HC32F452JEUB-QFN48TR

{
  "slug": "hc32f452jeub-qfn48tr",
  "version": "0.1.0",
  "type": "component",
  "description": "XHSC Microcontrollers (MCU/MPU/SOC), QFN-48(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "hc32f452jeub-qfn48tr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "hc32f452jeub-qfn48tr.kicad_sym",
    "hc32f452jeub-qfn48tr.kicad_mod",
    "hc32f452jeub-qfn48tr.glb",
    "hc32f452jeub-qfn48tr.step",
    "hc32f452jeub-qfn48tr.lbr",
    "docs/hero.png",
    "docs/hc32f452jeub-qfn48tr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "hc32f452jeub-qfn48tr-hero.glb",
    "hc32f452jeub-qfn48tr-hero.overlay.json",
    "hc32f452jeub-qfn48tr-etched.glb"
  ],
  "component": {
    "mpn": "HC32F452JEUB-QFN48TR",
    "manufacturer": "XHSC",
    "package": "QFN-48(5x5)",
    "pin_count": 49,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590455031234531328",
    "parts": {
      "symbol": "hc32f452jeub-qfn48tr.kicad_sym",
      "footprint": "hc32f452jeub-qfn48tr.kicad_mod",
      "model_3d": "hc32f452jeub-qfn48tr-hero.glb",
      "model_3d_plain": "hc32f452jeub-qfn48tr-etched.glb",
      "model_3d_step": "hc32f452jeub-qfn48tr-etched.step",
      "model_3d_step_plain": "hc32f452jeub-qfn48tr.step",
      "lbr": "hc32f452jeub-qfn48tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C5263757"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T23:10:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PH2",
        "type": "bidirectional",
        "description": "GPIO PH2 (also EIRQ2, FCMREF, TIM4_2_CLK, SDIO2_D4, I2S3_EXCK); supports pull-up, push-pull/open-drain and low/mid/high drive, and is 5 V tolerant as a digital input."
      },
      {
        "number": "2",
        "name": "PC13",
        "type": "bidirectional",
        "description": "GPIO PC13 (also EIRQ13, RTC_OUT, SDIO2_CK, I2S3_MCK); supports pull-up, push-pull/open-drain and low/mid/high drive, and is 5 V tolerant as a digital input."
      },
      {
        "number": "3",
        "name": "PC14/XTAL32_OUT",
        "type": "output",
        "description": "32.768 kHz crystal oscillator output (XTAL32_OUT) that drives the external 32 kHz resonator; the pin can alternatively be used as GPIO PC14 or EIRQ14."
      },
      {
        "number": "4",
        "name": "PC15/XTAL32_IN",
        "type": "input",
        "description": "32.768 kHz crystal oscillator input (XTAL32_IN) for the external 32 kHz resonator; the pin can alternatively be used as GPIO PC15 or EIRQ15."
      },
      {
        "number": "5",
        "name": "PH0/XTAL_EXT/XTAL_OUT",
        "type": "bidirectional",
        "description": "Main high-speed oscillator pin (XTAL_OUT or external clock input XTAL_EXT, 1-25 MHz external clock, 4-25 MHz crystal); also GPIO PH0 and EIRQ0, and 5 V tolerant as a digital input."
      },
      {
        "number": "6",
        "name": "PH1/XTAL_IN",
        "type": "bidirectional",
        "description": "Main high-speed oscillator input (XTAL_IN) for a 4-25 MHz crystal or resonator; also GPIO PH1 and EIRQ1."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "input",
        "description": "Reset pin, active low; when unused it should be connected to VCC through a pull-up resistor."
      },
      {
        "number": "8",
        "name": "AVSS/VREFL",
        "type": "power_in",
        "description": "Analog ground and low ADC reference; connect to VSS (AVSS = VSS) and short to VSS when the analog modules are not used."
