GD32F305RCT6

{
  "schema_version": 1,
  "type": "component",
  "slug": "gd32f305rct6",
  "title": "GD32F305RCT6",
  "brief": "GigaDevice Semicon Beijing Microcontroller Units (MCUs/MPUs/SOCs), LQFP-64(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "embedded processors & controllers",
    "gd32f305rct6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "GD32F305RCT6",
    "manufacturer": "GigaDevice Semicon Beijing",
    "package": "LQFP-64(10x10)",
    "pin_count": 64,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/c74d2d2bcccd485b07345a7e20dcec4a.pdf",
    "parts": {
      "symbol": "gd32f305rct6.kicad_sym",
      "footprint": "gd32f305rct6.kicad_mod",
      "model_3d": "gd32f305rct6-hero.glb",
      "model_3d_plain": "gd32f305rct6-etched.glb",
      "model_3d_step": "gd32f305rct6-etched.step",
      "model_3d_step_plain": "gd32f305rct6.step",
      "lbr": "gd32f305rct6.lbr"
    },
    "distributor_links": {
      "lcsc": "C191842"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T20:14:54Z",
      "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": "Backup battery supply pin (default function VBAT)."
      },
      {
        "number": "2",
        "name": "PC13-TAMPER-RTC",
        "type": "bidirectional",
        "description": "GPIO PC13 by default; alternate function TAMPER, RTC."
      },
      {
        "number": "3",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "GPIO PC14 by default; alternate function OSC32_IN."
      },
      {
        "number": "4",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "GPIO PC15 by default; alternate function OSC32_OUT."
      },
      {
        "number": "5",
        "name": "OSC_IN",
        "type": "input",
        "description": "Oscillator input (default OSC_IN); remappable to PD0."
      },
      {
        "number": "6",
        "name": "OSC_OUT",
        "type": "output",
        "description": "Oscillator output (default OSC_OUT); remappable to PD1."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "System reset pin (default NRST)."
      },
      {
        "number": "8",
        "name": "PC0",
        "type": "bidirectional",
        "description": "GPIO PC0; alternate function ADC01_IN10."
      },
      {
        "number": "9",
        "name": "PC1",
        "type": "bidirectional",
        "description": "GPIO PC1; alternate function ADC01_IN11."
      },
      {
        "number": "10",
        "name": "PC2",
        "type": "bidirectional",
        "description": "GPIO PC2; alternate function ADC01_IN12."
      },
      {
        "number": "11",
        "name": "PC3",
        "type": "bidirectional",
        "description": "GPIO PC3; alternate function ADC01_IN13."
      },
      {
        "number": "12",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground (default VSSA)."
      },
      {
        "number": "13",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog power supply (default VDDA)."
      },
      {
        "number": "14",
        "name": "PA0-WKUP",
        "type": "bidirectional",
        "description": "GPIO PA0; alternate WKUP, USART1_CTS, ADC01_IN0, TIMER1_CH0_ETI, TIMER4_CH0, TIMER7_ETI."
      },
      {
        "number": "15",
        "name": "PA1",
        "type": "bidirectional",
        "description": "GPIO PA1; alternate USART1_RTS, ADC01_IN1, TIMER1_CH1, TIMER4_CH1."
      },
      {
        "number": "16",
        "name": "PA2",
        "type": "bidirectional",
        "description": "GPIO PA2; alternate USART1_TX, ADC01_IN2, TIMER1_CH2, TIMER4_CH2, TIMER8_CH0, SPI0_IO2."
      },
      {
        "number": "17",
        "name": "PA3",
        "type": "bidirectional",
        "description": "GPIO PA3; alternate USART1_RX, ADC01_IN3, TIMER1_CH3, TIMER4_CH3, TIMER8_CH1, SPI0_IO3."
      },
      {
        "number": "18",
        "name": "VSS_4",
        "type": "power_in",
        "description": "Ground (default VSS_4)."
      },
      {
        "number": "19",
        "name": "VDD_4",
        "type": "power_in",
        "description": "Digital power supply (default VDD_4)."
      },
      {
        "number": "20",
        "name": "PA4",
        "type": "bidirectional",
        "description": "GPIO PA4; alternate SPI0_NSS, USART1_CK, ADC01_IN4, DAC_OUT0; remap SPI2_NSS, I2S2_WS."
      },
      {
        "number": "21",
        "name": "PA5",
        "type": "bidirectional",
        "description": "GPIO PA5; alternate SPI0_SCK, ADC01_IN5, DAC_OUT1."
      },
      {
        "number": "22",
        "name": "PA6",
        "type": "bidirectional",
        "description": "GPIO PA6; alternate SPI0_MISO, ADC01_IN6, TIMER2_CH0, TIMER7_BKIN, TIMER12_CH0; remap TIMER0_BKIN."
