CH32F203VCT6

{
  "slug": "ch32f203vct6",
  "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",
    "ch32f203vct6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ch32f203vct6.kicad_sym",
    "ch32f203vct6.kicad_mod",
    "ch32f203vct6.glb",
    "ch32f203vct6.step",
    "ch32f203vct6.lbr",
    "docs/hero.png",
    "docs/ch32f203vct6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ch32f203vct6-hero.glb",
    "ch32f203vct6-hero.overlay.json",
    "ch32f203vct6-etched.glb"
  ],
  "component": {
    "mpn": "CH32F203VCT6",
    "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/afc0feb21c8aa8140c79dc15add72318.pdf",
    "parts": {
      "symbol": "ch32f203vct6.kicad_sym",
      "footprint": "ch32f203vct6.kicad_mod",
      "model_3d": "ch32f203vct6-hero.glb",
      "model_3d_plain": "ch32f203vct6-etched.glb",
      "model_3d_step": "ch32f203vct6-etched.step",
      "model_3d_step_plain": "ch32f203vct6.step",
      "lbr": "ch32f203vct6.lbr"
    },
    "distributor_links": {
      "lcsc": "C5128253"
    },
    "distributor_check": {
      "checked_at": "2026-10-25T02:00:36Z",
      "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": "5V-tolerant (FT) I/O with default function PE2, alternate FSMC_A23, and remap TIM10_BKIN_2."
      },
      {
        "number": "2",
        "name": "PE3",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with default function PE3, alternate FSMC_A19, and remap TIM10_CH1N_2."
      },
      {
        "number": "3",
        "name": "PE4",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with default function PE4, alternate FSMC_A20, and remap TIM10_CH2N_2."
      },
      {
        "number": "4",
        "name": "PE5",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with default function PE5, alternate FSMC_A21, and remap TIM10_CH3N_2."
      },
      {
        "number": "5",
        "name": "PE6",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate FSMC_A22; the table prints PE5 as the default name for this pin."
      },
      {
        "number": "6",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup power input (1.8-3.6V) that independently powers the RTC, the external low-speed oscillator and backup registers when VDD is off."
      },
      {
        "number": "7",
        "name": "PC13",
        "type": "bidirectional",
        "description": "I/O powered through the power switch that can absorb only 3mA; as output it is limited to 2MHz, 30pF max load, and must not drive current sources such as LEDs, with TAMPER-RTC function."
      },
      {
        "number": "8",
        "name": "PC14",
        "type": "bidirectional",
        "description": "Analog-capable I/O powered through the 3mA power switch (same output limits as PC13) and used as OSC32_IN for the low-speed oscillator."
      },
      {
        "number": "9",
        "name": "PC15",
        "type": "bidirectional",
        "description": "Analog-capable I/O powered through the 3mA power switch (same output limits as PC13) and used as OSC32_OUT for the low-speed oscillator."
      },
      {
        "number": "10",
        "name": "VSS_5",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "11",
        "name": "VDD_5",
        "type": "power_in",
        "description": "Digital supply pin; VDD is specified as 2.4-3.6V and powers some I/O pins and the internal voltage regulator."
      },
      {
        "number": "12",
        "name": "OSC_IN",
        "type": "input",
        "description": "High-speed external oscillator input for the 3-25MHz HSE, with remap to PD0."
      },
      {
        "number": "13",
        "name": "OSC_OUT",
        "type": "output",
        "description": "High-speed external oscillator output for the 3-25MHz HSE, with remap to PD1."
      },
      {
        "number": "14",
        "name": "NRST",
        "type": "input",
        "description": "External reset input; an external reset on NRST is listed as an exit condition from Stop and Standby modes."
      },
      {
        "number": "15",
        "name": "PC0",
        "type": "bidirectional",
        "description": "Analog-capable I/O with ADC_IN10 and TIM9_CH1N, UART6_TX, ETH_RGMII_RXC alternate functions."
      },
      {
        "number": "16",
        "name": "PC1",
        "type": "bidirectional",
        "description": "Analog-capable I/O with ADC_IN11 and TIM9_CH2N, UART6_RX, ETH_MII_MDC alternate functions."
      },
      {
        "number": "17",
        "name": "PC2",
        "type": "bidirectional",
        "description": "Analog-capable I/O with ADC_IN12 and TIM9_CH3N, UART7_TX, OPA3_CH1N alternate functions."
      },
      {
        "number": "18",
        "name": "PC3",
        "type": "bidirectional",
        "description": "Analog-capable I/O with ADC_IN13 and TIM10_CH3, UART7_RX, OPA4_CH1N alternate functions."
      },
      {
        "number": "19",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground pin for the ADC, DAC, temperature sensor and PLL."
