CH32F207VCT6

{
  "slug": "ch32f207vct6",
  "version": "0.1.0",
  "type": "component",
  "description": "WCH(Jiangsu Qin Heng) Microcontroller Units (MCUs/MPUs/SOCs), LQFP-100(14x14). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "single chip microcomputer-microcontroller",
    "ch32f207vct6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ch32f207vct6.kicad_sym",
    "ch32f207vct6.kicad_mod",
    "ch32f207vct6.glb",
    "ch32f207vct6.step",
    "ch32f207vct6.lbr",
    "docs/hero.png",
    "docs/ch32f207vct6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ch32f207vct6-hero.glb",
    "ch32f207vct6-hero.overlay.json",
    "ch32f207vct6-etched.glb"
  ],
  "component": {
    "mpn": "CH32F207VCT6",
    "manufacturer": "WCH(Jiangsu Qin Heng)",
    "package": "LQFP-100(14x14)",
    "pin_count": 100,
    "category": "Single Chip Microcomputer/Microcontroller",
    "subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/30928fb86165f410bd442c40f7ad100c.pdf",
    "parts": {
      "symbol": "ch32f207vct6.kicad_sym",
      "footprint": "ch32f207vct6.kicad_mod",
      "model_3d": "ch32f207vct6-hero.glb",
      "model_3d_plain": "ch32f207vct6-etched.glb",
      "model_3d_step": "ch32f207vct6-etched.step",
      "model_3d_step_plain": "ch32f207vct6.step",
      "lbr": "ch32f207vct6.lbr"
    },
    "distributor_links": {
      "lcsc": "C5155971"
    },
    "distributor_check": {
      "checked_at": "2026-10-24T00:24:06Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PE2",
        "type": "bidirectional",
        "description": "GPIO PE2, 5V tolerant (FT), alternate functions FSMC_A23 and remap TIM10_BKIN_2."
      },
      {
        "number": "2",
        "name": "PE3",
        "type": "bidirectional",
        "description": "GPIO PE3, 5V tolerant (FT), alternate functions FSMC_A19 and remap TIM10_CH1N_2."
      },
      {
        "number": "3",
        "name": "PE4",
        "type": "bidirectional",
        "description": "GPIO PE4, 5V tolerant (FT), alternate functions FSMC_A20 and remap TIM10_CH2N_2."
      },
      {
        "number": "4",
        "name": "PE5",
        "type": "bidirectional",
        "description": "GPIO PE5, 5V tolerant (FT), alternate functions FSMC_A21 and remap TIM10_CH3N_2."
      },
      {
        "number": "5",
        "name": "PE6",
        "type": "bidirectional",
        "description": "GPIO PE6, 5V tolerant (FT), alternate function FSMC_A22."
      },
      {
        "number": "6",
        "name": "VBAT",
        "type": "power_in",
        "description": "Battery supply of 1.8~3.6V that powers the RTC, external low-frequency oscillator and backup registers when VDD is off."
      },
      {
        "number": "7",
        "name": "PC13/TAMPER-RTC",
        "type": "bidirectional",
        "description": "GPIO PC13 / TAMPER-RTC powered via the backup power switch; as output limited to one pin at a time, 2MHz, 30pF max, 3mA source limit."
      },
      {
        "number": "8",
        "name": "PC14/OSC32IN",
        "type": "bidirectional",
        "description": "GPIO PC14 / OSC32_IN low-speed 32.768kHz oscillator input, powered via backup power switch (3mA limit as output)."
      },
      {
        "number": "9",
        "name": "PC15/OSC32OUT",
        "type": "bidirectional",
        "description": "GPIO PC15 / OSC32_OUT low-speed 32.768kHz oscillator output, powered via backup power switch (3mA limit as output)."
      },
      {
        "number": "10",
        "name": "VSS_5",
        "type": "power_in",
        "description": "Ground for the VDD supply domain (VSS_5)."
