AT32F437RMT7

{
  "schema_version": 1,
  "type": "component",
  "slug": "at32f437rmt7",
  "title": "AT32F437RMT7",
  "brief": "ARTERY Microcontroller Units (MCUs/MPUs/SOCs), LQFP-64(10x10). 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",
    "single chip microcomputer-microcontroller",
    "at32f437rmt7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "AT32F437RMT7",
    "manufacturer": "ARTERY",
    "package": "LQFP-64(10x10)",
    "pin_count": 64,
    "category": "Single Chip Microcomputer/Microcontroller",
    "subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/db4b0fe3cb2fe13951aac92c4deef420.pdf",
    "parts": {
      "symbol": "at32f437rmt7.kicad_sym",
      "footprint": "at32f437rmt7.kicad_mod",
      "model_3d": "at32f437rmt7-hero.glb",
      "model_3d_plain": "at32f437rmt7.glb",
      "model_3d_step": "at32f437rmt7-etched.step",
      "model_3d_step_plain": "at32f437rmt7.step",
      "lbr": "at32f437rmt7.lbr"
    },
    "distributor_links": {
      "lcsc": "C3029581"
    },
    "distributor_check": {
      "checked_at": "2026-11-13T12:21:54Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VBAT",
        "type": "power_in",
        "description": "Battery supply input for the VBAT domain (ERTC, LEXT and BPR), specified at 1.62 to 3.6 V."
      },
      {
        "number": "2",
        "name": "PC13",
        "type": "bidirectional",
        "description": "Backup-domain FT GPIO powered through a power switch limited to 3 mA, so it cannot source LED current; additional functions ERTC_AF1 and WKUP2."
      },
      {
        "number": "3",
        "name": "PC14",
        "type": "bidirectional",
        "description": "Backup-domain TC standard-level GPIO shared with LEXT_IN, powered through the same 3 mA power switch limit."
      },
      {
        "number": "4",
        "name": "PC15",
        "type": "bidirectional",
        "description": "Backup-domain TC standard-level GPIO shared with LEXT_OUT, powered through the same 3 mA power switch limit."
      },
      {
        "number": "5",
        "name": "PH0",
        "type": "bidirectional",
        "description": "Standard-level GPIO shared with HEXT_IN, the 4 to 25 MHz high-speed external oscillator input, and I2C1_SDA."
      },
      {
        "number": "6",
        "name": "PH1",
        "type": "bidirectional",
        "description": "Standard-level GPIO shared with HEXT_OUT, the high-speed external oscillator output, and I2C1_SCL."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Active-low device reset input and internal reset output with a built-in weak pull-up (30 to 50 kΩ); input pulses shorter than 33.3 µs are filtered."
      },
      {
        "number": "8",
        "name": "PC0",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO with analog function (FTa) and ADC123_IN10 fast-channel input; in analog mode the input must stay below VDD+0.3 V."
      },
      {
        "number": "9",
        "name": "PC1",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO with analog function (FTa) and ADC123_IN11 fast-channel input; in analog mode the input must stay below VDD+0.3 V."
      },
      {
        "number": "10",
        "name": "PC2",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO with analog function (FTa) and ADC123_IN12 fast-channel input; in analog mode the input must stay below VDD+0.3 V."
      },
      {
        "number": "11",
        "name": "PC3",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO with analog function (FTa) and ADC123_IN13 fast-channel input; in analog mode the input must stay below VDD+0.3 V."
      },
      {
        "number": "12",
        "name": "VSSA/VREF-",
        "type": "power_in",
        "description": "Analog ground and negative reference voltage, which must be connected to VSS."
      },
      {
        "number": "13",
        "name": "VDDA/VREF+",
        "type": "power_in",
        "description": "Analog supply and positive reference voltage; VDDA must be the same as VDD (2.6 to 3.6 V)."
      },
      {
        "number": "14",
        "name": "PA0",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO with analog function (FTa) and ADC123_IN0 fast-channel input, also WKUP1."
      },
      {
        "number": "15",
        "name": "PA1",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO with analog function (FTa) and ADC123_IN1 fast-channel input."
      },
      {
        "number": "16",
        "name": "PA2",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO with analog function (FTa) and ADC123_IN2 input; also USART2_TX and SDIO2_CK."
      },
      {
        "number": "17",
        "name": "PA3",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO with analog function (FTa) and ADC123_IN3 input; also I2S2_MCK and USART2_RX."
