscillator and backup registers when VDD is not present, 1.8 to 3.6 V."
      },
      {
        "number": "7",
        "name": "PC13-TAMPER-RTC",
        "type": "bidirectional",
        "description": "GPIO PC13 supplied through the power switch, usable in output only at 2 MHz with max 30 pF load and only one such pin at a time; alternate function TAMPER-RTC."
      },
      {
        "number": "8",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "GPIO PC14 supplied through the power switch, usable in output only at 2 MHz with max 30 pF load and only one such pin at a time; alternate function OSC32_IN (32 kHz oscillator input)."
      },
      {
        "number": "9",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "GPIO PC15 supplied through the power switch, usable in output only at 2 MHz with max 30 pF load and only one such pin at a time; alternate function OSC32_OUT (32 kHz oscillator output)."
      },
      {
        "number": "10",
        "name": "VSS_5",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "11",
        "name": "VDD_5",
        "type": "power_in",
        "description": "Digital supply for I/Os and internal regulator, 2.0 to 3.6 V."
      },
      {
        "number": "12",
        "name": "OSC_IN",
        "type": "input",
        "description": "HSE oscillator input for a 3-25 MHz crystal or external clock."
      },
      {
        "number": "13",
        "name": "OSC_OUT",
        "type": "output",
        "description": "HSE oscillator output for a 3-25 MHz crystal."
      },
      {
        "number": "14",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Active-low reset pin; electrical limits are given in Section 5.3.14 (NRST pin characteristics)."
      },
      {
        "number": "15",
        "name": "PC0",
        "type": "bidirectional",
        "description": "Standard GPIO PC0 (not 5 V tolerant per Table 5); alternate function ADC12_IN10 analog input."
      },
      {
        "number": "16",
        "name": "PC1",
        "type": "bidirectional",
        "description": "Standard GPIO PC1 (not 5 V tolerant per Table 5); alternate functions ADC12_IN11 and Ethernet MDC."
      },
      {
        "number": "17",
        "name": "PC2",
        "type": "bidirectional",
        "description": "Standard GPIO PC2 (not 5 V tolerant per Table 5); alternate functions ADC12_IN12 and ETH_MII_TXD2."
      },
      {
        "number": "18",
        "name": "PC3",
        "type": "bidirectional",
        "description": "Standard GPIO PC3 (not 5 V tolerant per Table 5); alternate functions ADC12_IN13 and ETH_MII_TX_CLK."
      },
      {
        "number": "19",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground for the ADC, reset blocks, RCs and PLL; must be connected to VSS."
      },
      {
        "number": "20",
        "name": "VREF-",
        "type": "power_in",
        "description": "Negative reference voltage input for the ADC."
      },
      {
        "number": "21",
        "name": "VREF+",
        "type": "power_in",
        "description": "Positive reference voltage input for the ADC and DAC."
      },
      {
        "number": "22",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply for the ADC, reset blocks, RCs and PLL, 2.0 to 3.6 V; minimum 2.4 V when the ADC is used; must be connected to VDD."
      },
      {
        "number": "23",
        "name": "PA0-WKUP",
        "type": "bidirectional",
        "description": "Standard GPIO PA0; WKUP wakeup input, with alternate functions ADC12_IN0, TIM2_CH1_ETR, USART2_CTS and TIM5_CH1."
      },
      {
        "number": "24",
        "name": "PA1",
        "type": "bidirectional",
        "description": "Standard GPIO PA1; alternate functions USART2_RTS, ADC12_IN1, TIM5_CH2 and TIM2_CH2."
      },
      {
        "number": "25",
        "name": "PA2",
        "type": "bidirectional",
        "description": "Standard GPIO PA2; alternate functions USART2_TX, TIM5_CH3, ADC12_IN2 and TIM2_CH3."
      },
      {
        "number": "26",
        "name": "PA3",
        "type": "bidirectional",
        "description": "Standard GPIO PA3; alternate functions USART2_RX, TIM5_CH4, ADC12_IN3 and TIM2_CH4."
      },
      {
        "number": "27",
        "name": "VSS_4",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "28",
        "name": "VDD_4",
        "type": "power_in",
        "description": "Digital supply for I/Os and internal regulator, 2.0 to 3.6 V."
      },
      {
        "number": "29",
        "name": "PA4",
        "type": "bidirectional",
        "description": "Standard GPIO PA4; alternate functions DAC_OUT1, ADC12_IN4, SPI1_NSS, USART2_CK and SPI3_NSS/I2S3_WS."
      },
      {
        "number": "30",
        "name": "PA5",
        "type": "bidirectional",
        "description": "Standard GPIO PA5; alternate functions DAC_OUT2, ADC12_IN5 and SPI1_SCK."
      },
      {
        "number": "31",
        "name": "PA6",
        "type": "bidirectional",
        "description": "Standard GPIO PA6; alternate functions SPI1_MISO, ADC12_IN6, TIM3_CH1 and TIM1_BKIN."
      },
      {
        "number": "32",
        "name": "PA7",
        "type": "bidirectional",
        "description": "Standard GPIO PA7; alternate functions SPI1_MOSI, ADC12_IN7, TIM3_CH2, TIM1_CH1N and Ethernet RX_DV/CRS_DV."
