AT32F423CBT7

{
  "slug": "at32f423cbt7",
  "version": "0.1.0",
  "type": "component",
  "description": "ARTERY(雅特力) Microcontrollers (MCU/MPU/SOC), LQFP48. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "at32f423cbt7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "at32f423cbt7.kicad_sym",
    "at32f423cbt7.kicad_mod",
    "at32f423cbt7.glb",
    "at32f423cbt7.step",
    "at32f423cbt7.lbr",
    "docs/hero.png",
    "docs/at32f423cbt7-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "at32f423cbt7-hero.glb",
    "at32f423cbt7-hero.overlay.json",
    "at32f423cbt7-etched.glb"
  ],
  "component": {
    "mpn": "AT32F423CBT7",
    "manufacturer": "ARTERY(雅特力)",
    "package": "LQFP48",
    "pin_count": 48,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756343712567963648",
    "parts": {
      "symbol": "at32f423cbt7.kicad_sym",
      "footprint": "at32f423cbt7.kicad_mod",
      "model_3d": "at32f423cbt7-hero.glb",
      "model_3d_plain": "at32f423cbt7-etched.glb",
      "model_3d_step": "at32f423cbt7-etched.step",
      "model_3d_step_plain": "at32f423cbt7.step",
      "lbr": "at32f423cbt7.lbr"
    },
    "distributor_links": {
      "lcsc": "C6705024"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T11:37:30Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital power supply, 2.4 V to 3.6 V (VDD is the supply for GPIO, ERTC, LEXT, BPR and LDO; VDDA must be at the same potential as VDD)."
      },
      {
        "number": "2",
        "name": "PC13",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) supplied through a power switch that can source only 3 mA, so it must not be used as a current source such as an LED driver; also ERTC_OUT, TAMP1 and WKUP2, with usage limits given in the errata."
      },
      {
        "number": "3",
        "name": "PC14",
        "type": "bidirectional",
        "description": "Standard-level GPIO (TC, not 5 V-tolerant) supplied through the same 3 mA-limited power switch as PC13, with LEXT_IN as its additional function."
      },
      {
        "number": "4",
        "name": "PC15",
        "type": "bidirectional",
        "description": "Standard-level GPIO (TC, not 5 V-tolerant) supplied through the same 3 mA-limited power switch as PC13, with LEXT_OUT as its additional function."
      },
      {
        "number": "5",
        "name": "PF0",
        "type": "bidirectional",
        "description": "Standard-level GPIO (TC) whose additional function is the HEXT crystal input HEXT_IN; alternate functions include TMR1_CH1 and I2C1_SDA."
      },
      {
        "number": "6",
        "name": "PF1",
        "type": "bidirectional",
        "description": "Standard-level GPIO (TC) whose additional function is the HEXT crystal output HEXT_OUT; alternate functions include TMR1_CH2C, I2C1_SCL, SPI2_CS and I2S2_WS."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Active-low device reset input and internal reset output with a built-in weak pull-up (RPU typ. 40 kΩ), with VIL max 0.8 V and VIH min 2 V."
      },
      {
        "number": "8",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground for the ADC and DAC, which must be at the same potential as VSS."
      },
      {
        "number": "9",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply for the ADC and DAC, which must be equal to VDD (2.4 V to 3.6 V)."
      },
      {
        "number": "10",
        "name": "PA0",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO with analog function (FTa): when in analog mode the input must stay below VDD + 0.3 V; also ADC1_IN0 (fast channel), WKUP1 and TAMP2, plus TMR2_CH1 and USART2_RX/CTS."
      },
      {
        "number": "11",
        "name": "PA1",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO with analog function (FTa): in analog mode the input must stay below VDD + 0.3 V; also ADC1_IN1 (fast channel), TMR2_CH2, I2C2_SDA and SPI3_CS."
      },
      {
        "number": "12",
        "name": "PA2",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO with analog function (FTa): in analog mode the input must stay below VDD + 0.3 V; also ADC1_IN2, TMR2_CH3, USART2_TX and CAN2_RX."