      },
      {
        "number": "23",
        "name": "PA7",
        "type": "bidirectional",
        "description": "GPIO PA7; alternate SPI0_MOSI, ADC01_IN7, TIMER2_CH1, TIMER7_CH0_ON, TIMER13_CH0; remap TIMER0_CH0_ON."
      },
      {
        "number": "24",
        "name": "PC4",
        "type": "bidirectional",
        "description": "GPIO PC4; alternate function ADC01_IN14."
      },
      {
        "number": "25",
        "name": "PC5",
        "type": "bidirectional",
        "description": "GPIO PC5; alternate function ADC01_IN15."
      },
      {
        "number": "26",
        "name": "PB0",
        "type": "bidirectional",
        "description": "GPIO PB0; alternate ADC01_IN8, TIMER2_CH2, TIMER7_CH1_ON; remap TIMER0_CH1_ON."
      },
      {
        "number": "27",
        "name": "PB1",
        "type": "bidirectional",
        "description": "GPIO PB1; alternate ADC01_IN9, TIMER2_CH3, TIMER7_CH2_ON; remap TIMER0_CH2_ON."
      },
      {
        "number": "28",
        "name": "PB2",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PB2, also BOOT1."
      },
      {
        "number": "29",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PB10; alternate I2C1_SCL, USART2_TX; remap TIMER1_CH2."
      },
      {
        "number": "30",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PB11; alternate I2C1_SDA, USART2_RX; remap TIMER1_CH3."
      },
      {
        "number": "31",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Ground (default VSS_1)."
      },
      {
        "number": "32",
        "name": "VDD_1",
        "type": "power_in",
        "description": "Digital power supply (default VDD_1)."
      },
      {
        "number": "33",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PB12; alternate SPI1_NSS, I2C1_SMBA, USART2_CK, TIMER0_BKIN, I2S1_WS, CAN1_RX."
      },
      {
        "number": "34",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PB13; alternate SPI1_SCK, USART2_CTS, TIMER0_CH0_ON, I2S1_CK, CAN1_TX."
      },
      {
        "number": "35",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PB14; alternate SPI1_MISO, USART2_RTS, TIMER0_CH1_ON, TIMER11_CH0."
      },
      {
        "number": "36",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PB15; alternate SPI1_MOSI, TIMER0_CH2_ON, I2S1_SD, TIMER11_CH1."
      },
      {
        "number": "37",
        "name": "PC6",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PC6; alternate I2S1_MCK, TIMER7_CH0; remap TIMER2_CH0."
      },
      {
        "number": "38",
        "name": "PC7",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PC7; alternate I2S2_MCK, TIMER7_CH1; remap TIMER2_CH1."
      },
      {
        "number": "39",
        "name": "PC8",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PC8; alternate TIMER7_CH2; remap TIMER2_CH2."
      },
      {
        "number": "40",
        "name": "PC9",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PC9; alternate TIMER7_CH3; remap TIMER2_CH3."
      },
      {
        "number": "41",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PA8; alternate USART0_CK, TIMER0_CH0, CK_OUT0, VCORE, USBFS_SOF, CTC_SYNC."
      },
      {
        "number": "42",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PA9; alternate USART0_TX, TIMER0_CH1, USBFS_VBUS."
      },
      {
        "number": "43",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PA10; alternate USART0_RX, TIMER0_CH2, USBFS_ID."
      },
      {
        "number": "44",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PA11; alternate USART0_CTS, CAN0_RX, USBFS_DM, TIMER0_CH3."
      },
      {
        "number": "45",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PA12; alternate USART0_RTS, USBFS_DP, CAN0_TX, TIMER0_ETI."
      },
      {
        "number": "46",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5V-tolerant pin, default JTMS/SWDIO; remap PA13."
      },
      {
        "number": "47",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Ground (default VSS_2)."
      },
      {
        "number": "48",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Digital power supply (default VDD_2)."
      },
      {
        "number": "49",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5V-tolerant pin, default JTCK/SWCLK; remap PA14."
      },
      {
        "number": "50",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5V-tolerant pin, default JTDI; alternate SPI2_NSS, I2S2_WS; remap TIMER1_CH0_ETI, PA15, SPI0_NSS."
      },
      {
        "number": "51",
        "name": "PC10",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PC10; alternate UART3_TX; remap USART2_TX, SPI2_SCK, I2S2_CK."
      },
      {
        "number": "52",
        "name": "PC11",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PC11; alternate UART3_RX; remap USART2_RX, SPI2_MISO."
      },
      {
        "number": "53",
        "name": "PC12",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PC12; alternate UART4_TX; remap USART2_CK, SPI2_MOSI, I2S2_SD."
