GD32E103CBT6

{
  "slug": "gd32e103cbt6",
  "version": "0.1.0",
  "type": "component",
  "description": "GigaDevice Semicon Beijing Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "gd32e103cbt6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "gd32e103cbt6.kicad_sym",
    "gd32e103cbt6.kicad_mod",
    "gd32e103cbt6.glb",
    "gd32e103cbt6.step",
    "gd32e103cbt6.lbr",
    "docs/hero.png",
    "docs/gd32e103cbt6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "gd32e103cbt6-hero.glb",
    "gd32e103cbt6-hero.overlay.json",
    "gd32e103cbt6-etched.glb"
  ],
  "component": {
    "mpn": "GD32E103CBT6",
    "manufacturer": "GigaDevice Semicon Beijing",
    "package": "LQFP-48(7x7)",
    "pin_count": 48,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884754099396608",
    "parts": {
      "symbol": "gd32e103cbt6.kicad_sym",
      "footprint": "gd32e103cbt6.kicad_mod",
      "model_3d": "gd32e103cbt6-hero.glb",
      "model_3d_plain": "gd32e103cbt6-etched.glb",
      "model_3d_step": "gd32e103cbt6-etched.step",
      "model_3d_step_plain": "gd32e103cbt6.step",
      "lbr": "gd32e103cbt6.lbr"
    },
    "distributor_links": {
      "lcsc": "C470882"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T23:44:45Z",
      "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 power supply pin (default function VBAT); the pin-definition table gives no voltage limits for it."
      },
      {
        "number": "2",
        "name": "PC13-TAMPER-RTC",
        "type": "bidirectional",
        "description": "General-purpose I/O PC13 with alternate function RTC_TAMPER; the I/O level is not marked 5VT in the table."
      },
      {
        "number": "3",
        "name": "PC14-OSC32IN",
        "type": "bidirectional",
        "description": "General-purpose I/O PC14 with alternate function OSC32IN for the 32.768 kHz low-speed crystal (LXTAL); the I/O level is not marked 5VT."
      },
      {
        "number": "4",
        "name": "PC15-OSC32OUT",
        "type": "bidirectional",
        "description": "General-purpose I/O PC15 with alternate function OSC32OUT for the 32.768 kHz low-speed crystal (LXTAL); the I/O level is not marked 5VT."
      },
      {
        "number": "5",
        "name": "PD0-OSCIN",
        "type": "input",
        "description": "Default function OSCIN (high-speed crystal input, 4-32 MHz HXTAL); remappable to PD0, and PD0 cannot be used for EXTI in this package."
      },
      {
        "number": "6",
        "name": "PD1-OSCOUT",
        "type": "output",
        "description": "Default function OSCOUT (high-speed crystal output); remappable to PD1, and PD1 cannot be used for EXTI in this package."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Reset pin (default function NRST)."
      },
      {
        "number": "8",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground pin for the ADC/DAC and analog circuitry (default function VSSA); VREF- is internally connected to VSSA in this package."
      },
      {
        "number": "9",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply pin (default function VDDA); VREF+ is internally connected to VDDA in this package."
      },
      {
        "number": "10",
        "name": "PA0-WKUP",
        "type": "bidirectional",
        "description": "General-purpose I/O PA0 with alternate functions WKUP, USART1_CTS, ADC01_IN0, TIMER1_CH0_ETI and TIMER4_CH0; the I/O level is not marked 5VT."
      },
      {
        "number": "11",
        "name": "PA1",
        "type": "bidirectional",
        "description": "General-purpose I/O PA1 with alternate functions USART1_RTS, ADC01_IN1, TIMER4_CH1 and TIMER1_CH1; the I/O level is not marked 5VT."
      },
      {
        "number": "12",
        "name": "PA2",
        "type": "bidirectional",
        "description": "General-purpose I/O PA2 with alternate functions USART1_TX, TIMER4_CH2, ADC01_IN2, TIMER8_CH0, TIMER1_CH2 and SPI0_IO2; the I/O level is not marked 5VT."
