AT32F423CCT7

{
  "schema_version": 1,
  "type": "component",
  "slug": "at32f423cct7",
  "title": "AT32F423CCT7",
  "brief": "ARTERY(雅特力) 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",
    "at32f423cct7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "AT32F423CCT7",
    "manufacturer": "ARTERY(雅特力)",
    "package": "LQFP-48(7x7)",
    "pin_count": 48,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756343716578123776",
    "parts": {
      "symbol": "at32f423cct7.kicad_sym",
      "footprint": "at32f423cct7.kicad_mod",
      "model_3d": "at32f423cct7-hero.glb",
      "model_3d_plain": "at32f423cct7-etched.glb",
      "model_3d_step": "at32f423cct7-etched.step",
      "model_3d_step_plain": "at32f423cct7.step",
      "lbr": "at32f423cct7.lbr"
    },
    "distributor_links": {
      "lcsc": "C19633596"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T13:42:41Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply pin, operating at 2.4 V to 3.6 V (VDD) and powering GPIO, ERTC, LEXT, BPR and the LDO."
      },
      {
        "number": "2",
        "name": "PC13",
        "type": "bidirectional",
        "description": "GPIO (FT, 5 V tolerant) with ERTC_OUT, TAMP1 and WKUP2 functions, powered through a power switch limited to 3 mA and subject to errata restrictions."
      },
      {
        "number": "3",
        "name": "PC14",
        "type": "bidirectional",
        "description": "GPIO (TC, standard level, not 5 V tolerant) that is also the LEXT_IN low-speed oscillator input, powered through a 3 mA limited power switch."
      },
      {
        "number": "4",
        "name": "PC15",
        "type": "bidirectional",
        "description": "GPIO (TC, standard level, not 5 V tolerant) that is also the LEXT_OUT low-speed oscillator output, powered through a 3 mA limited power switch."
      },
      {
        "number": "5",
        "name": "PF0",
        "type": "bidirectional",
        "description": "GPIO (TC) with TMR1_CH1, I2C1_SDA and the HEXT_IN high-speed crystal input function."
      },
      {
        "number": "6",
        "name": "PF1",
        "type": "bidirectional",
        "description": "GPIO (TC) with TMR1_CH2C, I2C1_SCL, SPI2_CS, I2S2_WS and the HEXT_OUT high-speed crystal output function."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Active-low device reset I/O with an internal pull-up (RPU 30-50 kΩ), acting as reset input and internal reset output."
      },
      {
        "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 at the same potential as VDD (2.4 V to 3.6 V)."
      },
      {
        "number": "10",
        "name": "PA0",
        "type": "bidirectional",
        "description": "GPIO (FTa, 5 V tolerant when configured as input, not in analog mode) with TMR2_CH1, USART2_RX, ADC1_IN0 (fast channel), TAMP2 and WKUP1."
      },
      {
        "number": "11",
        "name": "PA1",
        "type": "bidirectional",
        "description": "GPIO (FTa, 5 V tolerant when configured as input, not in analog mode) with TMR2_CH2, I2C2_SDA, SPI3_CS, ADC1_IN1 (fast channel) and USART2_RTS_DE."
      },
      {
        "number": "12",
        "name": "PA2",
        "type": "bidirectional",
        "description": "GPIO (FTa, 5 V tolerant when configured as input) with TMR2_CH3, USART2_TX, CAN2_RX, XMC_D4 and ADC1_IN2."
      },
      {
        "number": "13",
        "name": "PA3",
        "type": "bidirectional",
        "description": "GPIO (FTa, 5 V tolerant when configured as input) with TMR2_CH4, I2S2_MCK, USART2_RX, CAN2_TX, XMC_D5 and ADC1_IN3."
      },
      {
        "number": "14",
        "name": "PA4",
        "type": "bidirectional",
        "description": "GPIO (FTa, 5 V tolerant when configured as input) with SPI1_CS, I2S1_WS, USART2_CK, OTGFS1_OE, XMC_D6, and ADC1_IN4 / DAC1_OUT."
      },
      {
        "number": "15",
        "name": "PA5",
        "type": "bidirectional",
        "description": "GPIO (FTa, 5 V tolerant when configured as input) with SPI1_SCK, I2S1_CK, USART3_CK, XMC_D7, and ADC1_IN5 / DAC2_OUT."
