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Ray Set visibility: public 8e3b9e1 8d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "gd32f103zet6",
  "title": "GD32F103ZET6",
  "brief": "GigaDevice Semicon Beijing Microcontrollers (MCU/MPU/SOC), LQFP-144(20x20). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "embedded processors & controllers",
    "gd32f103zet6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "GD32F103ZET6",
    "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/8604748927388299264",
    "parts": {
      "symbol": "gd32f103zet6.kicad_sym",
      "footprint": "gd32f103zet6.kicad_mod",
      "model_3d": "gd32f103zet6-hero.glb",
      "model_3d_plain": "gd32f103zet6-etched.glb",
      "model_3d_step": "gd32f103zet6-etched.step",
      "model_3d_step_plain": "gd32f103zet6.step",
      "lbr": "gd32f103zet6.lbr"
    },
    "distributor_links": {
      "lcsc": "C81550"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T06:12:38Z",
      "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 I/O; default function PE2, alternate functions TRACECK and EXMC_A23."
      },
      {
        "number": "2",
        "name": "PE3",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PE3, alternate functions TRACED0 and EXMC_A19."
      },
      {
        "number": "3",
        "name": "PE4",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PE4, alternate functions TRACED1 and EXMC_A20."
      },
      {
        "number": "4",
        "name": "PE5",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PE5, alternate functions TRACED2 and EXMC_A21 (TIMER8_CH0 remap is listed only for ZF/G/I/K devices)."
      },
      {
        "number": "5",
        "name": "PE6",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PE6, alternate functions TRACED3 and EXMC_A22 (TIMER8_CH1 remap is listed only for ZF/G/I/K devices)."
      },
      {
        "number": "6",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup power supply for the RTC and backup domain."
      },
      {
        "number": "7",
        "name": "PC13-TAMPER-RTC",
        "type": "bidirectional",
        "description": "I/O; default function PC13, alternate function TAMPER-RTC."
      },
      {
        "number": "8",
        "name": "PC14-OSC32IN",
        "type": "bidirectional",
        "description": "I/O; default function PC14, alternate function OSC32IN (low-speed oscillator input)."
      },
      {
        "number": "9",
        "name": "PC15-OSC32OUT",
        "type": "bidirectional",
        "description": "I/O; default function PC15, alternate function OSC32OUT (low-speed oscillator output)."
      },
      {
        "number": "10",
        "name": "PF0",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PF0, alternate function EXMC_A0."
      },
      {
        "number": "11",
        "name": "PF1",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PF1, alternate function EXMC_A1."
      },
      {
        "number": "12",
        "name": "PF2",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PF2, alternate function EXMC_A2."
      },
      {
        "number": "13",
        "name": "PF3",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PF3, alternate function EXMC_A3."
      },
      {
        "number": "14",
        "name": "PF4",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PF4, alternate function EXMC_A4."
      },
      {
        "number": "15",
        "name": "PF5",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PF5, alternate function EXMC_A5."
      },
      {
        "number": "16",
        "name": "VSS_5",
        "type": "power_in",
        "description": "Ground reference for the digital supply domain."
      },
      {
        "number": "17",
        "name": "VDD_5",
        "type": "power_in",
        "description": "Digital supply pin for the I/O and core domain."
      },
      {
        "number": "18",
        "name": "PF6",
        "type": "bidirectional",
        "description": "I/O; default function PF6, alternate functions ADC2_IN4 and EXMC_NIORD (TIMER9_CH0 remap is listed only for ZF/G/I/K devices)."
      },
      {
        "number": "19",
        "name": "PF7",
        "type": "bidirectional",
        "description": "I/O; default function PF7, alternate functions ADC2_IN5 and EXMC_NREG (TIMER10_CH0 remap is listed only for ZF/G/I/K devices)."
      },
      {
        "number": "20",
        "name": "PF8",
        "type": "bidirectional",
        "description": "I/O; default function PF8, alternate functions ADC2_IN6 and EXMC_NIOWR (TIMER12_CH0 remap is listed only for ZF/G/I/K devices)."
      },
      {
        "number": "21",
        "name": "PF9",
        "type": "bidirectional",
        "description": "I/O; default function PF9, alternate functions ADC2_IN7 and EXMC_CD (TIMER13_CH0 remap is listed only for ZF/G/I/K devices)."
