GD32E503VET6

{
  "slug": "gd32e503vet6",
  "version": "0.1.0",
  "type": "component",
  "description": "GigaDevice Semicon Beijing Microcontrollers (MCU/MPU/SOC), LQFP-100(14x14). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "gd32e503vet6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "gd32e503vet6.kicad_sym",
    "gd32e503vet6.kicad_mod",
    "gd32e503vet6.glb",
    "gd32e503vet6.step",
    "gd32e503vet6.lbr",
    "docs/hero.png",
    "docs/gd32e503vet6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "gd32e503vet6-hero.glb",
    "gd32e503vet6-hero.overlay.json",
    "gd32e503vet6-etched.glb"
  ],
  "component": {
    "mpn": "GD32E503VET6",
    "manufacturer": "GigaDevice Semicon Beijing",
    "package": "LQFP-100(14x14)",
    "pin_count": 100,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589040420764454912",
    "parts": {
      "symbol": "gd32e503vet6.kicad_sym",
      "footprint": "gd32e503vet6.kicad_mod",
      "model_3d": "gd32e503vet6-hero.glb",
      "model_3d_plain": "gd32e503vet6-etched.glb",
      "model_3d_step": "gd32e503vet6-etched.step",
      "model_3d_step_plain": "gd32e503vet6.step",
      "lbr": "gd32e503vet6.lbr"
    },
    "distributor_links": {
      "lcsc": "C2976318"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T05:31:18Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PE2",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PE2, alternate functions TRACECK and EXMC_A23."
      },
      {
        "number": "2",
        "name": "PE3",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PE3, alternate functions TRACED0 and EXMC_A19."
      },
      {
        "number": "3",
        "name": "PE4",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PE4, alternate functions TRACED1 and EXMC_A20."
      },
      {
        "number": "4",
        "name": "PE5",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PE5, alternate functions TRACED2 and EXMC_A21; remap TIMER8_CH0 (GD32E503xE only)."
      },
      {
        "number": "5",
        "name": "PE6",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PE6, alternate functions TRACED3, EXMC_A22 and WKUP2; remap TIMER8_CH1 (GD32E503xE only)."
      },
      {
        "number": "6",
        "name": "VBAT",
        "type": "power_in",
        "description": "Default function VBAT; the pin table gives no further limits for this pin."
      },
      {
        "number": "7",
        "name": "PC13-TAMPER-RTC",
        "type": "bidirectional",
        "description": "GPIO PC13 (default); alternate functions TAMPER-RTC and WKUP1."
      },
      {
        "number": "8",
        "name": "PC14-OSC32IN",
        "type": "bidirectional",
        "description": "GPIO PC14 (default); alternate function OSC32IN."
      },
      {
        "number": "9",
        "name": "PC15-OSC32OUT",
        "type": "bidirectional",
        "description": "GPIO PC15 (default); alternate function OSC32OUT."
      },
      {
        "number": "10",
        "name": "VSS_5",
        "type": "power_in",
        "description": "Ground pin (default function VSS_5)."
      },
      {
        "number": "11",
        "name": "VDD_5",
        "type": "power_in",
        "description": "Power supply pin (default function VDD_5)."
      },
      {
        "number": "12",
        "name": "OSCIN",
        "type": "input",
        "description": "External oscillator input; default function OSCIN, remappable to PD0."
      },
      {
        "number": "13",
        "name": "OSCOUT",
        "type": "output",
        "description": "External oscillator output; default function OSCOUT, remappable to PD1."
      },
      {
        "number": "14",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Reset pin (default function NRST)."
      },
      {
        "number": "15",
        "name": "PC0",
        "type": "bidirectional",
        "description": "GPIO PC0 (default); alternate function ADC012_IN10."
      },
      {
        "number": "16",
        "name": "PC1",
        "type": "bidirectional",
        "description": "GPIO PC1 (default); alternate function ADC012_IN11."
      },
      {
        "number": "17",
        "name": "PC2",
        "type": "bidirectional",
        "description": "GPIO PC2 (default); alternate functions I2S1_ADD_SD (Alternate1) and ADC012_IN12 (Alternate2)."
      },
      {
        "number": "18",
        "name": "PC3",
        "type": "bidirectional",
        "description": "GPIO PC3 (default); alternate function ADC012_IN13."
