HC32F420JATB-LQ48

{
  "schema_version": 1,
  "type": "component",
  "slug": "hc32f420jatb-lq48",
  "title": "HC32F420JATB-LQ48",
  "brief": "XHSC Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). 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",
    "hc32f420jatb-lq48",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "HC32F420JATB-LQ48",
    "manufacturer": "XHSC",
    "package": "LQFP-48(7x7)",
    "pin_count": 48,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603180612228427776",
    "parts": {
      "symbol": "hc32f420jatb-lq48.kicad_sym",
      "footprint": "hc32f420jatb-lq48.kicad_mod",
      "model_3d": "hc32f420jatb-lq48-hero.glb",
      "model_3d_plain": "hc32f420jatb-lq48-etched.glb",
      "model_3d_step": "hc32f420jatb-lq48-etched.step",
      "model_3d_step_plain": "hc32f420jatb-lq48.step",
      "lbr": "hc32f420jatb-lq48.lbr"
    },
    "distributor_links": {
      "lcsc": "C5907209"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T06:48:07Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PD03",
        "type": "bidirectional",
        "description": "GPIO PD03 with alternate functions ATIM0_BK, CTIM0_CH0, CTIM1_TOGP, ATIM3_BK and USART2_TXD; port resets to analog input state."
      },
      {
        "number": "2",
        "name": "PC13",
        "type": "bidirectional",
        "description": "GPIO PC13 that doubles as LVD voltage-detect input LVDIN0, with alternate functions SPI0_SCK, CTIM2_CH0, I2C1_SCL, ATIM3_CH0A and USART3_NCTS."
      },
      {
        "number": "3",
        "name": "PC14",
        "type": "bidirectional",
        "description": "GPIO PC14 with alternate functions SPI0_MISO, CTIM2_CH1, I2C1_SDA, ATIM3_CH1A and USART3_NRTS."
      },
      {
        "number": "4",
        "name": "PC15",
        "type": "bidirectional",
        "description": "GPIO PC15 with alternate functions SPI0_MOSI, CTIM2_ETR, ATIM3_CH2A and USART3_SCK."
      },
      {
        "number": "5",
        "name": "PD00",
        "type": "bidirectional",
        "description": "GPIO PD00 shared with the XTH oscillator input XTHI (8-32 MHz crystal/resonator), with alternate functions SPI0_CS, CTIM0_CH2, I2C0_SCL, ATIM3_CH0B and I2C1_SCL."
      },
      {
        "number": "6",
        "name": "PD01",
        "type": "bidirectional",
        "description": "GPIO PD01 shared with the XTH oscillator output XTHO, with alternate functions LVD_OUT, CTIM0_CH3, I2C0_SDA, ATIM3_CH2B and I2C1_SDA."
      },
      {
        "number": "7",
        "name": "NRESET",
        "type": "input",
        "description": "Active-low reset input (CMOS, 200 mV Schmitt hysteresis) with a non-disconnectable weak pull-up of about 80 kΩ; VIH min 0.8·VCC, VIL max 0.8 V."
      },
      {
        "number": "8",
        "name": "AVSS",
        "type": "power_in",
        "description": "Analog ground for the ADC, voltage comparator and analog circuits; ground-pin difference to VSS must not exceed 50 mV."
      },
      {
        "number": "9",
        "name": "AVCC",
        "type": "power_in",
        "description": "Analog supply, 2.0-5.5 V, must be the same as DVCC (at most 300 mV difference during power-up and operation)."
      },
      {
        "number": "10",
        "name": "PA00",
        "type": "bidirectional",
        "description": "GPIO PA00 with analog input AIN0/VCIN0, alternate functions ATIM0_ETR, CTIM0_CH0, CTIM0_ETR, VC0_OUT and USART1_NCTS."
      },
      {
        "number": "11",
        "name": "PA01",
        "type": "bidirectional",
        "description": "GPIO PA01 with analog input AIN1/VCIN1, alternate functions MCO, CTIM0_CH1, SPI1_CS, USART2_NCTS and USART1_NRTS."
      },
      {
        "number": "12",
        "name": "PA02",
        "type": "bidirectional",
        "description": "GPIO PA02 with analog input AIN2/VCIN2, alternate functions CTIM1_TOGN, CTIM0_CH2, VC1_OUT, USART3_NRTS and USART1_TXD."
      },
      {
        "number": "13",
        "name": "PA03",
        "type": "bidirectional",
        "description": "GPIO PA03 with analog input AIN3/VCIN3, alternate functions LVD_OUT, CTIM0_CH3, SPI1_SCK, USART3_TXD and USART1_RXD."
      },
      {
        "number": "14",
        "name": "PA04",
        "type": "bidirectional",
        "description": "GPIO PA04 with analog input AIN4/VCIN4, alternate functions ATIM3_CH0A, PCLK0_OUT, SPI0_CS, USART3_RXD and USART1_SCK."
