AT32F435CGU7

{
  "schema_version": 1,
  "type": "component",
  "slug": "at32f435cgu7",
  "title": "AT32F435CGU7",
  "brief": "ARTERY Microcontrollers (MCU/MPU/SOC), QFN-48(6x6). 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",
    "at32f435cgu7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "AT32F435CGU7",
    "manufacturer": "ARTERY",
    "package": "QFN-48(6x6)",
    "pin_count": 49,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589838677586042880",
    "parts": {
      "symbol": "at32f435cgu7.kicad_sym",
      "footprint": "at32f435cgu7.kicad_mod",
      "model_3d": "at32f435cgu7-hero.glb",
      "model_3d_plain": "at32f435cgu7-etched.glb",
      "model_3d_step": "at32f435cgu7-etched.step",
      "model_3d_step_plain": "at32f435cgu7.step",
      "lbr": "at32f435cgu7.lbr"
    },
    "distributor_links": {
      "lcsc": "C5178937"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T21:18:44Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VBAT",
        "type": "power_in",
        "description": "Battery supply for the backup domain (ERTC, LEXT, BPR), specified at 1.62 V to 3.6 V, and it supplies these blocks when VDD is absent."
      },
      {
        "number": "2",
        "name": "PC13",
        "type": "bidirectional",
        "description": "5 V tolerant FT GPIO that is limited to 3 mA through the power switch, so it must not be used as a current source such as an LED driver; also ERTC_AF1 and WKUP2."
      },
      {
        "number": "3",
        "name": "PC14/LEXT_IN",
        "type": "bidirectional",
        "description": "Standard-level TC GPIO that is limited to 3 mA through the power switch and also serves as the 32.768 kHz LEXT oscillator input."
      },
      {
        "number": "4",
        "name": "PC15/LEXT_OUT",
        "type": "bidirectional",
        "description": "Standard-level TC GPIO that is limited to 3 mA through the power switch and also serves as the 32.768 kHz LEXT oscillator output."
      },
      {
        "number": "5",
        "name": "PH0/HEXT_IN",
        "type": "bidirectional",
        "description": "Standard-level TC GPIO (alternate I2C1_SDA) that also serves as the 4 to 25 MHz HEXT crystal oscillator input."
      },
      {
        "number": "6",
        "name": "PH1/HEXT_OUT",
        "type": "bidirectional",
        "description": "Standard-level TC GPIO (alternate I2C1_SCL) that also serves as the 4 to 25 MHz HEXT crystal oscillator output."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Active-low bidirectional device reset input and internal reset output with a built-in pull-up of 30 to 50 kOhm (40 kOhm typical), VIL max 0.8 V and VIH min 2 V."
      },
      {
        "number": "8",
        "name": "VSSA/VREF-",
        "type": "power_in",
        "description": "Analog ground and negative reference voltage, which must be connected to VSS."
      },
      {
        "number": "9",
        "name": "VDDA/VREF+",
        "type": "power_in",
        "description": "Analog supply for ADC and DAC (2.6 V to 3.6 V, must equal VDD) that also acts as the positive reference voltage on this package."
      },
      {
        "number": "10",
        "name": "PA0",
        "type": "bidirectional",
        "description": "5 V tolerant FTa GPIO with ADC123_IN0 (fast channel) and WKUP1; in analog mode the input must stay below VDD + 0.3 V and 5 V tolerance is lost."
      },
      {
        "number": "11",
        "name": "PA1",
        "type": "bidirectional",
        "description": "5 V tolerant FTa GPIO with ADC123_IN1 (fast channel) and EMAC/RMII reference clock alternate functions; in analog mode the input must stay below VDD + 0.3 V."
      },
      {
        "number": "12",
        "name": "PA2",
        "type": "bidirectional",
        "description": "5 V tolerant FTa GPIO with ADC123_IN2 and USART2_TX alternate function; in analog mode the input must stay below VDD + 0.3 V."