      },
      {
        "number": "9",
        "name": "AVCC/VREFH",
        "type": "power_in",
        "description": "Analog supply, same voltage as VCC (1.8-3.6 V); the ADC reference VREFH must not exceed AVCC, and VAVCC-VREFH must stay below 1.2 V; short to AVCC when the ADC is not used."
      },
      {
        "number": "10",
        "name": "PA0",
        "type": "bidirectional",
        "description": "GPIO PA0 shared with ADC1_IN0 and CMP1_INP1; analog input voltage must not exceed VREFH/AVCC, and digital input is 5 V tolerant."
      },
      {
        "number": "11",
        "name": "PA1",
        "type": "bidirectional",
        "description": "GPIO PA1 shared with ADC1_IN1 and CMP1_INP2; analog input voltage must not exceed VREFH/AVCC, and digital input is 5 V tolerant."
      },
      {
        "number": "12",
        "name": "PA2",
        "type": "bidirectional",
        "description": "GPIO PA2 shared with ADC1_IN2 and CMP1_INP3; analog input voltage must not exceed VREFH/AVCC, and digital input is 5 V tolerant."
      },
      {
        "number": "13",
        "name": "PA3",
        "type": "bidirectional",
        "description": "GPIO PA3 shared with ADC1_IN3, PGAVSS and CMP1_INP4; analog input voltage must not exceed VREFH/AVCC, and digital input is 5 V tolerant."
      },
      {
        "number": "14",
        "name": "PA4",
        "type": "bidirectional",
        "description": "GPIO PA4 shared with ADC12_IN4, CMP2_INP1 and CMP3_INP4; analog input voltage must not exceed VREFH/AVCC, and digital input is 5 V tolerant."
      },
      {
        "number": "15",
        "name": "PA5",
        "type": "bidirectional",
        "description": "GPIO PA5 shared with ADC12_IN5 and CMP2_INP2; analog input voltage must not exceed VREFH/AVCC, and digital input is 5 V tolerant."
      },
      {
        "number": "16",
        "name": "PA6",
        "type": "bidirectional",
        "description": "GPIO PA6 shared with ADC12_IN6 and CMP2_INP3; analog input voltage must not exceed VREFH/AVCC, and digital input is 5 V tolerant."
      },
      {
        "number": "17",
        "name": "PA7",
        "type": "bidirectional",
        "description": "GPIO PA7 shared with ADC12_IN7, CMP1_INM1, CMP2_INM1 and CMP3_INM1; analog input voltage must not exceed VREFH/AVCC, and digital input is 5 V tolerant."
      },
      {
        "number": "18",
        "name": "PB0",
        "type": "bidirectional",
        "description": "GPIO PB0 shared with ADC12_IN8 and CMP3_INP1; analog input voltage must not exceed VREFH/AVCC, and digital input is 5 V tolerant."
      },
      {
        "number": "19",
        "name": "PB1",
        "type": "bidirectional",
        "description": "GPIO PB1 shared with ADC12_IN9, CMP3_INP2 and wake-up input WKUP0_1; analog input voltage must not exceed VREFH/AVCC, and digital input is 5 V tolerant."
      },
      {
        "number": "20",
        "name": "PB2/PVD2EXINP",
        "type": "bidirectional",
        "description": "GPIO PB2 that is also the external PVD2 comparison voltage input PVD2EXINP, WKUP0_2 and VCOUT123; digital input is 5 V tolerant."
      },
      {
        "number": "21",
        "name": "PB10",
        "type": "bidirectional",
        "description": "GPIO PB10 (also EIRQ10, ADTRG2, QSPI_QSIO2, SDIO1_D7, I2S3_EXCK); supports pull-up, open-drain and low/mid/high drive, and is 5 V tolerant as a digital input."
      },
      {
        "number": "22",
        "name": "VCAP_1",
        "type": "passive",
        "description": "Core-voltage regulator decoupling pin; connect a capacitor of 0.1 uF or 0.22 uF (single VCAP_1 part) between this pin and VSS placed close to the pin, with ESR below 0.3 ohm."