      },
      {
        "number": "15",
        "name": "PA05",
        "type": "bidirectional",
        "description": "GPIO PA05 with analog input AIN5/VCIN5, alternate functions ATIM3_CH1A, CTIM0_CH0, CTIM0_ETR, USART3_NCTS and SPI0_SCK."
      },
      {
        "number": "16",
        "name": "PA06",
        "type": "bidirectional",
        "description": "GPIO PA06 with analog input AIN6, alternate functions ATIM3_CH2A, USART2_RXD, CTIM1_CH0, ATIM3_BK and SPI0_MISO."
      },
      {
        "number": "17",
        "name": "PA07",
        "type": "bidirectional",
        "description": "GPIO PA07 with analog input AIN7, alternate functions ATIM3_CH0B, USART3_TXD, CTIM1_CH1, USART2_NRTS and SPI0_MOSI."
      },
      {
        "number": "18",
        "name": "PB00",
        "type": "bidirectional",
        "description": "GPIO PB00 with analog input AIN8/VCIN6, alternate functions ATIM3_CH1B, CTIM2_ETR, CTIM1_CH2, ATIM0_CH0A and USART3_SCK."
      },
      {
        "number": "19",
        "name": "PB01",
        "type": "bidirectional",
        "description": "GPIO PB01 with analog input AIN9/ExRef/VCIN7 (ExRef is the external ADC reference), alternate functions ATIM3_CH2B, CTIM2_TOGP, CTIM1_CH3, ATIM0_CH0B and PCLK1_OUT."
      },
      {
        "number": "20",
        "name": "PB02",
        "type": "bidirectional",
        "description": "GPIO PB02 with alternate functions CTIM0_CH3, CTIM2_TOGN, ATIM3_GATE, ATIM0_GATE and USART2_RXD."
      },
      {
        "number": "21",
        "name": "PB10",
        "type": "bidirectional",
        "description": "GPIO PB10 with alternate functions CTIM0_CH2, I2C1_SCL and USART2_TXD."
      },
      {
        "number": "22",
        "name": "VCAP",
        "type": "power_out",
        "description": "Output of the internal LDO that supplies the core; for internal circuit use only and requires an external decoupling capacitor as given in the power supply scheme (Section 6.1.3)."
      },
      {
        "number": "23",
        "name": "DVSS",
        "type": "power_in",
        "description": "Digital ground; ground-pin difference to VSS must not exceed 50 mV."
      },
      {
        "number": "24",
        "name": "DVCC",
        "type": "power_in",
        "description": "Digital supply, 2.0-5.5 V standard operating voltage, must match AVCC within 300 mV."
      },
      {
        "number": "25",
        "name": "PB12",
        "type": "bidirectional",
        "description": "GPIO PB12 with analog input VCIN8, alternate functions I2C0_SCL, ATIM3_BK, CTRIM_ETRTOG, SPI1_CS and USART2_SCK."
      },
      {
        "number": "26",
        "name": "PB13",
        "type": "bidirectional",
        "description": "GPIO PB13 with alternate functions I2C0_SDA, ATIM3_CH0B, SPI1_SCK and USART2_NCTS."
      },
      {
        "number": "27",
        "name": "PB14",
        "type": "bidirectional",
        "description": "GPIO PB14 with alternate functions ATIM3_CH1B, CTIM1_TOGP, SPI1_MISO and USART2_NRTS."
      },
      {
        "number": "28",
        "name": "PB15",
        "type": "bidirectional",
        "description": "GPIO PB15 with alternate functions MCO, ATIM3_CH2B, CTIM1_TOGN and SPI1_MOSI."
      },
      {
        "number": "29",
        "name": "PA08",
        "type": "bidirectional",
        "description": "GPIO PA08 with alternate functions CTIM0_TOGP, ATIM3_CH0A, CTRIM_ETRTOG, USART3_RXD and USART0_SCK."
      },
      {
        "number": "30",
        "name": "PA09",
        "type": "bidirectional",
        "description": "GPIO PA09 with alternate functions CTIM0_TOGN, ATIM3_CH1A, ATIM0_BK, CTIM1_CH2 and USART0_TXD."
      },
      {
        "number": "31",
        "name": "PA10",
        "type": "bidirectional",
        "description": "GPIO PA10 with alternate functions I2C1_SCL, ATIM3_CH2A, ATIM0_CH0A, CTIM1_CH3 and USART0_RXD."
      },
      {
        "number": "32",
        "name": "PA11",
        "type": "bidirectional",
        "description": "GPIO PA11 with alternate functions VC0_OUT, ATIM3_GATE, ATIM0_CH0B, USART1_NCTS and USART0_NCTS."