      },
      {
        "number": "33",
        "name": "PC4",
        "type": "bidirectional",
        "description": "Standard GPIO PC4; alternate functions ADC12_IN14 and Ethernet RXD0."
      },
      {
        "number": "34",
        "name": "PC5",
        "type": "bidirectional",
        "description": "Standard GPIO PC5; alternate functions ADC12_IN15 and Ethernet RXD1."
      },
      {
        "number": "35",
        "name": "PB0",
        "type": "bidirectional",
        "description": "Standard GPIO PB0; alternate functions ADC12_IN8, TIM3_CH3, TIM1_CH2N and Ethernet RXD2."
      },
      {
        "number": "36",
        "name": "PB1",
        "type": "bidirectional",
        "description": "Standard GPIO PB1; alternate functions ADC12_IN9, TIM3_CH4, TIM1_CH3N and Ethernet RXD3."
      },
      {
        "number": "37",
        "name": "PB2/BOOT1",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PB2 that shares its pin with the BOOT1 boot-mode selection function."
      },
      {
        "number": "38",
        "name": "PE7",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PE7; alternate function TIM1_ETR."
      },
      {
        "number": "39",
        "name": "PE8",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PE8; alternate function TIM1_CH1N."
      },
      {
        "number": "40",
        "name": "PE9",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PE9; alternate function TIM1_CH1."
      },
      {
        "number": "41",
        "name": "PE10",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PE10; alternate function TIM1_CH2N."
      },
      {
        "number": "42",
        "name": "PE11",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PE11; alternate function TIM1_CH2."
      },
      {
        "number": "43",
        "name": "PE12",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PE12; alternate function TIM1_CH3N."
      },
      {
        "number": "44",
        "name": "PE13",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PE13; alternate function TIM1_CH3."
      },
      {
        "number": "45",
        "name": "PE14",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PE14; alternate function TIM1_CH4."
      },
      {
        "number": "46",
        "name": "PE15",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PE15; alternate function TIM1_BKIN."
      },
      {
        "number": "47",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PB10; alternate functions I2C2_SCL, USART3_TX, Ethernet RX_ER and TIM2_CH3 (I2C2 not available when Ethernet is used)."
      },
      {
        "number": "48",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PB11; alternate functions I2C2_SDA, USART3_RX, Ethernet TX_EN and TIM2_CH4 (I2C2 not available when Ethernet is used)."
      },
      {
        "number": "49",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "50",
        "name": "VDD_1",
        "type": "power_in",
        "description": "Digital supply for I/Os and internal regulator, 2.0 to 3.6 V."
      },
      {
        "number": "51",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PB12; alternate functions SPI2_NSS/I2S2_WS, I2C2_SMBA, USART3_CK, TIM1_BKIN, CAN2_RX and Ethernet TXD0."
      },
      {
        "number": "52",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PB13; alternate functions SPI2_SCK/I2S2_CK, USART3_CTS, TIM1_CH1N, CAN2_TX and Ethernet TXD1."
      },
      {
        "number": "53",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PB14; alternate functions SPI2_MISO, TIM1_CH2N and USART3_RTS."
      },
      {
        "number": "54",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PB15; alternate functions SPI2_MOSI/I2S2_SD and TIM1_CH3N."
      },
      {
        "number": "55",
        "name": "PD8",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PD8; alternate functions USART3_TX and Ethernet RX_DV/CRS_DV."
      },
      {
        "number": "56",
        "name": "PD9",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PD9; alternate functions USART3_RX and Ethernet RXD0."
      },
      {
        "number": "57",
        "name": "PD10",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PD10; alternate functions USART3_CK and Ethernet RXD1."
      },
      {
        "number": "58",
        "name": "PD11",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PD11; alternate functions USART3_CTS and Ethernet RXD2."
      },
      {
        "number": "59",
        "name": "PD12",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PD12; alternate functions TIM4_CH1, USART3_RTS and Ethernet RXD3."
      },
      {
        "number": "60",
        "name": "PD13",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PD13; alternate function TIM4_CH2."
      },
      {
        "number": "61",
        "name": "PD14",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PD14; alternate function TIM4_CH3."
      },
      {
        "number": "62",
        "name": "PD15",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PD15; alternate function TIM4_CH4."
      },
      {
        "number": "63",
        "name": "PC6",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PC6; alternate functions I2S2_MCK and TIM3_CH1."
      },
      {
        "number": "64",
        "name": "PC7",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PC7; alternate functions I2S3_MCK and TIM3_CH2."
      },
      {
        "number": "65",
        "name": "PC8",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PC8; alternate function TIM3_CH3."
      },
      {
        "number": "66",
        "name": "PC9",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PC9; alternate function TIM3_CH4."
      },
      {
        "number": "67",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PA8; alternate functions USART1_CK, OTG_FS_SOF, TIM1_CH1 and MCO."
      },
      {
        "number": "68",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PA9; alternate functions USART1_TX, TIM1_CH2 and OTG_FS_VBUS."
