GD32F303ZGT6

{
  "slug": "gd32f303zgt6",
  "version": "0.1.0",
  "type": "component",
  "description": "GigaDevice Semicon Beijing Microcontrollers (MCU/MPU/SOC), LQFP-144(20x20). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "gd32f303zgt6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
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  "files": [
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  "component": {
    "mpn": "GD32F303ZGT6",
    "manufacturer": "GigaDevice Semicon Beijing",
    "package": "LQFP-144(20x20)",
    "pin_count": 144,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590208457958715392",
    "parts": {
      "symbol": "gd32f303zgt6.kicad_sym",
      "footprint": "gd32f303zgt6.kicad_mod",
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      "model_3d_step_plain": "gd32f303zgt6.step",
      "lbr": "gd32f303zgt6.lbr"
    },
    "distributor_links": {
      "lcsc": "C2928649"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T09:21:32Z",
      "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": "Default PE2; alternate functions TRACECK and EXMC_A23; 5 V tolerant."
      },
      {
        "number": "2",
        "name": "PE3",
        "type": "bidirectional",
        "description": "Default PE3; alternate functions TRACECK0 and EXMC_A19; 5 V tolerant."
      },
      {
        "number": "3",
        "name": "PE4",
        "type": "bidirectional",
        "description": "Default PE4; alternate functions TRACECK1 and EXMC_A20; 5 V tolerant."
      },
      {
        "number": "4",
        "name": "PE5",
        "type": "bidirectional",
        "description": "Default PE5; alternate functions TRACECK2 and EXMC_A21; remap TIMER8_CH0 (footnote 3); 5 V tolerant."
      },
      {
        "number": "5",
        "name": "PE6",
        "type": "bidirectional",
        "description": "Default PE6; alternate functions TRACECK3 and EXMC_A22; remap TIMER8_CH1 (footnote 3); 5 V tolerant."
      },
      {
        "number": "6",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup power supply pin VBAT (default function VBAT) as listed in the pin definition table."
      },
      {
        "number": "7",
        "name": "PC13-TAMPER-RTC",
        "type": "bidirectional",
        "description": "Default PC13; alternate function TAMPER-RTC."
      },
      {
        "number": "8",
        "name": "PC14-OSC32IN",
        "type": "bidirectional",
        "description": "Default PC14; alternate function OSC32IN (low-speed oscillator input)."
      },
      {
        "number": "9",
        "name": "PC15-OSC32OUT",
        "type": "bidirectional",
        "description": "Default PC15; alternate function OSC32OUT (low-speed oscillator output)."
      },
      {
        "number": "10",
        "name": "PF0",
        "type": "bidirectional",
        "description": "Default PF0; alternate function EXMC_A0; remap CTC_SYNC; 5 V tolerant."
      },
      {
        "number": "11",
        "name": "PF1",
        "type": "bidirectional",
        "description": "Default PF1; alternate function EXMC_A1; 5 V tolerant."
      },
      {
        "number": "12",
        "name": "PF2",
        "type": "bidirectional",
        "description": "Default PF2; alternate function EXMC_A2; 5 V tolerant."
      },
      {
        "number": "13",
        "name": "PF3",
        "type": "bidirectional",
        "description": "Default PF3; alternate function EXMC_A3; 5 V tolerant."
      },
      {
        "number": "14",
        "name": "PF4",
        "type": "bidirectional",
        "description": "Default PF4; alternate function EXMC_A4; 5 V tolerant."
      },
      {
        "number": "15",
        "name": "PF5",
        "type": "bidirectional",
        "description": "Default PF5; alternate function EXMC_A5; 5 V tolerant."
      },
      {
        "number": "16",
        "name": "VSS_5",
        "type": "power_in",
        "description": "Ground pin VSS_5 as listed in the pin definition table."
      },
      {
        "number": "17",
        "name": "VDD_5",
        "type": "power_in",
        "description": "Supply pin VDD_5 as listed in the pin definition table."
      },
      {
        "number": "18",
        "name": "PF6",
        "type": "bidirectional",
        "description": "Default PF6; alternate functions ADC2_IN4 and EXMC_NIORD; remap TIMER9_CH0 (footnote 3)."
      },
      {
        "number": "19",
        "name": "PF7",
        "type": "bidirectional",
        "description": "Default PF7; alternate functions ADC2_IN5 and EXMC_NREG; remap TIMER10_CH0 (footnote 3)."