      },
      {
        "number": "13",
        "name": "PA3",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO with analog function (FTa): in analog mode the input must stay below VDD + 0.3 V; also ADC1_IN3, TMR2_CH4, I2S2_MCK, USART2_RX and CAN2_TX."
      },
      {
        "number": "14",
        "name": "PA4",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO with analog function (FTa): in analog mode the input must stay below VDD + 0.3 V; also ADC1_IN4 and DAC1_OUT, with SPI1_CS, USART2_CK and OTGFS1_OE as alternate functions."
      },
      {
        "number": "15",
        "name": "PA5",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO with analog function (FTa): in analog mode the input must stay below VDD + 0.3 V; also ADC1_IN5 and DAC2_OUT, with SPI1_SCK, I2S1_CK and USART3_CK as alternate functions."
      },
      {
        "number": "16",
        "name": "PA6",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO with analog function (FTa): in analog mode the input must stay below VDD + 0.3 V; also ADC1_IN6, with TMR1_BRK, TMR3_CH1, SPI1_MISO and USART3_CTS as alternate functions."
      },
      {
        "number": "17",
        "name": "PA7",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO with analog function (FTa): in analog mode the input must stay below VDD + 0.3 V; also ADC1_IN7, with TMR1_CH1C, TMR3_CH2, SPI1_MOSI and USART3_TX as alternate functions."
      },
      {
        "number": "18",
        "name": "PB0",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO with analog function (FTa): in analog mode the input must stay below VDD + 0.3 V; also ADC1_IN8, with TMR1_CH2C, TMR3_CH3, SPI1_MISO and USART2_RX as alternate functions."
      },
      {
        "number": "19",
        "name": "PB1",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO with analog function (FTa): in analog mode the input must stay below VDD + 0.3 V; also ADC1_IN9, with TMR1_CH3C, TMR3_CH4, SPI1_MOSI and USART3_RTS_DE as alternate functions."
      },
      {
        "number": "20",
        "name": "PB2",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO with analog function (FTa): in analog mode the input must stay below VDD + 0.3 V; also ADC1_IN20, with TMR2_CH4, TMR3_EXT, I2C3_SMBA and SPI3_MOSI as alternate functions."
      },
      {
        "number": "21",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO with analog function (FTa): in analog mode the input must stay below VDD + 0.3 V; also ADC1_IN21, with TMR2_CH3, I2C2_SCL, SPI2_SCK, USART3_TX and XMC_NOE as alternate functions."
      },
      {
        "number": "22",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO with analog function (FTa): in analog mode the input must stay below VDD + 0.3 V; also ADC1_IN22, with TMR2_CH4, I2C2_SDA, USART3_RX and TMR13_BRK as alternate functions."
      },
      {
        "number": "23",
        "name": "PF8",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with TMR2_CH2, I2C2_SDA and USART7_TX as alternate functions."
      },
      {
        "number": "24",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital power supply, 2.4 V to 3.6 V."
      },
      {
        "number": "25",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO with analog function (FTa): in analog mode the input must stay below VDD + 0.3 V; also ADC1_IN23, with TMR1_BRK, SPI2_CS, USART3_CK and CAN2_RX as alternate functions."
      },
      {
        "number": "26",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO with analog function (FTa): in analog mode the input must stay below VDD + 0.3 V; also ADC1_IN24, with CLKOUT, TMR1_CH1C, SPI2_SCK, USART3_CTS and CAN2_TX as alternate functions."
      },
      {
        "number": "27",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO with analog function (FTa): in analog mode the input must stay below VDD + 0.3 V; also ADC1_IN25, with TMR1_CH2C, SPI2_MISO, USART3_RTS_DE and XMC_D0 as alternate functions."
      },
      {
        "number": "28",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO with analog function (FTa): in analog mode the input must stay below VDD + 0.3 V; also ADC1_IN26 and WKUP7, with ERTC_REFIN, TMR1_CH3C, SPI2_MOSI and TMR12_CH2 as alternate functions."
      },
      {
        "number": "29",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with CLKOUT, TMR1_CH1, USART1_CK, USART2_TX and OTGFS1_SOF as alternate functions."
      },
      {
        "number": "30",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with CLKOUT, TMR1_CH2, USART1_TX, I2C1_SCL and OTGFS1_VBUS as alternate functions."
