GD32F450ZET6

{
  "slug": "gd32f450zet6",
  "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",
    "gd32f450zet6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "gd32f450zet6.kicad_sym",
    "gd32f450zet6.kicad_mod",
    "gd32f450zet6.glb",
    "gd32f450zet6.step",
    "gd32f450zet6.lbr",
    "docs/hero.png",
    "docs/gd32f450zet6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "gd32f450zet6-hero.glb",
    "gd32f450zet6-hero.overlay.json",
    "gd32f450zet6-etched.glb"
  ],
  "component": {
    "mpn": "GD32F450ZET6",
    "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/8586183245889617920",
    "parts": {
      "symbol": "gd32f450zet6.kicad_sym",
      "footprint": "gd32f450zet6.kicad_mod",
      "model_3d": "gd32f450zet6-hero.glb",
      "model_3d_plain": "gd32f450zet6-etched.glb",
      "model_3d_step": "gd32f450zet6-etched.step",
      "model_3d_step_plain": "gd32f450zet6.step",
      "lbr": "gd32f450zet6.lbr"
    },
    "distributor_links": {
      "lcsc": "C174275"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T15:50:27Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PE2",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PE2, alternate functions TRACECLK, SPI3_SCK, ETH_MII_TXD3, EXMC_A23."
      },
      {
        "number": "2",
        "name": "PE3",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PE3, alternate functions TRACED0, EXMC_A19."
      },
      {
        "number": "3",
        "name": "PE4",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PE4, alternate functions TRACED1, SPI3_NSS, EXMC_A20, DCI_D4, TLI_B0."
      },
      {
        "number": "4",
        "name": "PE5",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PE5, alternate functions TRACED2, TIMER8_CH0, SPI3_MISO, EXMC_A21, DCI_D6, TLI_G0."
      },
      {
        "number": "5",
        "name": "PE6",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PE6, alternate functions TRACED3, TIMER8_CH1, SPI3_MOSI, EXMC_A22, DCI_D7, TLI_G1."
      },
      {
        "number": "6",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup-domain supply pin (default function VBAT)."
      },
      {
        "number": "7",
        "name": "PC13-TAMPER-RTC",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PC13, additional functions RTC_TAMP0, RTC_OUT, RTC_TS."
      },
      {
        "number": "8",
        "name": "PC14-OSC32IN",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PC14, additional function OSC32IN."
      },
      {
        "number": "9",
        "name": "PC15-OSC32OUT",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PC15, additional function OSC32OUT."
      },
      {
        "number": "10",
        "name": "PF0",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PF0, alternate functions I2C1_SDA, EXMC_A0, CTC_SYNC."
      },
      {
        "number": "11",
        "name": "PF1",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PF1, alternate functions I2C1_SCL, EXMC_A1."
      },
      {
        "number": "12",
        "name": "PF2",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PF2, alternate functions I2C1_SMBA, EXMC_A2."
      },
      {
        "number": "13",
        "name": "PF3",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PF3, alternate functions EXMC_A3, I2C1_TXFRAME; additional function ADC2_IN9."
      },
      {
        "number": "14",
        "name": "PF4",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PF4, alternate function EXMC_A4; additional function ADC2_IN14."
      },
      {
        "number": "15",
        "name": "PF5",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PF5, alternate function EXMC_A5; additional function ADC2_IN15."
      },
      {
        "number": "16",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin (default function VSS)."
      },
      {
        "number": "17",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply pin (default function VDD)."
      },
      {
        "number": "18",
        "name": "PF6",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PF6, alternate functions TIMER9_CH0, SPI4_NSS, UART6_RX, EXMC_NIORD; additional function ADC2_IN4."
      },
      {
        "number": "19",
        "name": "PF7",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PF7, alternate functions TIMER10_CH0, SPI4_SCK, UART6_TX, EXMC_NREG; additional function ADC2_IN5."
      },
      {
        "number": "20",
        "name": "PF8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PF8, alternate functions SPI4_MISO, TIMER12_CH0, EXMC_NIOWR; additional function ADC2_IN6."
      },
      {
        "number": "21",
        "name": "PF9",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PF9, alternate functions SPI4_MOSI, TIMER13_CH0, EXMC_CD; additional function ADC2_IN7."