      },
      {
        "number": "23",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference (0 V); connect to the board ground and decouple with VCC near the pin."
      },
      {
        "number": "24",
        "name": "VCC",
        "type": "power_in",
        "description": "Main supply, 1.8 V to 3.6 V; decouple to VSS with the recommended capacitors placed close to the pin."
      },
      {
        "number": "25",
        "name": "PB12",
        "type": "bidirectional",
        "description": "GPIO PB12 (also EIRQ12, VCOUT1, QSPI_QSIO1, SDIO2_D1, I2S3_MCK); supports pull-up, open-drain and low/mid/high drive, and is 5 V tolerant as a digital input."
      },
      {
        "number": "26",
        "name": "PB13",
        "type": "bidirectional",
        "description": "GPIO PB13 (also EIRQ13, VCOUT2, QSPI_QSIO0, SDIO2_D0); supports pull-up, open-drain and low/mid/high drive, and is 5 V tolerant as a digital input."
      },
      {
        "number": "27",
        "name": "PB14",
        "type": "bidirectional",
        "description": "GPIO PB14 (also EIRQ14, VCOUT3, QSPI_QSCK, SDIO1_D6); supports pull-up, open-drain and low/mid/high drive, and is 5 V tolerant as a digital input."
      },
      {
        "number": "28",
        "name": "PB15",
        "type": "bidirectional",
        "description": "GPIO PB15 (also EIRQ15, RTC_OUT, USART3_CK, SDIO1_CK); supports pull-up, open-drain and low/mid/high drive, and is 5 V tolerant as a digital input."
      },
      {
        "number": "29",
        "name": "PA8",
        "type": "bidirectional",
        "description": "GPIO PA8 (also EIRQ8/WKUP2_0, MCO_1, USART1_CK, SDIO1_D1, USBFS_SOF); supports pull-up, open-drain and low/mid/high drive, and is 5 V tolerant as a digital input."
      },
      {
        "number": "30",
        "name": "PA9/USBFS_VBUS",
        "type": "bidirectional",
        "description": "GPIO PA9 that doubles as the USB FS VBUS sense input (USBFS_VBUS); supports pull-up, open-drain and low/mid/high drive, and is 5 V tolerant as a digital input."
      },
      {
        "number": "31",
        "name": "PA10/USBFS_ID",
        "type": "bidirectional",
        "description": "GPIO PA10 that doubles as the USB FS ID input (USBFS_ID); supports pull-up, open-drain and low/mid/high drive, and is 5 V tolerant as a digital input."
      },
      {
        "number": "32",
        "name": "PA11/USBFS_DM",
        "type": "bidirectional",
        "description": "USB FS D- signal of the on-chip full-speed PHY (USBFS_DM) also usable as GPIO PA11; it is not 5 V tolerant and its input voltage must stay within VCC+0.3 V with the internal pull-up/pull-down disabled above VCC+0.3 V."
      },
      {
        "number": "33",
        "name": "PA12/USBFS_DP",
        "type": "bidirectional",
        "description": "USB FS D+ signal of the on-chip full-speed PHY (USBFS_DP) also usable as GPIO PA12; it is not 5 V tolerant and its input voltage must stay within VCC+0.3 V."
      },
      {
        "number": "34",
        "name": "PA13/JTMS_SWDIO",
        "type": "bidirectional",
        "description": "JTAG TMS / SWD data I/O (JTMS_SWDIO) also usable as GPIO PA13; digital input is 5 V tolerant."
      },
      {
        "number": "35",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference (0 V); connect to the board ground and decouple with VCC near the pin."
      },
      {
        "number": "36",
        "name": "VCC",
        "type": "power_in",
        "description": "Main supply, 1.8 V to 3.6 V; decouple to VSS with the recommended capacitors placed close to the pin."
      },
      {
        "number": "37",
        "name": "PA14/JTCK_SWCLK",
        "type": "bidirectional",
        "description": "JTAG TCK / SWD clock (JTCK_SWCLK) also usable as GPIO PA14; digital input is 5 V tolerant."
