GD32C103TBU6

{
  "slug": "gd32c103tbu6",
  "version": "0.1.0",
  "type": "component",
  "description": "GigaDevice Semicon Beijing Pre-ordered Chips, QFN-36-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface ics",
    "gd32c103tbu6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "gd32c103tbu6.kicad_sym",
    "gd32c103tbu6.kicad_mod",
    "gd32c103tbu6.glb",
    "gd32c103tbu6.step",
    "gd32c103tbu6.lbr",
    "docs/hero.png",
    "docs/gd32c103tbu6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "gd32c103tbu6-hero.glb",
    "gd32c103tbu6-hero.overlay.json",
    "gd32c103tbu6-etched.glb"
  ],
  "component": {
    "mpn": "GD32C103TBU6",
    "manufacturer": "GigaDevice Semicon Beijing",
    "package": "QFN-36-EP(6x6)",
    "pin_count": 37,
    "category": "Interface ICs",
    "subcategory": "Pre-ordered Chips",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/bbdd9ec56770da15fa028f4021ae92af.pdf",
    "parts": {
      "symbol": "gd32c103tbu6.kicad_sym",
      "footprint": "gd32c103tbu6.kicad_mod",
      "model_3d": "gd32c103tbu6-hero.glb",
      "model_3d_plain": "gd32c103tbu6-etched.glb",
      "model_3d_step": "gd32c103tbu6-etched.step",
      "model_3d_step_plain": "gd32c103tbu6.step",
      "lbr": "gd32c103tbu6.lbr"
    },
    "distributor_links": {
      "lcsc": "C2858915"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T21:50:35Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD_3",
        "type": "power_in",
        "description": "Digital power supply pin VDD_3."
      },
      {
        "number": "2",
        "name": "PD0-OSCIN",
        "type": "input",
        "description": "Default function OSCIN (HXTAL oscillator input), remappable to PD0, which cannot be used for EXTI in this package."
      },
      {
        "number": "3",
        "name": "PD1-OSCOUT",
        "type": "output",
        "description": "Default function OSCOUT (HXTAL oscillator output), remappable to PD1, which cannot be used for EXTI in this package."
      },
      {
        "number": "4",
        "name": "NRST",
        "type": "bidirectional",
        "description": "External reset pin, default function NRST."
      },
      {
        "number": "5",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground pin VSSA."
      },
      {
        "number": "6",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog power supply pin VDDA, to which VREFP is internally connected in this package."
      },
      {
        "number": "7",
        "name": "PA0-WKUP",
        "type": "bidirectional",
        "description": "GPIO PA0 with alternates WKUP, USART1_CTS, ADC01_IN0, TIMER1_CH0, TIMER1_ETI, TIMER4_CH0."
      },
      {
        "number": "8",
        "name": "PA1",
        "type": "bidirectional",
        "description": "GPIO PA1 with alternates USART1_RTS, ADC01_IN1, TIMER4_CH1, TIMER1_CH1."
      },
      {
        "number": "9",
        "name": "PA2",
        "type": "bidirectional",
        "description": "GPIO PA2 with alternates USART1_TX, TIMER4_CH2, ADC01_IN2, TIMER1_CH2, SPI0_IO2."
      },
      {
        "number": "10",
        "name": "PA3",
        "type": "bidirectional",
        "description": "GPIO PA3 with alternates USART1_RX, TIMER4_CH3, ADC01_IN3, TIMER1_CH3, SPI0_IO3."
      },
      {
        "number": "11",
        "name": "PA4",
        "type": "bidirectional",
        "description": "GPIO PA4 with alternates SPI0_NSS, USART1_CK, DAC0_OUT0, ADC01_IN4."
      },
      {
        "number": "12",
        "name": "PA5",
        "type": "bidirectional",
        "description": "GPIO PA5 with alternates SPI0_SCK, ADC01_IN5, DAC0_OUT1."
      },
      {
        "number": "13",
        "name": "PA6",
        "type": "bidirectional",
        "description": "GPIO PA6 with alternates SPI0_MISO, ADC01_IN6, TIMER2_CH0 and remap TIMER0_BRKIN."