      },
      {
        "number": "11",
        "name": "VDD_5",
        "type": "power_in",
        "description": "System power supply VDD, 2.4~3.6V, for some I/O pins and the internal voltage regulator."
      },
      {
        "number": "12",
        "name": "OSC_IN",
        "type": "input",
        "description": "High-speed external 3~25MHz oscillator input (PD0 remap on smaller packages)."
      },
      {
        "number": "13",
        "name": "OSC_OUT",
        "type": "output",
        "description": "High-speed external 3~25MHz oscillator output (PD1 remap on smaller packages)."
      },
      {
        "number": "14",
        "name": "NRST",
        "type": "input",
        "description": "External reset input."
      },
      {
        "number": "15",
        "name": "PC0",
        "type": "bidirectional",
        "description": "GPIO PC0 with analog input ADC_IN10; alternates TIM9_CH1N, UART6_TX, ETH_RGMII_RXC."
      },
      {
        "number": "16",
        "name": "PC1",
        "type": "bidirectional",
        "description": "GPIO PC1 with analog input ADC_IN11; alternates TIM9_CH2N, UART6_RX, ETH MDC/RGMII_RXCTL."
      },
      {
        "number": "17",
        "name": "PC2",
        "type": "bidirectional",
        "description": "GPIO PC2 with analog input ADC_IN12; alternates TIM9_CH3N, UART7_TX, OPA3_CH1N, ETH_MII_TXD2."
      },
      {
        "number": "18",
        "name": "PC3",
        "type": "bidirectional",
        "description": "GPIO PC3 with analog input ADC_IN13; alternates TIM10_CH3, UART7_RX, OPA4_CH1N, ETH_MII_TX_CLK."
      },
      {
        "number": "19",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "20",
        "name": "VREF-",
        "type": "power_in",
        "description": "Negative ADC/DAC reference voltage input."
      },
      {
        "number": "21",
        "name": "VREF+",
        "type": "power_in",
        "description": "Positive ADC/DAC reference voltage input."
      },
      {
        "number": "22",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply 2.4~3.6V for HSI RC analog part, ADC, temperature sensor, DAC and PLL; must equal VIO and be at least 2.4V when using ADC."
      },
      {
        "number": "23",
        "name": "PA0/WKUP/ADC0",
        "type": "bidirectional",
        "description": "GPIO PA0 with WKUP wake-up, ADC_IN0, USART2_CTS, TIM2_CH1/ETR, TIM5_CH1, TIM8_ETR."
      },
      {
        "number": "24",
        "name": "PA1/ADC1",
        "type": "bidirectional",
        "description": "GPIO PA1 with ADC_IN1, USART2_RTS, TIM2_CH2, TIM5_CH2, OPA3_OUT0, ETH_MII_RX_CLK."
      },
      {
        "number": "25",
        "name": "PA2/ADC2",
        "type": "bidirectional",
        "description": "GPIO PA2 with ADC_IN2, USART2_TX, TIM2_CH3, TIM5_CH3, TIM9_CH1, OPA2_OUT0, ETH MDIO."
      },
      {
        "number": "26",
        "name": "PA3/ADC3",
        "type": "bidirectional",
        "description": "GPIO PA3 with ADC_IN3, USART2_RX, TIM2_CH4, TIM5_CH4, TIM9_CH2, OPA1_OUT0, ETH_MII_COL."
      },
      {
        "number": "27",
        "name": "VSS_4",
        "type": "power_in",
        "description": "Ground for the VDD supply domain (VSS_4)."
      },
      {
        "number": "28",
        "name": "VDD_4",
        "type": "power_in",
        "description": "System power supply VDD, 2.4~3.6V (VDD_4)."
      },
      {
        "number": "29",
        "name": "PA4/ADC4/DAC0",
        "type": "bidirectional",
        "description": "GPIO PA4 with ADC_IN4, DAC output 1, SPI1_NSS/SPI3_NSS, USART2_CK, DVP_HSYNC."
