GD32F303RCT6A

{
  "slug": "gd32f303rct6a",
  "version": "0.1.0",
  "type": "component",
  "description": "GigaDevice Semicon Beijing Microcontrollers (MCU/MPU/SOC), LQFP-64(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "gd32f303rct6a",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "gd32f303rct6a.kicad_sym",
    "gd32f303rct6a.kicad_mod",
    "gd32f303rct6a.glb",
    "gd32f303rct6a.step",
    "gd32f303rct6a.lbr",
    "docs/hero.png",
    "docs/gd32f303rct6a-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "gd32f303rct6a-hero.glb",
    "gd32f303rct6a-hero.overlay.json",
    "gd32f303rct6a-etched.glb"
  ],
  "component": {
    "mpn": "GD32F303RCT6A",
    "manufacturer": "GigaDevice Semicon Beijing",
    "package": "LQFP-64(10x10)",
    "pin_count": 64,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589834442425597952",
    "parts": {
      "symbol": "gd32f303rct6a.kicad_sym",
      "footprint": "gd32f303rct6a.kicad_mod",
      "model_3d": "gd32f303rct6a-hero.glb",
      "model_3d_plain": "gd32f303rct6a-etched.glb",
      "model_3d_step": "gd32f303rct6a-etched.step",
      "model_3d_step_plain": "gd32f303rct6a.step",
      "lbr": "gd32f303rct6a.lbr"
    },
    "distributor_links": {
      "lcsc": "C3036362"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T22:53:22Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VBAT",
        "type": "power_in",
        "description": "Power supply pin for the VBAT function (default VBAT)."
      },
      {
        "number": "2",
        "name": "PC13-TAMPER-RTC",
        "type": "bidirectional",
        "description": "General-purpose I/O PC13 by default, with alternate function TAMPER-RTC; I/O level not marked 5 V tolerant."
      },
      {
        "number": "3",
        "name": "PC14-OSC32IN",
        "type": "bidirectional",
        "description": "General-purpose I/O PC14 by default, with alternate function OSC32IN; I/O level not marked 5 V tolerant."
      },
      {
        "number": "4",
        "name": "PC15-OSC32OUT",
        "type": "bidirectional",
        "description": "General-purpose I/O PC15 by default, with alternate function OSC32OUT; I/O level not marked 5 V tolerant."
      },
      {
        "number": "5",
        "name": "OSCIN",
        "type": "input",
        "description": "High-speed external oscillator input by default (OSCIN); can be remapped to PD0, which cannot be used for EXTI in this package."
      },
      {
        "number": "6",
        "name": "OSCOUT",
        "type": "output",
        "description": "High-speed external oscillator output by default (OSCOUT); can be remapped to PD1, which cannot be used for EXTI in this package."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Active-low reset pin (default NRST)."
      },
      {
        "number": "8",
        "name": "PC0",
        "type": "bidirectional",
        "description": "General-purpose I/O PC0 with alternate function ADC012_IN10; I/O level not marked 5 V tolerant."
      },
      {
        "number": "9",
        "name": "PC1",
        "type": "bidirectional",
        "description": "General-purpose I/O PC1 with alternate function ADC012_IN11; I/O level not marked 5 V tolerant."
      },
      {
        "number": "10",
        "name": "PC2",
        "type": "bidirectional",
        "description": "General-purpose I/O PC2 with alternate function ADC012_IN12; I/O level not marked 5 V tolerant."
      },
      {
        "number": "11",
        "name": "PC3",
        "type": "bidirectional",
        "description": "General-purpose I/O PC3 with alternate function ADC012_IN13; I/O level not marked 5 V tolerant."
      },
      {
        "number": "12",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground pin (default VSSA)."
      },
      {
        "number": "13",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog power supply pin (default VDDA)."
      },
      {
        "number": "14",
        "name": "PA0-WKUP",
        "type": "bidirectional",
        "description": "General-purpose I/O PA0 with alternate functions WKUP, USART1_CTS, ADC012_IN0, TIMER1_CH0, TIMER1_ETI, TIMER4_CH0 and TIMER7_ETI; I/O level not marked 5 V tolerant."
      },
      {
        "number": "15",
        "name": "PA1",
        "type": "bidirectional",
        "description": "General-purpose I/O PA1 with alternate functions USART1_RTS, ADC012_IN1, TIMER1_CH1 and TIMER4_CH1; I/O level not marked 5 V tolerant."
      },
      {
        "number": "16",
        "name": "PA2",
        "type": "bidirectional",
        "description": "General-purpose I/O PA2 with alternate functions USART1_TX, ADC012_IN2, TIMER1_CH2, TIMER4_CH2 and SPI0_IO2; I/O level not marked 5 V tolerant."