      },
      {
        "number": "20",
        "name": "PF8",
        "type": "bidirectional",
        "description": "Default PF8; alternate functions ADC2_IN6 and EXMC_NIOWR; remap TIMER12_CH0 (footnote 3)."
      },
      {
        "number": "21",
        "name": "PF9",
        "type": "bidirectional",
        "description": "Default PF9; alternate functions ADC2_IN7 and EXMC_CD; remap TIMER13_CH0 (footnote 3)."
      },
      {
        "number": "22",
        "name": "PF10",
        "type": "bidirectional",
        "description": "Default PF10; alternate functions ADC2_IN8 and EXMC_INTR."
      },
      {
        "number": "23",
        "name": "OSCIN",
        "type": "input",
        "description": "Default OSCIN (high-speed oscillator input); remap PD0."
      },
      {
        "number": "24",
        "name": "OSCOUT",
        "type": "output",
        "description": "Default OSCOUT (high-speed oscillator output); remap PD1."
      },
      {
        "number": "25",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Reset pin NRST as listed in the pin definition table (printed as I/O)."
      },
      {
        "number": "26",
        "name": "PC0",
        "type": "bidirectional",
        "description": "Default PC0; alternate function ADC012_IN10."
      },
      {
        "number": "27",
        "name": "PC1",
        "type": "bidirectional",
        "description": "Default PC1; alternate function ADC012_IN11."
      },
      {
        "number": "28",
        "name": "PC2",
        "type": "bidirectional",
        "description": "Default PC2; alternate function ADC012_IN12."
      },
      {
        "number": "29",
        "name": "PC3",
        "type": "bidirectional",
        "description": "Default PC3; alternate function ADC012_IN13."
      },
      {
        "number": "30",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground pin VSSA as listed in the pin definition table."
      },
      {
        "number": "31",
        "name": "VREF-",
        "type": "power_in",
        "description": "Reference voltage pin VREF- as listed in the pin definition table."
      },
      {
        "number": "32",
        "name": "VREF+",
        "type": "power_in",
        "description": "Reference voltage pin VREF+ as listed in the pin definition table."
      },
      {
        "number": "33",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply pin VDDA as listed in the pin definition table."
      },
      {
        "number": "34",
        "name": "PA0-WKUP",
        "type": "bidirectional",
        "description": "Default PA0; alternate functions WKUP, USART1_CTS, ADC012_IN0, TIMER1_CH0, TIMER1_ETI, TIMER4_CH0 and TIMER7_ETI."
      },
      {
        "number": "35",
        "name": "PA1",
        "type": "bidirectional",
        "description": "Default PA1; alternate functions USART1_RTS, ADC012_IN1, TIMER1_CH1 and TIMER4_CH1."
      },
      {
        "number": "36",
        "name": "PA2",
        "type": "bidirectional",
        "description": "Default PA2; alternate functions USART1_TX, ADC012_IN2, TIMER1_CH2, TIMER4_CH2, TIMER8_CH0 (footnote 3) and SPI0_IO2."
      },
      {
        "number": "37",
        "name": "PA3",
        "type": "bidirectional",
        "description": "Default PA3; alternate functions USART1_RX, ADC012_IN3, TIMER1_CH3, TIMER4_CH3, TIMER8_CH1 (footnote 3) and SPI0_IO3."
      },
      {
        "number": "38",
        "name": "VSS_4",
        "type": "power_in",
        "description": "Ground pin VSS_4 as listed in the pin definition table."
      },
      {
        "number": "39",
        "name": "VDD_4",
        "type": "power_in",
        "description": "Supply pin VDD_4 as listed in the pin definition table."
      },
      {
        "number": "40",
        "name": "PA4",
        "type": "bidirectional",
        "description": "Default PA4; alternate functions SPI0_NSS, USART1_CK, ADC01_IN4 and DAC_OUT0; remap SPI2_NSS and I2S2_WS."
      },
      {
        "number": "41",
        "name": "PA5",
        "type": "bidirectional",
        "description": "Default PA5; alternate functions SPI0_SCK, ADC01_IN5 and DAC_OUT1."