      },
      {
        "number": "16",
        "name": "PA6",
        "type": "bidirectional",
        "description": "GPIO (FTa, 5 V tolerant when configured as input) with TMR1_BRK, TMR3_CH1, SPI1_MISO, I2S1_MCK, and ADC1_IN6."
      },
      {
        "number": "17",
        "name": "PA7",
        "type": "bidirectional",
        "description": "GPIO (FTa, 5 V tolerant when configured as input) with TMR1_CH1C, TMR3_CH2, SPI1_MOSI, I2S1_SD, and ADC1_IN7."
      },
      {
        "number": "18",
        "name": "PB0",
        "type": "bidirectional",
        "description": "GPIO (FTa, 5 V tolerant when configured as input) with TMR1_CH2C, TMR3_CH3, SPI1_MISO, USART2_RX, and ADC1_IN8."
      },
      {
        "number": "19",
        "name": "PB1",
        "type": "bidirectional",
        "description": "GPIO (FTa, 5 V tolerant when configured as input) with TMR1_CH3C, TMR3_CH4, SPI1_MOSI, USART2_CK, TMR14_CH1, and ADC1_IN9."
      },
      {
        "number": "20",
        "name": "PB2",
        "type": "bidirectional",
        "description": "GPIO (FTa, 5 V tolerant when configured as input) with TMR2_CH4, TMR3_EXT, I2C3_SMBA, SPI3_MOSI, and ADC1_IN20."
      },
      {
        "number": "21",
        "name": "PB10",
        "type": "bidirectional",
        "description": "GPIO (FTa, 5 V tolerant when configured as input) with TMR2_CH3, I2C2_SCL, SPI2_SCK, USART3_TX, XMC_NOE, and ADC1_IN21."
      },
      {
        "number": "22",
        "name": "PB11",
        "type": "bidirectional",
        "description": "GPIO (FTa, 5 V tolerant when configured as input) with TMR2_CH4, I2C2_SDA, USART3_RX, TMR13_BRK, and ADC1_IN22."
      },
      {
        "number": "23",
        "name": "PF8",
        "type": "bidirectional",
        "description": "GPIO (FT, 5 V tolerant) with TMR2_CH2, I2C2_SDA and USART7_TX."
      },
      {
        "number": "24",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply pin, operating at 2.4 V to 3.6 V."
      },
      {
        "number": "25",
        "name": "PB12",
        "type": "bidirectional",
        "description": "GPIO (FTa, 5 V tolerant when configured as input) with TMR1_BRK, TMR12_BRK, SPI2_CS, I2S2_WS, CAN2_RX, XMC_D13, and ADC1_IN23."
      },
      {
        "number": "26",
        "name": "PB13",
        "type": "bidirectional",
        "description": "GPIO (FTa, 5 V tolerant when configured as input) with CLKOUT, TMR1_CH1C, SPI2_SCK, I2C3_SCL, USART3_CTS, CAN2_TX, and ADC1_IN24."
      },
      {
        "number": "27",
        "name": "PB14",
        "type": "bidirectional",
        "description": "GPIO (FTa, 5 V tolerant when configured as input) with TMR1_CH2C, I2C3_SDA, SPI2_MISO, I2S2_MCK, USART3_RTS_DE, XMC_D0, and ADC1_IN25."
      },
      {
        "number": "28",
        "name": "PB15",
        "type": "bidirectional",
        "description": "GPIO (FTa, 5 V tolerant when configured as input) with ERTC_REFIN, TMR1_CH3C, TMR12_CH1C, SPI2_MOSI, TMR12_CH2, WKUP7, and ADC1_IN26."
      },
      {
        "number": "29",
        "name": "PA8",
        "type": "bidirectional",
        "description": "GPIO (FT, 5 V tolerant) with CLKOUT, TMR1_CH1, TMR9_BRK, I2C3_SCL, USART1_CK, USART2_TX, and OTGFS1_SOF."
      },
      {
        "number": "30",
        "name": "PA9",
        "type": "bidirectional",
        "description": "GPIO (FT, 5 V tolerant) with CLKOUT, TMR1_CH2, I2C3_SMBA, SPI2_SCK, USART1_TX, I2C1_SCL, TMR14_BRK, and OTGFS1_VBUS."