      },
      {
        "number": "13",
        "name": "PA3",
        "type": "bidirectional",
        "description": "5 V tolerant FTa GPIO with ADC123_IN3 and USART2_RX alternate function; in analog mode the input must stay below VDD + 0.3 V."
      },
      {
        "number": "14",
        "name": "PA4",
        "type": "bidirectional",
        "description": "5 V tolerant FTa GPIO with ADC12_IN4 and DAC1_OUT; in analog mode the input must stay below VDD + 0.3 V."
      },
      {
        "number": "15",
        "name": "PA5",
        "type": "bidirectional",
        "description": "5 V tolerant FTa GPIO with ADC12_IN5 and DAC2_OUT; in analog mode the input must stay below VDD + 0.3 V."
      },
      {
        "number": "16",
        "name": "PA6",
        "type": "bidirectional",
        "description": "5 V tolerant FTa GPIO with ADC12_IN6; in analog mode the input must stay below VDD + 0.3 V."
      },
      {
        "number": "17",
        "name": "PA7",
        "type": "bidirectional",
        "description": "5 V tolerant FTa GPIO with ADC12_IN7; in analog mode the input must stay below VDD + 0.3 V."
      },
      {
        "number": "18",
        "name": "PB0",
        "type": "bidirectional",
        "description": "5 V tolerant FTa GPIO with ADC12_IN8; in analog mode the input must stay below VDD + 0.3 V."
      },
      {
        "number": "19",
        "name": "PB1",
        "type": "bidirectional",
        "description": "5 V tolerant FTa GPIO with ADC12_IN9; in analog mode the input must stay below VDD + 0.3 V."
      },
      {
        "number": "20",
        "name": "PB2/BOOT1",
        "type": "bidirectional",
        "description": "5 V tolerant FT GPIO, labeled BOOT1 in the pin definition table, with reset-time function PB2."
      },
      {
        "number": "21",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5 V tolerant FTf GPIO with 20 mA sink capability, with I2C2_SCL and USART3_TX alternate functions."
      },
      {
        "number": "22",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5 V tolerant FT GPIO with I2C2_SDA and USART3_RX alternate functions."
      },
      {
        "number": "23",
        "name": "PH3",
        "type": "bidirectional",
        "description": "5 V tolerant FT GPIO with TMR5_CH2, I2C2_SDA and UART4_TX alternate functions."
      },
      {
        "number": "24",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply of 2.6 V to 3.6 V (3.0 V to 3.6 V when the LDO is at 1.3 V and ERTC access is needed)."
      },
      {
        "number": "25",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V tolerant FT GPIO with OTGFS2_ID and XMC_D13 alternate functions."
      },
      {
        "number": "26",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5 V tolerant FT GPIO with OTGFS2_VBUS and CAN2_TX alternate functions."
      },
      {
        "number": "27",
        "name": "PB14",
        "type": "bidirectional",
        "description": "Standard-level TC GPIO with OTGFS2_D- alternate function."
      },
      {
        "number": "28",
        "name": "PB15",
        "type": "bidirectional",
        "description": "Standard-level TC GPIO with OTGFS2_D+ and ERTC_REFIN alternate functions."
      },
      {
        "number": "29",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V tolerant FT GPIO with CLKOUT1 and USART1_CK alternate functions."
      },
      {
        "number": "30",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V tolerant FT GPIO with USART1_TX and OTGFS1_VBUS alternate functions; also the bootloader USART1 TX pin."
      },
      {
        "number": "31",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V tolerant FT GPIO with USART1_RX and OTGFS1_ID alternate functions; also the bootloader USART1 RX pin."
      },
      {
        "number": "32",
        "name": "PA11",
        "type": "bidirectional",
        "description": "Standard-level TC GPIO with OTGFS1_D- alternate function."
      },
      {
        "number": "33",
        "name": "PA12",
        "type": "bidirectional",
        "description": "Standard-level TC GPIO with OTGFS1_D+ alternate function."