      },
      {
        "number": "14",
        "name": "PA7",
        "type": "bidirectional",
        "description": "GPIO PA7 with alternates SPI0_MOSI, ADC01_IN7, TIMER2_CH1 and remap TIMER0_CH0_ON."
      },
      {
        "number": "15",
        "name": "PB0",
        "type": "bidirectional",
        "description": "GPIO PB0 with alternates ADC01_IN8, TIMER2_CH2 and remap TIMER0_CH1_ON."
      },
      {
        "number": "16",
        "name": "PB1",
        "type": "bidirectional",
        "description": "GPIO PB1 with alternates ADC01_IN9, TIMER2_CH3 and remap TIMER0_CH2_ON."
      },
      {
        "number": "17",
        "name": "PB2",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PB2, default function PB2/BOOT1."
      },
      {
        "number": "18",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Digital ground pin VSS_1."
      },
      {
        "number": "19",
        "name": "VDD_1",
        "type": "power_in",
        "description": "Digital power supply pin VDD_1."
      },
      {
        "number": "20",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PA8 with alternates USART0_CK, TIMER0_CH0, CK_OUT0, USBFS_SOF, CTC_SYNC."
      },
      {
        "number": "21",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PA9 with alternates USART0_TX, TIMER0_CH1, USBFS_VBUS."
      },
      {
        "number": "22",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PA10 with alternates USART0_RX, TIMER0_CH2, USBFS_ID."
      },
      {
        "number": "23",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PA11 with alternates USART0_CTS, CAN0_RX, USBFS_DM, TIMER0_CH3."
      },
      {
        "number": "24",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PA12 with alternates USART0_RTS, CAN0_TX, USBFS_DP, TIMER0_ETI."
      },
      {
        "number": "25",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5V-tolerant pin whose default function is JTMS/SWDIO, remappable to PA13."
      },
      {
        "number": "26",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Digital ground pin VSS_2."
      },
      {
        "number": "27",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Digital power supply pin VDD_2."
      },
      {
        "number": "28",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5V-tolerant pin whose default function is JTCK/SWCLK, remappable to PA14."
      },
      {
        "number": "29",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5V-tolerant pin whose default function is JTDI, with remaps TIMER1_CH0, TIMER1_ETI, PA15, SPI0_NSS."
      },
      {
        "number": "30",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5V-tolerant pin whose default function is JTDO, with remaps TIMER1_CH1, PB3, SPI0_SCK."
      },
      {
        "number": "31",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5V-tolerant pin whose default function is NJTRST, with alternate I2C0_TXFRAME and remaps TIMER2_CH0, PB4, SPI0_MISO."
      },
      {
        "number": "32",
        "name": "PB5",
        "type": "bidirectional",
        "description": "GPIO PB5 (not 5V tolerant) with alternate I2C0_SMBA and remaps TIMER2_CH1, SPI0_MOSI, CAN1_RX."
      },
      {
        "number": "33",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PB6 with alternates I2C0_SCL, TIMER3_CH0 and remaps USART0_TX, CAN1_TX, SPI0_IO2."
      },
      {
        "number": "34",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PB7 with alternates I2C0_SDA, TIMER3_CH1 and remaps USART0_RX, SPI0_IO3."
      },
      {
        "number": "35",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot mode selection input, default function BOOT0."
      },
      {
        "number": "36",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Digital ground pin VSS_3."
      },
      {
        "number": "37",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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: The QFN36 package outline shows an exposed thermal pad zone (D2/E2 3.90 mm typ), but the pin table (; Table 2-7 lists VDD_3 as pin 1 at the end of the table, out of order. This matches the Figure 2-6 nu; The datasheet does not give pin descriptions for power pins beyond 'Default: <name>'. Descriptions f"
        ],
        "pages_sent": 50,
        "cost_usd": 0.3694,
        "at": "2026-10-22T21:50:21"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/bbdd9ec56770da15fa028f4021ae92af.pdf",
        "pages": 99,
        "sha256": "bd4df4decb53d015",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 37,
        "described": 37,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "gd32c103tbu6.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          6.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6212c4fd2463ccb7c6ae2c35f5e24c80884153fcaeaf8e86549c0e49087bc8bb",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "gd32c103tbu6-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          6.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "091d6acd116be755d233bc7b0fd4b5a8c0aea525789138de7a66792acf9d120c",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}