      },
      {
        "number": "30",
        "name": "PA5/ADC5/DAC1",
        "type": "bidirectional",
        "description": "GPIO PA5 with ADC_IN5, DAC output 2, SPI1_SCK, DVP_VSYNC, OPA2_CH1N."
      },
      {
        "number": "31",
        "name": "PA6/ADC6",
        "type": "bidirectional",
        "description": "GPIO PA6 with ADC_IN6, SPI1_MISO, TIM3_CH1, DVP_PCLK, OPA1_CH1N."
      },
      {
        "number": "32",
        "name": "PA7/ADC7",
        "type": "bidirectional",
        "description": "GPIO PA7 with ADC_IN7, SPI1_MOSI, TIM3_CH2, OPA2_CH1P, ETH_MII_RX_DV."
      },
      {
        "number": "33",
        "name": "PC4/ADC14",
        "type": "bidirectional",
        "description": "GPIO PC4 with ADC_IN14, TIM9_CH4, UART8_TX, OPA4_CH1P, ETH_MII_RXD0."
      },
      {
        "number": "34",
        "name": "PC5/ADC15",
        "type": "bidirectional",
        "description": "GPIO PC5 with ADC_IN15, TIM9_BKIN, UART8_RX, OPA3_CH1P, ETH_MII_RXD1."
      },
      {
        "number": "35",
        "name": "PB0/ADC8",
        "type": "bidirectional",
        "description": "GPIO PB0 with ADC_IN8, TIM3_CH3, TIM8_CH2N, UART4_TX_1, OPA1_CH1P, ETH_MII_RXD2."
      },
      {
        "number": "36",
        "name": "PB1/ADC9",
        "type": "bidirectional",
        "description": "GPIO PB1 with ADC_IN9, TIM3_CH4, TIM8_CH3N, UART4_RX_1, OPA4_CH0N, ETH_MII_RXD3."
      },
      {
        "number": "37",
        "name": "PB2/BOOT1",
        "type": "bidirectional",
        "description": "GPIO PB2, 5V tolerant, doubles as BOOT1 boot-mode select; also OPA3_CH0N."
      },
      {
        "number": "38",
        "name": "PE7",
        "type": "bidirectional",
        "description": "GPIO port E pin PE7."
      },
      {
        "number": "39",
        "name": "PE8",
        "type": "bidirectional",
        "description": "GPIO port E pin PE8."
      },
      {
        "number": "40",
        "name": "PE9",
        "type": "bidirectional",
        "description": "GPIO port E pin PE9."
      },
      {
        "number": "41",
        "name": "PE10",
        "type": "bidirectional",
        "description": "GPIO port E pin PE10."
      },
      {
        "number": "42",
        "name": "PE11",
        "type": "bidirectional",
        "description": "GPIO port E pin PE11."
      },
      {
        "number": "43",
        "name": "PE12",
        "type": "bidirectional",
        "description": "GPIO port E pin PE12."
      },
      {
        "number": "44",
        "name": "PE13",
        "type": "bidirectional",
        "description": "GPIO port E pin PE13."
      },
      {
        "number": "45",
        "name": "PE14",
        "type": "bidirectional",
        "description": "GPIO port E pin PE14."
      },
      {
        "number": "46",
        "name": "PE15",
        "type": "bidirectional",
        "description": "GPIO port E pin PE15."
      },
      {
        "number": "47",
        "name": "PB10",
        "type": "bidirectional",
        "description": "GPIO PB10 with I2C2_SCL, USART3_TX, OPA2_CH0N, ETH_MII_RX_ER, TIM2_CH3 remap."
      },
      {
        "number": "48",
        "name": "PB11",
        "type": "bidirectional",
        "description": "GPIO PB11 with I2C2_SDA, USART3_RX, OPA1_CH0N, ETH_MII_TX_EN, TIM2_CH4 remap."
      },
      {
        "number": "49",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Ground for the VIO supply domain (VSS_1)."