      },
      {
        "number": "69",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PA10; alternate functions USART1_RX, TIM1_CH3 and OTG_FS_ID."
      },
      {
        "number": "70",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PA11; alternate functions USART1_CTS, CAN1_RX, TIM1_CH4 and OTG_FS_DM."
      },
      {
        "number": "71",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PA12; alternate functions USART1_RTS, OTG_FS_DP, CAN1_TX and TIM1_ETR."
      },
      {
        "number": "72",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PA13; default function JTMS-SWDIO (serial wire debug data)."
      },
      {
        "number": "73",
        "name": "NC",
        "type": "unconnected",
        "description": "Pin marked 'Not connected' in Table 5 for the LQFP100 package; leave unconnected."
      },
      {
        "number": "74",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "75",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Digital supply for I/Os and internal regulator, 2.0 to 3.6 V."
      },
      {
        "number": "76",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PA14; default function JTCK-SWCLK (serial wire debug clock)."
      },
      {
        "number": "77",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PA15; default function JTDI; alternate functions SPI3_NSS/I2S3_WS, TIM2_CH1_ETR and SPI1_NSS."
      },
      {
        "number": "78",
        "name": "PC10",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PC10; alternate functions UART4_TX, USART3_TX and SPI3_SCK/I2S3_CK."
      },
      {
        "number": "79",
        "name": "PC11",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PC11; alternate functions UART4_RX, USART3_RX and SPI3_MISO."
      },
      {
        "number": "80",
        "name": "PC12",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PC12; alternate functions UART5_TX, USART3_CK and SPI3_MOSI/I2S3_SD."
      },
      {
        "number": "81",
        "name": "PD0",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PD0 available by default on LQFP100; alternate functions OSC_IN and CAN1_RX."
      },
      {
        "number": "82",
        "name": "PD1",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PD1 available by default on LQFP100; alternate functions OSC_OUT and CAN1_TX."
      },
      {
        "number": "83",
        "name": "PD2",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PD2; alternate functions TIM3_ETR and UART5_RX."
      },
      {
        "number": "84",
        "name": "PD3",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PD3; alternate function USART2_CTS."
      },
      {
        "number": "85",
        "name": "PD4",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PD4; alternate function USART2_RTS."
      },
      {
        "number": "86",
        "name": "PD5",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PD5; alternate function USART2_TX."
      },
      {
        "number": "87",
        "name": "PD6",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PD6; alternate function USART2_RX."
      },
      {
        "number": "88",
        "name": "PD7",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PD7; alternate function USART2_CK."
      },
      {
        "number": "89",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PB3; default function JTDO; alternate functions TRACESWO, TIM2_CH2, SPI3_SCK/I2S3_CK and SPI1_SCK."
      },
      {
        "number": "90",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PB4; default function NJTRST; alternate functions SPI3_MISO, TIM3_CH1 and SPI1_MISO."
      },
      {
        "number": "91",
        "name": "PB5",
        "type": "bidirectional",
        "description": "Standard GPIO PB5 (not 5 V tolerant per Table 5); alternate functions I2C1_SMBA, SPI3_MOSI/I2S3_SD, Ethernet PPS_OUT, TIM3_CH2, SPI1_MOSI and CAN2_RX."
      },
      {
        "number": "92",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PB6; alternate functions I2C1_SCL, TIM4_CH1, USART1_TX and CAN2_TX."
      },
      {
        "number": "93",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PB7; alternate functions I2C1_SDA, TIM4_CH2 and USART1_RX."
      },
      {
        "number": "94",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot mode selection pin sampled at startup to select user Flash, system memory or embedded SRAM boot."
      },
      {
        "number": "95",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PB8; alternate functions TIM4_CH3, Ethernet TXD3, I2C1_SCL and CAN1_RX."
      },
      {
        "number": "96",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PB9; alternate functions TIM4_CH4, I2C1_SDA and CAN1_TX."
      },
      {
        "number": "97",
        "name": "PE0",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PE0; alternate function TIM4_ETR."
      },
      {
        "number": "98",
        "name": "PE1",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PE1; no alternate function listed in Table 5."
      },
      {
        "number": "99",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "100",
        "name": "VDD_3",
        "type": "power_in",
        "description": "Digital supply for I/Os and internal regulator, 2.0 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: Figure 3 (LQFP100 pinout drawing) is not legible in the extracted text. The pin-to-name mapping was ; Table 5 lists pin 73 as 'Not connected' with no name. It is recorded as NC with type unconnected.; Table 5 has rows marked VSS_7 and VDD_7 with no LQFP100 pin number. These are BGA100-only and were o"
        ],
        "pages_sent": 50,
        "cost_usd": 0.3064,
        "at": "2026-10-08T21:48:47"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588919243890413568",
        "pages": 108,
        "sha256": "ca4bad652e5eb36d",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 100,
        "described": 100,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "stm32f105vbt6.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
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        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "51720097260ffba41c3062f85f67623721102fa535901c47cb555a1f444feeb3",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm32f105vbt6-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": 0.0,
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        "sha256": "a041983ea40dd6c453cb629baa84485f36b18a55ac670f46eed60e10f93f9524",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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}