      },
      {
        "number": "22",
        "name": "PF10",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PF10, alternate functions EXMC_INTR, DCI_D11, TLI_DE; additional function ADC2_IN8."
      },
      {
        "number": "23",
        "name": "PH0",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PH0, additional function OSCIN."
      },
      {
        "number": "24",
        "name": "PH1",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PH1, additional function OSCOUT."
      },
      {
        "number": "25",
        "name": "NRST",
        "type": "input",
        "description": "Reset pin (default function NRST)."
      },
      {
        "number": "26",
        "name": "PC0",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PC0, alternate functions USBHS_ULPI_STP, EXMC_SDNWE; additional function ADC012_IN10."
      },
      {
        "number": "27",
        "name": "PC1",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PC1, alternate functions SPI2_MOSI, I2S2_SD, SPI1_MOSI, I2S1_SD, ETH_MDC; additional function ADC012_IN11."
      },
      {
        "number": "28",
        "name": "PC2",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PC2, alternate functions SPI1_MISO, I2S1_ADD_SD, USBHS_ULPI_DIR, ETH_MII_TXD2, EXMC_SDNE0; additional function ADC012_IN12."
      },
      {
        "number": "29",
        "name": "PC3",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PC3, alternate functions SPI1_MOSI, I2S1_SD, USBHS_ULPI_NXT, ETH_MII_TX_CLK, EXMC_SDCKE0; additional function ADC012_IN13."
      },
      {
        "number": "30",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply pin (default function VDD)."
      },
      {
        "number": "31",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground pin (default function VSSA)."
      },
      {
        "number": "32",
        "name": "VREF+",
        "type": "power_in",
        "description": "Positive reference voltage pin (default function VREF+)."
      },
      {
        "number": "33",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply pin (default function VDDA)."
      },
      {
        "number": "34",
        "name": "PA0-WKUP",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PA0, alternate functions TIMER1_CH0, TIMER1_ETI, TIMER4_CH0, TIMER7_ETI, USART1_CTS, UART3_TX, ETH_MII_CRS; additional functions ADC012_IN0, WKUP."
      },
      {
        "number": "35",
        "name": "PA1",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PA1, alternate functions TIMER1_CH1, TIMER4_CH1, SPI3_MOSI, USART1_RTS, UART3_RX, ETH_MII_RX_CLK, ETH_RMII_REF_CLK; additional function ADC012_IN1."
      },
      {
        "number": "36",
        "name": "PA2",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PA2, alternate functions TIMER1_CH2, TIMER4_CH2, TIMER8_CH0, I2S_CKIN, USART1_TX, ETH_MDIO; additional function ADC012_IN2."
      },
      {
        "number": "37",
        "name": "PA3",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PA3, alternate functions TIMER1_CH3, TIMER4_CH3, TIMER8_CH1, I2S1_MCK, USART1_RX, USBHS_ULPI_D0, ETH_MII_COL, TLI_B5; additional function ADC012_IN3."
      },
      {
        "number": "38",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin (default function VSS)."
      },
      {
        "number": "39",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply pin (default function VDD)."
      },
      {
        "number": "40",
        "name": "PA4",
        "type": "bidirectional",
        "description": "I/O with TTa level (not 5 V tolerant); default function PA4, alternate functions SPI0_NSS, SPI2_NSS, I2S2_WS, USART1_CK, USBHS_SOF, DCI_HSYNC, TLI_VSYNC; additional functions ADC01_IN4, DAC_OUT0."
      },
      {
        "number": "41",
        "name": "PA5",
        "type": "bidirectional",
        "description": "I/O with TTa level (not 5 V tolerant); default function PA5, alternate functions TIMER1_CH0, TIMER1_ETI, TIMER7_CH0_ON, SPI0_SCK, USBHS_ULPI_CK; additional functions ADC01_IN5, DAC_OUT1."
      },
      {
        "number": "42",
        "name": "PA6",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PA6, alternate functions TIMER0_BRKIN, TIMER2_CH0, TIMER7_BRKIN, SPI0_MISO, I2S1_MCK, TIMER12_CH0, SDIO_CMD, DCI_PIXCLK, TLI_G2; additional function ADC01_IN6."