      },
      {
        "number": "42",
        "name": "PA6",
        "type": "bidirectional",
        "description": "Default PA6; alternate functions SPI0_MISO, ADC01_IN6, TIMER2_CH0, TIMER7_BKIN and TIMER12_CH0 (footnote 3); remap TIMER0_BKIN."
      },
      {
        "number": "43",
        "name": "PA7",
        "type": "bidirectional",
        "description": "Default PA7; alternate functions SPI0_MOSI, ADC01_IN7, TIMER2_CH1, TIMER7_CH0_ON and TIMER13_CH0 (footnote 3); remap TIMER0_CH0_ON."
      },
      {
        "number": "44",
        "name": "PC4",
        "type": "bidirectional",
        "description": "Default PC4; alternate function ADC01_IN14."
      },
      {
        "number": "45",
        "name": "PC5",
        "type": "bidirectional",
        "description": "Default PC5; alternate function ADC01_IN15."
      },
      {
        "number": "46",
        "name": "PB0",
        "type": "bidirectional",
        "description": "Default PB0; alternate functions ADC01_IN8, TIMER2_CH2 and TIMER7_CH1_ON; remap TIMER0_CH1_ON."
      },
      {
        "number": "47",
        "name": "PB1",
        "type": "bidirectional",
        "description": "Default PB1; alternate functions ADC01_IN9, TIMER2_CH3 and TIMER7_CH2_ON; remap TIMER0_CH2_ON."
      },
      {
        "number": "48",
        "name": "PB2",
        "type": "bidirectional",
        "description": "Default PB2 with BOOT1 function; 5 V tolerant."
      },
      {
        "number": "49",
        "name": "PF11",
        "type": "bidirectional",
        "description": "Default PF11; alternate function EXMC_NIOS16; 5 V tolerant."
      },
      {
        "number": "50",
        "name": "PF12",
        "type": "bidirectional",
        "description": "Default PF12; alternate function EXMC_A6; 5 V tolerant."
      },
      {
        "number": "51",
        "name": "VSS_6",
        "type": "power_in",
        "description": "Ground pin VSS_6 as listed in the pin definition table."
      },
      {
        "number": "52",
        "name": "VDD_6",
        "type": "power_in",
        "description": "Supply pin VDD_6 as listed in the pin definition table."
      },
      {
        "number": "53",
        "name": "PF13",
        "type": "bidirectional",
        "description": "Default PF13; alternate function EXMC_A7; 5 V tolerant."
      },
      {
        "number": "54",
        "name": "PF14",
        "type": "bidirectional",
        "description": "Default PF14; alternate function EXMC_A8; 5 V tolerant."
      },
      {
        "number": "55",
        "name": "PF15",
        "type": "bidirectional",
        "description": "Default PF15; alternate function EXMC_A9; 5 V tolerant."
      },
      {
        "number": "56",
        "name": "PG0",
        "type": "bidirectional",
        "description": "Default PG0; alternate function EXMC_A10; 5 V tolerant."
      },
      {
        "number": "57",
        "name": "PG1",
        "type": "bidirectional",
        "description": "Default PG1; alternate function EXMC_A11; 5 V tolerant."
      },
      {
        "number": "58",
        "name": "PE7",
        "type": "bidirectional",
        "description": "Default PE7; alternate function EXMC_D4; remap TIMER0_ETI; 5 V tolerant."
      },
      {
        "number": "59",
        "name": "PE8",
        "type": "bidirectional",
        "description": "Default PE8; alternate function EXMC_D5; remap TIMER0_CH0_ON; 5 V tolerant."
      },
      {
        "number": "60",
        "name": "PE9",
        "type": "bidirectional",
        "description": "Default PE9; alternate function EXMC_D6; remap TIMER0_CH0; 5 V tolerant."
      },
      {
        "number": "61",
        "name": "VSS_7",
        "type": "power_in",
        "description": "Ground pin VSS_7 as listed in the pin definition table."
      },
      {
        "number": "62",
        "name": "VDD_7",
        "type": "power_in",
        "description": "Supply pin VDD_7 as listed in the pin definition table."
      },
      {
        "number": "63",
        "name": "PE10",
        "type": "bidirectional",
        "description": "Default PE10; alternate function EXMC_D7; remap TIMER0_CH1_ON; 5 V tolerant."