      },
      {
        "number": "19",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground (default function VSSA)."
      },
      {
        "number": "20",
        "name": "VREF-",
        "type": "power_in",
        "description": "Reference voltage negative pin (default function VREF-)."
      },
      {
        "number": "21",
        "name": "VREF+",
        "type": "power_in",
        "description": "Reference voltage positive pin (default function VREF+)."
      },
      {
        "number": "22",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply pin (default function VDDA)."
      },
      {
        "number": "23",
        "name": "PA0-WKUP0",
        "type": "bidirectional",
        "description": "GPIO PA0 (default); alternate functions WKUP0, USART1_CTS, ADC012_IN0, TIMER1_CH0, TIMER1_ETI, TIMER4_CH0 and TIMER7_ETI."
      },
      {
        "number": "24",
        "name": "PA1",
        "type": "bidirectional",
        "description": "GPIO PA1 (default); alternate functions USART1_RTS, ADC012_IN1, TIMER4_CH1 and TIMER1_CH1."
      },
      {
        "number": "25",
        "name": "PA2",
        "type": "bidirectional",
        "description": "GPIO PA2 (default); alternate functions USART1_TX, TIMER4_CH2, ADC012_IN2, TIMER1_CH2, SPI0_IO2 and WKUP3; TIMER8_CH0 available on GD32E503xE only."
      },
      {
        "number": "26",
        "name": "PA3",
        "type": "bidirectional",
        "description": "GPIO PA3 (default); alternate functions USART1_RX, TIMER4_CH3, ADC012_IN3, TIMER1_CH3 and SPI0_IO3; TIMER8_CH1 available on GD32E503xE only."
      },
      {
        "number": "27",
        "name": "VSS_4",
        "type": "power_in",
        "description": "Ground pin (default function VSS_4)."
      },
      {
        "number": "28",
        "name": "VDD_4",
        "type": "power_in",
        "description": "Power supply pin (default function VDD_4)."
      },
      {
        "number": "29",
        "name": "PA4",
        "type": "bidirectional",
        "description": "GPIO PA4 (default); alternate functions SPI0_NSS, USART1_CK, DAC_OUT0 and ADC01_IN4; remap SPI2_NSS and I2S2_WS."
      },
      {
        "number": "30",
        "name": "PA5",
        "type": "bidirectional",
        "description": "GPIO PA5 (default); alternate functions SPI0_SCK, ADC01_IN5 and DAC_OUT1."
      },
      {
        "number": "31",
        "name": "PA6",
        "type": "bidirectional",
        "description": "GPIO PA6 (default); alternate functions SPI0_MISO, TIMER7_BRKIN, ADC01_IN6 and TIMER2_CH0; TIMER12_CH0 on GD32E503xE only; remap TIMER0_BRKIN."
      },
      {
        "number": "32",
        "name": "PA7",
        "type": "bidirectional",
        "description": "GPIO PA7 (default); alternate functions SPI0_MOSI, TIMER7_CH0_ON, ADC01_IN7 and TIMER2_CH1; TIMER13_CH0 on GD32E503xE only; remap TIMER0_CH0_ON."
      },
      {
        "number": "33",
        "name": "PC4",
        "type": "bidirectional",
        "description": "GPIO PC4 (default); alternate function ADC01_IN14."
      },
      {
        "number": "34",
        "name": "PC5",
        "type": "bidirectional",
        "description": "GPIO PC5 (default); alternate functions ADC01_IN15 and WKUP4."
      },
      {
        "number": "35",
        "name": "PB0",
        "type": "bidirectional",
        "description": "GPIO PB0 (default); alternate functions ADC01_IN8, TIMER2_CH2 and TIMER7_CH1_ON; remap TIMER0_CH1_ON."
      },
      {
        "number": "36",
        "name": "PB1",
        "type": "bidirectional",
        "description": "GPIO PB1 (default); alternate functions SHRTIMER_SCOUT (Alternate1), ADC01_IN9, TIMER2_CH3 and TIMER7_CH2_ON; remap TIMER0_CH2_ON."
      },
      {
        "number": "37",
        "name": "PB2",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default functions PB2 and BOOT1; alternate function SHRTIMER_SCIN (Alternate1)."