      },
      {
        "number": "54",
        "name": "PD2",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PD2; alternate TIMER2_ETI, UART4_RX."
      },
      {
        "number": "55",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5V-tolerant pin, default JTDO; alternate SPI2_SCK, I2S2_CK; remap PB3, TRACESWO, TIMER1_CH1, SPI0_SCK."
      },
      {
        "number": "56",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5V-tolerant pin, default NJTRST; alternate SPI2_MISO; remap TIMER2_CH0, PB4, SPI0_MISO."
      },
      {
        "number": "57",
        "name": "PB5",
        "type": "bidirectional",
        "description": "GPIO PB5; alternate I2C0_SMBA, SPI2_MOSI, I2S2_SD; remap TIMER2_CH1, SPI0_MOSI, CAN1_RX."
      },
      {
        "number": "58",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PB6; alternate I2C0_SCL, TIMER3_CH0; remap USART0_TX, CAN1_TX, SPI0_IO2."
      },
      {
        "number": "59",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PB7; alternate I2C0_SDA, TIMER3_CH1, EXMC_NADV; remap USART0_RX, SPI0_IO3."
      },
      {
        "number": "60",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot mode selection input (default BOOT0)."
      },
      {
        "number": "61",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PB8; alternate TIMER3_CH2, TIMER9_CH0; remap I2C0_SCL, CAN0_RX."
      },
      {
        "number": "62",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PB9; alternate TIMER3_CH3, TIMER10_CH0; remap I2C0_SDA, CAN0_TX."
      },
      {
        "number": "63",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Ground (default VSS_3)."
      },
      {
        "number": "64",
        "name": "VDD_3",
        "type": "power_in",
        "description": "Digital power supply (default VDD_3)."
      }
    ],
    "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 types for power and special pins are inferred from the table's Pin Type column (P, I, O, I/O). T"
        ],
        "pages_sent": 27,
        "cost_usd": 0.2849,
        "at": "2026-10-22T20:13:58"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/c74d2d2bcccd485b07345a7e20dcec4a.pdf",
        "pages": 51,
        "sha256": "956c726d8a363a8c",
        "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": "gd32f305rct6.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b0c827bc5c05552175d28affe44a5bd2ab45c9c36efff6ff07a74cc449b13db4",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "gd32f305rct6-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b2b08c9a2beb6957aa290063cb6c71c9763d9641f3e82e9c3b75e80699b2e037",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "GigaDevice Semicon Beijing",
      "Package": "LQFP-64(10x10)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "64"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "956c726d8a363a8c8ea137e6836c51a6f991ed1aa9a91a1e3350f01aeecc225c",
      "rows": [
        {
          "name": "External voltage range",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 3.6,
          "conditions": "VSS - 0.3 to VSS + 3.6",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "External analog supply voltage",
          "symbol": "VDDA",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 3.6,
          "conditions": "VSSA - 0.3 to VSSA + 3.6",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "External battery supply voltage",
          "symbol": "VBAT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 3.6,
          "conditions": "VSS - 0.3 to VSS + 3.6",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "Input voltage on other I/O",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "VSS - 0.3 min; other I/O",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "Variations between different VDD power pins",
          "symbol": "|ΔVDDx|",
          "kind": "absolute_maximum",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "Variations between different ground pins",
          "symbol": "|VSSX −VSS|",
          "kind": "absolute_maximum",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "Maximum current for GPIO pins",
          "symbol": "IIO",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 25,
          "conditions": "",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "TA",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "Maximum junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.6,
          "typ": 3.3,
          "max": 3.6,
          "conditions": "",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "Analog supply voltage",
          "symbol": "VDDA",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.6,
          "typ": 3.3,
          "max": 3.6,
          "conditions": "Same as VDD",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "Battery supply voltage",
          "symbol": "VBAT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.8,
          "typ": null,
          "max": 3.6,
          "conditions": "",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "Power on reset threshold",
          "symbol": "VPOR",
          "kind": "electrical",
          "unit": "V",
          "min": 2.3,
          "typ": 2.4,
          "max": 2.48,
          "conditions": "",
          "source_page": 38,
          "source": "datasheet"
        },
        {
          "name": "Power down reset threshold",
          "symbol": "VPDR",
          "kind": "electrical",
          "unit": "V",
          "min": 1.72,
          "typ": 1.8,
          "max": 1.88,
          "conditions": "",
          "source_page": 38,
          "source": "datasheet"
        },
        {
          "name": "PDR hysteresis",
          "symbol": "VHYST",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.6,
          "max": null,
          "conditions": "",
          "source_page": 38,
          "source": "datasheet"
        },
        {
          "name": "Reset temporization",
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