      },
      {
        "number": "64",
        "name": "PE11",
        "type": "bidirectional",
        "description": "Default PE11; alternate function EXMC_D8; remap TIMER0_CH1; 5 V tolerant."
      },
      {
        "number": "65",
        "name": "PE12",
        "type": "bidirectional",
        "description": "Default PE12; alternate function EXMC_D9; remap TIMER0_CH2_ON; 5 V tolerant."
      },
      {
        "number": "66",
        "name": "PE13",
        "type": "bidirectional",
        "description": "Default PE13; alternate function EXMC_D10; remap TIMER0_CH2; 5 V tolerant."
      },
      {
        "number": "67",
        "name": "PE14",
        "type": "bidirectional",
        "description": "Default PE14; alternate function EXMC_D11; remap TIMER0_CH3; 5 V tolerant."
      },
      {
        "number": "68",
        "name": "PE15",
        "type": "bidirectional",
        "description": "Default PE15; alternate function EXMC_D12; remap TIMER0_BKIN; 5 V tolerant."
      },
      {
        "number": "69",
        "name": "PB10",
        "type": "bidirectional",
        "description": "Default PB10; alternate functions I2C1_SCL and USART2_TX; remap TIMER1_CH2; 5 V tolerant."
      },
      {
        "number": "70",
        "name": "PB11",
        "type": "bidirectional",
        "description": "Default PB11; alternate functions I2C1_SDA and USART2_RX; remap TIMER1_CH3; 5 V tolerant."
      },
      {
        "number": "71",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Ground pin VSS_1 as listed in the pin definition table."
      },
      {
        "number": "72",
        "name": "VDD_1",
        "type": "power_in",
        "description": "Supply pin VDD_1 as listed in the pin definition table."
      },
      {
        "number": "73",
        "name": "PB12",
        "type": "bidirectional",
        "description": "Default PB12; alternate functions SPI1_NSS, I2C1_SMBA, USART2_CK, TIMER0_BKIN and I2S1_WS; 5 V tolerant."
      },
      {
        "number": "74",
        "name": "PB13",
        "type": "bidirectional",
        "description": "Default PB13; alternate functions SPI1_SCK, USART2_CTS, TIMER0_CH0_ON and I2S1_CK; 5 V tolerant."
      },
      {
        "number": "75",
        "name": "PB14",
        "type": "bidirectional",
        "description": "Default PB14; alternate functions SPI1_MISO, USART2_RTS, TIMER0_CH1_ON and TIMER11_CH0 (footnote 3); 5 V tolerant."
      },
      {
        "number": "76",
        "name": "PB15",
        "type": "bidirectional",
        "description": "Default PB15; alternate functions SPI1_MOSI, TIMER0_CH2_ON, I2S1_SD and TIMER11_CH1 (footnote 3); 5 V tolerant."
      },
      {
        "number": "77",
        "name": "PD8",
        "type": "bidirectional",
        "description": "Default PD8; alternate function EXMC_D13; remap USART2_TX; 5 V tolerant."
      },
      {
        "number": "78",
        "name": "PD9",
        "type": "bidirectional",
        "description": "Default PD9; alternate function EXMC_D14; remap USART2_RX; 5 V tolerant."
      },
      {
        "number": "79",
        "name": "PD10",
        "type": "bidirectional",
        "description": "Default PD10; alternate function EXMC_D15; remap USART2_CK; 5 V tolerant."
      },
      {
        "number": "80",
        "name": "PD11",
        "type": "bidirectional",
        "description": "Default PD11; alternate function EXMC_A16; remap USART2_CTS; 5 V tolerant."
      },
      {
        "number": "81",
        "name": "PD12",
        "type": "bidirectional",
        "description": "Default PD12; alternate function EXMC_A17; remap TIMER3_CH0 and USART2_RTS; 5 V tolerant."
      },
      {
        "number": "82",
        "name": "PD13",
        "type": "bidirectional",
        "description": "Default PD13; alternate function EXMC_A18; remap TIMER3_CH1; 5 V tolerant."
      },
      {
        "number": "83",
        "name": "VSS_8",
        "type": "power_in",
        "description": "Ground pin VSS_8 as listed in the pin definition table."
      },
      {
        "number": "84",
        "name": "VDD_8",
        "type": "power_in",
        "description": "Supply pin VDD_8 as listed in the pin definition table."