      },
      {
        "number": "33",
        "name": "PA12",
        "type": "bidirectional",
        "description": "GPIO PA12 with alternate functions VC1_OUT, ATIM3_ETR, ATIM0_GATE, USART1_NRTS and USART0_NRTS."
      },
      {
        "number": "34",
        "name": "PA13",
        "type": "bidirectional",
        "description": "GPIO PA13 with alternate functions ATIM3_BK, CTIM2_CH2, ATIM0_ETR, USART1_RXD and I2C0_SCL."
      },
      {
        "number": "35",
        "name": "DVSS",
        "type": "power_in",
        "description": "Digital ground; ground-pin difference to VSS must not exceed 50 mV."
      },
      {
        "number": "36",
        "name": "DVCC",
        "type": "power_in",
        "description": "Digital supply, 2.0-5.5 V standard operating voltage, must match AVCC within 300 mV."
      },
      {
        "number": "37",
        "name": "PA14",
        "type": "bidirectional",
        "description": "GPIO PA14 with alternate functions CTIM0_CH1, CTIM2_CH3, USART2_SCK, USART1_TXD and I2C0_SDA."
      },
      {
        "number": "38",
        "name": "PA15",
        "type": "bidirectional",
        "description": "GPIO PA15 with alternate functions SPI0_CS, CTIM1_CH0, CTIM1_ETR, USART1_SCK and USART0_TXD."
      },
      {
        "number": "39",
        "name": "PB03",
        "type": "bidirectional",
        "description": "GPIO PB03 with alternate functions CTIM0_CH1, USART0_RXD, I2C1_SDA, ATIM3_CH1B and SPI0_SCK."
      },
      {
        "number": "40",
        "name": "PB04",
        "type": "bidirectional",
        "description": "GPIO PB04 with analog input VCIN9, alternate functions CTIM1_CH0, CTIM2_TOGP, PCLK0_OUT, ATIM3_CH2B and SPI0_MISO."
      },
      {
        "number": "41",
        "name": "PB05",
        "type": "bidirectional",
        "description": "GPIO PB05 with analog input VCIN10, alternate functions CTIM1_CH1, CTIM2_TOGN, USART3_SCK, USART2_TXD and SPI0_MOSI."
      },
      {
        "number": "42",
        "name": "PB06",
        "type": "bidirectional",
        "description": "GPIO PB06 with alternate functions USART0_TXD, CTIM2_CH0, SPI1_MISO, I2C0_SCL and USART2_RXD."
      },
      {
        "number": "43",
        "name": "PB07",
        "type": "bidirectional",
        "description": "GPIO PB07 that doubles as LVD voltage-detect input LVDIN1, with alternate functions USART0_RXD, CTIM2_CH1, SPI1_MOSI, I2C0_SDA and PCLK1_OUT."
      },
      {
        "number": "44",
        "name": "PB11/BOOT0",
        "type": "bidirectional",
        "description": "Pin shared by GPIO PB11 and BOOT0; during power-up, external RESET and LVD reset, BOOT0 high enters ISP (online programming) mode and BOOT0 low selects normal operation."
      },
      {
        "number": "45",
        "name": "PB08",
        "type": "bidirectional",
        "description": "GPIO PB08 that doubles as LVD voltage-detect input LVDIN2, with alternate functions CTRIM_ETRTOG, CTIM2_CH2, I2C0_SCL and ATIM0_BK."
      },
      {
        "number": "46",
        "name": "PB09",
        "type": "bidirectional",
        "description": "GPIO PB09 with alternate functions SPI1_CS, CTIM2_CH3, I2C0_SDA and I2C1_SDA."
      },
      {
        "number": "47",
        "name": "DVSS",
        "type": "power_in",
        "description": "Digital ground; ground-pin difference to VSS must not exceed 50 mV."
      },
      {
        "number": "48",
        "name": "DVCC",
        "type": "power_in",
        "description": "Digital supply, 2.0-5.5 V standard operating voltage, must match AVCC within 300 mV."