      },
      {
        "number": "38",
        "name": "PE7",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PE7, alternate function EXMC_D4; remap TIMER0_ETI."
      },
      {
        "number": "39",
        "name": "PE8",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PE8, alternate function EXMC_D5; remap TIMER0_CH0_ON."
      },
      {
        "number": "40",
        "name": "PE9",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PE9, alternate function EXMC_D6; remap TIMER0_CH0."
      },
      {
        "number": "41",
        "name": "PE10",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PE10, alternate function EXMC_D7; remap TIMER0_CH1_ON."
      },
      {
        "number": "42",
        "name": "PE11",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PE11, alternate function EXMC_D8; remap TIMER0_CH1."
      },
      {
        "number": "43",
        "name": "PE12",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PE12, alternate function EXMC_D9; remap TIMER0_CH2_ON."
      },
      {
        "number": "44",
        "name": "PE13",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PE13, alternate function EXMC_D10; remap TIMER0_CH2."
      },
      {
        "number": "45",
        "name": "PE14",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PE14, alternate function EXMC_D11; remap TIMER0_CH3."
      },
      {
        "number": "46",
        "name": "PE15",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PE15, alternate function EXMC_D12; remap TIMER0_BRKIN."
      },
      {
        "number": "47",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PB10, alternate functions SHRTIMER_FLT2 (Alternate1), I2C1_SCL and USART2_TX (Alternate2); remap TIMER1_CH2."
      },
      {
        "number": "48",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PB11, alternate functions SHRTIMER_FLT3 (Alternate1), I2C1_SDA and USART2_RX (Alternate2); remap TIMER1_CH3."
      },
      {
        "number": "49",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Ground pin (default function VSS_1)."
      },
      {
        "number": "50",
        "name": "VDD_1",
        "type": "power_in",
        "description": "Power supply pin (default function VDD_1)."
      },
      {
        "number": "51",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PB12, alternate functions SHRTIMER_ST2CH0 (Alternate1), SPI1_NSS, I2S1_WS, I2C1_SMBA, USART2_CK, TIMER0_BRKIN and CAN1_RX (Alternate2)."
      },
      {
        "number": "52",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PB13, alternate functions SHRTIMER_ST2CH1 (Alternate1), SPI1_SCK, I2S1_CK, USART2_CTS, TIMER0_CH0_ON, CAN1_TX and I2C1_TXFRAME (Alternate2)."
      },
      {
        "number": "53",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PB14, alternate functions SHRTIMER_ST3CH0 and I2S1_ADD_SD (Alternate1), SPI1_MISO, USART2_RTS, TIMER0_CH1_ON and TIMER11_CH0 (Alternate2; TIMER11_CH0 on GD32E503xE only)."
      },
      {
        "number": "54",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PB15, alternate functions SHRTIMER_ST3CH1 (Alternate1), SPI1_MOSI, TIMER0_CH2_ON, I2S1_SD, WKUP6 and TIMER11_CH1 (Alternate2; GD32E503xE only)."
      },
      {
        "number": "55",
        "name": "PD8",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PD8, alternate function EXMC_D13; remap USART2_TX."
      },
      {
        "number": "56",
        "name": "PD9",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PD9, alternate function EXMC_D14; remap USART2_RX."
      },
      {
        "number": "57",
        "name": "PD10",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PD10, alternate function EXMC_D15; remap USART2_CK."
      },
      {
        "number": "58",
        "name": "PD11",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PD11, alternate function EXMC_A16; remap USART2_CTS."
      },
      {
        "number": "59",
        "name": "PD12",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PD12, alternate function EXMC_A17; remap TIMER3_CH0 and USART2_RTS."
      },
      {
        "number": "60",
        "name": "PD13",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PD13, alternate function EXMC_A18; remap TIMER3_CH1."
      },
      {
        "number": "61",
        "name": "PD14",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PD14, alternate function EXMC_D0; remap TIMER3_CH2."
      },
      {
        "number": "62",
        "name": "PD15",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PD15, alternate function EXMC_D1; remap TIMER3_CH3 and CTC_SYNC."
