HC32F4A0PGTB-LQFP100

{
  "slug": "hc32f4a0pgtb-lqfp100",
  "version": "0.1.0",
  "type": "component",
  "description": "XHSC Microcontroller Units (MCUs/MPUs/SOCs), LQFP-100(14x14). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "single chip microcomputer-microcontroller",
    "hc32f4a0pgtb-lqfp100",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "hc32f4a0pgtb-lqfp100.kicad_sym",
    "hc32f4a0pgtb-lqfp100.kicad_mod",
    "hc32f4a0pgtb-lqfp100.glb",
    "hc32f4a0pgtb-lqfp100.step",
    "hc32f4a0pgtb-lqfp100.lbr",
    "docs/hero.png",
    "docs/hc32f4a0pgtb-lqfp100-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "hc32f4a0pgtb-lqfp100-hero.glb",
    "hc32f4a0pgtb-lqfp100-hero.overlay.json",
    "hc32f4a0pgtb-lqfp100-etched.glb"
  ],
  "component": {
    "mpn": "HC32F4A0PGTB-LQFP100",
    "manufacturer": "XHSC",
    "package": "LQFP-100(14x14)",
    "pin_count": 100,
    "category": "Single Chip Microcomputer/Microcontroller",
    "subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/996e299c324e516e3e15972be3ee3003.pdf",
    "parts": {
      "symbol": "hc32f4a0pgtb-lqfp100.kicad_sym",
      "footprint": "hc32f4a0pgtb-lqfp100.kicad_mod",
      "model_3d": "hc32f4a0pgtb-lqfp100-hero.glb",
      "model_3d_plain": "hc32f4a0pgtb-lqfp100-etched.glb",
      "model_3d_step": "hc32f4a0pgtb-lqfp100-etched.step",
      "model_3d_step_plain": "hc32f4a0pgtb-lqfp100.step",
      "lbr": "hc32f4a0pgtb-lqfp100.lbr"
    },
    "distributor_links": {
      "lcsc": "C5263762"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T23:02:10Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 709 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PE2",
        "type": "bidirectional",
        "description": "GPIO PE2 with EIRQ2, TRACECLK, FCMREF, TIM4_3_ADSM, TIMA_9, USART3_CK, ETH_MII_TXD3, EXMC_ADD23 and I2S3_MCK alternate functions (FG2)."
      },
      {
        "number": "2",
        "name": "PE3",
        "type": "bidirectional",
        "description": "GPIO PE3 with EIRQ3, TRACED0, TIMA_9/TIMA_4 PWM, USART6_CK, ETH_MII_RMII_TXEN, EXMC_ADD19, I2S4_SD and SPI2_NSS0 alternate functions (FG2)."
      },
      {
        "number": "3",
        "name": "PE4",
        "type": "bidirectional",
        "description": "GPIO PE4 with EIRQ4, TRACED1, TIMA_9_PWM3, TIMA_4_PWM2, USART6_CTS, EXMC_ADD20, DVP_DATA4 and SPI4_NSS0 alternate functions (FG2)."
      },
      {
        "number": "4",
        "name": "PE5",
        "type": "bidirectional",
        "description": "GPIO PE5 with EIRQ5, TRACED2, CTCREF, TIMA_9_PWM4, TIMA_4_PWM3, USART6_RTS, EXMC_ADD21 and DVP_DATA6 alternate functions (FG2)."
      },
      {
        "number": "5",
        "name": "PE6",
        "type": "bidirectional",
        "description": "GPIO PE6 with EIRQ6, TRACED3, TIMA_4_PWM4, TIMA_9_TRIG, EXMC_ADD22, DVP_DATA7 and TIM2_1_PWMB/TRIGB alternate functions (FG2)."
      },
      {
        "number": "6",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup battery supply (1.65 to 3.6 V) for the RTC and backup domain; short to VCC with a 100 nF decoupling capacitor when unused."
      },
      {
        "number": "7",
        "name": "PC13",
        "type": "bidirectional",
        "description": "GPIO PC13 with RTCIC0 timestamp input, EIRQ13/WKUP3_1, RTC_OUT, TIMA_10_PWM4, SDIO2_CK and I2S3_MCK; combined sink/source current of PC13/PC14/PC15/PI8 limited to 20 mA."