      },
      {
        "number": "34",
        "name": "PA13/JTMS/SWDIO",
        "type": "bidirectional",
        "description": "5 V tolerant FT GPIO that carries the JTMS/SWDIO serial-wire debug function after reset."
      },
      {
        "number": "35",
        "name": "PH2",
        "type": "bidirectional",
        "description": "5 V tolerant FT GPIO with TMR5_CH1, I2C2_SCL and UART4_RX alternate functions."
      },
      {
        "number": "36",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply of 2.6 V to 3.6 V (3.0 V to 3.6 V when the LDO is at 1.3 V and ERTC access is needed)."
      },
      {
        "number": "37",
        "name": "PA14/JTCK/SWCLK",
        "type": "bidirectional",
        "description": "5 V tolerant FT GPIO that carries the JTCK/SWCLK serial-wire debug clock function after reset."
      },
      {
        "number": "38",
        "name": "PA15/JTDI",
        "type": "bidirectional",
        "description": "5 V tolerant FT GPIO that carries the JTDI debug function after reset."
      },
      {
        "number": "39",
        "name": "PB3/JTDO",
        "type": "bidirectional",
        "description": "5 V tolerant FTf GPIO with 20 mA sink capability that carries the JTDO function after reset and also SWO."
      },
      {
        "number": "40",
        "name": "PB4/NJTRST",
        "type": "bidirectional",
        "description": "5 V tolerant FT GPIO that carries the NJTRST debug reset function after reset."
      },
      {
        "number": "41",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5 V tolerant FT GPIO with TMR3_CH2, I2C1_SMBA and CAN2_RX alternate functions."
      },
      {
        "number": "42",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V tolerant FT GPIO with TMR4_CH1, I2C1_SCL and CAN2_TX alternate functions."
      },
      {
        "number": "43",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V tolerant FT GPIO with TMR4_CH2, I2C1_SDA and USART1_RX alternate functions."
      },
      {
        "number": "44",
        "name": "BOOT0",
        "type": "input",
        "description": "Dedicated BOOT0 boot-mode input with a built-in weak pull-down that cannot be disabled."
      },
      {
        "number": "45",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V tolerant FT GPIO with TMR2_CH1, I2C1_SCL and CAN1_RX alternate functions."
      },
      {
        "number": "46",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V tolerant FTf GPIO with 20 mA sink capability and with I2C1_SDA and CAN1_TX alternate functions."
      },
      {
        "number": "47",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "48",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply of 2.6 V to 3.6 V (3.0 V to 3.6 V when the LDO is at 1.3 V and ERTC access is needed)."
      },
      {
        "number": "49",
        "name": "EPAD",
        "type": "power_in",
        "description": "Exposed pad on the underside of the QFN48 package, specified in the pin table as digital ground."
      }
    ],
    "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: Pin numbers and names were taken from the LQFP48/QFN48 column of Table 8 because the QFN48 pinout fi; The exposed pad is listed in the datasheet as '-/49 EPAD' with digital ground. It is not a numbered ; On QFN48 pin 9 is a combined VDDA/VREF+ pin with no separate VREF+ pin, per Table 8 and section 2.4."