      },
      {
        "number": "63",
        "name": "PC6",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PC6, alternate functions SHRTIMER_EXEV9 and USART5_TX (Alternate1), I2S1_MCK, TIMER7_CH0 and SDIO_D6 (Alternate2); remap TIMER2_CH0."
      },
      {
        "number": "64",
        "name": "PC7",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PC7, alternate functions SHRTIMER_FLT4 and USART5_RX (Alternate1), I2S2_MCK, TIMER7_CH1 and SDIO_D7 (Alternate2); remap TIMER2_CH1."
      },
      {
        "number": "65",
        "name": "PC8",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PC8, alternate functions SHRTIMER_ST4CH0 and USART5_CK (Alternate1), TIMER7_CH2 and SDIO_D0 (Alternate2); remap TIMER2_CH2."
      },
      {
        "number": "66",
        "name": "PC9",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PC9, alternate functions SHRTIMER_ST4CH1 and I2C2_SDA (Alternate1), TIMER7_CH3 and SDIO_D1 (Alternate2); remap TIMER2_CH3."
      },
      {
        "number": "67",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PA8, alternate functions SHRTIMER_ST0CH0 and I2C2_SCL (Alternate1), USART0_CK, TIMER0_CH0, CK_OUT and CTC_SYNC (Alternate2)."
      },
      {
        "number": "68",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PA9, alternate functions SHRTIMER_ST0CH1 and I2C2_SMBA (Alternate1), USART0_TX and TIMER0_CH1 (Alternate2)."
      },
      {
        "number": "69",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PA10, alternate functions SHRTIMER_ST1CH0 (Alternate1), USART0_RX and TIMER0_CH2 (Alternate2)."
      },
      {
        "number": "70",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PA11, alternate functions SHRTIMER_ST1CH1 and USART5_TX (Alternate1), USART0_CTS, CAN0_RX, USBDM and TIMER0_CH3 (Alternate2)."
      },
      {
        "number": "71",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PA12, alternate functions SHRTIMER_FLT0 and USART5_RX (Alternate1), USART0_RTS, CAN0_TX, USBDP and TIMER0_ETI (Alternate2)."
      },
      {
        "number": "72",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default functions JTMS and SWDIO; remap PA13."
      },
      {
        "number": "73",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected (NC) pin, marked '-' in the pin table."
      },
      {
        "number": "74",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Ground pin (default function VSS_2)."
      },
      {
        "number": "75",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Power supply pin (default function VDD_2)."
      },
      {
        "number": "76",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default functions JTCK and SWCLK; remap PA14."
      },
      {
        "number": "77",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function JTDI, alternate functions SHRTIMER_FLT1 (Alternate1), SPI2_NSS and I2S2_WS (Alternate2); remap TIMER1_CH0, TIMER1_ETI, PA15 and SPI0_NSS."
      },
      {
        "number": "78",
        "name": "PC10",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PC10, alternate function I2C2_SCL (Alternate1), UART3_TX and SDIO_D2 (Alternate2); remap USART2_TX, SPI2_SCK and I2S2_CK."
      },
      {
        "number": "79",
        "name": "PC11",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PC11, alternate functions SHRTIMER_EXEV1 and I2S2_ADD_SD (Alternate1), UART3_RX and SDIO_D3 (Alternate2); remap USART2_RX and SPI2_MISO."
      },
      {
        "number": "80",
        "name": "PC12",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PC12, alternate function SHRTIMER_EXEV0 (Alternate1), UART4_TX and SDIO_CK (Alternate2); remap USART2_CK, SPI2_MOSI and I2S2_SD."
      },
      {
        "number": "81",
        "name": "PD0",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PD0, alternate function EXMC_D2; remap OSCIN and CAN0_RX."
      },
      {
        "number": "82",
        "name": "PD1",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PD1, alternate function EXMC_D3; remap OSCOUT and CAN0_TX."
      },
      {
        "number": "83",
        "name": "PD2",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PD2, alternate functions TIMER2_ETI, UART4_RX and SDIO_CMD."
      },
      {
        "number": "84",
        "name": "PD3",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PD3, alternate function EXMC_CLK; remap USART1_CTS."
      },
      {
        "number": "85",
        "name": "PD4",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PD4, alternate functions SHRTIMER_FLT2 (Alternate1) and EXMC_NOE (Alternate2); remap USART1_RTS."