      },
      {
        "number": "43",
        "name": "PA7",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PA7, alternate functions TIMER0_CH0_ON, TIMER2_CH1, TIMER7_CH0_ON, SPI0_MOSI, TIMER13_CH0, ETH_MII_RX_DV/ETH_RMII_CRS_DV, EXMC_SDNWE; additional function ADC01_IN7."
      },
      {
        "number": "44",
        "name": "PC4",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PC4, alternate functions ETH_MII_RXD0/ETH_RMII_RXD0, EXMC_SDNE0; additional function ADC01_IN14."
      },
      {
        "number": "45",
        "name": "PC5",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PC5, alternate functions USART2_RX, ETH_MII_RXD1/ETH_RMII_RXD1, EXMC_SDCKE0; additional function ADC01_IN15."
      },
      {
        "number": "46",
        "name": "PB0",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PB0, alternate functions TIMER0_CH1_ON, TIMER2_CH2, TIMER7_CH1_ON, SPI4_SCK, SPI2_MOSI, I2S2_SD, TLI_R3, USBHS_ULPI_D1, ETH_MII_RXD2, SDIO_D1; additional functions ADC01_IN8, IREF."
      },
      {
        "number": "47",
        "name": "PB1",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PB1, alternate functions TIMER0_CH2_ON, TIMER2_CH3, TIMER7_CH2_ON, SPI4_NSS, TLI_R6, USBHS_ULPI_D2, ETH_MII_RXD3, SDIO_D2; additional function ADC01_IN9."
      },
      {
        "number": "48",
        "name": "PB2",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PB2 (also BOOT1), alternate functions TIMER1_CH3, SPI2_MOSI, I2S2_SD, USBHS_ULPI_D4, SDIO_CK."
      },
      {
        "number": "49",
        "name": "PF11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PF11, alternate functions SPI4_MOSI, EXMC_SDNRAS, DCI_D12."
      },
      {
        "number": "50",
        "name": "PF12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PF12, alternate function EXMC_A6."
      },
      {
        "number": "51",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin (default function VSS)."
      },
      {
        "number": "52",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply pin (default function VDD)."
      },
      {
        "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 functions TIMER0_ETI, UART6_RX, EXMC_D4."
      },
      {
        "number": "59",
        "name": "PE8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PE8, alternate functions TIMER0_CH0_ON, UART6_TX, EXMC_D5."
      },
      {
        "number": "60",
        "name": "PE9",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PE9, alternate functions TIMER0_CH0, EXMC_D6."
      },
      {
        "number": "61",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin (default function VSS)."
      },
      {
        "number": "62",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply pin (default function VDD)."
      },
      {
        "number": "63",
        "name": "PE10",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PE10, alternate functions TIMER0_CH1_ON, EXMC_D7."
      },
      {
        "number": "64",
        "name": "PE11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PE11, alternate functions TIMER0_CH1, SPI3_NSS, SPI4_NSS, EXMC_D8, TLI_G3."
      },
      {
        "number": "65",
        "name": "PE12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PE12, alternate functions TIMER0_CH2_ON, SPI3_SCK, SPI4_SCK, EXMC_D9, TLI_B4."
      },
      {
        "number": "66",
        "name": "PE13",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PE13, alternate functions TIMER0_CH2, SPI3_MISO, SPI4_MISO, EXMC_D10, TLI_DE."
      },
      {
        "number": "67",
        "name": "PE14",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PE14, alternate functions TIMER0_CH3, SPI3_MOSI, SPI4_MOSI, EXMC_D11, TLI_PIXCLK."
      },
      {
        "number": "68",
        "name": "PE15",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PE15, alternate functions TIMER0_BRKIN, EXMC_D12, TLI_R7."
      },
      {
        "number": "69",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PB10, alternate functions TIMER1_CH2, I2C1_SCL, SPI1_SCK, I2S1_CK, I2S2_MCK, USART2_TX, USBHS_ULPI_D3, ETH_MII_RX_ER, SDIO_D7, TLI_G4."
      },
      {
        "number": "70",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PB11, alternate functions TIMER1_CH3, I2C1_SDA, I2S_CKIN, USART2_RX, USBHS_ULPI_D4, ETH_MII_TX_EN/ETH_RMII_TX_EN, TLI_G5."
      },
      {
        "number": "71",
        "name": "NC",
        "type": "unconnected",
        "description": "Pin printed as NC in the pin name column, but its default function is VCORE (datasheet type P); no voltage or limit is given in the datasheet text for this pin."
