HC32F452KETB-LQFP64

{
  "schema_version": 1,
  "type": "component",
  "slug": "hc32f452ketb-lqfp64",
  "title": "HC32F452KETB-LQFP64",
  "brief": "XHSC Microcontrollers (MCU/MPU/SOC), LQFP-64(10x10). 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",
    "hc32f452ketb-lqfp64",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "HC32F452KETB-LQFP64",
    "manufacturer": "XHSC",
    "package": "LQFP-64(10x10)",
    "pin_count": 64,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590457748766171136",
    "parts": {
      "symbol": "hc32f452ketb-lqfp64.kicad_sym",
      "footprint": "hc32f452ketb-lqfp64.kicad_mod",
      "model_3d": "hc32f452ketb-lqfp64-hero.glb",
      "model_3d_plain": "hc32f452ketb-lqfp64-etched.glb",
      "model_3d_step": "hc32f452ketb-lqfp64-etched.step",
      "model_3d_step_plain": "hc32f452ketb-lqfp64.step",
      "lbr": "hc32f452ketb-lqfp64.lbr"
    },
    "distributor_links": {
      "lcsc": "C5263758"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T23:11:24Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PH2",
        "type": "bidirectional",
        "description": "General-purpose I/O PH2 with pull-up and push-pull/open-drain output at low/medium/high drive, 5 V tolerant as a digital input; alternate functions include FCMREF and I2S3_EXCK."
      },
      {
        "number": "2",
        "name": "PC13",
        "type": "bidirectional",
        "description": "General-purpose I/O PC13 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; alternate functions include RTC_OUT (1 Hz output) and I2S3_MCK."
      },
      {
        "number": "3",
        "name": "PC14/XTAL32_OUT",
        "type": "output",
        "description": "Output of the 32.768 kHz external low-speed oscillator (XTAL32_OUT) that drives the crystal; the pin also serves as GPIO PC14 (EIRQ14) with 5 V tolerant digital input."
      },
      {
        "number": "4",
        "name": "PC15/XTAL32_IN",
        "type": "input",
        "description": "Input of the 32.768 kHz external low-speed oscillator (XTAL32_IN); the pin also serves as GPIO PC15 (EIRQ15) with 5 V tolerant digital input."
      },
      {
        "number": "5",
        "name": "PH0/XTAL_EXT/XTAL_OUT",
        "type": "bidirectional",
        "description": "Main oscillator pin used as XTAL_OUT for a crystal or as XTAL_EXT external clock input (1 to 25 MHz) in bypass mode; the pin also serves as GPIO PH0 (EIRQ0)."
      },
      {
        "number": "6",
        "name": "PH1/XTAL_IN",
        "type": "bidirectional",
        "description": "Main crystal oscillator input XTAL_IN for a 4 to 25 MHz crystal or ceramic resonator; the pin also serves as GPIO PH1 (EIRQ1)."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "input",
        "description": "Active-low reset input; tie to VCC through a pull-up resistor when not used, and the minimum low pulse width is 500 ns."
      },
      {
        "number": "8",
        "name": "PC0/ADC12_IN10",
        "type": "bidirectional",
        "description": "General-purpose I/O PC0 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; ADC12_IN10 analog input (also CMP3_INP3) must not exceed VREFH/AVCC."
      },
      {
        "number": "9",
        "name": "PC1/ADC12_IN11",
        "type": "bidirectional",
        "description": "General-purpose I/O PC1 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; ADC12_IN11 analog input must not exceed VREFH/AVCC."
      },
      {
        "number": "10",
        "name": "PC2/ADC1_IN12",
        "type": "bidirectional",
        "description": "General-purpose I/O PC2 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; ADC1_IN12 analog input must not exceed VREFH/AVCC."
      },
      {
        "number": "11",
        "name": "PC3/ADC1_IN13",
        "type": "bidirectional",
        "description": "General-purpose I/O PC3 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; ADC1_IN13 analog input (also CMP1_INM2) must not exceed VREFH/AVCC."
      },
      {
        "number": "12",
        "name": "AVSS/VREFL",
        "type": "power_in",
        "description": "Analog ground and low reference voltage, equal to VSS (AVSS = VSS); short to VSS when the analog modules are not used."
      },
      {
        "number": "13",
        "name": "AVCC/VREFH",
        "type": "power_in",
        "description": "Analog supply equal to VCC (1.8 to 3.6 V) that also serves as ADC reference VREFH, which must not be higher than AVCC; short to AVCC when the ADC is not used."
