GD32F103C8T6

{
  "schema_version": 1,
  "type": "component",
  "slug": "gd32f103c8t6",
  "title": "GD32F103C8T6",
  "brief": "GigaDevice Semicon Beijing Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "mcu",
    "gd32f103c8t6"
  ],
  "component": {
    "mpn": "GD32F103C8T6",
    "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/1d74ef4f91dcd6947e83d1af76213456.pdf",
    "parts": {
      "symbol": "gd32f103c8t6.kicad_sym",
      "footprint": "gd32f103c8t6.kicad_mod",
      "model_3d": "gd32f103c8t6-etched.glb",
      "model_3d_plain": "gd32f103c8t6.glb",
      "model_3d_step": "gd32f103c8t6-etched.step",
      "model_3d_step_plain": "gd32f103c8t6.step",
      "lbr": "gd32f103c8t6.lbr"
    },
    "distributor_links": {
      "lcsc": "C77994"
    },
    "pins": [
      {
        "number": "1",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup domain supply, 1.8-3.6 V. Powers the RTC, LXTAL oscillator and backup registers when VDD is removed. Tie to VDD when battery back-up is not used."
      },
      {
        "number": "2",
        "name": "PC13-TAMPER-RTC",
        "type": "bidirectional",
        "description": "GPIO PC13 powered from the backup domain. Alternate function: TAMPER-RTC (RTC tamper detect / RTC alarm / second output). Limited drive current when supplied from VBAT."
      },
      {
        "number": "3",
        "name": "PC14-OSC32IN",
        "type": "bidirectional",
        "description": "GPIO PC14 / low-speed external 32.768 kHz crystal input (OSC32IN). Configure as OSC32IN when the LXTAL oscillator is enabled for the RTC."
      },
      {
        "number": "4",
        "name": "PC15-OSC32OUT",
        "type": "bidirectional",
        "description": "GPIO PC15 / low-speed external 32.768 kHz crystal output (OSC32OUT). Configure as OSC32OUT when the LXTAL oscillator is enabled."
      },
      {
        "number": "5",
        "name": "OSCIN",
        "type": "input",
        "description": "High-speed external crystal/resonator input (HXTAL, 4-32 MHz) or external clock input for the main PLL."
      },
      {
        "number": "6",
        "name": "OSCOUT",
        "type": "output",
        "description": "High-speed external crystal drive output (HXTAL). Leave floating when using an external single-ended clock into OSCIN."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Active-low bidirectional device reset. Driven low internally for POR/BOR/watchdog resets; a typical 100 nF cap to VSS is recommended."
      },
      {
        "number": "8",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground reference for ADC, DAC and analog reference. Tie to the board analog ground; typically joined to VSS at a single point."
      },
      {
        "number": "9",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply for ADC, DAC and reset/PVD block, 2.0-3.6 V (min 2.4 V for ADC use). Decouple locally with 100 nF plus 1 uF."
      },
      {
        "number": "10",
        "name": "PA0-WKUP",
        "type": "bidirectional",
        "description": "GPIO PA0. Alternate functions: WKUP (standby wake-up), USART1_CTS, ADC012_IN0, TIMER1_CH0, TIMER1_ETI."
      },
      {
        "number": "11",
        "name": "PA1",
        "type": "bidirectional",
        "description": "GPIO PA1. Alternate functions: USART1_RTS, ADC012_IN1, TIMER1_CH1."
      },
      {
        "number": "12",
        "name": "PA2",
        "type": "bidirectional",
        "description": "GPIO PA2. Alternate functions: USART1_TX, ADC012_IN2, TIMER1_CH2."
      },
      {
        "number": "13",
        "name": "PA3",
        "type": "bidirectional",
        "description": "GPIO PA3. Alternate functions: USART1_RX, ADC012_IN3, TIMER1_CH3."
      },
      {
        "number": "14",
        "name": "PA4",
        "type": "bidirectional",
        "description": "GPIO PA4. Alternate functions: SPI0_NSS, USART1_CK, ADC01_IN4."
      },
      {
        "number": "15",
        "name": "PA5",
        "type": "bidirectional",
        "description": "GPIO PA5. Alternate functions: SPI0_SCK, ADC01_IN5."
      },
      {
        "number": "16",
        "name": "PA6",
        "type": "bidirectional",
        "description": "GPIO PA6. Alternate: SPI0_MISO, ADC01_IN6, TIMER2_CH0. Remap: TIMER0_BRKIN."
      },
      {
        "number": "17",
        "name": "PA7",
        "type": "bidirectional",
        "description": "GPIO PA7. Alternate: SPI0_MOSI, ADC01_IN7, TIMER2_CH1. Remap: TIMER0_CH0_ON."
      },
      {
        "number": "18",
        "name": "PB0",
        "type": "bidirectional",
        "description": "GPIO PB0. Alternate: ADC01_IN8, TIMER2_CH2. Remap: TIMER0_CH1_ON."