      },
      {
        "number": "22",
        "name": "PF10",
        "type": "bidirectional",
        "description": "I/O; default function PF10, alternate functions ADC2_IN8 and EXMC_INTR."
      },
      {
        "number": "23",
        "name": "OSCIN-PD0",
        "type": "input",
        "description": "Default function OSCIN, the high-speed external crystal oscillator input; remappable to PD0."
      },
      {
        "number": "24",
        "name": "OSCOUT-PD1",
        "type": "output",
        "description": "Default function OSCOUT, the high-speed external crystal oscillator output; remappable to PD1."
      },
      {
        "number": "25",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Active-low reset pin (I/O) for the device."
      },
      {
        "number": "26",
        "name": "PC0",
        "type": "bidirectional",
        "description": "I/O; default function PC0, alternate function ADC012_IN10."
      },
      {
        "number": "27",
        "name": "PC1",
        "type": "bidirectional",
        "description": "I/O; default function PC1, alternate function ADC012_IN11."
      },
      {
        "number": "28",
        "name": "PC2",
        "type": "bidirectional",
        "description": "I/O; default function PC2, alternate function ADC012_IN12."
      },
      {
        "number": "29",
        "name": "PC3",
        "type": "bidirectional",
        "description": "I/O; default function PC3, alternate function ADC012_IN13."
      },
      {
        "number": "30",
        "name": "VSSA",
        "type": "power_in",
        "description": "Ground for the analog domain (ADC, DAC, reference)."
      },
      {
        "number": "31",
        "name": "VREFN",
        "type": "power_in",
        "description": "ADC reference voltage negative input."
      },
      {
        "number": "32",
        "name": "VREFP",
        "type": "power_in",
        "description": "ADC reference voltage positive input."
      },
      {
        "number": "33",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply pin for the ADC, DAC and related analog blocks."
      },
      {
        "number": "34",
        "name": "PA0-WKUP",
        "type": "bidirectional",
        "description": "I/O; default function PA0, alternate functions WKUP, USART1_CTS, ADC012_IN0, TIMER1_CH0, TIMER1_ETI, TIMER4_CH0 and TIMER7_ETI."
      },
      {
        "number": "35",
        "name": "PA1",
        "type": "bidirectional",
        "description": "I/O; default function PA1, alternate functions USART1_RTS, ADC012_IN1, TIMER1_CH1 and TIMER4_CH1."
      },
      {
        "number": "36",
        "name": "PA2",
        "type": "bidirectional",
        "description": "I/O; default function PA2, alternate functions USART1_TX, ADC012_IN2, TIMER1_CH2 and TIMER4_CH2 (TIMER8_CH0 remap is listed only for ZF/G/I/K devices)."
      },
      {
        "number": "37",
        "name": "PA3",
        "type": "bidirectional",
        "description": "I/O; default function PA3, alternate functions USART1_RX, ADC012_IN3, TIMER1_CH3 and TIMER4_CH3 (TIMER8_CH1 remap is listed only for ZF/G/I/K devices)."
      },
      {
        "number": "38",
        "name": "VSS_4",
        "type": "power_in",
        "description": "Ground reference for the digital supply domain."
      },
      {
        "number": "39",
        "name": "VDD_4",
        "type": "power_in",
        "description": "Digital supply pin for the I/O and core domain."
      },
      {
        "number": "40",
        "name": "PA4",
        "type": "bidirectional",
        "description": "I/O; default function PA4, alternate functions SPI0_NSS, USART1_CK, ADC01_IN4 and DAC0_OUT0; remappable to SPI2_NSS and I2S2_WS."
      },
      {
        "number": "41",
        "name": "PA5",
        "type": "bidirectional",
        "description": "I/O; default function PA5, alternate functions SPI0_SCK, ADC01_IN5 and DAC0_OUT1."
      },
      {
        "number": "42",
        "name": "PA6",
        "type": "bidirectional",
        "description": "I/O; default function PA6, alternate functions SPI0_MISO, ADC01_IN6, TIMER2_CH0 and TIMER7_BRKIN; remappable to TIMER0_BRKIN."
      },
      {
        "number": "43",
        "name": "PA7",
        "type": "bidirectional",
        "description": "I/O; default function PA7, alternate functions SPI0_MOSI, ADC01_IN7, TIMER2_CH1 and TIMER7_CH0_ON; remappable to TIMER0_CH0_ON."