      },
      {
        "number": "14",
        "name": "PA0/ADC1_IN0",
        "type": "bidirectional",
        "description": "General-purpose I/O PA0 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; ADC1_IN0 analog input (also CMP1_INP1) must not exceed VREFH/AVCC."
      },
      {
        "number": "15",
        "name": "PA1/ADC1_IN1",
        "type": "bidirectional",
        "description": "General-purpose I/O PA1 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; ADC1_IN1 analog input must not exceed VREFH/AVCC."
      },
      {
        "number": "16",
        "name": "PA2/ADC1_IN2",
        "type": "bidirectional",
        "description": "General-purpose I/O PA2 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; ADC1_IN2 analog input must not exceed VREFH/AVCC."
      },
      {
        "number": "17",
        "name": "PA3/ADC1_IN3",
        "type": "bidirectional",
        "description": "General-purpose I/O PA3 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; ADC1_IN3 analog input (also PGAVSS and CMP1_INP4) must not exceed VREFH/AVCC."
      },
      {
        "number": "18",
        "name": "AVSS",
        "type": "power_in",
        "description": "Analog ground, equal to VSS; connect to the ground plane with the analog decoupling capacitors."
      },
      {
        "number": "19",
        "name": "AVCC",
        "type": "power_in",
        "description": "Analog supply, must be at the same voltage as VCC (1.8 to 3.6 V) and decoupled to AVSS."
      },
      {
        "number": "20",
        "name": "PA4/ADC12_IN4",
        "type": "bidirectional",
        "description": "General-purpose I/O PA4 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; ADC12_IN4 analog input (also CMP2_INP1 and CMP3_INP4) must not exceed VREFH/AVCC."
      },
      {
        "number": "21",
        "name": "PA5/ADC12_IN5",
        "type": "bidirectional",
        "description": "General-purpose I/O PA5 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; ADC12_IN5 analog input (also CMP2_INP2) must not exceed VREFH/AVCC."
      },
      {
        "number": "22",
        "name": "PA6/ADC12_IN6",
        "type": "bidirectional",
        "description": "General-purpose I/O PA6 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; ADC12_IN6 analog input (also CMP2_INP3) must not exceed VREFH/AVCC."
      },
      {
        "number": "23",
        "name": "PA7/ADC12_IN7",
        "type": "bidirectional",
        "description": "General-purpose I/O PA7 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; ADC12_IN7 analog input (also CMP1_INM1, CMP2_INM1, CMP3_INM1) must not exceed VREFH/AVCC."
      },
      {
        "number": "24",
        "name": "PC4/ADC1_IN14",
        "type": "bidirectional",
        "description": "General-purpose I/O PC4 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; ADC1_IN14 analog input (also CMP2_INM2) must not exceed VREFH/AVCC."
      },
      {
        "number": "25",
        "name": "PC5/ADC1_IN15",
        "type": "bidirectional",
        "description": "General-purpose I/O PC5 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; ADC1_IN15 analog input (also CMP3_INM2) must not exceed VREFH/AVCC."
      },
      {
        "number": "26",
        "name": "PB0/ADC12_IN8",
        "type": "bidirectional",
        "description": "General-purpose I/O PB0 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; ADC12_IN8 analog input (also CMP3_INP1) must not exceed VREFH/AVCC."
      },
      {
        "number": "27",
        "name": "PB1/ADC12_IN9",
        "type": "bidirectional",
        "description": "General-purpose I/O PB1 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; ADC12_IN9 analog input (also CMP3_INP2) must not exceed VREFH/AVCC."
      },
      {
        "number": "28",
        "name": "PB2/PVD2EXINP",
        "type": "bidirectional",
        "description": "General-purpose I/O PB2 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; it also serves as the external PVD2 comparison voltage input PVD2EXINP."
      },
      {
        "number": "29",
        "name": "PB10",
        "type": "bidirectional",
        "description": "General-purpose I/O PB10 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; alternate functions include ADTRG2 and QSPI_QSIO2."
      },
      {
        "number": "30",
        "name": "VCAP_1",
        "type": "power_out",
        "description": "Core-voltage pin that must be decoupled with a capacitor close to VSS; for a device with only VCAP_1 the capacitor is 0.1 µF or 0.22 µF with ESR below 0.3 Ω."