      },
      {
        "number": "50",
        "name": "VIO_1",
        "type": "power_in",
        "description": "I/O supply 2.4~3.6V for most I/O pins and the Ethernet module; must not exceed VDD."
      },
      {
        "number": "51",
        "name": "PB12",
        "type": "bidirectional",
        "description": "GPIO PB12 with SPI2_NSS/I2S2_WS, I2C2_SMBA, USART3_CK, TIM1_BKIN, CAN2_RX, OPA4_CH0P."
      },
      {
        "number": "52",
        "name": "PB13",
        "type": "bidirectional",
        "description": "GPIO PB13 with SPI2_SCK/I2S2_CK, USART3_CTS, TIM1_CH1N, CAN2_TX, OPA3_CH0P."
      },
      {
        "number": "53",
        "name": "PB14",
        "type": "bidirectional",
        "description": "GPIO PB14 with SPI2_MISO, USART3_RTS, TIM1_CH2N, OPA2_CH0P."
      },
      {
        "number": "54",
        "name": "PB15",
        "type": "bidirectional",
        "description": "GPIO PB15 with SPI2_MOSI/I2S2_SD, TIM1_CH3N, OPA1_CH0P."
      },
      {
        "number": "55",
        "name": "PD8",
        "type": "bidirectional",
        "description": "GPIO port D pin PD8."
      },
      {
        "number": "56",
        "name": "PD9",
        "type": "bidirectional",
        "description": "GPIO port D pin PD9."
      },
      {
        "number": "57",
        "name": "PD10",
        "type": "bidirectional",
        "description": "GPIO port D pin PD10."
      },
      {
        "number": "58",
        "name": "PD11",
        "type": "bidirectional",
        "description": "GPIO port D pin PD11."
      },
      {
        "number": "59",
        "name": "PD12",
        "type": "bidirectional",
        "description": "GPIO port D pin PD12."
      },
      {
        "number": "60",
        "name": "PD13",
        "type": "bidirectional",
        "description": "GPIO port D pin PD13."
      },
      {
        "number": "61",
        "name": "PD14",
        "type": "bidirectional",
        "description": "GPIO port D pin PD14."
      },
      {
        "number": "62",
        "name": "PD15",
        "type": "bidirectional",
        "description": "GPIO port D pin PD15."
      },
      {
        "number": "63",
        "name": "PC6/RXP",
        "type": "bidirectional",
        "description": "GPIO PC6 with TIM8_CH1, I2S2_MCK, SDIO_D6 and ETH_RXP (10M PHY receive positive)."
      },
      {
        "number": "64",
        "name": "PC7/RXN",
        "type": "bidirectional",
        "description": "GPIO PC7 with TIM8_CH2, I2S3_MCK, SDIO_D7 and ETH_RXN (10M PHY receive negative)."
      },
      {
        "number": "65",
        "name": "PC8/TXP",
        "type": "bidirectional",
        "description": "GPIO PC8 with TIM8_CH3, SDIO_D0, DVP_D2 and ETH_TXP (10M PHY transmit positive)."
      },
      {
        "number": "66",
        "name": "PC9/TXN",
        "type": "bidirectional",
        "description": "GPIO PC9 with TIM8_CH4, SDIO_D1, DVP_D3 and ETH_TXN (10M PHY transmit negative)."
      },
      {
        "number": "67",
        "name": "PA8",
        "type": "bidirectional",
        "description": "GPIO PA8, 5V tolerant, with USART1_CK, TIM1_CH1 and MCO clock output."
      },
      {
        "number": "68",
        "name": "PA9",
        "type": "bidirectional",
        "description": "GPIO PA9, 5V tolerant, with USART1_TX, TIM1_CH2, OTG_FS_VBUS, DVP_D0."
      },
      {
        "number": "69",
        "name": "PA10",
        "type": "bidirectional",
        "description": "GPIO PA10, 5V tolerant, with USART1_RX, TIM1_CH3, OTG_FS_ID, DVP_D1."