      },
      {
        "number": "44",
        "name": "PC4",
        "type": "bidirectional",
        "description": "I/O; default function PC4, alternate function ADC01_IN14."
      },
      {
        "number": "45",
        "name": "PC5",
        "type": "bidirectional",
        "description": "I/O; default function PC5, alternate function ADC01_IN15."
      },
      {
        "number": "46",
        "name": "PB0",
        "type": "bidirectional",
        "description": "I/O; default function PB0, alternate functions ADC01_IN8, TIMER2_CH2 and TIMER7_CH1_ON; remappable to TIMER0_CH1_ON."
      },
      {
        "number": "47",
        "name": "PB1",
        "type": "bidirectional",
        "description": "I/O; default function PB1, alternate functions ADC01_IN9, TIMER2_CH3 and TIMER7_CH2_ON; remappable to TIMER0_CH2_ON."
      },
      {
        "number": "48",
        "name": "PB2",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PB2 and BOOT1."
      },
      {
        "number": "49",
        "name": "PF11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PF11, alternate function EXMC_NIOS16."
      },
      {
        "number": "50",
        "name": "PF12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PF12, alternate function EXMC_A6."
      },
      {
        "number": "51",
        "name": "VSS_6",
        "type": "power_in",
        "description": "Ground reference for the digital supply domain."
      },
      {
        "number": "52",
        "name": "VDD_6",
        "type": "power_in",
        "description": "Digital supply pin for the I/O and core domain."
      },
      {
        "number": "53",
        "name": "PF13",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PF13, alternate function EXMC_A7."
      },
      {
        "number": "54",
        "name": "PF14",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PF14, alternate function EXMC_A8."
      },
      {
        "number": "55",
        "name": "PF15",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PF15, alternate function EXMC_A9."
      },
      {
        "number": "56",
        "name": "PG0",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PG0, alternate function EXMC_A10."
      },
      {
        "number": "57",
        "name": "PG1",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PG1, alternate function EXMC_A11."
      },
      {
        "number": "58",
        "name": "PE7",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PE7, alternate function EXMC_D4; remappable to TIMER0_ETI."
      },
      {
        "number": "59",
        "name": "PE8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PE8, alternate function EXMC_D5; remappable to TIMER0_CH0_ON."
      },
      {
        "number": "60",
        "name": "PE9",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PE9, alternate function EXMC_D6; remappable to TIMER0_CH0."
      },
      {
        "number": "61",
        "name": "VSS_7",
        "type": "power_in",
        "description": "Ground reference for the digital supply domain."
      },
      {
        "number": "62",
        "name": "VDD_7",
        "type": "power_in",
        "description": "Digital supply pin for the I/O and core domain."
      },
      {
        "number": "63",
        "name": "PE10",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PE10, alternate function EXMC_D7; remappable to TIMER0_CH1_ON."
      },
      {
        "number": "64",
        "name": "PE11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PE11, alternate function EXMC_D8; remappable to TIMER0_CH1."
      },
      {
        "number": "65",
        "name": "PE12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PE12, alternate function EXMC_D9; remappable to TIMER0_CH2_ON."
      },
      {
        "number": "66",
        "name": "PE13",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PE13, alternate function EXMC_D10; remappable to TIMER0_CH2."
      },
      {
        "number": "67",
        "name": "PE14",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PE14, alternate function EXMC_D11; remappable to TIMER0_CH3."
      },
      {
        "number": "68",
        "name": "PE15",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PE15, alternate function EXMC_D12; remappable to TIMER0_BRKIN."
      },
      {
        "number": "69",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PB10, alternate functions I2C1_SCL and USART2_TX; remappable to TIMER1_CH2."
      },
      {
        "number": "70",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PB11, alternate functions I2C1_SDA and USART2_RX; remappable to TIMER1_CH3."
      },
      {
        "number": "71",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Ground reference for the digital supply domain."
      },
      {
        "number": "72",
        "name": "VDD_1",
        "type": "power_in",
        "description": "Digital supply pin for the I/O and core domain."
      },
      {
        "number": "73",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PB12, alternate functions SPI1_NSS, I2C1_SMBA, USART2_CK, TIMER0_BRKIN and I2S1_WS."
      },
      {
        "number": "74",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PB13, alternate functions SPI1_SCK, USART2_CTS, TIMER0_CH0_ON and I2S1_CK."