      },
      {
        "number": "72",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply pin (default function VDD)."
      },
      {
        "number": "73",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PB12, alternate functions TIMER0_BRKIN, I2C1_SMBA, SPI1_NSS, I2S1_WS, SPI3_NSS, USART2_CK, CAN1_RX, USBHS_ULPI_D5, ETH_MII_TXD0/ETH_RMII_TXD0, USBHS_ID."
      },
      {
        "number": "74",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PB13, alternate functions TIMER0_CH0_ON, SPI1_SCK, I2S1_CK, SPI3_SCK, USART2_CTS, CAN1_TX, USBHS_ULPI_D6, ETH_MII_TXD1/ETH_RMII_TXD1, I2C1_TXFRAME; additional function USBHS_VBUS."
      },
      {
        "number": "75",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PB14, alternate functions TIMER0_CH1_ON, TIMER7_CH1_ON, SPI1_MISO, I2S1_ADD_SD, USART2_RTS, TIMER11_CH0, USBHS_DM."
      },
      {
        "number": "76",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PB15, alternate functions RTC_REFIN, TIMER0_CH2_ON, TIMER7_CH2_ON, SPI1_MOSI, I2S1_SD, TIMER11_CH1, USBHS_DP."
      },
      {
        "number": "77",
        "name": "PD8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PD8, alternate functions USART2_TX, EXMC_D13."
      },
      {
        "number": "78",
        "name": "PD9",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PD9, alternate functions USART2_RX, EXMC_D14."
      },
      {
        "number": "79",
        "name": "PD10",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PD10, alternate functions USART2_CK, EXMC_D15, TLI_B3."
      },
      {
        "number": "80",
        "name": "PD11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PD11, alternate functions USART2_CTS, EXMC_A16."
      },
      {
        "number": "81",
        "name": "PD12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PD12, alternate functions TIMER3_CH0, USART2_RTS, EXMC_A17."
      },
      {
        "number": "82",
        "name": "PD13",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PD13, alternate functions TIMER3_CH1, EXMC_A18."
      },
      {
        "number": "83",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin (default function VSS)."
      },
      {
        "number": "84",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply pin (default function VDD)."
      },
      {
        "number": "85",
        "name": "PD14",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PD14, alternate functions TIMER3_CH2, EXMC_D0."
      },
      {
        "number": "86",
        "name": "PD15",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PD15, alternate functions CTC_SYNC, TIMER3_CH3, EXMC_D1."
      },
      {
        "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 functions EXMC_INT1, DCI_D12, TLI_R7."
      },
      {
        "number": "92",
        "name": "PG7",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PG7, alternate functions USART5_CK, EXMC_INT2, DCI_D13, TLI_PIXCLK."
      },
      {
        "number": "93",
        "name": "PG8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PG8, alternate functions SPI5_NSS, USART5_RTS, ETH_PPS_OUT, EXMC_SDCLK."
      },
      {
        "number": "94",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin (default function VSS)."
      },
      {
        "number": "95",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply pin (default function VDD)."
      },
      {
        "number": "96",
        "name": "PC6",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PC6, alternate functions TIMER2_CH0, TIMER7_CH0, I2S1_MCK, USART5_TX, SDIO_D6, DCI_D0, TLI_HSYNC."
      },
      {
        "number": "97",
        "name": "PC7",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PC7, alternate functions TIMER2_CH1, TIMER7_CH1, SPI1_SCK, I2S1_CK, I2S2_MCK, USART5_RX, SDIO_D7, DCI_D1, TLI_G6."
      },
      {
        "number": "98",
        "name": "PC8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PC8, alternate functions TRACED0, TIMER2_CH2, TIMER7_CH2, USART5_CK, SDIO_D0, DCI_D2."
      },
      {
        "number": "99",
        "name": "PC9",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PC9, alternate functions CK_OUT1, TIMER2_CH3, TIMER7_CH3, I2C2_SDA, I2S_CKIN, SDIO_D1, DCI_D3."
      },
      {
        "number": "100",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PA8, alternate functions CK_OUT0, TIMER0_CH0, I2C2_SCL, USART0_CK, CTC_SYNC, USBFS_SOF, SDIO_D1, TLI_R6."