      },
      {
        "number": "31",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin at 0 V, the reference for all supply and signal voltages."
      },
      {
        "number": "32",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply pin, 1.8 V to 3.6 V, to be decoupled to a nearby VSS pin."
      },
      {
        "number": "33",
        "name": "PB12",
        "type": "bidirectional",
        "description": "General-purpose I/O PB12 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; alternate functions include VCOUT1, QSPI_QSIO1 and I2S3_MCK."
      },
      {
        "number": "34",
        "name": "PB13",
        "type": "bidirectional",
        "description": "General-purpose I/O PB13 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; alternate functions include VCOUT2, QSPI_QSIO0 and SDIO2_D0."
      },
      {
        "number": "35",
        "name": "PB14",
        "type": "bidirectional",
        "description": "General-purpose I/O PB14 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; alternate functions include VCOUT3, QSPI_QSCK and SDIO1_D6."
      },
      {
        "number": "36",
        "name": "PB15",
        "type": "bidirectional",
        "description": "General-purpose I/O PB15 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; alternate functions include RTC_OUT, USART3_CK and SDIO1_CK."
      },
      {
        "number": "37",
        "name": "PC6",
        "type": "bidirectional",
        "description": "General-purpose I/O PC6 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; alternate functions include QSPI_QSCK, KEYOUT3 and SDIO1_D6."
      },
      {
        "number": "38",
        "name": "PC7",
        "type": "bidirectional",
        "description": "General-purpose I/O PC7 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; alternate functions include QSPI_QSSN, KEYOUT2 and I2S2_EXCK."
      },
      {
        "number": "39",
        "name": "PC8",
        "type": "bidirectional",
        "description": "General-purpose I/O PC8 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; alternate functions include USART3_CK, KEYOUT1 and I2S2_MCK."
      },
      {
        "number": "40",
        "name": "PC9",
        "type": "bidirectional",
        "description": "General-purpose I/O PC9 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; alternate functions include MCO_2, KEYOUT0 and SDIO1_D1."
      },
      {
        "number": "41",
        "name": "PA8",
        "type": "bidirectional",
        "description": "General-purpose I/O PA8 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; alternate functions include MCO_1, USART1_CK and USBFS_SOF."
      },
      {
        "number": "42",
        "name": "PA9/USBFS_VBUS",
        "type": "bidirectional",
        "description": "General-purpose I/O PA9 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; alternate function USBFS_VBUS is the USB FS VBUS signal."
      },
      {
        "number": "43",
        "name": "PA10/USBFS_ID",
        "type": "bidirectional",
        "description": "General-purpose I/O PA10 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; alternate function USBFS_ID is the USB FS ID signal."
      },
      {
        "number": "44",
        "name": "PA11/USBFS_DM",
        "type": "bidirectional",
        "description": "USB FS D- line of the on-chip full-speed PHY with pull-up support; this pin is not 5 V tolerant, and its input voltage must stay between VSS-0.3 V and 4.0 V."
      },
      {
        "number": "45",
        "name": "PA12/USBFS_DP",
        "type": "bidirectional",
        "description": "USB FS D+ line of the on-chip full-speed PHY with pull-up support; this pin is not 5 V tolerant, and its input voltage must stay between VSS-0.3 V and 4.0 V."
      },
      {
        "number": "46",
        "name": "PA13/JTMS_SWDIO",
        "type": "bidirectional",
        "description": "Serial-wire debug data pin SWDIO (JTAG TMS) that is also GPIO PA13, 5 V tolerant as a digital input."
      },
      {
        "number": "47",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin at 0 V, the reference for all supply and signal voltages."
      },
      {
        "number": "48",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply pin, 1.8 V to 3.6 V, to be decoupled to a nearby VSS pin."
      },
      {
        "number": "49",
        "name": "PA14/JTCK_SWCLK",
        "type": "input",
        "description": "Serial-wire debug clock input SWCLK (JTAG TCK) that is also GPIO PA14, 5 V tolerant as a digital input."
      },
      {
        "number": "50",
        "name": "PA15/JTDI",
        "type": "input",
        "description": "JTAG data input JTDI that is also GPIO PA15, 5 V tolerant as a digital input."
      },
      {
        "number": "51",
        "name": "PC10",
        "type": "bidirectional",
        "description": "General-purpose I/O PC10 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; alternate functions include TIMA_5_PWM1 and SDIO1_D2."