      },
      {
        "number": "8",
        "name": "PC14",
        "type": "bidirectional",
        "description": "GPIO PC14 or XTAL32_OUT (32 kHz oscillator output) with EIRQ14 and TIMA_10 alternate functions; shared 20 mA limit with PC13/PC15/PI8."
      },
      {
        "number": "9",
        "name": "PC15",
        "type": "bidirectional",
        "description": "GPIO PC15 or XTAL32_IN (32 kHz oscillator input) with EIRQ15 and TIMA_10 alternate functions; shared 20 mA limit with PC13/PC14/PI8."
      },
      {
        "number": "10",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground (0 V); decouple close to the paired VCC pin."
      },
      {
        "number": "11",
        "name": "VCC",
        "type": "power_in",
        "description": "Digital supply, 1.8 V to 3.6 V; decouple to VSS with nearby capacitors."
      },
      {
        "number": "12",
        "name": "PH0",
        "type": "bidirectional",
        "description": "GPIO PH0 or XTAL_IN (external main oscillator input, 4-25 MHz) with EIRQ0 and TIMA_5_PWM3."
      },
      {
        "number": "13",
        "name": "PH1",
        "type": "bidirectional",
        "description": "GPIO PH1 or XTAL_OUT (external main oscillator output) with EIRQ1 and TIMA_5_PWM4."
      },
      {
        "number": "14",
        "name": "NRST",
        "type": "input",
        "description": "Active-low reset input; connect a pull-up resistor to VCC when unused."
      },
      {
        "number": "15",
        "name": "PC0",
        "type": "bidirectional",
        "description": "GPIO PC0 with ADC123_IN10 and CMP3_INP4 analog functions, EIRQ0, SDIO2_D5, USBHS_ULPI_STP, EXMC_WE and I2S1_EXCK (FG3)."
      },
      {
        "number": "16",
        "name": "PC1",
        "type": "bidirectional",
        "description": "GPIO PC1 with ADC123_IN11 analog input, EIRQ1, SDIO2_D6, ETH_SMI_MDC and I2S1_MCK (FG3)."
      },
      {
        "number": "17",
        "name": "PC2",
        "type": "bidirectional",
        "description": "GPIO PC2 with ADC123_IN12 analog input, EIRQ2, TIM6_8_PWMA, SDIO2_D7, USBHS_ULPI_DIR, ETH_MII_TXD2, EXMC_CE0 and SPI2_MISO (FG3)."
      },
      {
        "number": "18",
        "name": "PC3",
        "type": "bidirectional",
        "description": "GPIO PC3 with ADC123_IN13 and CMP1_INM4 analog functions, EIRQ3, SDIO1_WP, USBHS_ULPI_NXT, ETH_MII_TXCLK, EXMC_ALE and SPI2_MOSI (FG3)."
      },
      {
        "number": "19",
        "name": "VCC",
        "type": "power_in",
        "description": "Digital supply, 1.8 V to 3.6 V; decouple to VSS with nearby capacitors."
      },
      {
        "number": "20",
        "name": "AVSS_VREFL",
        "type": "power_in",
        "description": "Analog ground shared with the VREFL reference ground; connect to the same voltage as VSS."
      },
      {
        "number": "21",
        "name": "VREFH",
        "type": "power_in",
        "description": "Analog reference voltage high; connect to a voltage not higher than AVCC, or short to AVCC if the ADC is unused."
      },
      {
        "number": "22",
        "name": "AVCC",
        "type": "power_in",
        "description": "Analog supply (1.8 V to 3.6 V) at the same voltage as VCC; short to VCC when analog modules are unused."
      },
      {
        "number": "23",
        "name": "PA0",
        "type": "bidirectional",
        "description": "GPIO PA0 with ADC123_IN0 and PGA_1 analog functions, EIRQ0/WKUP0_0, TIM4_2_OUH, TIMA_2/TIMA_5 PWM, SDIO2_D4, USART2_CTS; not 5 V tolerant (FG2)."