      },
      {
        "number": "85",
        "name": "PD14",
        "type": "bidirectional",
        "description": "Default PD14; alternate function EXMC_D0; remap TIMER3_CH2; 5 V tolerant."
      },
      {
        "number": "86",
        "name": "PD15",
        "type": "bidirectional",
        "description": "Default PD15; alternate function EXMC_D1; remap TIMER3_CH3 and CTC_SYNC; 5 V tolerant."
      },
      {
        "number": "87",
        "name": "PG2",
        "type": "bidirectional",
        "description": "Default PG2; alternate function EXMC_A12; 5 V tolerant."
      },
      {
        "number": "88",
        "name": "PG3",
        "type": "bidirectional",
        "description": "Default PG3; alternate function EXMC_A13; 5 V tolerant."
      },
      {
        "number": "89",
        "name": "PG4",
        "type": "bidirectional",
        "description": "Default PG4; alternate function EXMC_A14; 5 V tolerant."
      },
      {
        "number": "90",
        "name": "PG5",
        "type": "bidirectional",
        "description": "Default PG5; alternate function EXMC_A15; 5 V tolerant."
      },
      {
        "number": "91",
        "name": "PG6",
        "type": "bidirectional",
        "description": "Default PG6; alternate function EXMC_INT1; 5 V tolerant."
      },
      {
        "number": "92",
        "name": "PG7",
        "type": "bidirectional",
        "description": "Default PG7; alternate function EXMC_INT2; 5 V tolerant."
      },
      {
        "number": "93",
        "name": "PG8",
        "type": "bidirectional",
        "description": "Default PG8; 5 V tolerant."
      },
      {
        "number": "94",
        "name": "VSS_9",
        "type": "power_in",
        "description": "Ground pin VSS_9 as listed in the pin definition table."
      },
      {
        "number": "95",
        "name": "VDD_9",
        "type": "power_in",
        "description": "Supply pin VDD_9 as listed in the pin definition table."
      },
      {
        "number": "96",
        "name": "PC6",
        "type": "bidirectional",
        "description": "Default PC6; alternate functions I2S1_MCK, TIMER7_CH0 and SDIO_D6; remap TIMER2_CH0; 5 V tolerant."
      },
      {
        "number": "97",
        "name": "PC7",
        "type": "bidirectional",
        "description": "Default PC7; alternate functions I2S2_MCK, TIMER7_CH1 and SDIO_D7; remap TIMER2_CH1; 5 V tolerant."
      },
      {
        "number": "98",
        "name": "PC8",
        "type": "bidirectional",
        "description": "Default PC8; alternate functions TIMER7_CH2 and SDIO_D0; remap TIMER2_CH2; 5 V tolerant."
      },
      {
        "number": "99",
        "name": "PC9",
        "type": "bidirectional",
        "description": "Default PC9; alternate functions TIMER7_CH3 and SDIO_D1; remap TIMER2_CH3; 5 V tolerant."
      },
      {
        "number": "100",
        "name": "PA8",
        "type": "bidirectional",
        "description": "Default PA8; alternate functions USART0_CK, TIMER0_CH0, CK_OUT0, VCORE and CTC_SYNC; 5 V tolerant."
      },
      {
        "number": "101",
        "name": "PA9",
        "type": "bidirectional",
        "description": "Default PA9; alternate functions USART0_TX and TIMER0_CH1; 5 V tolerant."
      },
      {
        "number": "102",
        "name": "PA10",
        "type": "bidirectional",
        "description": "Default PA10; alternate functions USART0_RX and TIMER0_CH2; 5 V tolerant."
      },
      {
        "number": "103",
        "name": "PA11",
        "type": "bidirectional",
        "description": "Default PA11; alternate functions USART0_CTS, CAN0_RX, USBDM and TIMER0_CH3; 5 V tolerant."
      },
      {
        "number": "104",
        "name": "PA12",
        "type": "bidirectional",
        "description": "Default PA12; alternate functions USART0_RTS, CAN0_TX, TIMER0_ETI and USBDP; 5 V tolerant."
      },
      {
        "number": "105",
        "name": "PA13",
        "type": "bidirectional",
        "description": "Default JTMS/SWDIO; remap PA13; 5 V tolerant."
      },
      {
        "number": "106",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected (NC) as printed in the pin definition table."
