GD32C103CBT6

{
  "schema_version": 1,
  "type": "component",
  "slug": "gd32c103cbt6",
  "title": "GD32C103CBT6",
  "brief": "GigaDevice Semicon Beijing Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "mcu",
    "gd32c103cbt6"
  ],
  "component": {
    "mpn": "GD32C103CBT6",
    "manufacturer": "GigaDevice Semicon Beijing",
    "package": "LQFP-48(7x7)",
    "pin_count": 48,
    "category": "MCU",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/bbdd9ec56770da15fa028f4021ae92af.pdf",
    "parts": {
      "symbol": "gd32c103cbt6.kicad_sym",
      "footprint": "gd32c103cbt6.kicad_mod",
      "model_3d": "gd32c103cbt6-etched.glb",
      "model_3d_plain": "gd32c103cbt6.glb",
      "model_3d_step": "gd32c103cbt6-etched.step",
      "model_3d_step_plain": "gd32c103cbt6.step",
      "lbr": "gd32c103cbt6.lbr"
    },
    "distributor_links": {
      "lcsc": "C2885643"
    },
    "pins": [
      {
        "number": "1",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup battery supply (1.8-3.6 V) for the RTC and backup domain when VDD is absent."
      },
      {
        "number": "2",
        "name": "PC13/TAMPER-RTC",
        "type": "bidirectional",
        "description": "General-purpose I/O PC13. Alternate function: RTC tamper detect input / RTC alarm/second output. Limited drive when powered from VBAT."
      },
      {
        "number": "3",
        "name": "PC14/OSC32IN",
        "type": "bidirectional",
        "description": "General-purpose I/O PC14. Alternate function: 32.768 kHz LSE crystal input (OSC32IN)."
      },
      {
        "number": "4",
        "name": "PC15/OSC32OUT",
        "type": "bidirectional",
        "description": "General-purpose I/O PC15. Alternate function: 32.768 kHz LSE crystal output (OSC32OUT)."
      },
      {
        "number": "5",
        "name": "PD0/OSCIN",
        "type": "input",
        "description": "HSE crystal/oscillator input (OSCIN, 4-32 MHz). Can be remapped to PD0 GPIO. Note: PD0/PD1 cannot be used for EXTI in this package."
      },
      {
        "number": "6",
        "name": "PD1/OSCOUT",
        "type": "output",
        "description": "HSE crystal oscillator output (OSCOUT). Can be remapped to PD1 GPIO. Note: PD0/PD1 cannot be used for EXTI in this package."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Bidirectional device reset input / open-drain reset output, active low."
      },
      {
        "number": "8",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground reference for ADC, DAC and VREF."
      },
      {
        "number": "9",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply for ADC, DAC and internal VREF (2.6-3.6 V, tied to VDD if ADC/DAC are unused within spec)."
      },
      {
        "number": "10",
        "name": "PA0/WKUP",
        "type": "bidirectional",
        "description": "GPIO PA0. Alt: WKUP wakeup input, USART1_CTS, ADC01_IN0, TIMER1_CH0/ETI, TIMER4_CH0."
      },
      {
        "number": "11",
        "name": "PA1",
        "type": "bidirectional",
        "description": "GPIO PA1. Alt: USART1_RTS, ADC01_IN1, TIMER4_CH1, TIMER1_CH1."
      },
      {
        "number": "12",
        "name": "PA2",
        "type": "bidirectional",
        "description": "GPIO PA2. Alt: USART1_TX, TIMER4_CH2, ADC01_IN2, TIMER8_CH0, TIMER1_CH2, SPI0_IO2."
      },
      {
        "number": "13",
        "name": "PA3",
        "type": "bidirectional",
        "description": "GPIO PA3. Alt: USART1_RX, TIMER4_CH3, ADC01_IN3, TIMER1_CH3, TIMER8_CH1, SPI0_IO3."
      },
      {
        "number": "14",
        "name": "PA4",
        "type": "bidirectional",
        "description": "GPIO PA4. Alt: SPI0_NSS, USART1_CK, DAC0_OUT0, ADC01_IN4. Remap: SPI2_NSS, I2S2_WS."
      },
      {
        "number": "15",
        "name": "PA5",
        "type": "bidirectional",
        "description": "GPIO PA5. Alt: SPI0_SCK, ADC01_IN5, DAC0_OUT1."
      },
      {
        "number": "16",
        "name": "PA6",
        "type": "bidirectional",
        "description": "GPIO PA6. Alt: SPI0_MISO, ADC01_IN6, TIMER2_CH0, TIMER12_CH0. Remap: TIMER0_BRKIN."