      },
      {
        "number": "24",
        "name": "PA1",
        "type": "bidirectional",
        "description": "GPIO PA1 with ADC123_IN1 and PGA_2 analog functions, EIRQ1, TIM4_2_OUL, SDIO2_D5, ETH_MII_RMII_RXCLK, USART2_RTS; not 5 V tolerant (FG2)."
      },
      {
        "number": "25",
        "name": "PA2",
        "type": "bidirectional",
        "description": "GPIO PA2 with ADC123_IN2 and PGA_3 analog functions, EIRQ2, TIM4_2_OVH, SDIO2_D6, ETH_SMI_MDIO, USART2_TX; not 5 V tolerant (FG2)."
      },
      {
        "number": "26",
        "name": "PA3",
        "type": "bidirectional",
        "description": "GPIO PA3 with ADC123_IN3, PGA123_VSS and CMP1_INP4 analog functions, EIRQ3, TIM4_2_OVL, SDIO2_D7, USBHS_ULPI_D0, USART2_RX (FG2)."
      },
      {
        "number": "27",
        "name": "AVSS",
        "type": "power_in",
        "description": "Analog ground; connect to the same voltage as VSS."
      },
      {
        "number": "28",
        "name": "AVCC",
        "type": "power_in",
        "description": "Analog supply (1.8 V to 3.6 V) at the same voltage as VCC; short to VCC when analog modules are unused."
      },
      {
        "number": "29",
        "name": "PA4",
        "type": "bidirectional",
        "description": "GPIO PA4 with ADC12_IN4, DAC1_OUT1 and CMP2_INP3 analog functions, EIRQ4, TIM4_2_OWH, KEYOUT0, USBHS_SOF, DVP_HSYNC, SPI1_NSS0 (FG1)."
      },
      {
        "number": "30",
        "name": "PA5",
        "type": "bidirectional",
        "description": "GPIO PA5 with ADC12_IN5, DAC1_OUT2 and CMP2_INP4 analog functions, EIRQ5, TIM4_2_OWL, KEYOUT1, USBHS_ULPI_CK, I2S1_MCK (FG1)."
      },
      {
        "number": "31",
        "name": "PA6",
        "type": "bidirectional",
        "description": "GPIO PA6 with ADC12_IN6, PGA_4 and CMP1_INP2 analog functions, EIRQ6, KEYOUT2, SDIO1_CMD, EXMC_ADD26, DVP_PIXCLK; not 5 V tolerant (FG1)."
      },
      {
        "number": "32",
        "name": "PA7",
        "type": "bidirectional",
        "description": "GPIO PA7 with ADC12_IN7, PGA4_VSS and CMP123_INM3 analog functions, EIRQ7, TIM4_1_OUL, KEYOUT3, SDIO2_WP, ETH_MII_RMII_RXDV, EXMC_ADD27 (FG1)."
      },
      {
        "number": "33",
        "name": "PC4",
        "type": "bidirectional",
        "description": "GPIO PC4 with ADC12_IN14, DAC2_OUT1 and CMP2_INM4 analog functions, EIRQ4, USART1_CK, SDIO2_CD, ETH_MII_RMII_RXD0, EXMC_ADD28 (FG1)."
      },
      {
        "number": "34",
        "name": "PC5",
        "type": "bidirectional",
        "description": "GPIO PC5 with ADC12_IN15, DAC2_OUT2 and CMP3_INM4 analog functions, EIRQ5, SDIO2_CMD, ETH_MII_RMII_RXD1, EXMC_ADD29 (FG1)."
      },
      {
        "number": "35",
        "name": "PB0",
        "type": "bidirectional",
        "description": "GPIO PB0 with ADC12_IN8 and CMP3_INP2 analog functions, EIRQ0, TIM4_1_OVL, KEYOUT4, SDIO2_CMD, USBHS_ULPI_D1, ETH_MII_RXD2 (FG1)."
