HC32F002C4UB-ZFN20TR

{
  "slug": "hc32f002c4ub-zfn20tr",
  "version": "0.1.0",
  "type": "component",
  "description": "XHSC Microcontrollers (MCU/MPU/SOC), QFN-20-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "hc32f002c4ub-zfn20tr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "hc32f002c4ub-zfn20tr.kicad_sym",
    "hc32f002c4ub-zfn20tr.kicad_mod",
    "hc32f002c4ub-zfn20tr.glb",
    "hc32f002c4ub-zfn20tr.step",
    "hc32f002c4ub-zfn20tr.lbr",
    "docs/hero.png",
    "docs/hc32f002c4ub-zfn20tr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "hc32f002c4ub-zfn20tr-hero.glb",
    "hc32f002c4ub-zfn20tr-hero.overlay.json"
  ],
  "component": {
    "mpn": "HC32F002C4UB-ZFN20TR",
    "manufacturer": "XHSC",
    "package": "QFN-20-EP(3x3)",
    "pin_count": 21,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589040661756850176",
    "parts": {
      "symbol": "hc32f002c4ub-zfn20tr.kicad_sym",
      "footprint": "hc32f002c4ub-zfn20tr.kicad_mod",
      "model_3d": "hc32f002c4ub-zfn20tr-hero.glb",
      "model_3d_plain": "hc32f002c4ub-zfn20tr.glb",
      "model_3d_step": "hc32f002c4ub-zfn20tr-etched.step",
      "model_3d_step_plain": "hc32f002c4ub-zfn20tr.step",
      "lbr": "hc32f002c4ub-zfn20tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C963561"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T19:01:52Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RESETB/PA00",
        "type": "input",
        "description": "Active-low external reset input with internal pull-up and glitch filter; a low level must last more than 20 µs (typ.) to reliably reset the MCU, and PA00 has no alternate digital functions."
      },
      {
        "number": "2",
        "name": "PA01",
        "type": "bidirectional",
        "description": "GPIO PA01 with alternate functions LPUART0_RXD, I2C_SDA, GTIM_TOGP and HCLK_OUT, and ADC input AIN7; it can also be used as the external clock input (1-16 MHz) when SysCtrl.CR2.EXTEN is set."
      },
      {
        "number": "3",
        "name": "PA02",
        "type": "bidirectional",
        "description": "GPIO PA02 with alternate functions LPUART0_TXD, I2C_SCL, GTIM_TOGN and LVD_OUT, and ADC input AIN8."
      },
      {
        "number": "4",
        "name": "AVSS/DVSS",
        "type": "power_in",
        "description": "Analog and digital ground, both tied to this pin on the package; must be connected to the external supply ground."
      },
      {
        "number": "5",
        "name": "PA04",
        "type": "bidirectional",
        "description": "GPIO PA04 with alternate functions GTIM_TOGP, LVD_OUT and SPI_NSS."
      },
      {
        "number": "6",
        "name": "AVCC/DVCC",
        "type": "power_in",
        "description": "Analog and digital supply, tied together on this pin; the datasheet specifies 1.7-5.5 V operation, requires AVCC and DVCC at the same voltage, and needs decoupling placed close to the pin."
      },
      {
        "number": "7",
        "name": "PA03",
        "type": "bidirectional",
        "description": "GPIO PA03 with alternate functions GTIM_CH2, SPI_NSS, CTRIM_ETR, CTRIM_TOG, and LVD monitor input LVD_IN0."
      },
      {
        "number": "8",
        "name": "PB05",
        "type": "bidirectional",
        "description": "GPIO PB05 with alternate functions I2C_SDA, ATIM3_BK, CTRIM_ETR and CTRIM_TOG, and ADC input AIN9."
      },
      {
        "number": "9",
        "name": "PB04",
        "type": "bidirectional",
        "description": "GPIO PB04 with alternate functions I2C_SCL, ATIM3_CH2B and LPUART0_CTS, and ADC input AIN10; PB04-PB05 and PC03-PC04 have double drive capability in this package."