      },
      {
        "number": "20",
        "name": "VREF-",
        "type": "power_in",
        "description": "ADC/DAC reference negative pin; the extracted pages give no voltage limit for this pin."
      },
      {
        "number": "21",
        "name": "VREF+",
        "type": "power_in",
        "description": "ADC/DAC reference positive pin; the extracted pages give no voltage limit for this pin."
      },
      {
        "number": "22",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply for the high-frequency RC oscillator, ADC, temperature sensor, DAC and PLL; VDDA is 2.4-3.6V and must equal VI/O, and must be at least 2.4V when using the ADC."
      },
      {
        "number": "23",
        "name": "PA0",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with WKUP wake-up input, ADC_IN0, and alternate TIM2_CH1, TIM2_ETR, USART2_CTS."
      },
      {
        "number": "24",
        "name": "PA1",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with ADC_IN1 and alternate TIM2_CH2, TIM5_CH2, USART2_RTS."
      },
      {
        "number": "25",
        "name": "PA2",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with ADC_IN2 and alternate TIM2_CH3, TIM5_CH3, USART2_TX."
      },
      {
        "number": "26",
        "name": "PA3",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with ADC_IN3 and alternate TIM2_CH4, TIM5_CH4, USART2_RX."
      },
      {
        "number": "27",
        "name": "VSS_4",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "28",
        "name": "VDD_4",
        "type": "power_in",
        "description": "Digital supply pin; VDD is specified as 2.4-3.6V."
      },
      {
        "number": "29",
        "name": "PA4",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with ADC_IN4, DAC_OUT1, and alternate SPI1_NSS, USART2_CK, SPI3_NSS/I2S3_WS."
      },
      {
        "number": "30",
        "name": "PA5",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with ADC_IN5, DAC_OUT2, and alternate SPI1_SCK, DVP_VSYNC, OPA2_CH1N."
      },
      {
        "number": "31",
        "name": "PA6",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with ADC_IN6 and alternate SPI1_MISO, TIM8_BKIN, TIM3_CH1, DVP_PCLK."
      },
      {
        "number": "32",
        "name": "PA7",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with ADC_IN7 and alternate SPI1_MOSI, TIM8_CH1N, TIM3_CH2, OPA2_CH1P."
      },
      {
        "number": "33",
        "name": "PC4",
        "type": "bidirectional",
        "description": "Analog-capable I/O with ADC_IN14 and alternate TIM9_CH4, UART8_TX, OPA4_CH1P."
      },
      {
        "number": "34",
        "name": "PC5",
        "type": "bidirectional",
        "description": "Analog-capable I/O with ADC_IN15 and alternate TIM9_BKIN, UART8_RX, OPA3_CH1P."
      },
      {
        "number": "35",
        "name": "PB0",
        "type": "bidirectional",
        "description": "Analog-capable I/O with ADC_IN8 and alternate TIM3_CH3, TIM8_CH2N, OPA1_CH1P."
      },
      {
        "number": "36",
        "name": "PB1",
        "type": "bidirectional",
        "description": "Analog-capable I/O with ADC_IN9 and alternate TIM3_CH4, TIM8_CH3N, OPA4_CH0N."
      },
      {
        "number": "37",
        "name": "PB2",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O shared with BOOT1, with alternate OPA3_CH0N and TIM9_CH3N_1."
      },
      {
        "number": "38",
        "name": "PE7",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate FSMC_D4, OPA3_OUT1, TIM1_ETR_3."
      },
      {
        "number": "39",
        "name": "PE8",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate FSMC_D5, OPA4_OUT1, TIM1_CH1N_3, UART5_TX_2."
      },
      {
        "number": "40",
        "name": "PE9",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate FSMC_D6, TIM1_CH1_3, UART5_RX_2."
      },
      {
        "number": "41",
        "name": "PE10",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate FSMC_D7, TIM1_CH2N_3, UART6_TX_2."
      },
      {
        "number": "42",
        "name": "PE11",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate FSMC_D8, TIM1_CH2_3, UART6_RX_2."
      },
      {
        "number": "43",
        "name": "PE12",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate FSMC_D9, TIM1_CH3N_3, UART7_TX_2."
      },
      {
        "number": "44",
        "name": "PE13",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate FSMC_D10, TIM1_CH3_3, UART7_RX_2."
      },
      {
        "number": "45",
        "name": "PE14",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate FSMC_D11, OPA2_OUT1, TIM1_CH4_3, UART8_TX_2."
      },
      {
        "number": "46",
        "name": "PE15",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate FSMC_D12, OPA1_OUT1, TIM1_BKIN_3, UART8_RX_2."
      },
      {
        "number": "47",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate I2C2_SCL, USART3_TX, OPA2_CH0N, TIM2_CH3_2."