      },
      {
        "number": "36",
        "name": "PB1",
        "type": "bidirectional",
        "description": "GPIO PB1 with ADC12_IN9 and CMP3_INP3 analog functions, EIRQ1/WKUP0_1, KEYOUT5, SDIO2_D3, USBHS_ULPI_D2, ETH_MII_RXD3, QSPI_NSS (FG1)."
      },
      {
        "number": "37",
        "name": "PB2",
        "type": "bidirectional",
        "description": "GPIO PB2 or PVD2EXINP (PVD2 external comparison voltage input) with EIRQ2/WKUP0_2, VCOUT, SDIO2_D2, EXMC_CLE, QSPI_IO3 (FG1)."
      },
      {
        "number": "38",
        "name": "PE7",
        "type": "bidirectional",
        "description": "GPIO PE7 with EIRQ7, ADTRG1, TIM4_1_CLK, USART1_CK, EXMC_DATA4 and SPI4_NSS1 alternate functions (FG2)."
      },
      {
        "number": "39",
        "name": "PE8",
        "type": "bidirectional",
        "description": "GPIO PE8 with EIRQ8, CTCREF, TIM4_1_OUL, EXMC_DATA5 and SPI4_NSS2 alternate functions (FG2)."
      },
      {
        "number": "40",
        "name": "PE9",
        "type": "bidirectional",
        "description": "GPIO PE9 with EIRQ9, ADTRG3, TIM4_1_OUH, EXMC_DATA6 and SPI4_NSS3 alternate functions (FG2)."
      },
      {
        "number": "41",
        "name": "PE10",
        "type": "bidirectional",
        "description": "GPIO PE10 with CMP1_INP3 analog input, EIRQ10, TIM4_1_OVL, EXMC_DATA7 (FG3)."
      },
      {
        "number": "42",
        "name": "PE11",
        "type": "bidirectional",
        "description": "GPIO PE11 with EIRQ11, TIM4_1_OVH, USBHS_ULPI_D7, EXMC_DATA8 (FG3)."
      },
      {
        "number": "43",
        "name": "PE12",
        "type": "bidirectional",
        "description": "GPIO PE12 with CMP4_INM3 analog input, EIRQ12, TIM4_1_OWL, USBHS_ULPI_CK, EXMC_DATA9, SPI1_NSS1 (FG3)."
      },
      {
        "number": "44",
        "name": "PE13",
        "type": "bidirectional",
        "description": "GPIO PE13 with CMP4_INM4 analog input, EIRQ13, TIM4_1_OWH, USBHS_ULPI_D0, EXMC_DATA10, I2S4_SDIN (FG3)."
      },
      {
        "number": "45",
        "name": "PE14",
        "type": "bidirectional",
        "description": "GPIO PE14 with CMP4_INP3 analog input, EIRQ14, TIM4_1_CLK, SDIO1_CD, USBHS_ULPI_D1, EXMC_DATA11, I2S4_EXCK (FG3)."
      },
      {
        "number": "46",
        "name": "PE15",
        "type": "bidirectional",
        "description": "GPIO PE15 with CMP4_INP4 analog input, EIRQ15, TIM4_1_PCT, USART10_CK, SDIO1_WP, USBHS_ULPI_D2, EXMC_DATA12, I2S4_MCK (FG3)."
      },
      {
        "number": "47",
        "name": "PB10",
        "type": "bidirectional",
        "description": "GPIO PB10 with EIRQ10, ADTRG2, TIM4_2_OVH, SDIO1_D7, USBHS_ULPI_D3, ETH_MII_RXER, QSPI_IO2, SPI2_SCK (FG3)."
      },
      {
        "number": "48",
        "name": "PB11",
        "type": "bidirectional",
        "description": "GPIO PB11 with EIRQ11, TIM4_1_ADSM, EMB_PORT2, USBHS_ULPI_D4, ETH_MII_RMII_TXEN (FG3)."
      },
      {
        "number": "49",
        "name": "VCAP_1",
        "type": "passive",
        "description": "Core voltage regulator capacitor pin; connect 0.047 µF or 0.1 µF (ESR < 0.3 Ω) close to VSS."