      },
      {
        "number": "107",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Ground pin VSS_2 as listed in the pin definition table."
      },
      {
        "number": "108",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Supply pin VDD_2 as listed in the pin definition table."
      },
      {
        "number": "109",
        "name": "PA14",
        "type": "bidirectional",
        "description": "Default JTCK/SWCLK; remap PA14; 5 V tolerant."
      },
      {
        "number": "110",
        "name": "PA15",
        "type": "bidirectional",
        "description": "Default JTDI; alternate functions SPI2_NSS and I2S2_WS; remap TIMER1_CH0, TIMER1_ETI, PA15 and SPI0_NSS; 5 V tolerant."
      },
      {
        "number": "111",
        "name": "PC10",
        "type": "bidirectional",
        "description": "Default PC10; alternate functions UART3_TX and SDIO_D2; remap USART2_TX, SPI2_SCK and I2S2_CK; 5 V tolerant."
      },
      {
        "number": "112",
        "name": "PC11",
        "type": "bidirectional",
        "description": "Default PC11; alternate functions UART3_RX and SDIO_D3; remap USART2_RX and SPI2_MISO; 5 V tolerant."
      },
      {
        "number": "113",
        "name": "PC12",
        "type": "bidirectional",
        "description": "Default PC12; alternate functions UART4_TX and SDIO_CK; remap USART2_CK, SPI2_MOSI and I2S2_SD; 5 V tolerant."
      },
      {
        "number": "114",
        "name": "PD0",
        "type": "bidirectional",
        "description": "Default PD0; alternate function EXMC_D2; remap CAN0_RX and OSCIN; 5 V tolerant."
      },
      {
        "number": "115",
        "name": "PD1",
        "type": "bidirectional",
        "description": "Default PD1; alternate function EXMC_D3; remap CAN0_TX and OSCOUT; 5 V tolerant."
      },
      {
        "number": "116",
        "name": "PD2",
        "type": "bidirectional",
        "description": "Default PD2; alternate functions TIMER2_ETI, SDIO_CMD and UART4_RX; 5 V tolerant."
      },
      {
        "number": "117",
        "name": "PD3",
        "type": "bidirectional",
        "description": "Default PD3; alternate function EXMC_CLK; remap USART1_CTS; 5 V tolerant."
      },
      {
        "number": "118",
        "name": "PD4",
        "type": "bidirectional",
        "description": "Default PD4; alternate function EXMC_NOE; remap USART1_RTS; 5 V tolerant."
      },
      {
        "number": "119",
        "name": "PD5",
        "type": "bidirectional",
        "description": "Default PD5; alternate function EXMC_NWE; remap USART1_TX; 5 V tolerant."
      },
      {
        "number": "120",
        "name": "VSS_10",
        "type": "power_in",
        "description": "Ground pin VSS_10 as listed in the pin definition table."
      },
      {
        "number": "121",
        "name": "VDD_10",
        "type": "power_in",
        "description": "Supply pin VDD_10 as listed in the pin definition table."
      },
      {
        "number": "122",
        "name": "PD6",
        "type": "bidirectional",
        "description": "Default PD6; alternate function EXMC_NWAIT; remap USART1_RX; 5 V tolerant."
      },
      {
        "number": "123",
        "name": "PD7",
        "type": "bidirectional",
        "description": "Default PD7; alternate functions EXMC_NE0 and EXMC_NCE1; remap USART1_CK; 5 V tolerant."
      },
      {
        "number": "124",
        "name": "PG9",
        "type": "bidirectional",
        "description": "Default PG9; alternate functions EXMC_NE1 and EXMC_NCE2; 5 V tolerant."
      },
      {
        "number": "125",
        "name": "PG10",
        "type": "bidirectional",
        "description": "Default PG10; alternate functions EXMC_NCE3_0 and EXMC_NE2; 5 V tolerant."
      },
      {
        "number": "126",
        "name": "PG11",
        "type": "bidirectional",
        "description": "Default PG11; alternate function EXMC_NCE3_1; 5 V tolerant."
      },
      {
        "number": "127",
        "name": "PG12",
        "type": "bidirectional",
        "description": "Default PG12; alternate function EXMC_NE3; 5 V tolerant."
      },
      {
        "number": "128",
        "name": "PG13",
        "type": "bidirectional",
        "description": "Default PG13; alternate function EXMC_A24; 5 V tolerant."