      },
      {
        "number": "70",
        "name": "PA11/USB1DM",
        "type": "bidirectional",
        "description": "GPIO PA11 with USB1 D- (OTG_FS_DM/USBDM), USART1_CTS, CAN1_RX, TIM1_CH4."
      },
      {
        "number": "71",
        "name": "PA12/USB1DP",
        "type": "bidirectional",
        "description": "GPIO PA12 with USB1 D+ (OTG_FS_DP/USBDP), USART1_RTS, CAN1_TX, TIM1_ETR."
      },
      {
        "number": "72",
        "name": "PA13/SWDIO",
        "type": "bidirectional",
        "description": "GPIO PA13, default SWDIO serial debug data pin, 5V tolerant."
      },
      {
        "number": "73",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "74",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Ground for the VDD supply domain (VSS_2)."
      },
      {
        "number": "75",
        "name": "VDD_2",
        "type": "power_in",
        "description": "System power supply VDD, 2.4~3.6V (VDD_2)."
      },
      {
        "number": "76",
        "name": "PA14/SWCLK",
        "type": "bidirectional",
        "description": "GPIO PA14, default SWCLK serial debug clock pin, 5V tolerant."
      },
      {
        "number": "77",
        "name": "PA15",
        "type": "bidirectional",
        "description": "GPIO PA15, 5V tolerant, with SPI3_NSS/I2S3_WS, SPI1_NSS, TIM2_CH1_ETR remap, UART8_RX_1."
      },
      {
        "number": "78",
        "name": "PC10",
        "type": "bidirectional",
        "description": "GPIO PC10, 5V tolerant, with UART4_TX, SDIO_D2, DVP_D8, SPI3_SCK/I2S3_CK."
      },
      {
        "number": "79",
        "name": "PC11",
        "type": "bidirectional",
        "description": "GPIO PC11, 5V tolerant, with UART4_RX, SDIO_D3, DVP_D4, SPI3_MISO."
      },
      {
        "number": "80",
        "name": "PC12",
        "type": "bidirectional",
        "description": "GPIO PC12, 5V tolerant, with UART5_TX, SDIO_CK, DVP_D9, SPI3_MOSI/I2S3_SD."
      },
      {
        "number": "81",
        "name": "PD0",
        "type": "bidirectional",
        "description": "GPIO PD0 (analog capable), 5V tolerant, with FSMC_D2 and CAN1_RX."
      },
      {
        "number": "82",
        "name": "PD1",
        "type": "bidirectional",
        "description": "GPIO PD1 (analog capable), 5V tolerant, with FSMC_D3 and CAN1_TX."
      },
      {
        "number": "83",
        "name": "PD2",
        "type": "bidirectional",
        "description": "GPIO PD2, 5V tolerant, with TIM3_ETR, UART5_RX, SDIO_CMD, DVP_D11."
      },
      {
        "number": "84",
        "name": "PD3",
        "type": "bidirectional",
        "description": "GPIO PD3, 5V tolerant, with FSMC_CLK and USART2_CTS remap."
      },
      {
        "number": "85",
        "name": "PD4",
        "type": "bidirectional",
        "description": "GPIO PD4, 5V tolerant, with FSMC_NOE and USART2_RTS remap."
      },
      {
        "number": "86",
        "name": "PD5",
        "type": "bidirectional",
        "description": "GPIO PD5, 5V tolerant, with FSMC_NWE and USART2_TX remap."
      },
      {
        "number": "87",
        "name": "PD6",
        "type": "bidirectional",
        "description": "GPIO PD6, 5V tolerant, with FSMC_NWAIT, DVP_D10 and USART2_RX remap."
      },
      {
        "number": "88",
        "name": "PD7",
        "type": "bidirectional",
        "description": "GPIO PD7, 5V tolerant, with FSMC_NE1/NCE2 and USART2_CK remap."