      },
      {
        "number": "50",
        "name": "VCC",
        "type": "power_in",
        "description": "Digital supply, 1.8 V to 3.6 V; decouple to VSS with nearby capacitors."
      },
      {
        "number": "51",
        "name": "PB12",
        "type": "bidirectional",
        "description": "GPIO PB12 with EIRQ12, VCOUT1, TIM4_2_OVL, USART3_CK, SDIO2_D1, USBHS_ULPI_D5, ETH_MII_RMII_TXD0, USBHS_ID, QSPI_IO1, SPI2_NSS0 (FG1)."
      },
      {
        "number": "52",
        "name": "PB13",
        "type": "bidirectional",
        "description": "GPIO PB13 with EIRQ13, VCOUT2, TIM4_1_OUL, USART3_CTS, SDIO2_D0, USBHS_ULPI_D6, ETH_MII_RMII_TXD1, USBHS_VBUS, QSPI_IO0 (FG1)."
      },
      {
        "number": "53",
        "name": "PB14",
        "type": "bidirectional",
        "description": "GPIO PB14 or USBHS_DM (USB on-chip full-speed PHY D-) with EIRQ14, VCOUT3, USART3_RTS, SDIO1_D6, I2S1_SDIN, QSPI_SCK; not 5 V tolerant (FG1)."
      },
      {
        "number": "54",
        "name": "PB15",
        "type": "bidirectional",
        "description": "GPIO PB15 or USBHS_DP (USB on-chip full-speed PHY D+) with EIRQ15, RTC_OUT, USART3_CK, SDIO1_CK; not 5 V tolerant (FG1)."
      },
      {
        "number": "55",
        "name": "PD8",
        "type": "bidirectional",
        "description": "GPIO PD8 with EIRQ8, VCOUT4, TIM4_3_OUL, USART1_CTS, KEYOUT7, USBHS_DRVVBUS, EXMC_DATA13, QSPI_IO0 (FG1)."
      },
      {
        "number": "56",
        "name": "PD9",
        "type": "bidirectional",
        "description": "GPIO PD9 with EIRQ9, VCOUT3, TIM4_3_OVL, USART1_RTS, KEYOUT6, USBHS_ULPI_D4, EXMC_DATA14, QSPI_IO1 (FG1)."
      },
      {
        "number": "57",
        "name": "PD10",
        "type": "bidirectional",
        "description": "GPIO PD10 with EIRQ10, CAN2_TST_SAMPLE, TIM4_3_OWL, USART3_CK, KEYOUT5, EXMC_DATA15, I2S2_EXCK, QSPI_IO2 (FG1)."
      },
      {
        "number": "58",
        "name": "PD11",
        "type": "bidirectional",
        "description": "GPIO PD11 with EIRQ11, CAN2_TST_CLOCK, TIM4_3_CLK, USART3_CTS, KEYOUT4, EXMC_ADD16, I2S2_MCK, QSPI_IO3 (FG1)."
      },
      {
        "number": "59",
        "name": "PD12",
        "type": "bidirectional",
        "description": "GPIO PD12 with EIRQ12, TIM4_1_ADSM, USART3_RTS, EXMC_ADD17 and TIMA_4/TIMA_11 alternate functions (FG3)."
      },
      {
        "number": "60",
        "name": "PD13",
        "type": "bidirectional",
        "description": "GPIO PD13 with EIRQ13, TIM4_1_PCT, USART9_RTS, EXMC_ADD18 and TIMA_4/TIMA_11 alternate functions (FG3)."
      },
      {
        "number": "61",
        "name": "PD14",
        "type": "bidirectional",
        "description": "GPIO PD14 with EIRQ14, ADTRG1, USART9_CTS, EXMC_DATA0, I2S4_EXCK (FG3)."
      },
      {
        "number": "62",
        "name": "PD15",
        "type": "bidirectional",
        "description": "GPIO PD15 with EIRQ15, ADTRG2, USART9_CK, EXMC_DATA1, I2S4_MCK (FG3)."