        ],
        "pages_sent": 79,
        "cost_usd": 0.3221,
        "at": "2026-10-17T21:13:41"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589838677586042880",
        "pages": 118,
        "sha256": "1dc0c659f12e7670",
        "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": "at32f435cgu7.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.02,
          6.02,
          0.9
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "6d2bf17bedca63aec53fe13ac777f85c2b583fcc2f692bad21fdbdd6b5564875",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "at32f435cgu7-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.02,
          6.02,
          0.9
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "8de27930467bd21c418e889335c997977b1e8910859a4425f564a8eba77092e9",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ARTERY",
      "Package": "QFN-48(6x6)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "49"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "1dc0c659f12e7670afbe7b3cdf25dc306ace570d4be501ce37424f40b3ab27b7",
      "rows": [
        {
          "name": "External main supply voltage VDDx-VSS",
          "symbol": "VDDx-VSS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 4,
          "conditions": "",
          "source_page": 47,
          "source": "datasheet"
        },
        {
          "name": "Input voltage on FTa pin, input floating / pull-up / pull-down mode",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "Pin set to input floating, input pull-up or pull-down mode; minimum printed as VSS-0.3",
          "source_page": 47,
          "source": "datasheet"
        },
        {
          "name": "Input voltage on TC pin",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "Minimum printed as VSS-0.3",
          "source_page": 47,
          "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": 47,
          "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": 47,
          "source": "datasheet"
        },
        {
          "name": "Total current through VDDA and VDD supply pins",
          "symbol": "IVDD",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "",
          "source_page": 47,
          "source": "datasheet"
        },
        {
          "name": "Total current through VSS ground line (outflow)",
          "symbol": "IVSS",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "",
          "source_page": 47,
          "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": 47,
          "source": "datasheet"
        },
        {
          "name": "Output current on any GPIO and control pin",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": -25,
          "conditions": "",
          "source_page": 47,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -60,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 47,
          "source": "datasheet"
        },
        {
          "name": "Maximum junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 47,
          "source": "datasheet"
        },
        {
          "name": "SD/MMC clock frequency in data transfer mode",
          "symbol": "fPP",
          "kind": "timing",
          "unit": "MHz",
          "min": 0,
          "typ": null,
          "max": 48,
          "conditions": "",
          "source_page": 94,
          "source": "datasheet"
        },
        {
          "name": "SD/MMC clock low time",
          "symbol": "tW(CKL)",
          "kind": "timing",
          "unit": "ns",
          "min": 32,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 94,
          "source": "datasheet"
        },
        {
          "name": "SD/MMC clock high time",
          "symbol": "tW(CKH)",
          "kind": "timing",
          "unit": "ns",
          "min": 30,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 94,
          "source": "datasheet"
        },
        {
          "name": "SD/MMC clock rise time",
          "symbol": "tr",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "",
          "source_page": 94,
          "source": "datasheet"
        },
        {
          "name": "SD/MMC clock fall time",
          "symbol": "tf",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 94,
          "source": "datasheet"
        },
        {
          "name": "CMD, D input clock setup time (referenced to CK)",
          "symbol": "tISU",
          "kind": "timing",
          "unit": "ns",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 94,
          "source": "datasheet"
        },
        {
          "name": "CMD, D input clock hold time (referenced to CK)",
          "symbol": "tIH",
          "kind": "timing",
          "unit": "ns",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 94,
          "source": "datasheet"
        },
        {
          "name": "CMD, D output valid time (referenced to CK)",
          "symbol": "tOV",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "MMC and SD high-speed mode",
          "source_page": 94,
          "source": "datasheet"
        },
        {
          "name": "CMD, D output hold time (referenced to CK)",
          "symbol": "tOH",
          "kind": "timing",
          "unit": "ns",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "MMC and SD high-speed mode",
          "source_page": 94,
          "source": "datasheet"
        },
        {
          "name": "CMD, D output valid default time (referenced to CK)",
          "symbol": "tOVD",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "SD default mode",
          "source_page": 94,
          "source": "datasheet"
        },
        {
          "name": "CMD, D output hold default time (referenced to CK)",
          "symbol": "tOHD",
          "kind": "timing",
          "unit": "ns",
          "min": 0.5,
          "typ": null,
          "max": null,
          "conditions": "SD default mode",
          "source_page": 94,
          "source": "datasheet"
        },
        {
          "name": "OTGFS transceiver startup time",
          "symbol": "tSTARTUP",
          "kind": "timing",
          "unit": "μs",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 95,
          "source": "datasheet"
        },
        {
          "name": "OTGFS operating voltage",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 3.6,
          "conditions": "",
          "source_page": 95,
          "source": "datasheet"
        },
        {
          "name": "Differential input sensitivity I(OTGFS_D+/D-)",
          "symbol": "VDI",
          "kind": "electrical",
          "unit": "V",
          "min": 0.2,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 95,
          "source": "datasheet"
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