      },
      {
        "number": "129",
        "name": "PG14",
        "type": "bidirectional",
        "description": "Default PG14; alternate function EXMC_A25; 5 V tolerant."
      },
      {
        "number": "130",
        "name": "VSS_11",
        "type": "power_in",
        "description": "Ground pin VSS_11 as listed in the pin definition table."
      },
      {
        "number": "131",
        "name": "VDD_11",
        "type": "power_in",
        "description": "Supply pin VDD_11 as listed in the pin definition table."
      },
      {
        "number": "132",
        "name": "PG15",
        "type": "bidirectional",
        "description": "Default PG15; 5 V tolerant."
      },
      {
        "number": "133",
        "name": "PB3",
        "type": "bidirectional",
        "description": "Default JTDO; alternate functions SPI2_SCK and I2S2_CK; remap PB3, TRACESWO, TIMER1_CH1 and SPI0_SCK; 5 V tolerant."
      },
      {
        "number": "134",
        "name": "PB4",
        "type": "bidirectional",
        "description": "Default NJTRST; alternate function SPI2_MISO; remap TIMER2_CH0, PB4 and SPI0_MISO; 5 V tolerant."
      },
      {
        "number": "135",
        "name": "PB5",
        "type": "bidirectional",
        "description": "Default PB5; alternate functions I2C0_SMBA, SPI2_MOSI and I2S2_SD; remap TIMER2_CH1 and SPI0_MOSI."
      },
      {
        "number": "136",
        "name": "PB6",
        "type": "bidirectional",
        "description": "Default PB6; alternate functions I2C0_SCL and TIMER3_CH0; remap USART0_TX and SPI0_IO2; 5 V tolerant."
      },
      {
        "number": "137",
        "name": "PB7",
        "type": "bidirectional",
        "description": "Default PB7; alternate functions I2C0_SDA, TIMER3_CH1 and EXMC_NADV; remap USART0_RX and SPI0_IO3; 5 V tolerant."
      },
      {
        "number": "138",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot mode selection input BOOT0 as listed in the pin definition table."
      },
      {
        "number": "139",
        "name": "PB8",
        "type": "bidirectional",
        "description": "Default PB8; alternate functions TIMER3_CH2, SDIO_D4 and TIMER9_CH0 (footnote 3); remap I2C0_SCL and CAN0_RX; 5 V tolerant."
      },
      {
        "number": "140",
        "name": "PB9",
        "type": "bidirectional",
        "description": "Default PB9; alternate functions TIMER3_CH3, SDIO_D5 and TIMER10_CH0 (footnote 3); remap I2C0_SDA and CAN0_TX; 5 V tolerant."
      },
      {
        "number": "141",
        "name": "PE0",
        "type": "bidirectional",
        "description": "Default PE0; alternate functions TIMER3_ETI and EXMC_NBL0; 5 V tolerant."
      },
      {
        "number": "142",
        "name": "PE1",
        "type": "bidirectional",
        "description": "Default PE1; alternate function EXMC_NBL1; 5 V tolerant."
      },
      {
        "number": "143",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Ground pin VSS_3 as listed in the pin definition table."
      },
      {
        "number": "144",
        "name": "VDD_3",
        "type": "power_in",
        "description": "Supply pin VDD_3 as listed in the pin definition table."
      }
    ],
    "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 (GD32F303Zx LQFP144) gives pin functions and 5VT level only where the datasheet marks them; Footnote (3) in the datasheet says the functions marked (3) (e.g., TIMER8_CH0, TIMER9_CH0, TIMER10_C; Pin 106 is printed as NC (no connection) in the LQFP144 table; it is recorded as unconnected with no"
        ],
        "pages_sent": 38,
        "cost_usd": 0.2463,
        "at": "2026-10-20T09:20:47"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590208457958715392",
        "pages": 66,
        "sha256": "dd7f4dfb6899b103",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 144,
        "described": 144,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "gd32f303zgt6.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          22.0,
          22.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b4d698da8bb7697b754adb5655c932342462d9b9341cdaa081b3604dbdf7559b",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "gd32f303zgt6-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          22.0,
          22.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7dc9f039d4413a94114884e7e6cfa1339a7526e8238fd9071d092068fd9077b2",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}