      },
      {
        "number": "19",
        "name": "PB1",
        "type": "bidirectional",
        "description": "GPIO PB1. Alternate: ADC01_IN9, TIMER2_CH3. Remap: TIMER0_CH2_ON."
      },
      {
        "number": "20",
        "name": "PB2",
        "type": "bidirectional",
        "description": "GPIO PB2 / BOOT1 boot-mode selector strap (5 V tolerant). Sampled at reset together with BOOT0."
      },
      {
        "number": "21",
        "name": "PB10",
        "type": "bidirectional",
        "description": "GPIO PB10 (5 V tolerant). Alternate: I2C1_SCL, USART2_TX. Remap: TIMER1_CH2."
      },
      {
        "number": "22",
        "name": "PB11",
        "type": "bidirectional",
        "description": "GPIO PB11 (5 V tolerant). Alternate: I2C1_SDA, USART2_RX. Remap: TIMER1_CH3."
      },
      {
        "number": "23",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Digital ground (one of three VSS pins). Tie all VSS pins to the board ground plane."
      },
      {
        "number": "24",
        "name": "VDD_1",
        "type": "power_in",
        "description": "Digital I/O supply, 2.0-3.6 V (one of three VDD pins). Decouple each VDD/VSS pair with a 100 nF capacitor and a shared 4.7 uF bulk."
      },
      {
        "number": "25",
        "name": "PB12",
        "type": "bidirectional",
        "description": "GPIO PB12 (5 V tolerant). Alternate: SPI1_NSS, I2C1_SMBA, USART2_CK, TIMER0_BRKIN."
      },
      {
        "number": "26",
        "name": "PB13",
        "type": "bidirectional",
        "description": "GPIO PB13 (5 V tolerant). Alternate: SPI1_SCK, USART2_CTS, TIMER0_CH0_ON."
      },
      {
        "number": "27",
        "name": "PB14",
        "type": "bidirectional",
        "description": "GPIO PB14 (5 V tolerant). Alternate: SPI1_MISO, USART2_RTS, TIMER0_CH1_ON."
      },
      {
        "number": "28",
        "name": "PB15",
        "type": "bidirectional",
        "description": "GPIO PB15 (5 V tolerant). Alternate: SPI1_MOSI, TIMER0_CH2_ON."
      },
      {
        "number": "29",
        "name": "PA8",
        "type": "bidirectional",
        "description": "GPIO PA8 (5 V tolerant). Alternate: USART0_CK, TIMER0_CH0, CK_OUT0 (MCO clock output)."
      },
      {
        "number": "30",
        "name": "PA9",
        "type": "bidirectional",
        "description": "GPIO PA9 (5 V tolerant). Alternate: USART0_TX, TIMER0_CH1."
      },
      {
        "number": "31",
        "name": "PA10",
        "type": "bidirectional",
        "description": "GPIO PA10 (5 V tolerant). Alternate: USART0_RX, TIMER0_CH2."
      },
      {
        "number": "32",
        "name": "PA11",
        "type": "bidirectional",
        "description": "GPIO PA11 (5 V tolerant). Alternate: USART0_CTS, CAN0_RX, USBDM (USB D-), TIMER0_CH3."
      },
      {
        "number": "33",
        "name": "PA12",
        "type": "bidirectional",
        "description": "GPIO PA12 (5 V tolerant). Alternate: USART0_RTS, CAN0_TX, TIMER0_ETI, USBDP (USB D+)."
      },
      {
        "number": "34",
        "name": "PA13",
        "type": "bidirectional",
        "description": "SWDIO / JTMS by default (SW-DP and JTAG data line). Remap to PA13 GPIO by releasing the debug port through AFIO."
      },
      {
        "number": "35",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Digital ground (one of three VSS pins)."
      },
      {
        "number": "36",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Digital I/O supply, 2.0-3.6 V (one of three VDD pins)."
      },
      {
        "number": "37",
        "name": "PA14",
        "type": "bidirectional",
        "description": "SWCLK / JTCK by default (SW-DP and JTAG clock line). Remap to PA14 GPIO when the debug port is released."
      },
      {
        "number": "38",
        "name": "PA15",
        "type": "bidirectional",
        "description": "JTDI by default (5 V tolerant). Remap options: TIMER1_CH0, TIMER1_ETI, PA15 GPIO, SPI0_NSS."
      },
      {
        "number": "39",
        "name": "PB3",
        "type": "bidirectional",
        "description": "JTDO by default (5 V tolerant). Remap options: PB3 GPIO, TIMER1_CH1, SPI0_SCK."
      },
      {
        "number": "40",
        "name": "PB4",
        "type": "bidirectional",
        "description": "NJTRST by default (5 V tolerant). Remap options: TIMER2_CH0, PB4 GPIO, SPI0_MISO."