      },
      {
        "number": "48",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate I2C2_SDA, USART3_RX, OPA1_CH0N, TIM2_CH4_2."
      },
      {
        "number": "49",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "50",
        "name": "VIO_1",
        "type": "power_in",
        "description": "I/O supply for most GPIO pins; VI/O is 2.4-3.6V and must not be higher than VDD during operation."
      },
      {
        "number": "51",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate SPI2_NSS, I2S2_WS, I2C2_SMBA, USART3_CK, TIM1_BKIN, CAN2_RX."
      },
      {
        "number": "52",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate SPI2_SCK, I2S2_CK, USART3_CTS, TIM1_CH1N, CAN2_TX."
      },
      {
        "number": "53",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate SPI2_MISO, TIM1_CH2N, USART3_RTS, OPA2_CH0P."
      },
      {
        "number": "54",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate SPI2_MOSI/I2S2_SD, TIM1_CH3N/OPA1_CH0P, USART1_TX_2."
      },
      {
        "number": "55",
        "name": "PD8",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate FSMC_D13, USART3_TX_3, TIM9_CH1N_2."
      },
      {
        "number": "56",
        "name": "PD9",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate FSMC_D14, USART3_RX_3, TIM9_CH1_ETR_2."
      },
      {
        "number": "57",
        "name": "PD10",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate FSMC_D15, USART3_CK_3, TIM9_CH2N_2."
      },
      {
        "number": "58",
        "name": "PD11",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate FSMC_A16, USART3_CTS_3, TIM9_CH2_2."
      },
      {
        "number": "59",
        "name": "PD12",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate FSMC_A17, TIM4_CH1_1, TIM9_CH3N_2, USART3_RTS_3."
      },
      {
        "number": "60",
        "name": "PD13",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate FSMC_A18, TIM4_CH2_1, TIM9_CH3_2."
      },
      {
        "number": "61",
        "name": "PD14",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate FSMC_D0, TIM4_CH3_1, TIM9_BKIN_2."
      },
      {
        "number": "62",
        "name": "PD15",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate FSMC_D1, TIM4_CH4_1, TIM9_CH4_2."
      },
      {
        "number": "63",
        "name": "PC6/RXP",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate I2S2_MCK, TIM8_CH1, SDIO_D6, TIM3_CH1_3; the VCT6 figure labels this pin RXP."
      },
      {
        "number": "64",
        "name": "PC7/RXN",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate I2S3_MCK, TIM8_CH2, SDIO_D7, TIM3_CH2_3; the VCT6 figure labels this pin RXN."
      },
      {
        "number": "65",
        "name": "PC8/TXP",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate TIM8_CH3, SDIO_D0, DVP_D2, TIM3_CH3_3; the VCT6 figure labels this pin TXP."
      },
      {
        "number": "66",
        "name": "PC9/TXN",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate TIM8_CH4, SDIO_D1, DVP_D3, TIM3_CH4_3; the VCT6 figure labels this pin TXN."
      },
      {
        "number": "67",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate USART1_CK, TIM1_CH1, and MCO clock output."
      },
      {
        "number": "68",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate USART1_TX, TIM1_CH2, OTG_FS_VBUS, DVP_D0."
      },
      {
        "number": "69",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate USART1_RX, TIM1_CH3, OTG_FS_ID, DVP_D1."
      },
      {
        "number": "70",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate USART1_CTS, USBDM/OTG_FS_DM, CAN1_RX, TIM1_CH4."
      },
      {
        "number": "71",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate USART1_RTS, USBDP/OTG_FS_DP, CAN1_TX, TIM1_ETR."
      },
      {
        "number": "72",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O; default function is SWDIO serial-wire debug data, with alternate TIM10_CH2N and TIM8_CH1N_1."
      },
      {
        "number": "73",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection on this pin per the VCT6 pin arrangement; the pin definition table marks it as unused."
      },
      {
        "number": "74",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "75",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Digital supply pin; VDD is specified as 2.4-3.6V."
      },
      {
        "number": "76",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O; default function is SWCLK serial-wire debug clock, with alternate TIM10_CH3N, TIM8_CH2N_1, UART8_TX_1."
      },
      {
        "number": "77",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate SPI3_NSS/I2S3_WS, TIM2_CH1_ETR_1, SPI1_NSS, UART8_RX_1, TIM8_CH3N_1."
      },
      {
        "number": "78",
        "name": "PC10",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate UART4_TX, SDIO_D2, TIM10_ETR, DVP_D8, USART3_TX_1, SPI3_SCK."
      },
      {
        "number": "79",
        "name": "PC11",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate UART4_RX, SDIO_D3, TIM10_CH4, DVP_D4, USART3_RX_1, SPI3_MISO."