      },
      {
        "number": "38",
        "name": "PA15/JTDI",
        "type": "bidirectional",
        "description": "JTAG data input (JTDI) also usable as GPIO PA15; digital input is 5 V tolerant."
      },
      {
        "number": "39",
        "name": "PB3/JTDO_TRACESWO",
        "type": "bidirectional",
        "description": "JTAG data output / SWO trace output (JTDO_TRACESWO) also usable as GPIO PB3; digital input is 5 V tolerant."
      },
      {
        "number": "40",
        "name": "PB4/NJTRST",
        "type": "bidirectional",
        "description": "JTAG reset input (NJTRST) also usable as GPIO PB4; digital input is 5 V tolerant."
      },
      {
        "number": "41",
        "name": "PB5",
        "type": "bidirectional",
        "description": "GPIO PB5 (also EIRQ5, WKUP1_1, I2S4_EXCK, SDIO1_D3); supports pull-up, open-drain and low/mid/high drive, and is 5 V tolerant as a digital input."
      },
      {
        "number": "42",
        "name": "PB6",
        "type": "bidirectional",
        "description": "GPIO PB6 (also EIRQ6, WKUP1_2, ADTRG2, I2S4_MCK, SDIO2_CK); supports pull-up, open-drain and low/mid/high drive, and is 5 V tolerant as a digital input."
      },
      {
        "number": "43",
        "name": "PB7",
        "type": "bidirectional",
        "description": "GPIO PB7 (also EIRQ7, WKUP1_3, ADTRG1, SDIO1_D0); supports pull-up, open-drain and low/mid/high drive, and is 5 V tolerant as a digital input."
      },
      {
        "number": "44",
        "name": "PB11/MD",
        "type": "input",
        "description": "Mode pin MD, fixed as input; it must be held high when NRST is released, and a 4.7 kOhm pull-up to VCC is recommended; PB11 is an input-only port pin and tolerates 5 V."
      },
      {
        "number": "45",
        "name": "PB8",
        "type": "bidirectional",
        "description": "GPIO PB8 (also EIRQ8, KEYOUT7, SDIO1_D4, USBFS_DRVVBUS); supports pull-up, open-drain and low/mid/high drive, and is 5 V tolerant as a digital input."
      },
      {
        "number": "46",
        "name": "PB9",
        "type": "bidirectional",
        "description": "GPIO PB9 (also EIRQ9, TIMA_6_TRIG, SPI2_SS1, KEYOUT6, SDIO1_D5); supports pull-up, open-drain and low/mid/high drive, and is 5 V tolerant as a digital input."
      },
      {
        "number": "47",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference (0 V); connect to the board ground and decouple with VCC near the pin."
      },
      {
        "number": "48",
        "name": "VCC",
        "type": "power_in",
        "description": "Main supply, 1.8 V to 3.6 V; decouple to VSS with the recommended capacitors placed close to the pin."
      },
      {
        "number": "49",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Section 2.3 classifies VCAP_1 as IO, but it is a regulator decoupling node; I mapped it to passive. ; Crystal and XTAL pins are multi-function. Types follow the Table 2-5 direction (XTAL32_OUT O, XTAL32; On QFN48 there is no separate VREFH pin. Pin 9 is printed as AVCC/VREFH and shares the ADC reference",
          "exposed pad 49 added from the footprint"
        ],
        "pages_sent": 68,
        "cost_usd": 0.3012,
        "at": "2026-10-18T23:08:56"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590455031234531328",
        "pages": 97,
        "sha256": "66fdc58cad687d2f",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 49,
        "described": 49,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "hc32f452jeub-qfn48tr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.0,
          5.0,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "bdef7330531c8a62fd1740be5d4ee88a2520275cd173f5de2a729248fb1c21a0",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "hc32f452jeub-qfn48tr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.0,
          5.0,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "fbb30b4778496750ecc1d8f9e310a0d162a0d41fc07d592fdc6c62f80d0894fc",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}