      },
      {
        "number": "63",
        "name": "PC6",
        "type": "bidirectional",
        "description": "GPIO PC6 with EIRQ6, CTCREF, TIM4_2_OUH, KEYOUT3, SDIO1_D6, DVP_DATA0, I2S1_MCK, QSPI_SCK, USART6_TX (FG3)."
      },
      {
        "number": "64",
        "name": "PC7",
        "type": "bidirectional",
        "description": "GPIO PC7 with EIRQ7, TIM4_2_OVH, KEYOUT2, SDIO1_D7, DVP_DATA1, I2S2_MCK, QSPI_NSS, USART6_RX (FG3)."
      },
      {
        "number": "65",
        "name": "PC8",
        "type": "bidirectional",
        "description": "GPIO PC8 with EIRQ8, TIM4_2_OWH, USART8_CK, KEYOUT1, SDIO1_D0, DVP_DATA2, I2S2_MCK, USART6_CK (FG2)."
      },
      {
        "number": "66",
        "name": "PC9",
        "type": "bidirectional",
        "description": "GPIO PC9 with EIRQ9, MCO_2, TIM4_2_OWL, KEYOUT0, SDIO1_D1, USBFS_DRVVBUS, EXMC_CLE, DVP_DATA3, I2S3_EXCK (FG2)."
      },
      {
        "number": "67",
        "name": "PA8",
        "type": "bidirectional",
        "description": "GPIO PA8 with EIRQ8/WKUP2_0, MCO_1, TIM4_1_OUH, USART4_CK, SDIO1_D1, USBFS_SOF, I2S3_MCK, USART1_CK (FG2)."
      },
      {
        "number": "68",
        "name": "PA9",
        "type": "bidirectional",
        "description": "GPIO PA9 with EIRQ9/WKUP2_1, TIM4_1_OVH, SDIO1_D2, USBFS_VBUS, DVP_DATA0, I2S3_SDIN, USART1_TX (FG2)."
      },
      {
        "number": "69",
        "name": "PA10",
        "type": "bidirectional",
        "description": "GPIO PA10 with EIRQ10/WKUP2_2, TIM4_1_OWH, SDIO1_CD, USBFS_ID, DVP_DATA1, USART1_RX (FG2)."
      },
      {
        "number": "70",
        "name": "PA11",
        "type": "bidirectional",
        "description": "GPIO PA11 or USBFS_DM (USB full-speed PHY D-) with EIRQ11/WKUP2_3, TIM4_1_CLK, USART4_CTS, SDIO2_CD, USART1_CTS; not 5 V tolerant (FG2)."
      },
      {
        "number": "71",
        "name": "PA12",
        "type": "bidirectional",
        "description": "GPIO PA12 or USBFS_DP (USB full-speed PHY D+) with EIRQ12/WKUP3_0, TIM4_3_OWL, USART4_RTS, SDIO2_WP, USART1_RTS; not 5 V tolerant (FG2)."
      },
      {
        "number": "72",
        "name": "PA13",
        "type": "bidirectional",
        "description": "GPIO PA13 or JTMS_SWDIO (JTAG/SWD debug data) with EIRQ13, SDIO2_D3 and SPI2_NSS1 alternate functions (FG2)."
      },
      {
        "number": "73",
        "name": "VCAP_2",
        "type": "passive",
        "description": "Core voltage regulator capacitor pin; connect 0.047 µF or 0.1 µF (ESR < 0.3 Ω) close to VSS."
      },
      {
        "number": "74",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground (0 V); decouple close to the paired VCC pin."
      },
      {
        "number": "75",
        "name": "VCC",
        "type": "power_in",
        "description": "Digital supply, 1.8 V to 3.6 V; decouple to VSS with nearby capacitors."
      },
      {
        "number": "76",
        "name": "PA14",
        "type": "bidirectional",
        "description": "GPIO PA14 or JTCK_SWCLK (JTAG/SWD debug clock) with EIRQ14/WKUP3_2, USART2_RTS, SDIO2_D2, I2S1_EXCK, SPI2_NSS2 (FG1)."