      }
    ],
    "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 LQFP48 pin mapping was taken from the LQFP48 column of Table 4-1 (pp. 24-26) and cross-checked a; Pin 44 is printed as 'PB11/BOOT0' in Table 4-1 and labelled BOOT0 in Figure 4-2. It is listed as a s; Pins 5 and 6 are shared between GPIO PD00/PD01 and the XTH oscillator pins XTHI/XTHO. They are typed"
        ],
        "pages_sent": 48,
        "cost_usd": 0.1981,
        "at": "2026-10-18T06:45:52"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603180612228427776",
        "pages": 66,
        "sha256": "c5ceedab630019d8",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 48,
        "described": 48,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "hc32f420jatb-lq48.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9,
          9,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "9dea352d93177c2904afd7d7b68ea8855ce1ab691f69f8b3e13655600514b6bf",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "hc32f420jatb-lq48-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9,
          9,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "206e69e3117512d7be593ebb3c9ebae8be8035f4c8113486653cfbf7d72dadb9",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "XHSC",
      "Package": "LQFP-48(7x7)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "48"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "c5ceedab630019d854388491a06bcebef436a694220164bd18f68ede0400fea9",
      "rows": [
        {
          "name": "外部输入电压范围",
          "symbol": "Vex",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "检测阈值",
          "symbol": "Vlevel",
          "kind": "electrical",
          "unit": "V",
          "min": 1.7,
          "typ": 1.8,
          "max": 1.9,
          "conditions": "LVD_CR.VTDS = 0b0000",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "检测阈值",
          "symbol": "Vlevel",
          "kind": "electrical",
          "unit": "V",
          "min": 1.8,
          "typ": 1.9,
          "max": 2,
          "conditions": "LVD_CR.VTDS = 0b0001",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "检测阈值",
          "symbol": "Vlevel",
          "kind": "electrical",
          "unit": "V",
          "min": 1.89,
          "typ": 2,
          "max": 2.11,
          "conditions": "LVD_CR.VTDS = 0b0010",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "检测阈值",
          "symbol": "Vlevel",
          "kind": "electrical",
          "unit": "V",
          "min": 1.98,
          "typ": 2.1,
          "max": 2.22,
          "conditions": "LVD_CR.VTDS = 0b0011",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "检测阈值",
          "symbol": "Vlevel",
          "kind": "electrical",
          "unit": "V",
          "min": 2.08,
          "typ": 2.2,
          "max": 2.32,
          "conditions": "LVD_CR.VTDS = 0b0100",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "检测阈值",
          "symbol": "Vlevel",
          "kind": "electrical",
          "unit": "V",
          "min": 2.17,
          "typ": 2.3,
          "max": 2.43,
          "conditions": "LVD_CR.VTDS = 0b0101",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "检测阈值",
          "symbol": "Vlevel",
          "kind": "electrical",
          "unit": "V",
          "min": 2.27,
          "typ": 2.4,
          "max": 2.53,
          "conditions": "LVD_CR.VTDS = 0b0110",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "检测阈值",
          "symbol": "Vlevel",
          "kind": "electrical",
          "unit": "V",
          "min": 2.36,
          "typ": 2.5,
          "max": 2.64,
          "conditions": "LVD_CR.VTDS = 0b0111",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "检测阈值",
          "symbol": "Vlevel",
          "kind": "electrical",
          "unit": "V",
          "min": 2.46,
          "typ": 2.6,
          "max": 2.74,
          "conditions": "LVD_CR.VTDS = 0b1000",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "检测阈值",
          "symbol": "Vlevel",
          "kind": "electrical",
          "unit": "V",
          "min": 2.55,
          "typ": 2.7,
          "max": 2.85,
          "conditions": "LVD_CR.VTDS = 0b1001",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "检测阈值",
          "symbol": "Vlevel",
          "kind": "electrical",
          "unit": "V",
          "min": 2.65,
          "typ": 2.8,
          "max": 2.95,
          "conditions": "LVD_CR.VTDS = 0b1010",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "检测阈值",
          "symbol": "Vlevel",
          "kind": "electrical",
          "unit": "V",
          "min": 2.74,
          "typ": 2.9,
          "max": 3.06,
          "conditions": "LVD_CR.VTDS = 0b1011",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "检测阈值",
          "symbol": "Vlevel",
          "kind": "electrical",
          "unit": "V",
          "min": 2.84,
          "typ": 3,
          "max": 3.17,
          "conditions": "LVD_CR.VTDS = 0b1100",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "检测阈值",
          "symbol": "Vlevel",
          "kind": "electrical",
          "unit": "V",
          "min": 2.93,
          "typ": 3.1,
          "max": 3.27,
          "conditions": "LVD_CR.VTDS = 0b1101",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "检测阈值",
          "symbol": "Vlevel",
          "kind": "electrical",
          "unit": "V",
          "min": 3.02,
          "typ": 3.2,
          "max": 3.38,
          "conditions": "LVD_CR.VTDS = 0b1110",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "检测阈值",
          "symbol": "Vlevel",
          "kind": "electrical",
          "unit": "V",
          "min": 3.12,
          "typ": 3.3,
          "max": 3.48,
          "conditions": "LVD_CR.VTDS = 0b1111",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "Internal 2.5v Reference Voltage",
          "symbol": "VREF25",
          "kind": "electrical",
          "unit": "V",
          "min": 2.475,
          "typ": 2.5,
          "max": 2.525,
          "conditions": "常温 25°C VCC=3.3V",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "Internal 2.5v Reference Voltage",
          "symbol": "VREF25",
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