      },
      {
        "number": "17",
        "name": "PA3",
        "type": "bidirectional",
        "description": "General-purpose I/O PA3 with alternate functions USART1_RX, ADC012_IN3, TIMER1_CH3, TIMER4_CH3 and SPI0_IO3; I/O level not marked 5 V tolerant."
      },
      {
        "number": "18",
        "name": "VSS_4",
        "type": "power_in",
        "description": "Digital ground pin (default VSS_4)."
      },
      {
        "number": "19",
        "name": "VDD_4",
        "type": "power_in",
        "description": "Digital power supply pin (default VDD_4)."
      },
      {
        "number": "20",
        "name": "PA4",
        "type": "bidirectional",
        "description": "General-purpose I/O PA4 with alternate functions SPI0_NSS, USART1_CK, ADC01_IN4 and DAC_OUT0; remap to SPI2_NSS and I2S2_WS; I/O level not marked 5 V tolerant."
      },
      {
        "number": "21",
        "name": "PA5",
        "type": "bidirectional",
        "description": "General-purpose I/O PA5 with alternate functions SPI0_SCK, ADC01_IN5 and DAC_OUT1; I/O level not marked 5 V tolerant."
      },
      {
        "number": "22",
        "name": "PA6",
        "type": "bidirectional",
        "description": "General-purpose I/O PA6 with alternate functions SPI0_MISO, ADC01_IN6, TIMER2_CH0 and TIMER7_BRKIN; remap to TIMER0_BRKIN; I/O level not marked 5 V tolerant."
      },
      {
        "number": "23",
        "name": "PA7",
        "type": "bidirectional",
        "description": "General-purpose I/O PA7 with alternate functions SPI0_MOSI, ADC01_IN7, TIMER2_CH1 and TIMER7_CH0_ON; remap to TIMER0_CH0_ON; I/O level not marked 5 V tolerant."
      },
      {
        "number": "24",
        "name": "PC4",
        "type": "bidirectional",
        "description": "General-purpose I/O PC4 with alternate function ADC01_IN14; I/O level not marked 5 V tolerant."
      },
      {
        "number": "25",
        "name": "PC5",
        "type": "bidirectional",
        "description": "General-purpose I/O PC5 with alternate function ADC01_IN15; I/O level not marked 5 V tolerant."
      },
      {
        "number": "26",
        "name": "PB0",
        "type": "bidirectional",
        "description": "General-purpose I/O PB0 with alternate functions ADC01_IN8, TIMER2_CH2 and TIMER7_CH1_ON; remap to TIMER0_CH1_ON; I/O level not marked 5 V tolerant."
      },
      {
        "number": "27",
        "name": "PB1",
        "type": "bidirectional",
        "description": "General-purpose I/O PB1 with alternate functions ADC01_IN9, TIMER2_CH3 and TIMER7_CH2_ON; remap to TIMER0_CH2_ON; I/O level not marked 5 V tolerant."
      },
      {
        "number": "28",
        "name": "PB2",
        "type": "bidirectional",
        "description": "General-purpose 5 V tolerant I/O PB2 (default PB2), also used as BOOT1."
      },
      {
        "number": "29",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PB10 with alternate functions I2C1_SCL and USART2_TX; remap to TIMER1_CH2."
      },
      {
        "number": "30",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PB11 with alternate functions I2C1_SDA and USART2_RX; remap to TIMER1_CH3."
      },
      {
        "number": "31",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Digital ground pin (default VSS_1)."
      },
      {
        "number": "32",
        "name": "VDD_1",
        "type": "power_in",
        "description": "Digital power supply pin (default VDD_1)."
      },
      {
        "number": "33",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PB12 with alternate functions SPI1_NSS, I2C1_SMBA, USART2_CK, TIMER0_BRKIN and I2S1_WS."
      },
      {
        "number": "34",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PB13 with alternate functions SPI1_SCK, USART2_CTS, TIMER0_CH0_ON and I2S1_CK."
      },
      {
        "number": "35",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PB14 with alternate functions SPI1_MISO, USART2_RTS and TIMER0_CH1_ON."
      },
      {
        "number": "36",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PB15 with alternate functions SPI1_MOSI, TIMER0_CH2_ON and I2S1_SD."
      },
      {
        "number": "37",
        "name": "PC6",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PC6 with alternate functions I2S1_MCK, TIMER7_CH0 and SDIO_D6; remap to TIMER2_CH0."
      },
      {
        "number": "38",
        "name": "PC7",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PC7 with alternate functions I2S2_MCK, TIMER7_CH1 and SDIO_D7; remap to TIMER2_CH1."
      },
      {
        "number": "39",
        "name": "PC8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PC8 with alternate functions TIMER7_CH2 and SDIO_D0; remap to TIMER2_CH2."