      },
      {
        "number": "77",
        "name": "PA15",
        "type": "bidirectional",
        "description": "GPIO PA15 or JTDI (JTAG data input) with EIRQ15/WKUP3_3, USART2_CTS, SDIO2_D1, I2S1_MCK, SPI2_NSS3, SPI1_NSS0 (FG1)."
      },
      {
        "number": "78",
        "name": "PC10",
        "type": "bidirectional",
        "description": "GPIO PC10 with EIRQ10, CAN1_TST_SAMPLE, TIM4_3_OUH, USART2_CK, SDIO1_D2, DVP_DATA8, I2S2_CK, SPI3_SCK, USART4_TX (FG3)."
      },
      {
        "number": "79",
        "name": "PC11",
        "type": "bidirectional",
        "description": "GPIO PC11 with EIRQ11, CAN1_TST_CLOCK, TIM4_3_OVH, KEYOUT0, SDIO1_D3, DVP_DATA4, I2S2_SDIN, SPI3_MISO, USART4_RX (FG3)."
      },
      {
        "number": "80",
        "name": "PC12",
        "type": "bidirectional",
        "description": "GPIO PC12 with EIRQ12, TIM4_3_OWH, USART3_CK, KEYOUT1, SDIO1_CK, DVP_DATA9, I2S2_SD, SPI3_MOSI, USART5_TX (FG3)."
      },
      {
        "number": "81",
        "name": "PD0",
        "type": "bidirectional",
        "description": "GPIO PD0 with EIRQ0, VCOUT, TIM4_3_OUL, USART8_CTS, KEYOUT2, EXMC_DATA2 (FG3)."
      },
      {
        "number": "82",
        "name": "PD1",
        "type": "bidirectional",
        "description": "GPIO PD1 with EIRQ1, TIM4_3_OVL, USART8_RTS, KEYOUT3, EXMC_DATA3 (FG3)."
      },
      {
        "number": "83",
        "name": "PD2",
        "type": "bidirectional",
        "description": "GPIO PD2 with EIRQ2, VCOUT4, TIM4_3_OWL, USART7_CTS, KEYOUT4, SDIO1_CMD, DVP_DATA11, USART5_RX (FG3)."
      },
      {
        "number": "84",
        "name": "PD3",
        "type": "bidirectional",
        "description": "GPIO PD3 with EIRQ3, VCOUT1, USART5_CTS, KEYOUT5, EXMC_CLK, DVP_DATA5, SPI2_SCK, USART2_CTS (FG3)."
      },
      {
        "number": "85",
        "name": "PD4",
        "type": "bidirectional",
        "description": "GPIO PD4 with EIRQ4, VCOUT2, EMB_PORT4, USART5_RTS, KEYOUT6, EXMC_OE, DVP_DATA12, USART2_RTS (FG2)."
      },
      {
        "number": "86",
        "name": "PD5",
        "type": "bidirectional",
        "description": "GPIO PD5 with EIRQ5, VCOUT3, USART7_RTS, KEYOUT7, EXMC_WE, SPI6_NSS1, USART2_TX (FG2)."
      },
      {
        "number": "87",
        "name": "PD6",
        "type": "bidirectional",
        "description": "GPIO PD6 with EIRQ6, ADTRG1, TIM4_2_CLK, USART7_CK, EXMC_RB0, DVP_DATA10, I2S2_SD, SPI6_NSS2, SPI3_MOSI, USART2_RX (FG2)."
      },
      {
        "number": "88",
        "name": "PD7",
        "type": "bidirectional",
        "description": "GPIO PD7 with EIRQ7, ADTRG2, EMB_PORT1, USART5_CK, EXMC_CE0, SPI6_NSS3, USART2_CK (FG2)."
      },
      {
        "number": "89",
        "name": "PB3",
        "type": "bidirectional",
        "description": "GPIO PB3 or JTDO_TRACESWO (JTAG data output/trace SWO) with EIRQ3/WKUP0_3, FCMREF, TIM4_3_CLK, SDIO2_D0 (FG1)."
      },
      {
        "number": "90",
        "name": "PB4",
        "type": "bidirectional",
        "description": "GPIO PB4 or NJTRST (JTAG reset) with EIRQ4/WKUP1_0, TIM4_3_OWL, SDIO1_D0, DVP_DATA13, I2S2_SDIN (FG1)."