      },
      {
        "number": "41",
        "name": "PB5",
        "type": "bidirectional",
        "description": "GPIO PB5 (not 5 V tolerant). Alternate: I2C0_SMBA. Remap: TIMER2_CH1, SPI0_MOSI."
      },
      {
        "number": "42",
        "name": "PB6",
        "type": "bidirectional",
        "description": "GPIO PB6 (5 V tolerant). Alternate: I2C0_SCL, TIMER3_CH0. Remap: USART0_TX."
      },
      {
        "number": "43",
        "name": "PB7",
        "type": "bidirectional",
        "description": "GPIO PB7 (5 V tolerant). Alternate: I2C0_SDA, TIMER3_CH1. Remap: USART0_RX."
      },
      {
        "number": "44",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot mode selection strap sampled at reset. Together with BOOT1 (PB2) selects boot from main flash, system-memory bootloader, or embedded SRAM."
      },
      {
        "number": "45",
        "name": "PB8",
        "type": "bidirectional",
        "description": "GPIO PB8 (5 V tolerant). Alternate: TIMER3_CH2. Remap: I2C0_SCL, CAN0_RX."
      },
      {
        "number": "46",
        "name": "PB9",
        "type": "bidirectional",
        "description": "GPIO PB9 (5 V tolerant). Alternate: TIMER3_CH3. Remap: I2C0_SDA, CAN0_TX."
      },
      {
        "number": "47",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Digital ground (one of three VSS pins)."
      },
      {
        "number": "48",
        "name": "VDD_3",
        "type": "power_in",
        "description": "Digital I/O supply, 2.0-3.6 V (one of three VDD pins)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/1d74ef4f91dcd6947e83d1af76213456.pdf",
        "pages": 112,
        "sha256": "53da1a17a1523e83",
        "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": "gd32f103c8t6.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": "gd32f103c8t6-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": "ffc27c5e1668fa603f29a07627c1ebc232843e4220cd37ecd53312ddbd7e32fb",
        "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": [
    "gd32f103c8t6"
  ],
  "discovery_pitch": "GD32F103C8T6 (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",
    "gd32f103c8t6.kicad_sym",
    "gd32f103c8t6.kicad_mod",
    "gd32f103c8t6.glb",
    "gd32f103c8t6.step",
    "gd32f103c8t6-etched.step",
    "gd32f103c8t6.lbr",
    "docs/hero.png",
    "docs/gd32f103c8t6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "GD32F103C8T6",
      "kind": "packaging"
    },
    {
      "mpn": "GD32F103CBT6",
      "kind": "unknown"
    },
    {
      "mpn": "GD32F103C6T6",
      "kind": "unknown"
    },
    {
      "mpn": "GD32F103C4T6",
      "kind": "unknown"
    },
    {
      "mpn": "GD32F103T8U6",
      "kind": "unknown"
    },
    {
      "mpn": "GD32F103TBU6",
      "kind": "unknown"
    },
    {
      "mpn": "GD32F103T6U6",
      "kind": "unknown"
    },
    {
      "mpn": "GD32F103T4U6",
      "kind": "unknown"
    },
    {
      "mpn": "GD32F103R8T6",
      "kind": "unknown"
    },
    {
      "mpn": "GD32F103RBT6",
      "kind": "unknown"
    },
    {
      "mpn": "GD32F103RCT6",
      "kind": "unknown"
    },
    {
      "mpn": "GD32F103RDT6",
      "kind": "unknown"
    },
    {
      "mpn": "GD32F103RET6",
      "kind": "unknown"
    },
    {
      "mpn": "GD32F103RFT6",
      "kind": "unknown"
    },
    {
      "mpn": "GD32F103RGT6",
      "kind": "unknown"
    },
    {
      "mpn": "GD32F103RIT6",
      "kind": "unknown"
    },
    {
      "mpn": "GD32F103RKT6",
      "kind": "unknown"
    },
    {
      "mpn": "GD32F103V8T6",
      "kind": "unknown"
    },
    {
      "mpn": "GD32F103VBT6",
      "kind": "unknown"
    },
    {
      "mpn": "GD32F103VCT6",
      "kind": "unknown"
    },
    {
      "mpn": "GD32F103VDT6",
      "kind": "unknown"
    },
    {
      "mpn": "GD32F103VET6",
      "kind": "unknown"
    },
    {
      "mpn": "GD32F103ZCT6",
      "kind": "unknown"
    },
    {
      "mpn": "GD32F103ZDT6",
      "kind": "unknown"
    },
    {
      "mpn": "GD32F103ZET6",
      "kind": "unknown"
    },
    {
      "mpn": "GD32F103ZFT6",
      "kind": "unknown"
    },
    {
      "mpn": "GD32F103ZGT6",
      "kind": "unknown"
    },
    {
      "mpn": "GD32F103ZIT6",
      "kind": "unknown"
    },
    {
      "mpn": "GD32F103ZKT6",
      "kind": "unknown"
    }
  ],
  "updated_at": "2026-09-24T21:00:26.061Z"
}