      },
      {
        "number": "40",
        "name": "PC9",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PC9 with alternate functions TIMER7_CH3 and SDIO_D1; remap to TIMER2_CH3."
      },
      {
        "number": "41",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PA8 with alternate functions USART0_CK, TIMER0_CH0, CK_OUT0 and CTC_SYNC."
      },
      {
        "number": "42",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PA9 with alternate functions USART0_TX and TIMER0_CH1."
      },
      {
        "number": "43",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PA10 with alternate functions USART0_RX and TIMER0_CH2."
      },
      {
        "number": "44",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PA11 with alternate functions USART0_CTS, CAN0_RX, USBDM and TIMER0_CH3."
      },
      {
        "number": "45",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PA12 with alternate functions USART0_RTS, CAN0_TX, TIMER0_ETI and USBDP."
      },
      {
        "number": "46",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PA13 with default function JTMS/SWDIO; remap to PA13."
      },
      {
        "number": "47",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Digital ground pin (default VSS_2)."
      },
      {
        "number": "48",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Digital power supply pin (default VDD_2)."
      },
      {
        "number": "49",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PA14 with default function JTCK/SWCLK; remap to PA14."
      },
      {
        "number": "50",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PA15 with default function JTDI and alternate functions SPI2_NSS and I2S2_WS; remap to TIMER1_CH0, TIMER1_ETI, PA15 and SPI0_NSS."
      },
      {
        "number": "51",
        "name": "PC10",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PC10 with alternate functions UART3_TX and SDIO_D2; remap to USART2_TX, SPI2_SCK and I2S2_CK."
      },
      {
        "number": "52",
        "name": "PC11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PC11 with alternate functions UART3_RX and SDIO_D3; remap to USART2_RX and SPI2_MISO."
      },
      {
        "number": "53",
        "name": "PC12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PC12 with alternate functions UART4_TX and SDIO_CK; remap to USART2_CK, SPI2_MOSI and I2S2_SD."
      },
      {
        "number": "54",
        "name": "PD2",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PD2 with alternate functions TIMER2_ETI, SDIO_CMD and UART4_RX."
      },
      {
        "number": "55",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PB3 with default function JTDO and alternate functions SPI2_SCK and I2S2_CK; remap to PB3, TRACESWO, TIMER1_CH1 and SPI0_SCK."
      },
      {
        "number": "56",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PB4 with default function NJTRST and alternate function SPI2_MISO; remap to TIMER2_CH0, PB4 and SPI0_MISO."
      },
      {
        "number": "57",
        "name": "PB5",
        "type": "bidirectional",
        "description": "General-purpose I/O PB5 with alternate functions I2C0_SMBA, SPI2_MOSI and I2S2_SD; remap to TIMER2_CH1 and SPI0_MOSI; I/O level not marked 5 V tolerant."
      },
      {
        "number": "58",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PB6 with alternate functions I2C0_SCL and TIMER3_CH0; remap to USART0_TX and SPI0_IO2."
      },
      {
        "number": "59",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PB7 with alternate functions I2C0_SDA and TIMER3_CH1; remap to USART0_RX and SPI0_IO3."
      },
      {
        "number": "60",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot mode selection input with default function BOOT0."
      },
      {
        "number": "61",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PB8 with alternate function TIMER3_CH2 and SDIO_D4; remap to I2C0_SCL and CAN0_RX."
      },
      {
        "number": "62",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PB9 with alternate functions TIMER3_CH3 and SDIO_D5; remap to I2C0_SDA and CAN0_TX."
      },
      {
        "number": "63",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Digital ground pin (default VSS_3)."
      },
      {
        "number": "64",
        "name": "VDD_3",
        "type": "power_in",
        "description": "Digital power supply pin (default VDD_3)."
      }
    ],
    "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: Package LQFP64 is confirmed for GD32F303RCT6 by the ordering table (Table 6-2 lists GD32F303RCT6 as ; Footnote (3) of Table 2-6 states that TIMER8, TIMER9, TIMER10, TIMER11, TIMER12 and TIMER13 alternat; Pins not marked '5VT' in Table 2-6 (PC0-PC3, PC4, PC5, PA0-PA7, PB0, PB1, PB5, PC13-PC15) are descri"
        ],
        "pages_sent": 40,
        "cost_usd": 0.211,
        "at": "2026-10-18T22:50:56"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589834442425597952",
        "pages": 99,
        "sha256": "98e6e299f43ef5ac",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 64,
        "described": 64,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "gd32f303rct6a.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12.0,
          12.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b0c827bc5c05552175d28affe44a5bd2ab45c9c36efff6ff07a74cc449b13db4",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "gd32f303rct6a-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12.0,
          12.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4d6daa3c223ec14d81d2f851ea879a94f23580fc038d6bd279a9b2faa25d738e",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}