      },
      {
        "number": "31",
        "name": "PA10",
        "type": "bidirectional",
        "description": "GPIO (FT, 5 V tolerant) with ERTC_REFIN, TMR1_CH3, SPI2_MOSI, I2S2_SD, USART1_RX, I2C1_SDA, and OTGFS1_ID."
      },
      {
        "number": "32",
        "name": "PA11",
        "type": "bidirectional",
        "description": "GPIO (TC, standard level, not 5 V tolerant) with TMR1_CH4, I2C2_SCL, SPI2_CS, USART1_CTS, USART6_TX, CAN1_RX, and the OTGFS1_D- USB function."
      },
      {
        "number": "33",
        "name": "PA12",
        "type": "bidirectional",
        "description": "GPIO (TC, standard level, not 5 V tolerant) with TMR1_EXT, I2C2_SDA, SPI2_MISO, USART1_RTS_DE, USART6_RX, CAN1_TX, and the OTGFS1_D+ USB function."
      },
      {
        "number": "34",
        "name": "PA13",
        "type": "bidirectional",
        "description": "GPIO (FT, 5 V tolerant) multiplexed with the JTMS/SWDIO debug function, plus IR_OUT, I2C1_SDA, SPI3_MISO and OTGFS1_OE."
      },
      {
        "number": "35",
        "name": "PF6",
        "type": "bidirectional",
        "description": "GPIO (FT, 5 V tolerant) with TMR2_CH1, I2C2_SCL and USART7_RX."
      },
      {
        "number": "36",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply pin, operating at 2.4 V to 3.6 V."
      },
      {
        "number": "37",
        "name": "PA14",
        "type": "bidirectional",
        "description": "GPIO (FT, 5 V tolerant) multiplexed with the JTCK/SWCLK debug function, plus I2C1_SMBA, SPI3_MOSI, I2S3_SD and USART2_TX."
      },
      {
        "number": "38",
        "name": "PA15",
        "type": "bidirectional",
        "description": "GPIO (FT, 5 V tolerant) multiplexed with the JTDI debug function, plus TMR2_CH1, SPI1_CS, I2S1_WS, USART1_TX, USART2_RX and XMC_NE2."
      },
      {
        "number": "39",
        "name": "PB3",
        "type": "bidirectional",
        "description": "GPIO (FT, 5 V tolerant) multiplexed with the JTDO function and SWO trace output, plus TMR2_CH2, I2C2_SDA, SPI1_SCK, USART1_RX and USART5_TX."
      },
      {
        "number": "40",
        "name": "PB4",
        "type": "bidirectional",
        "description": "GPIO (FT, 5 V tolerant) multiplexed with the NJTRST debug function, plus TMR3_CH1, TMR11_BRK, I2C3_SDA, SPI1_MISO, USART1_CTS and USART5_RX."
      },
      {
        "number": "41",
        "name": "PB5",
        "type": "bidirectional",
        "description": "GPIO (FT, 5 V tolerant) with TMR3_CH2, TMR10_BRK, I2C3_SMBA, SPI1_MOSI, USART1_CK, CAN2_RX, and the WKUP6 wake-up function."
      },
      {
        "number": "42",
        "name": "PB6",
        "type": "bidirectional",
        "description": "GPIO (FT, 5 V tolerant) with TMR4_CH1, TMR10_CH1C, I2C1_SCL, I2S1_MCK, USART1_TX, USART5_TX, CAN2_TX and USART4_CK."
      },
      {
        "number": "43",
        "name": "PB7",
        "type": "bidirectional",
        "description": "GPIO (FT, 5 V tolerant) with TMR4_CH2, TMR11_CH1C, I2C1_SDA, SPI3_SCK, USART1_RX, USART4_CTS and XMC_NADV."
      },
      {
        "number": "44",
        "name": "BOOT0",
        "type": "input",
        "description": "Dedicated boot mode select pin with a built-in weak pull-down that cannot be disabled, used with the user system data nBOOT1 bit to select the startup mode."