      },
      {
        "number": "13",
        "name": "PA3",
        "type": "bidirectional",
        "description": "General-purpose I/O PA3 with alternate functions USART1_RX, TIMER4_CH3, ADC01_IN3, TIMER1_CH3, TIMER8_CH1 and SPI0_IO3; the I/O level is not marked 5VT."
      },
      {
        "number": "14",
        "name": "PA4",
        "type": "bidirectional",
        "description": "General-purpose I/O PA4 with alternate functions SPI0_NSS, USART1_CK, DAC_OUT0 and ADC01_IN4, remappable to SPI2_NSS and I2S2_WS; the I/O level is not marked 5VT."
      },
      {
        "number": "15",
        "name": "PA5",
        "type": "bidirectional",
        "description": "General-purpose I/O PA5 with alternate functions SPI0_SCK, ADC01_IN5 and DAC_OUT1; the I/O level is not marked 5VT."
      },
      {
        "number": "16",
        "name": "PA6",
        "type": "bidirectional",
        "description": "General-purpose I/O PA6 with alternate functions SPI0_MISO, ADC01_IN6 and TIMER2_CH0, TIMER12_CH0 (TIMER12_CH0 as printed), remappable to TIMER0_BKIN; the I/O level is not marked 5VT."
      },
      {
        "number": "17",
        "name": "PA7",
        "type": "bidirectional",
        "description": "General-purpose I/O PA7 with alternate functions SPI0_MOSI, ADC01_IN7, TIMER2_CH1 and TIMER13_CH0, remappable to TIMER0_CH0_ON; the I/O level is not marked 5VT."
      },
      {
        "number": "18",
        "name": "PB0",
        "type": "bidirectional",
        "description": "General-purpose I/O PB0 with alternate functions ADC01_IN8 and TIMER2_CH2, remappable to TIMER0_CH1_ON; the I/O level is not marked 5VT."
      },
      {
        "number": "19",
        "name": "PB1",
        "type": "bidirectional",
        "description": "General-purpose I/O PB1 with alternate functions ADC01_IN9 and TIMER2_CH3, remappable to TIMER0_CH2_ON; the I/O level is not marked 5VT."
      },
      {
        "number": "20",
        "name": "PB2",
        "type": "bidirectional",
        "description": "General-purpose 5V-tolerant I/O PB2 that also serves as BOOT1 (default function PB2, BOOT1)."
      },
      {
        "number": "21",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5V-tolerant I/O PB10 with alternate functions I2C1_SCL and USART2_TX, remappable to TIMER1_CH2."
      },
      {
        "number": "22",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5V-tolerant I/O PB11 with alternate functions I2C1_SDA and USART2_RX, remappable to TIMER1_CH3."
      },
      {
        "number": "23",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Digital ground pin (default function VSS_1)."
      },
      {
        "number": "24",
        "name": "VDD_1",
        "type": "power_in",
        "description": "Digital supply pin (default function VDD_1)."
      },
      {
        "number": "25",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5V-tolerant I/O PB12 with alternate functions SPI1_NSS, I2S1_WS, I2C1_SMBA, USART2_CK, TIMER0_BKIN and CAN1_RX."
      },
      {
        "number": "26",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5V-tolerant I/O PB13 with alternate functions SPI1_SCK, I2S1_CK, USART2_CTS, TIMER0_CH0_ON, CAN1_TX and I2C1_TXFRAME."
      },
      {
        "number": "27",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5V-tolerant I/O PB14 with alternate functions SPI1_MISO, USART2_RTS, TIMER0_CH1_ON and TIMER11_CH0."
      },
      {
        "number": "28",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5V-tolerant I/O PB15 with alternate functions SPI1_MOSI, I2S1_SD, TIMER0_CH2_ON and TIMER11_CH11 (as printed)."
      },
      {
        "number": "29",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5V-tolerant I/O PA8 with alternate functions USART0_CK, TIMER0_CH0, CK_OUT0, VCORE, USBFS_SOF and CTC_SYNC."
      },
      {
        "number": "30",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5V-tolerant I/O PA9 with alternate functions USART0_TX, TIMER0_CH1 and USBFS_VBUS."