      },
      {
        "number": "91",
        "name": "PB5",
        "type": "bidirectional",
        "description": "GPIO PB5 with EIRQ5/WKUP1_1, ADTRG3, TIM4_3_OWH, SDIO1_D3, USBHS_ULPI_D7, ETH_PPS_OUT, EXMC_ALE, DVP_DATA10, I2S4_EXCK, SPI3_NSS3 (FG1)."
      },
      {
        "number": "92",
        "name": "PB6",
        "type": "bidirectional",
        "description": "GPIO PB6 with EIRQ6/WKUP1_2, ADTRG2, TIM4_3_OVL, SDIO2_CK, ETH_MII_TXCLK, EXMC_CE1, DVP_DATA5, I2S4_MCK, SPI3_NSS2 (FG1)."
      },
      {
        "number": "93",
        "name": "PB7",
        "type": "bidirectional",
        "description": "GPIO PB7 with EIRQ7/WKUP1_3, ADTRG1, TIM4_3_OVH, SDIO1_D0, ETH_MII_TXER, EXMC_ADV, DVP_VSYNC, I2S2_EXCK, SPI3_NSS1 (FG1)."
      },
      {
        "number": "94",
        "name": "PI13/MD",
        "type": "bidirectional",
        "description": "Mode input MD, which must be held low when NRST is released (4.7 kΩ pull-down to VSS recommended); also GPIO PI13 with USART3_TX."
      },
      {
        "number": "95",
        "name": "PB8",
        "type": "bidirectional",
        "description": "GPIO PB8 with EIRQ8, TIM4_3_OUL, USART1_CK, KEYOUT7, SDIO1_D4, USBFS_DRVVBUS, ETH_MII_TXD3, DVP_DATA6, I2S2_MCK, SPI2_NSS0 (FG1)."
      },
      {
        "number": "96",
        "name": "PB9",
        "type": "bidirectional",
        "description": "GPIO PB9 with EIRQ9, TIM4_3_OUH, USART1_CTS, KEYOUT6, SDIO1_D5, ETH_MII_TXD2, DVP_DATA7, I2S2_SDIN, SPI2_NSS1/NSS0 (FG1)."
      },
      {
        "number": "97",
        "name": "PE0",
        "type": "bidirectional",
        "description": "GPIO PE0 with EIRQ0, MCO_1, TIM4_3_PCT, USART1_RTS, ETH_MII_RMII_TXD1, EXMC_CE4, DVP_DATA2, SPI2_NSS2, USART8_RX (FG1)."
      },
      {
        "number": "98",
        "name": "PE1",
        "type": "bidirectional",
        "description": "GPIO PE1 with EIRQ1, MCO_2, TIM4_3_CLK, ETH_MII_RMII_TXD0, EXMC_CE5, DVP_DATA3, SPI2_NSS3, USART8_TX (FG1)."
      },
      {
        "number": "99",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground (0 V); decouple close to the paired VCC pin."
      },
      {
        "number": "100",
        "name": "VCC",
        "type": "power_in",
        "description": "Digital supply, 1.8 V to 3.6 V; decouple to VSS with nearby capacitors."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin types for VCAP_1/VCAP_2 set to passive (external core-voltage capacitor pins); VBAT, VREFH, AVSS; Alternate-function lists are abbreviated from the wide table 2-1, whose text extraction is column-mi"
        ],
        "pages_sent": 83,
        "cost_usd": 0.9075,
        "at": "2026-10-22T23:01:43"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/996e299c324e516e3e15972be3ee3003.pdf",
        "pages": 139,
        "sha256": "876919ca5e4e26d1",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 100,
        "described": 100,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "hc32f4a0pgtb-lqfp100.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          16.0,
          16.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "51720097260ffba41c3062f85f67623721102fa535901c47cb555a1f444feeb3",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "hc32f4a0pgtb-lqfp100-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          16.0,
          16.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "aa829c3da89f668586f16c38958e8d6013e10cb4aad55974b1108917d483808c",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}