      },
      {
        "number": "31",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with ERTC_REFIN, TMR1_CH3, USART1_RX, I2C1_SDA and OTGFS1_ID as alternate functions."
      },
      {
        "number": "32",
        "name": "PA11",
        "type": "bidirectional",
        "description": "Standard-level GPIO (TC, not 5 V-tolerant) with TMR1_CH4, USART1_CTS, CAN1_RX and OTGFS1_D- as its functions."
      },
      {
        "number": "33",
        "name": "PA12",
        "type": "bidirectional",
        "description": "Standard-level GPIO (TC, not 5 V-tolerant) with TMR1_EXT, USART1_RTS_DE, CAN1_TX and OTGFS1_D+ as its functions."
      },
      {
        "number": "34",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) that is shared with the SWDIO/JTMS debug function; also IR_OUT, I2C1_SDA and OTGFS1_OE."
      },
      {
        "number": "35",
        "name": "PF6",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with TMR2_CH1, I2C2_SCL and USART7_RX as alternate functions."
      },
      {
        "number": "36",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital power supply, 2.4 V to 3.6 V."
      },
      {
        "number": "37",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) that is shared with the SWCLK/JTCK debug function; also I2C1_SMBA, SPI3_MOSI, I2S3_SD and USART2_TX."
      },
      {
        "number": "38",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) that is shared with the JTDI debug function; also TMR2_CH1, TMR2_EXT, SPI1_CS, USART1_TX and XMC_NE2."
      },
      {
        "number": "39",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) that is shared with the JTDO/SWO debug function; also TMR2_CH2, SPI1_SCK, USART1_RX and USART5_TX."
      },
      {
        "number": "40",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) that is shared with the NJTRST debug function; also TMR3_CH1, TMR11_BRK, SPI1_MISO and USART1_CTS."
      },
      {
        "number": "41",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with TMR3_CH2, TMR10_BRK, I2C3_SMBA, SPI1_MOSI, USART1_CK and CAN2_RX as alternate functions, and WKUP6 as additional function."
      },
      {
        "number": "42",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with TMR4_CH1, TMR10_CH1C, I2C1_SCL, I2S1_MCK, USART1_TX and CAN2_TX as alternate functions."
      },
      {
        "number": "43",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with TMR4_CH2, TMR11_CH1C, I2C1_SDA, SPI3_SCK, USART1_RX and XMC_NADV as alternate functions."
      },
      {
        "number": "44",
        "name": "BOOT0",
        "type": "input",
        "description": "Dedicated boot mode selection pin 0 with a built-in weak pull-down that cannot be disabled."
      },
      {
        "number": "45",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with TMR2_CH1, TMR2_EXT, TMR4_CH3, TMR10_CH1, I2C1_SCL, USART1_TX and CAN1_RX as alternate functions."
      },
      {
        "number": "46",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) with IR_OUT, TMR2_CH2, TMR4_CH4, TMR11_CH1, I2C1_SDA, SPI2_CS, USART5_TX and CAN1_TX as alternate functions."
      },
      {
        "number": "47",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "48",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital power supply, 2.4 V to 3.6 V."
      }
    ],
    "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: In the Table 6 pin-definition row for VDD (page 31), four pin numbers are printed for five package c; PC13/PC14/PC15 are powered through a power switch limited to 3 mA (footnote 4) and PC13 functions ca; Part number AT32F423CBT7 is in the 128 KB flash group of Table 1 and the LQFP48 7x7 mm package is li"
        ],
        "pages_sent": 75,
        "cost_usd": 0.2853,
        "at": "2026-10-20T11:37:05"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756343712567963648",
        "pages": 89,
        "sha256": "6d4a423ff66fe757",
        "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": "at32f423cbt7.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.0,
          9.0,
          1.5
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "9dea352d93177c2904afd7d7b68ea8855ce1ab691f69f8b3e13655600514b6bf",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "at32f423cbt7-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.0,
          9.0,
          1.5
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3f4fd14ca06117f48478d55338d6b3618c543124833ea4918ad2ac7e6afc9e68",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}