      },
      {
        "number": "86",
        "name": "PD5",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PD5, alternate functions SHRTIMER_EXEV2 (Alternate1) and EXMC_NWE (Alternate2); remap USART1_TX."
      },
      {
        "number": "87",
        "name": "PD6",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PD6, alternate function EXMC_NWAIT; remap USART1_RX."
      },
      {
        "number": "88",
        "name": "PD7",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PD7, alternate functions EXMC_NE0 and EXMC_NCE1; remap USART1_CK."
      },
      {
        "number": "89",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function JTDO, alternate functions SHRTIMER_SCOUT and SHRTIMER_EXEV8 (Alternate1), SPI2_SCK and I2S2_CK (Alternate2); remap TIMER1_CH1, PB3, TRACESWO and SPI0_SCK."
      },
      {
        "number": "90",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function NJTRST, alternate functions SHRTIMER_EXEV6, I2C2_SDA and I2S2_ADD_SD (Alternate1), SPI2_MISO and I2C0_TXFRAME (Alternate2); remap TIMER2_CH0, PB4 and SPI0_MISO."
      },
      {
        "number": "91",
        "name": "PB5",
        "type": "bidirectional",
        "description": "GPIO PB5 (default); alternate functions SHRTIMER_EXEV5 and I2C2_SCL (Alternate1), I2C0_SMBA, SPI2_MOSI, I2S2_SD and WKUP5 (Alternate2); remap TIMER2_CH1, SPI0_MOSI and CAN1_RX."
      },
      {
        "number": "92",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PB6, alternate functions SHRTIMER_SCIN and SHRTIMER_EXEV3 (Alternate1), I2C0_SCL and TIMER3_CH0 (Alternate2); remap USART0_TX, CAN1_TX and SPI0_IO2."
      },
      {
        "number": "93",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PB7, alternate functions SHRTIMER_EXEV2 (Alternate1), I2C0_SDA, TIMER3_CH1 and EXMC_NADV (Alternate2); remap USART0_RX and SPI0_IO3."
      },
      {
        "number": "94",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot mode selection input (default function BOOT0)."
      },
      {
        "number": "95",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PB8, alternate functions SHRTIMER_EXEV7 and I2C2_SDA (Alternate1), TIMER3_CH2, SDIO_D4 and TIMER9_CH0 (Alternate2; TIMER9_CH0 on GD32E503xE only); remap I2C0_SCL and CAN0_RX."
      },
      {
        "number": "96",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PB9, alternate function SHRTIMER_EXEV4 (Alternate1), TIMER3_CH3, SDIO_D5 and TIMER10_CH0 (Alternate2; TIMER10_CH0 on GD32E503xE only); remap I2C0_SDA and CAN0_TX."
      },
      {
        "number": "97",
        "name": "PE0",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PE0, alternate function SHRTIMER_SCIN (Alternate1), TIMER3_ETI and EXMC_NBL0 (Alternate2)."
      },
      {
        "number": "98",
        "name": "PE1",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO; default function PE1, alternate function SHRTIMER_SCOUT (Alternate1) and EXMC_NBL1 (Alternate2)."
      },
      {
        "number": "99",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Ground pin (default function VSS_3)."
      },
      {
        "number": "100",
        "name": "VDD_3",
        "type": "power_in",
        "description": "Power 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: Table 2-4 gives no I/O level (5VT) for these pins, so they are not marked 5 V tolerant here; confirm; Table 2-4 pin-type column for PB5 (pin 91) has no level entry, and the pin type is listed as I/O onl; Functions marked (4) in the datasheet (TIMER8, TIMER9, TIMER10, TIMER11, TIMER12, TIMER13) are avail"
        ],
        "pages_sent": 43,
        "cost_usd": 0.2505,
        "at": "2026-10-18T05:25:36"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589040420764454912",
        "pages": 98,
        "sha256": "bc8083c4c13a41c1",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 100,
        "described": 100,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "gd32e503vet6.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          16.0,
          16.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "51720097260ffba41c3062f85f67623721102fa535901c47cb555a1f444feeb3",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "gd32e503vet6-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          16.0,
          16.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "a9dd03ef8e130266849b7b7d4a1a3b533263ef4d8fe4134b4ef8920f79fe02a4",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}