      },
      {
        "number": "75",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PB14, alternate functions SPI1_MISO, USART2_RTS and TIMER0_CH1_ON (TIMER11_CH0 is listed only for ZF/G/I/K devices)."
      },
      {
        "number": "76",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PB15, alternate functions SPI1_MOSI, TIMER0_CH2_ON and I2S1_SD (TIMER11_CH1 is listed only for ZF/G/I/K devices)."
      },
      {
        "number": "77",
        "name": "PD8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PD8, alternate function EXMC_D13; remappable to USART2_TX."
      },
      {
        "number": "78",
        "name": "PD9",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PD9, alternate function EXMC_D14; remappable to USART2_RX."
      },
      {
        "number": "79",
        "name": "PD10",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PD10, alternate function EXMC_D15; remappable to USART2_CK."
      },
      {
        "number": "80",
        "name": "PD11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PD11, alternate functions EXMC_A16 and EXMC_CLE; remappable to USART2_CTS."
      },
      {
        "number": "81",
        "name": "PD12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PD12, alternate functions EXMC_A17 and EXMC_ALE; remappable to TIMER3_CH0 and USART2_RTS."
      },
      {
        "number": "82",
        "name": "PD13",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PD13, alternate function EXMC_A18; remappable to TIMER3_CH1."
      },
      {
        "number": "83",
        "name": "VSS_8",
        "type": "power_in",
        "description": "Ground reference for the digital supply domain."
      },
      {
        "number": "84",
        "name": "VDD_8",
        "type": "power_in",
        "description": "Digital supply pin for the I/O and core domain."
      },
      {
        "number": "85",
        "name": "PD14",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PD14, alternate function EXMC_D0; remappable to TIMER3_CH2."
      },
      {
        "number": "86",
        "name": "PD15",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PD15, alternate function EXMC_D1; remappable to TIMER3_CH3."
      },
      {
        "number": "87",
        "name": "PG2",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PG2, alternate function EXMC_A12."
      },
      {
        "number": "88",
        "name": "PG3",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PG3, alternate function EXMC_A13."
      },
      {
        "number": "89",
        "name": "PG4",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PG4, alternate function EXMC_A14."
      },
      {
        "number": "90",
        "name": "PG5",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PG5, alternate function EXMC_A15."
      },
      {
        "number": "91",
        "name": "PG6",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PG6, alternate function EXMC_INT1."
      },
      {
        "number": "92",
        "name": "PG7",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PG7, alternate function EXMC_INT2."
      },
      {
        "number": "93",
        "name": "PG8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with default function PG8."
      },
      {
        "number": "94",
        "name": "VSS_9",
        "type": "power_in",
        "description": "Ground reference for the digital supply domain."
      },
      {
        "number": "95",
        "name": "VDD_9",
        "type": "power_in",
        "description": "Digital supply pin for the I/O and core domain."
      },
      {
        "number": "96",
        "name": "PC6",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PC6, alternate functions I2S1_MCK, TIMER7_CH0 and SDIO_D6; remappable to TIMER2_CH0."
      },
      {
        "number": "97",
        "name": "PC7",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PC7, alternate functions I2S2_MCK, TIMER7_CH1 and SDIO_D7; remappable to TIMER2_CH1."
      },
      {
        "number": "98",
        "name": "PC8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PC8, alternate functions TIMER7_CH2 and SDIO_D0; remappable to TIMER2_CH2."
      },
      {
        "number": "99",
        "name": "PC9",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PC9, alternate functions TIMER7_CH3 and SDIO_D1; remappable to TIMER2_CH3."
      },
      {
        "number": "100",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PA8, alternate functions USART0_CK, TIMER0_CH0 and CK_OUT0."
      },
      {
        "number": "101",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PA9, alternate functions USART0_TX and TIMER0_CH1."
      },
      {
        "number": "102",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PA10, alternate functions USART0_RX and TIMER0_CH2."
      },
      {
        "number": "103",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PA11, alternate functions USART0_CTS, CAN0_RX, USBDM and TIMER0_CH3."
      },
      {
        "number": "104",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PA12, alternate functions USART0_RTS, CAN0_TX, TIMER0_ETI and USBDP."
      },
      {
        "number": "105",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function JTMS/SWDIO, remappable to PA13."
      },
      {
        "number": "106",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected."