      },
      {
        "number": "17",
        "name": "PA7",
        "type": "bidirectional",
        "description": "GPIO PA7. Alt: SPI0_MOSI, ADC01_IN7, TIMER2_CH1, TIMER13_CH0. Remap: TIMER0_CH0_ON."
      },
      {
        "number": "18",
        "name": "PB0",
        "type": "bidirectional",
        "description": "GPIO PB0. Alt: ADC01_IN8, TIMER2_CH2. Remap: TIMER0_CH1_ON."
      },
      {
        "number": "19",
        "name": "PB1",
        "type": "bidirectional",
        "description": "GPIO PB1. Alt: ADC01_IN9, TIMER2_CH3. Remap: TIMER0_CH2_ON."
      },
      {
        "number": "20",
        "name": "PB2/BOOT1",
        "type": "bidirectional",
        "description": "GPIO PB2 (5 V-tolerant), also sampled as BOOT1 boot-mode select at reset."
      },
      {
        "number": "21",
        "name": "PB10",
        "type": "bidirectional",
        "description": "GPIO PB10 (5 V-tolerant). Alt: I2C1_SCL, USART2_TX. Remap: TIMER1_CH2."
      },
      {
        "number": "22",
        "name": "PB11",
        "type": "bidirectional",
        "description": "GPIO PB11 (5 V-tolerant). Alt: I2C1_SDA, USART2_RX. Remap: TIMER1_CH3."
      },
      {
        "number": "23",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "24",
        "name": "VDD_1",
        "type": "power_in",
        "description": "Digital supply (2.6-3.6 V)."
      },
      {
        "number": "25",
        "name": "PB12",
        "type": "bidirectional",
        "description": "GPIO PB12 (5 V-tolerant). Alt: SPI1_NSS, I2S1_WS, I2C1_SMBA, USART2_CK, TIMER0_BRKIN, CAN1_RX."
      },
      {
        "number": "26",
        "name": "PB13",
        "type": "bidirectional",
        "description": "GPIO PB13 (5 V-tolerant). Alt: SPI1_SCK, I2S1_CK, USART2_CTS, TIMER0_CH0_ON, CAN1_TX, I2C1_TXFRAME."
      },
      {
        "number": "27",
        "name": "PB14",
        "type": "bidirectional",
        "description": "GPIO PB14 (5 V-tolerant). Alt: SPI1_MISO, USART2_RTS, TIMER0_CH1_ON, TIMER11_CH0."
      },
      {
        "number": "28",
        "name": "PB15",
        "type": "bidirectional",
        "description": "GPIO PB15 (5 V-tolerant). Alt: SPI1_MOSI, I2S1_SD, TIMER0_CH2_ON, TIMER11_CH1."
      },
      {
        "number": "29",
        "name": "PA8",
        "type": "bidirectional",
        "description": "GPIO PA8 (5 V-tolerant). Alt: USART0_CK, TIMER0_CH0, CK_OUT0, USBFS_SOF, CTC_SYNC."
      },
      {
        "number": "30",
        "name": "PA9",
        "type": "bidirectional",
        "description": "GPIO PA9 (5 V-tolerant). Alt: USART0_TX, TIMER0_CH1, USBFS_VBUS."
      },
      {
        "number": "31",
        "name": "PA10",
        "type": "bidirectional",
        "description": "GPIO PA10 (5 V-tolerant). Alt: USART0_RX, TIMER0_CH2, USBFS_ID."
      },
      {
        "number": "32",
        "name": "PA11",
        "type": "bidirectional",
        "description": "GPIO PA11 (5 V-tolerant). Alt: USART0_CTS, CAN0_RX, USBFS_DM (USB full-speed D-), TIMER0_CH3."
      },
      {
        "number": "33",
        "name": "PA12",
        "type": "bidirectional",
        "description": "GPIO PA12 (5 V-tolerant). Alt: USART0_RTS, CAN0_TX, USBFS_DP (USB full-speed D+), TIMER0_ETI."
      },
      {
        "number": "34",
        "name": "PA13/JTMS/SWDIO",
        "type": "bidirectional",
        "description": "SWD data / JTAG TMS by default. Can be released as PA13 GPIO via AFIO debug remap."
      },
      {
        "number": "35",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "36",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Digital supply (2.6-3.6 V)."
      },
      {
        "number": "37",
        "name": "PA14/JTCK/SWCLK",
        "type": "bidirectional",
        "description": "SWD clock / JTAG TCK by default. Can be released as PA14 GPIO via AFIO debug remap."