      },
      {
        "number": "52",
        "name": "PC11",
        "type": "bidirectional",
        "description": "General-purpose I/O PC11 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; alternate functions include TIMA_2_PWM8 and SDIO1_D3."
      },
      {
        "number": "53",
        "name": "PC12",
        "type": "bidirectional",
        "description": "General-purpose I/O PC12 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; alternate functions include TIMA_4_TRIG and SDIO1_CK."
      },
      {
        "number": "54",
        "name": "PD2",
        "type": "bidirectional",
        "description": "General-purpose I/O PD2 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; alternate functions include TIMA_2_PWM4, TIMA_6_PWM6 and SDIO1_CMD."
      },
      {
        "number": "55",
        "name": "PB3/JTDO_TRACESWO",
        "type": "output",
        "description": "JTAG data output JTDO / SWO trace output that is also GPIO PB3, 5 V tolerant as a digital input."
      },
      {
        "number": "56",
        "name": "PB4/NJTRST",
        "type": "input",
        "description": "JTAG reset input NJTRST that is also GPIO PB4 (EIRQ4/WKUP1_0), 5 V tolerant as a digital input."
      },
      {
        "number": "57",
        "name": "PB5",
        "type": "bidirectional",
        "description": "General-purpose I/O PB5 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; alternate functions include EIRQ5/WKUP1_1, SDIO1_D3 and I2S4_EXCK."
      },
      {
        "number": "58",
        "name": "PB6",
        "type": "bidirectional",
        "description": "General-purpose I/O PB6 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; alternate functions include ADTRG2, SDIO2_CK and I2S4_MCK."
      },
      {
        "number": "59",
        "name": "PB7",
        "type": "bidirectional",
        "description": "General-purpose I/O PB7 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; alternate functions include ADTRG1 and SDIO1_D0."
      },
      {
        "number": "60",
        "name": "PB11/MD",
        "type": "input",
        "description": "Mode input that is fixed as an input and must be held high when NRST is released; a 4.7 kΩ pull-up to VCC is recommended, and the pin is input-only and 5 V tolerant."
      },
      {
        "number": "61",
        "name": "PB8",
        "type": "bidirectional",
        "description": "General-purpose I/O PB8 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; alternate functions include KEYOUT7, SDIO1_D4 and USBFS_DRVVBUS."
      },
      {
        "number": "62",
        "name": "PB9",
        "type": "bidirectional",
        "description": "General-purpose I/O PB9 with pull-up and push-pull/open-drain output, 5 V tolerant as a digital input; alternate functions include SPI2_SS1, KEYOUT6 and SDIO1_D5."
      },
      {
        "number": "63",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin at 0 V, the reference for all supply and signal voltages."
      },
      {
        "number": "64",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply pin, 1.8 V to 3.6 V, to be decoupled to a nearby VSS pin."
      }
    ],
    "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 50 is printed as PA15/JTDI in Table 2-1 but as PA15/TDI in the LQFP64 pin diagram; the table nam; Section 2.3 lists VCAP_1 as IO (core voltage node). It is classified here as power_out because it is; These pins combine analog supply with reference functions (AVSS/VREFL, AVCC/VREFH). They are classif",
          "1/64 pins cited to the wrong page (name found elsewhere): ['30:VCAP_1@p44']"
        ],
        "pages_sent": 68,
        "cost_usd": 0.3068,
        "at": "2026-10-17T23:09:31"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590457748766171136",
        "pages": 97,
        "sha256": "66fdc58cad687d2f",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 64,
        "described": 64,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "hc32f452ketb-lqfp64.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b0c827bc5c05552175d28affe44a5bd2ab45c9c36efff6ff07a74cc449b13db4",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "hc32f452ketb-lqfp64-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "213bdb8819d8ab3c7bb775a01bdd7041babfaf119d075a71034b1fe40d7d4b06",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "XHSC",
      "Package": "LQFP-64(10x10)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "64"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "66fdc58cad687d2f9697db94b5a55e8032f41859062789bb834828ad8a8b4b82",
      "rows": [
        {
          "name": "Supply voltage (system power)",
          "symbol": "Vcc",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.8,
          "typ": null,
          "max": 3.6,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating ambient temperature range (industrial, suffix B)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 105,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Maximum CPU operating frequency",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
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