      },
      {
        "number": "107",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Ground reference for the digital supply domain."
      },
      {
        "number": "108",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Digital supply pin for the I/O and core domain."
      },
      {
        "number": "109",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function JTCK/SWCLK, remappable to PA14."
      },
      {
        "number": "110",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function JTDI, alternate functions SPI2_NSS and I2S2_WS; remappable to TIMER1_CH0, TIMER1_ETI, PA15 and SPI0_NSS."
      },
      {
        "number": "111",
        "name": "PC10",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PC10, alternate functions UART3_TX and SDIO_D2; remappable to USART2_TX, SPI2_SCK and I2S2_CK."
      },
      {
        "number": "112",
        "name": "PC11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PC11, alternate functions UART3_RX and SDIO_D3; remappable to USART2_RX and SPI2_MISO."
      },
      {
        "number": "113",
        "name": "PC12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PC12, alternate functions UART4_TX and SDIO_CK; remappable to USART2_CK, SPI2_MOSI and I2S2_SD."
      },
      {
        "number": "114",
        "name": "PD0",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PD0, alternate function EXMC_D2; remappable to CAN0_RX."
      },
      {
        "number": "115",
        "name": "PD1",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PD1, alternate function EXMC_D3; remappable to CAN0_TX."
      },
      {
        "number": "116",
        "name": "PD2",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PD2, alternate functions TIMER2_ETI, SDIO_CMD and UART4_RX."
      },
      {
        "number": "117",
        "name": "PD3",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PD3, alternate function EXMC_CLK; remappable to USART1_CTS."
      },
      {
        "number": "118",
        "name": "PD4",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PD4, alternate function EXMC_NOE; remappable to USART1_RTS."
      },
      {
        "number": "119",
        "name": "PD5",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PD5, alternate function EXMC_NWE; remappable to USART1_TX."
      },
      {
        "number": "120",
        "name": "VSS_10",
        "type": "power_in",
        "description": "Ground reference for the digital supply domain."
      },
      {
        "number": "121",
        "name": "VDD_10",
        "type": "power_in",
        "description": "Digital supply pin for the I/O and core domain."
      },
      {
        "number": "122",
        "name": "PD6",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PD6, alternate function EXMC_NWAIT; remappable to USART1_RX."
      },
      {
        "number": "123",
        "name": "PD7",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PD7, alternate functions EXMC_NE0 and EXMC_NCE1; remappable to USART1_CK."
      },
      {
        "number": "124",
        "name": "PG9",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PG9, alternate functions EXMC_NE1 and EXMC_NCE2."
      },
      {
        "number": "125",
        "name": "PG10",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PG10, alternate functions EXMC_NCE3_0 and EXMC_NE2."
      },
      {
        "number": "126",
        "name": "PG11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PG11, alternate function EXMC_NCE3_1."
      },
      {
        "number": "127",
        "name": "PG12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PG12, alternate function EXMC_NE3."
      },
      {
        "number": "128",
        "name": "PG13",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PG13, alternate function EXMC_A24."
      },
      {
        "number": "129",
        "name": "PG14",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PG14, alternate function EXMC_A25."
      },
      {
        "number": "130",
        "name": "VSS_11",
        "type": "power_in",
        "description": "Ground reference for the digital supply domain."
      },
      {
        "number": "131",
        "name": "VDD_11",
        "type": "power_in",
        "description": "Digital supply pin for the I/O and core domain."
      },
      {
        "number": "132",
        "name": "PG15",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with default function PG15."
      },
      {
        "number": "133",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function JTDO, alternate functions SPI2_SCK and I2S2_CK; remappable to PB3, TRACESWO, TIMER1_CH1 and SPI0_SCK."
      },
      {
        "number": "134",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function NJTRST, alternate function SPI2_MISO; remappable to TIMER2_CH0, PB4 and SPI0_MISO."
      },
      {
        "number": "135",
        "name": "PB5",
        "type": "bidirectional",
        "description": "I/O (not 5 V tolerant per the level column); default function PB5, alternate functions I2C0_SMBA, SPI2_MOSI and I2S2_SD; remappable to TIMER2_CH1 and SPI0_MOSI."
      },
      {
        "number": "136",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PB6, alternate functions I2C0_SCL and TIMER3_CH0; remappable to USART0_TX."
      },
      {
        "number": "137",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PB7, alternate functions I2C0_SDA, TIMER3_CH1 and EXMC_NADV; remappable to USART0_RX."