      },
      {
        "number": "45",
        "name": "PB8",
        "type": "bidirectional",
        "description": "GPIO (FT, 5 V tolerant) with TMR2_CH1, TMR2_EXT, TMR4_CH3, TMR10_CH1, I2C1_SCL, SPI3_MISO, USART1_TX, USART5_RX and CAN1_RX."
      },
      {
        "number": "46",
        "name": "PB9",
        "type": "bidirectional",
        "description": "GPIO (FT, 5 V tolerant) with IR_OUT, TMR2_CH2, TMR4_CH4, TMR11_CH1, I2C1_SDA, SPI2_CS, I2S2_WS, SPI3_MOSI, I2C2_SDA, USART5_TX, CAN1_TX and I2S1_MCK."
      },
      {
        "number": "47",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground pin, which must be at the same potential as VSSA and VDD ground rails."
      },
      {
        "number": "48",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply pin, operating at 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: The pin-definition row for VDD (page 31) lists the LQFP48 position ambiguously (its column alignment; PA11 and PA12 OTGFS1 D-/D+ names are garbled in the text extraction (a stray character follows OTGFS; PC13 has footnote 5 in the datasheet: its use and additional functions are restricted per the AT32F4"
        ],
        "pages_sent": 75,
        "cost_usd": 0.2853,
        "at": "2026-10-17T13:40:44"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756343716578123776",
        "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": "at32f423cct7.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": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "at32f423cct7-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": "8feb72f3281d39b8d4dc60917bd09a846d5690f44fa6b939a82bdebb7ba0c7cf",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ARTERY(雅特力)",
      "Package": "LQFP-48(7x7)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "48"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "6d4a423ff66fe757a2ec19c85a1cbf145d10bb7662ed940298615cfa8aecb269",
      "rows": [
        {
          "name": "External main supply voltage",
          "symbol": "VDDx-VSS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 4,
          "conditions": "",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "Input voltage on FTa pin set to input floating, input pull-up or input pull-down (min printed as VSS-0.3)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "FTa pin set to input floating, input pull-up or input pull-down mode",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "Input voltage on TC pin (min printed as VSS-0.3)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "TC pin",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "Voltage difference between different supply pins",
          "symbol": "|ΔVDDx|",
          "kind": "absolute_maximum",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "Voltage difference between different ground pins",
          "symbol": "|VSSx-VSS|",
          "kind": "absolute_maximum",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "Total current through VDD power line (inflow)",
          "symbol": "IVDD",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "Total current through VSS ground line (outflow)",
          "symbol": "IVSS",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "Output sink current on any GPIO and control pin",
          "symbol": "IIO",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 25,
          "conditions": "",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "Output current on any GPIO and control pin (printed -25 in the same row)",
          "symbol": "IIO",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -25,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -60,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "Maximum junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "ADC supply voltage",
          "symbol": "VDDA",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.4,
          "typ": null,
          "max": 3.6,
          "conditions": "",
          "source_page": 66,
          "source": "datasheet"
        },
        {
          "name": "Positive reference voltage (max printed as VDDA)",
          "symbol": "VREF+",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 66,
          "source": "datasheet"
        },
        {
          "name": "Current on VDDA input pin",
          "symbol": "IDDA",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 1000,
          "max": 1250,
          "conditions": "fADC = 80 MHz",
          "source_page": 66,
          "source": "datasheet"
        },
        {
          "name": "Current on VREF+ input pin",
          "symbol": "IVREF+",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 470,
          "max": 510,
          "conditions": "fADC = 80 MHz",
          "source_page": 66,
          "source": "datasheet"
        },
        {
          "name": "ADC clock frequency",
          "symbol": "fADC",
          "kind": "electrical",
          "unit": "MHz",
          "min": 0.6,
          "typ": null,
          "max": 80,
          "conditions": "VREF+ ≥ 3.0 V",
          "source_page": 66,
          "source": "datasheet"
        },
        {
          "name": "ADC clock frequency",
          "symbol": "fADC",
          "kind": "electrical",
          "unit": "MHz",
          "min": 0.6,
          "typ": null,
          "max": 30,
          "conditions": "VREF+ < 3.0 V",
          "source_page": 66,
          "source": "datasheet"
        },
        {
          "name": "ADC sampling rate, 12-bit, fast channel",
          "symbol": "fS",
          "kind": "electrical",
          "unit": "MSPS",
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