      },
      {
        "number": "10",
        "name": "PC03",
        "type": "bidirectional",
        "description": "GPIO PC03 with alternate functions ATIM3_CH2A, ATIM3_CH0B and LPUART0_RTS, LVD monitor input LVD_IN1, and ADC external reference input ADC_ExRef."
      },
      {
        "number": "11",
        "name": "PC04",
        "type": "bidirectional",
        "description": "GPIO PC04 with alternate functions ATIM3_CH0B, ATIM3_CH1B and TCLK_OUT, and ADC input AIN0."
      },
      {
        "number": "12",
        "name": "PC05",
        "type": "bidirectional",
        "description": "GPIO PC05 with alternate functions SPI_SCK, GTIM_CH3 and ATIM3_ETR."
      },
      {
        "number": "13",
        "name": "PC06",
        "type": "bidirectional",
        "description": "GPIO PC06 with alternate functions SPI_MOSI, ATIM3_CH0A and LPUART1_RTS, and ADC input AIN1; it is a digital input without pull-up after reset."
      },
      {
        "number": "14",
        "name": "PC07",
        "type": "bidirectional",
        "description": "GPIO PC07 that is the SWDIO debug data pin by default (input with pull-up after reset), with alternate functions SPI_MISO, ATIM3_CH1A and LPUART0_RXD; SWD can be released to GPIO via SysCtrl.CR1.SWDIO."
      },
      {
        "number": "15",
        "name": "PD01",
        "type": "bidirectional",
        "description": "GPIO PD01 that is the SWCLK debug clock pin by default (input with pull-up after reset), with alternate functions GTIM_ETR, ATIM3_BK and LPUART0_TXD; SWD can be released to GPIO via SysCtrl.CR1.SWDIO."
      },
      {
        "number": "16",
        "name": "PD02",
        "type": "bidirectional",
        "description": "GPIO PD02 with alternate functions GTIM_CH2, ATIM3_CH2A and LPUART1_CTS, and ADC input AIN2."
      },
      {
        "number": "17",
        "name": "PD03",
        "type": "bidirectional",
        "description": "GPIO PD03 with alternate functions GTIM_CH1, ATIM3_CH1A and LPUART1_RXD, and ADC input AIN3."
      },
      {
        "number": "18",
        "name": "PD04",
        "type": "bidirectional",
        "description": "GPIO PD04 with alternate functions GTIM_CH0, LPUART1_TXD and SPI_SCK, ADC input AIN4, and LVD monitor input LVD_IN2."
      },
      {
        "number": "19",
        "name": "PD05",
        "type": "bidirectional",
        "description": "GPIO PD05 with alternate functions LPUART1_TXD, ATIM3_CH0A and SPI_MISO, and ADC input AIN5."
      },
      {
        "number": "20",
        "name": "PD06",
        "type": "bidirectional",
        "description": "GPIO PD06 with alternate functions LPUART1_RXD, GTIM_ETR and SPI_MOSI, and ADC input AIN6."
      },
      {
        "number": "21",
        "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: The exposed thermal pad on the QFN-20 package is not given a pin number and its electrical connectio; Pin 1 is labelled 'PA00 - RESETB' in table 2.2 (digital column '-', analog column 'RESETB'); it is r; Table 2.2 lists some digital functions inconsistently across packages (e.g., LPUART1_TXD appears on ",
          "exposed pad 21 added from the footprint"
        ],
        "pages_sent": 169,
        "cost_usd": 0.5639,
        "at": "2026-10-09T18:59:39"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589040661756850176",
        "pages": 415,
        "sha256": "a46a63adb2016518",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 21,
        "described": 21,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "hc32f002c4ub-zfn20tr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          0.52
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "0ee4e1082236390795238cd34b082d96efd160d6292c636cc40201a5a30cdc63",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "hc32f002c4ub-zfn20tr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          0.52
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7216ff3d022a98c4c87e27886681bcf52684ac05fa8c63a3f5b5497558c47007",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}