      },
      {
        "number": "38",
        "name": "PA15/JTDI",
        "type": "bidirectional",
        "description": "JTAG TDI by default. Alt: SPI2_NSS, I2S2_WS. Remap: TIMER1_CH0/ETI, PA15, SPI0_NSS."
      },
      {
        "number": "39",
        "name": "PB3/JTDO",
        "type": "bidirectional",
        "description": "JTAG TDO / SWO by default. Alt: SPI2_SCK, I2S2_CK. Remap: TIMER1_CH1, PB3, SPI0_SCK."
      },
      {
        "number": "40",
        "name": "PB4/NJTRST",
        "type": "bidirectional",
        "description": "JTAG NJTRST by default. Alt: SPI2_MISO, I2C0_TXFRAME. Remap: TIMER2_CH0, PB4, SPI0_MISO."
      },
      {
        "number": "41",
        "name": "PB5",
        "type": "bidirectional",
        "description": "GPIO PB5. Alt: I2C0_SMBA, SPI2_MOSI, I2S2_SD. Remap: TIMER2_CH1, SPI0_MOSI, CAN1_RX."
      },
      {
        "number": "42",
        "name": "PB6",
        "type": "bidirectional",
        "description": "GPIO PB6 (5 V-tolerant). Alt: I2C0_SCL, TIMER3_CH0. Remap: USART0_TX, CAN1_TX, SPI0_IO2."
      },
      {
        "number": "43",
        "name": "PB7",
        "type": "bidirectional",
        "description": "GPIO PB7 (5 V-tolerant). Alt: I2C0_SDA, TIMER3_CH1. Remap: USART0_RX, SPI0_IO3."
      },
      {
        "number": "44",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot-mode select input, sampled at reset together with BOOT1 (PB2)."
      },
      {
        "number": "45",
        "name": "PB8",
        "type": "bidirectional",
        "description": "GPIO PB8 (5 V-tolerant). Alt: TIMER3_CH2, TIMER9_CH0. Remap: I2C0_SCL, CAN0_RX."
      },
      {
        "number": "46",
        "name": "PB9",
        "type": "bidirectional",
        "description": "GPIO PB9 (5 V-tolerant). Alt: TIMER3_CH3, TIMER10_CH0. Remap: I2C0_SDA, CAN0_TX."
      },
      {
        "number": "47",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "48",
        "name": "VDD_3",
        "type": "power_in",
        "description": "Digital supply (2.6-3.6 V)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "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": 48,
        "described": 48,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -4.1625,
        -2.75
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "LQFP-48_7x7mm_P0.5mm@sha256:1ccc5ad4d95398a4",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "gd32c103cbt6.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9,
          9,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "9dea352d93177c2904afd7d7b68ea8855ce1ab691f69f8b3e13655600514b6bf",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "gd32c103cbt6-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9,
          9,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "84ea630315928efcd0d74f6510f69f05d9a11751231bf23f9544b8c9e9fdee6e",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "GigaDevice Semicon Beijing",
      "Package": "LQFP-48(7x7)",
      "Category": "MCU",
      "Pins": "48"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "gd32c103cbt6"
  ],
  "discovery_pitch": "GD32C103CBT6 (GigaDevice Semicon Beijing) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "gd32c103cbt6.kicad_sym",
    "gd32c103cbt6.kicad_mod",
    "gd32c103cbt6.glb",
    "gd32c103cbt6.step",
    "gd32c103cbt6.lbr",
    "docs/hero.png",
    "docs/gd32c103cbt6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "GD32C103CBT6",
      "kind": "packaging"
    },
    {
      "mpn": "GD32C103CBT6CET6",
      "kind": "packaging"
    },
    {
      "mpn": "GD32C103CBT6C8T6",
      "kind": "packaging"
    },
    {
      "mpn": "GD32C103CBT6TBU6",
      "kind": "packaging"
    },
    {
      "mpn": "GD32C103CBT6TEU6",
      "kind": "packaging"
    },
    {
      "mpn": "GD32C103CBT6RBT6",
      "kind": "packaging"
    },
    {
      "mpn": "GD32C103CBT6RET6",
      "kind": "packaging"
    },
    {
      "mpn": "GD32C103CBT6R8T6",
      "kind": "packaging"
    },
    {
      "mpn": "GD32C103CBT6VBT6",
      "kind": "packaging"
    },
    {
      "mpn": "GD32C103CBT6VET6",
      "kind": "packaging"
    },
    {
      "mpn": "GD32C103CBT6V8T6",
      "kind": "packaging"
    },
    {
      "mpn": "GD32C103CBT6ZBH6",
      "kind": "packaging"
    },
    {
      "mpn": "GD32C103CBT6ZEH6",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T20:59:38.348Z"
}