      },
      {
        "number": "31",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5V-tolerant I/O PA10 with alternate functions USART0_RX, TIMER0_CH2, USBFS_ID and V1REF."
      },
      {
        "number": "32",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5V-tolerant I/O PA11 with alternate functions USART0_CTS, CAN0_RX, USBFS_DM and TIMER0_CH3."
      },
      {
        "number": "33",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5V-tolerant I/O PA12 with alternate functions USART0_RTS, CAN0_TX, USBFS_DP and TIMER0_ETI."
      },
      {
        "number": "34",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5V-tolerant I/O PA13, default function JTMS/SWDIO, remappable to PA13."
      },
      {
        "number": "35",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Digital ground pin (default function VSS_2)."
      },
      {
        "number": "36",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Digital supply pin (default function VDD_2)."
      },
      {
        "number": "37",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5V-tolerant I/O PA14, default function JTCK/SWCLK, remappable to PA14."
      },
      {
        "number": "38",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5V-tolerant I/O PA15, default function JTDI, alternate SPI2_NSS and I2S2_WS, remappable to TIMER1_CH0_ETI, TIMER1_ETI, PA15 and SPI0_NSS."
      },
      {
        "number": "39",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5V-tolerant I/O PB3, default function JTDO, alternate SPI2_SCK and I2S2_CK, remappable to TIMER1_CH1, PB3, TRACESWO and SPI0_SCK."
      },
      {
        "number": "40",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5V-tolerant I/O PB4, default function NJTRST, alternate SPI2_MISO and I2C0_TXFRAME, remappable to TIMER2_CH0, PB4 and SPI0_MISO."
      },
      {
        "number": "41",
        "name": "PB5",
        "type": "bidirectional",
        "description": "I/O PB5 with alternate functions I2C0_SMBA, SPI2_MOSI and I2S2_SD, remappable to TIMER2_CH1, SPI0_MOSI and CAN1_RX; the I/O level is not marked 5VT."
      },
      {
        "number": "42",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5V-tolerant I/O PB6 with alternate functions I2C0_SCL and TIMER3_CH0, remappable to USART0_TX, CAN1_TX and SPI0_IO2."
      },
      {
        "number": "43",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5V-tolerant I/O PB7 with alternate functions I2C0_SDA and TIMER3_CH1, remappable to USART0_RX and SPI0_IO3."
      },
      {
        "number": "44",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot mode selection input (default function BOOT0)."
      },
      {
        "number": "45",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5V-tolerant I/O PB8 with alternate functions TIMER3_CH2 and TIMER9_CH0, remappable to I2C0_SCL and CAN0_RX."
      },
      {
        "number": "46",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5V-tolerant I/O PB9 with alternate functions TIMER3_CH3 and TIMER10_CH0, remappable to I2C0_SDA and CAN0_TX."
      },
      {
        "number": "47",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Digital ground pin (default function VSS_3)."
      },
      {
        "number": "48",
        "name": "VDD_3",
        "type": "power_in",
        "description": "Digital supply pin (default function 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: The 7x7 mm LQFP48 body size is not stated in the supplied pages: the LQFP48 package dimension table ; Power supply pins (VBAT, VDDA, VSSA, VDD_x, VSS_x) are listed with no voltage or current limits in t; Pin-definition table notes are not restated for this package: the datasheet states VREF- and VREF+ a"
        ],
        "pages_sent": 37,
        "cost_usd": 0.1798,
        "at": "2026-10-18T23:42:30"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884754099396608",
        "pages": 80,
        "sha256": "b9866c3233b5ee3b",
        "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"
    },
    "models_3d": [
      {
        "file": "gd32e103cbt6.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.0,
          9.0,
          1.5
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "9dea352d93177c2904afd7d7b68ea8855ce1ab691f69f8b3e13655600514b6bf",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "gd32e103cbt6-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.0,
          9.0,
          1.5
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f123532cd1a19eca66c0ff0d529ebc0bfe5008022a822d4b1354dfcdcd24bbc7",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}