      },
      {
        "number": "101",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PA9, alternate functions TIMER0_CH1, I2C2_SMBA, SPI1_SCK/I2S1_CK, USART0_TX, SDIO_D2, DCI_D0; additional function USBFS_VBUS."
      },
      {
        "number": "102",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PA10, alternate functions TIMER0_CH2, SPI4_MOSI, USART0_RX, USBFS_ID, DCI_D1, I2C2_TXFRAME."
      },
      {
        "number": "103",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PA11, alternate functions TIMER0_CH3, SPI3_MISO, USART0_CTS, USART5_TX, CAN0_RX, USBFS_DM, TLI_R4."
      },
      {
        "number": "104",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PA12, alternate functions TIMER0_ETI, SPI4_MISO, USART0_RTS, USART5_RX, CAN0_TX, USBFS_DP, TLI_R5."
      },
      {
        "number": "105",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function JTMS/SWDIO (PA13), with no further alternate function other than EVENTOUT."
      },
      {
        "number": "106",
        "name": "NC",
        "type": "unconnected",
        "description": "Pin printed as NC in Table 2 with no function listed in the datasheet."
      },
      {
        "number": "107",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin (default function VSS)."
      },
      {
        "number": "108",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply pin (default function VDD)."
      },
      {
        "number": "109",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function JTCK/SWCLK (PA14), with no further alternate function other than EVENTOUT."
      },
      {
        "number": "110",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function JTDI (PA15), alternate functions TIMER1_CH0, TIMER1_ETI, SPI0_NSS, SPI2_NSS, I2S2_WS, USART0_TX."
      },
      {
        "number": "111",
        "name": "PC10",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PC10, alternate functions SPI2_SCK/I2S2_CK, USART2_TX, UART3_TX, SDIO_D2, DCI_D8, TLI_R2."
      },
      {
        "number": "112",
        "name": "PC11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PC11, alternate functions I2S2_ADD_SD, SPI2_MISO, USART2_RX, UART3_RX, SDIO_D3, DCI_D4."
      },
      {
        "number": "113",
        "name": "PC12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PC12, alternate functions I2C1_SDA, SPI2_MOSI/I2S2_SD, USART2_CK, UART4_TX, SDIO_CK, DCI_D9."
      },
      {
        "number": "114",
        "name": "PD0",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PD0, alternate functions SPI3_MISO, SPI2_MOSI/I2S2_SD, CAN0_RX, EXMC_D2."
      },
      {
        "number": "115",
        "name": "PD1",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PD1, alternate functions SPI1_NSS/I2S1_WS, CAN0_TX, EXMC_D3."
      },
      {
        "number": "116",
        "name": "PD2",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PD2, alternate functions TIMER2_ETI, UART4_RX, SDIO_CMD, DCI_D11."
      },
      {
        "number": "117",
        "name": "PD3",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PD3, alternate functions TRACED1, SPI1_SCK/I2S1_CK, USART1_CTS, EXMC_CLK, DCI_D5, TLI_G7."
      },
      {
        "number": "118",
        "name": "PD4",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PD4, alternate functions USART1_RTS, EXMC_NOE."
      },
      {
        "number": "119",
        "name": "PD5",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PD5, alternate functions USART1_TX, EXMC_NWE."
      },
      {
        "number": "120",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin (default function VSS)."
      },
      {
        "number": "121",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply pin (default function VDD)."
      },
      {
        "number": "122",
        "name": "PD6",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PD6, alternate functions SPI2_MOSI/I2S2_SD, USART1_RX, EXMC_NWAIT, DCI_D10, TLI_B2."
      },
      {
        "number": "123",
        "name": "PD7",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PD7, alternate functions USART1_CK, EXMC_NE0/EXMC_NCE1."
      },
      {
        "number": "124",
        "name": "PG9",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PG9, alternate functions USART5_RX, EXMC_NE1/EXMC_NCE2, DCI_VSYNC."
      },
      {
        "number": "125",
        "name": "PG10",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PG10, alternate functions SPI5_IO2, TLI_G3, EXMC_NCE3_0/EXMC_NE2, DCI_D2, TLI_B2."
      },
      {
        "number": "126",
        "name": "PG11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PG11, alternate functions SPI5_IO3, SPI3_SCK, ETH_MII_TX_EN/ETH_RMII_TX_EN, EXMC_NCE3_1, DCI_D3, TLI_B3."