      },
      {
        "number": "80",
        "name": "PC12",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate UART5_TX, SDIO_CK, TIM10_BKIN, DVP_D9, USART3_CK_1, SPI3_MOSI."
      },
      {
        "number": "81",
        "name": "PD0",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate FSMC_D2, CAN1_RX, TIM10_ETR_2; on LQFP100 PD0 is an inherent function pin and does not need software reconfiguration."
      },
      {
        "number": "82",
        "name": "PD1",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate FSMC_D3, CAN1_TX, TIM10_CH1_2; on LQFP100 PD1 is an inherent function pin."
      },
      {
        "number": "83",
        "name": "PD2",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate TIM3_ETR, UART5_RX, SDIO_CMD, DVP_D11."
      },
      {
        "number": "84",
        "name": "PD3",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate FSMC_CLK, USART2_CTS_1, TIM10_CH2_2."
      },
      {
        "number": "85",
        "name": "PD4",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate FSMC_NOE and USART2_RTS_1."
      },
      {
        "number": "86",
        "name": "PD5",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate FSMC_NWE, USART2_TX_1, TIM10_CH3_2."
      },
      {
        "number": "87",
        "name": "PD6",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate FSMC_NWAIT, DVP_D10, USART2_RX_1."
      },
      {
        "number": "88",
        "name": "PD7",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate FSMC_NE1, FSMC_NCE2, USART2_CK_1, TIM10_CH4_2."
      },
      {
        "number": "89",
        "name": "PB3",
        "type": "bidirectional",
        "description": "I/O with alternate SPI3_SCK/I2S3_CK, TRACESWO, TIM2_CH2_1, SPI1_SCK, TIM10_CH1_1."
      },
      {
        "number": "90",
        "name": "PB4",
        "type": "bidirectional",
        "description": "I/O with alternate SPI3_MISO, TIM3_CH1_2, SPI1_MISO, UART5_TX_1, TIM10_CH2_1."
      },
      {
        "number": "91",
        "name": "PB5",
        "type": "bidirectional",
        "description": "I/O with alternate I2C1_SMBA, SPI3_MOSI/I2S3_SD, TIM3_CH2_2, SPI1_MOSI, CAN2_RX, UART5_RX_1."
      },
      {
        "number": "92",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate I2C1_SCL, TIM4_CH1, USBFS_DM, DVP_D5, USART1_TX_1, CAN2_TX."
      },
      {
        "number": "93",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate I2C1_SDA, FSMC_NADV, TIM4_CH2, USBFS_DP, USART1_RX_1, TIM8_CH2_1."
      },
      {
        "number": "94",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot-mode select input; together with BOOT1 (PB2) it selects boot from program flash, system memory or internal SRAM."
      },
      {
        "number": "95",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate TIM4_CH3, SDIO_D4, TIM10_CH1, DVP_D6, I2C1_SCL, CAN1_RX."
      },
      {
        "number": "96",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate TIM4_CH4, SDIO_D5, TIM10_CH2, DVP_D7, I2C1_SDA, CAN1_TX."
      },
      {
        "number": "97",
        "name": "PE0",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate TIM4_ETR, FSMC_NBL0, TIM4_ETR_1, UART4_TX_2."
      },
      {
        "number": "98",
        "name": "PE1",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O with alternate FSMC_NBL1 and UART4_RX_2."
      },
      {
        "number": "99",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "100",
        "name": "VIO_3",
        "type": "power_in",
        "description": "I/O supply for most GPIO pins; VI/O is 2.4-3.6V and must not be higher than VDD during operation."
      }
    ],
    "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: The VCT6 pin arrangement (page 19) labels these pins PC6/RXP, PC7/RXN, PC8/TXP, PC9/TXN, while the p; The pin definition table for PE6 prints PE5 as the default name (typo in the source); I listed the p; Pin 73 is shown as NC in the VCT6 arrangement but as an unused entry (Chinese text) in the pin defin",
          "6/100 pins cited to the wrong page (name found elsewhere): ['11:VDD_5@p11', '22:VDDA@p11', '28:VDD_4@p11', '50:VIO_1@p11']"
        ],
        "pages_sent": 24,
        "cost_usd": 0.2298,
        "at": "2026-10-25T02:00:11"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/afc0feb21c8aa8140c79dc15add72318.pdf",
        "pages": 69,
        "sha256": "4b7f09894a062d50",
        "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": "ch32f203vct6.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": "2026-10-25",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ch32f203vct6-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": "1b20e150c91eaada8d48b6d93d6f3f61eeaf3e98f584100e850becffa949b13a",
        "checked": "2026-10-25",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}