      },
      {
        "number": "89",
        "name": "PB3",
        "type": "bidirectional",
        "description": "GPIO PB3, 5V tolerant, with SPI3_SCK/I2S3_CK, TRACESWO, TIM2_CH2 remap, SPI1_SCK."
      },
      {
        "number": "90",
        "name": "PB4",
        "type": "bidirectional",
        "description": "GPIO PB4, 5V tolerant, with SPI3_MISO, TIM3_CH1 remap, SPI1_MISO, UART5_TX_1."
      },
      {
        "number": "91",
        "name": "PB5",
        "type": "bidirectional",
        "description": "GPIO PB5 (not 5V tolerant) with I2C1_SMBA, SPI3_MOSI/I2S3_SD, ETH PPS_OUT, SPI1_MOSI, CAN2_RX."
      },
      {
        "number": "92",
        "name": "PB6/USB2DM",
        "type": "bidirectional",
        "description": "GPIO PB6, 5V tolerant, with I2C1_SCL, TIM4_CH1, USBHD_DM/USBHS_DM (USB2 D-), DVP_D5."
      },
      {
        "number": "93",
        "name": "PB7/USB2DP",
        "type": "bidirectional",
        "description": "GPIO PB7, 5V tolerant, with I2C1_SDA, FSMC_NADV, TIM4_CH2, USBHD_DP/USBHS_DP (USB2 D+)."
      },
      {
        "number": "94",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot-mode select input BOOT0 (with BOOT1 selects flash, system memory or SRAM boot)."
      },
      {
        "number": "95",
        "name": "PB8",
        "type": "bidirectional",
        "description": "GPIO PB8 (analog capable), 5V tolerant, with TIM4_CH3, SDIO_D4, DVP_D6, I2C1_SCL, CAN1_RX."
      },
      {
        "number": "96",
        "name": "PB9",
        "type": "bidirectional",
        "description": "GPIO PB9 (analog capable), 5V tolerant, with TIM4_CH4, SDIO_D5, DVP_D7, I2C1_SDA, CAN1_TX."
      },
      {
        "number": "97",
        "name": "PE0",
        "type": "bidirectional",
        "description": "GPIO PE0, 5V tolerant, with TIM4_ETR and FSMC_NBL0."
      },
      {
        "number": "98",
        "name": "PE1",
        "type": "bidirectional",
        "description": "GPIO PE1, 5V tolerant, with FSMC_NBL1 and UART4_RX_2."
      },
      {
        "number": "99",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Ground for the VIO supply domain (VSS_3)."
      },
      {
        "number": "100",
        "name": "VIO_3",
        "type": "power_in",
        "description": "I/O supply 2.4~3.6V for most I/O pins and the Ethernet module; must not exceed VDD."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin table pages for LQFP100 pins 38-62 (PE7-15, PB10-PB15, PD8-15, PC6-9) were not included in the s; Pin 73 is shown as NC in the diagram; the pin table row was not supplied.; Datasheet pin table lists PE6 main function as 'PE5' (apparent typo); treated as PE6.",
          "23/100 pins cited to the wrong page (name found elsewhere): ['29:PA4/ADC4/DAC0@p41', '30:PA5/ADC5/DAC1@p41', '31:PA6/ADC6@p41', '32:PA7/ADC7@p41']"
        ],
        "pages_sent": 26,
        "cost_usd": 0.4043,
        "at": "2026-10-24T00:23:33"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/30928fb86165f410bd442c40f7ad100c.pdf",
        "pages": 86,
        "sha256": "f6363e3b6e70c3ee",
        "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": [
      {
        "file": "ch32f207vct6.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          16.0,
          16.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "51720097260ffba41c3062f85f67623721102fa535901c47cb555a1f444feeb3",
        "checked": "2026-10-24",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ch32f207vct6-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          16.0,
          16.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b99e97f47feb746cbe5dc0a62f30b5e4afd776b1c168e190a82e43fa3694c767",
        "checked": "2026-10-24",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}