      },
      {
        "number": "127",
        "name": "PG12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PG12, alternate functions SPI5_MISO, SPI3_MISO, USART5_RTS, TLI_B4, EXMC_NE3, TLI_B1."
      },
      {
        "number": "128",
        "name": "PG13",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PG13, alternate functions TRACED2, SPI5_SCK, SPI3_MOSI, USART5_CTS, ETH_MII_TXD0/ETH_RMII_TXD0, EXMC_A24."
      },
      {
        "number": "129",
        "name": "PG14",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PG14, alternate functions TRACED3, SPI5_MOSI, SPI3_NSS, USART5_TX, ETH_MII_TXD1/ETH_RMII_TXD1, EXMC_A25."
      },
      {
        "number": "130",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin (default function VSS)."
      },
      {
        "number": "131",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply pin (default function VDD)."
      },
      {
        "number": "132",
        "name": "PG15",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PG15, alternate functions USART5_CTS, EXMC_SDNCAS, DCI_D13."
      },
      {
        "number": "133",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function JTDO/PB3, alternate functions TRACESWO, TIMER1_CH1, SPI0_SCK, SPI2_SCK/I2S2_CK, USART0_RX, I2C1_SDA."
      },
      {
        "number": "134",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function JNTRST/PB4, alternate functions TIMER2_CH0, SPI0_MISO, SPI2_MISO, I2S2_ADD_SD, I2C2_SDA, SDIO_D0, I2C0_TXFRAME."
      },
      {
        "number": "135",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PB5, alternate functions TIMER2_CH1, I2C0_SMBA, SPI0_MOSI, SPI2_MOSI/I2S2_SD, CAN1_RX, USBHS_ULPI_D7, ETH_PPS_OUT, EXMC_SDCKE1, DCI_D10."
      },
      {
        "number": "136",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PB6, alternate functions TIMER3_CH0, I2C0_SCL, USART0_TX, CAN1_TX, EXMC_SDNE1, DCI_D5."
      },
      {
        "number": "137",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PB7, alternate functions TIMER3_CH1, I2C0_SDA, USART0_RX, EXMC_NL, DCI_VSYNC."
      },
      {
        "number": "138",
        "name": "BOOT0",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function BOOT0, used for boot mode selection."
      },
      {
        "number": "139",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PB8, alternate functions TIMER1_CH0, TIMER1_ETI, TIMER3_CH2, TIMER9_CH0, I2C0_SCL, SPI4_MOSI, CAN0_RX, ETH_MII_TXD3, SDIO_D4, DCI_D6, TLI_B6."
      },
      {
        "number": "140",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PB9, alternate functions TIMER1_CH1, TIMER3_CH3, TIMER10_CH0, I2C0_SDA, SPI1_NSS/I2S1_WS, CAN0_TX, SDIO_D5, DCI_D7, TLI_B7."
      },
      {
        "number": "141",
        "name": "PE0",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PE0, alternate functions TIMER3_ETI, UART7_RX, EXMC_NBL0, DCI_D2."
      },
      {
        "number": "142",
        "name": "PE1",
        "type": "bidirectional",
        "description": "5 V tolerant I/O; default function PE1, alternate functions TIMER0_CH1_ON, UART7_TX, EXMC_NBL1, DCI_D3."
      },
      {
        "number": "143",
        "name": "PDR_ON",
        "type": "input",
        "description": "Default function PDR_ON, the power-down reset control pin; Table 2 types it as P, and no limits are given for it in this text."
      },
      {
        "number": "144",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply pin (default function VDD)."
      }
    ],
    "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: Pin name column prints NC, but the default function is VCORE and the type is P. Recorded as printed ; Table 2 types PDR_ON as P (power), but it is a control input rather than a supply. Recorded as input; Printed as NC with no function listed; recorded as unconnected."
        ],
        "pages_sent": 38,
        "cost_usd": 0.3234,
        "at": "2026-10-18T15:49:50"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586183245889617920",
        "pages": 66,
        "sha256": "915c24a1f84de32a",
        "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": "gd32f450zet6.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": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "gd32f450zet6-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": "e16d333bde5b7620cfb9329db748703de277e15b19868f8000ad1ebac5b5d76a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}