      },
      {
        "number": "138",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot mode selection input, default function BOOT0."
      },
      {
        "number": "139",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PB8, alternates TIMER3_CH2 and SDIO_D4; remappable to I2C0_SCL and CAN0_RX (TIMER9_CH0 is listed only for ZF/G/I/K devices)."
      },
      {
        "number": "140",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PB9, alternates TIMER3_CH3 and SDIO_D5; remappable to I2C0_SDA and CAN0_TX (TIMER10_CH0 is listed only for ZF/G/I/K devices)."
      },
      {
        "number": "141",
        "name": "PE0",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PE0, alternate functions TIMER3_ETI and EXMC_NBL0."
      },
      {
        "number": "142",
        "name": "PE1",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PE1, alternate function EXMC_NBL1."
      },
      {
        "number": "143",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Ground reference for the digital supply domain."
      },
      {
        "number": "144",
        "name": "VDD_3",
        "type": "power_in",
        "description": "Digital supply pin for the I/O and core domain."
      }
    ],
    "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: Footnote (3) in Table 2-5 says the marked alternate functions are available only in GD32F103ZF/G/I/K; Pin 106 is printed as NC and is typed unconnected. Pins 120 and 121 have no I/O level entry in the t; Pin 25 NRST and pins 1-93 are typed from the printed I/O or I/P designators. Pin 25 is listed as I/O"
        ],
        "pages_sent": 50,
        "cost_usd": 0.2943,
        "at": "2026-10-19T06:11:29"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604748927388299264",
        "pages": 112,
        "sha256": "53da1a17a1523e83",
        "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": "gd32f103zet6.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          22,
          22,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b4d698da8bb7697b754adb5655c932342462d9b9341cdaa081b3604dbdf7559b",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "gd32f103zet6-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          22,
          22,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "fac76265125fa9cff3e367f8bb647abea4b8ad7bfed763540b7ec22fc1dd02ed",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "GigaDevice Semicon Beijing",
      "Package": "LQFP-144(20x20)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "144"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "53da1a17a1523e835383d83fa4b20b4f17fa706e20e8ae8645ef212499366c1a",
      "rows": [
        {
          "name": "External voltage range (referenced to VSS; printed VSS-0.3 to VSS+3.6)",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 3.6,
          "conditions": "Referenced to VSS",
          "source_page": 59,
          "source": "datasheet"
        },
        {
          "name": "External analog supply voltage (referenced to VSSA; printed VSSA-0.3 to VSSA+3.6)",
          "symbol": "VDDA",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 3.6,
          "conditions": "Referenced to VSSA",
          "source_page": 59,
          "source": "datasheet"
        },
        {
          "name": "External battery supply voltage (referenced to VSS; printed VSS-0.3 to VSS+3.6)",
          "symbol": "VBAT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 3.6,
          "conditions": "Referenced to VSS",
          "source_page": 59,
          "source": "datasheet"
        },
        {
          "name": "Input voltage on other I/O (non 5V-tolerant)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 3.6,
          "conditions": "Input voltage on other I/O",
          "source_page": 59,
          "source": "datasheet"
        },
        {
          "name": "Variations between different VDD power pins",
          "symbol": "|ΔVDDX|",
          "kind": "absolute_maximum",
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          "min": null,
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          "max": 50,
          "conditions": "",
          "source_page": 59,
          "source": "datasheet"
        },
        {
          "name": "Variations between different ground pins",
          "symbol": "|VSSX −VSS|",
          "kind": "absolute_maximum",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 59,
          "source": "datasheet"
        },
        {
          "name": "Maximum current for GPIO pins",
          "symbol": "IIO",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -25,
          "typ": null,
          "max": 25,
          "conditions": "",
          "source_page": 59,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "TA",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 59,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation of LQFP144",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 820,
          "conditions": "TA = 85°C",
          "source_page": 59,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 59,
          "source": "datasheet"
        },
        {
          "name": "Maximum junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 59,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.6,
          "typ": 3.3,
          "max": 3.6,
          "conditions": "",
          "source_page": 59,
          "source": "datasheet"
        },
        {
          "name": "Analog supply voltage",
          "symbol": "VDDA",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.6,
          "typ": 3.3,
          "max": 3.6,
          "conditions": "Same as VDD",
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