      },
      {
        "number": "18",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "19",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply voltage, 2.6 to 3.6 V."
      },
      {
        "number": "20",
        "name": "PA4",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO with analog function (FTa) shared with ADC12_IN4 and DAC1_OUT."
      },
      {
        "number": "21",
        "name": "PA5",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO with analog function (FTa) shared with ADC12_IN5 and DAC2_OUT."
      },
      {
        "number": "22",
        "name": "PA6",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO with analog function (FTa) shared with ADC12_IN6; also TMR3_CH1, SPI1_MISO and QSPI1_IO0."
      },
      {
        "number": "23",
        "name": "PA7",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO with analog function (FTa) shared with ADC12_IN7; also TMR3_CH2, SPI1_MOSI and EMAC_MII_RX_DV."
      },
      {
        "number": "24",
        "name": "PC4",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO with analog function (FTa) shared with ADC12_IN14; also USART3_TX and XMC_SDCS0."
      },
      {
        "number": "25",
        "name": "PC5",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO with analog function (FTa) shared with ADC12_IN15; also USART3_RX and XMC_NOE."
      },
      {
        "number": "26",
        "name": "PB0",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO with analog function (FTa) shared with ADC12_IN8; also TMR3_CH3, USART2_RX and QSPI1_IO0."
      },
      {
        "number": "27",
        "name": "PB1",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO with analog function (FTa) shared with ADC12_IN9; also TMR3_CH4, SPI2_SCK and QSPI1_SCK."
      },
      {
        "number": "28",
        "name": "PB2/BOOT1",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO that also serves as the BOOT1 boot-mode configuration pin; also TMR2_CH4, TMR20_CH1 and SDIO1_CK."
      },
      {
        "number": "29",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO with 20 mA sink capability (FTf); also TMR2_CH3, I2C2_SCL, USART3_TX and XMC_NOE."
      },
      {
        "number": "30",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO (FT); also TMR2_CH4, I2C2_SDA, USART3_RX and EMAC_MII_TX_EN."
      },
      {
        "number": "31",
        "name": "PH3",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO (FT); also TMR5_CH2, I2C2_SDA, UART4_TX and QSPI1_IO1."
      },
      {
        "number": "32",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply voltage, 2.6 to 3.6 V."
      },
      {
        "number": "33",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO (FT); also TMR1_BRK, SPI2_CS, CAN2_RX, OTGFS2_ID and XMC_D13."
      },
      {
        "number": "34",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO (FT); also TMR1_CH1C, SPI2_SCK, CAN2_TX and OTGFS2_VBUS."
      },
      {
        "number": "35",
        "name": "PB14",
        "type": "bidirectional",
        "description": "Standard-level GPIO (TC, not 5 V tolerant); also TMR1_CH2C, SPI2_MISO, OTGFS2_D- and XMC_D0."
      },
      {
        "number": "36",
        "name": "PB15",
        "type": "bidirectional",
        "description": "Standard-level GPIO (TC, not 5 V tolerant); also ERTC_REFIN, TMR1_CH3C, SPI2_MOSI and OTGFS2_D+."
      },
      {
        "number": "37",
        "name": "PC6",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO (FT); also TMR3_CH1, TMR8_CH1, I2C1_SCL, USART6_TX and DVP_D0."
      },
      {
        "number": "38",
        "name": "PC7",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO (FT); also TMR3_CH2, TMR8_CH2, I2C1_SDA, USART6_RX and DVP_D1."
      },
      {
        "number": "39",
        "name": "PC8",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO (FT); also TMR3_CH3, TMR8_CH3, UART8_TX, USART6_CK and QSPI1_IO2."
      },
      {
        "number": "40",
        "name": "PC9",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO (FT); also CLKOUT2, TMR3_CH4, I2C3_SDA, UART8_RX and OTGFS2_OE."
      },
      {
        "number": "41",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO (FT); also CLKOUT1, TMR1_CH1, I2C3_SCL, USART1_CK and OTGFS1_SOF."
      },
      {
        "number": "42",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO (FT); also TMR1_CH2, USART1_TX, I2C1_SCL, OTGFS1_VBUS and DVP_D0."
      },
      {
        "number": "43",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO (FT); also TMR1_CH3, USART1_RX, I2C1_SDA, OTGFS1_ID and DVP_D1."
      },
      {
        "number": "44",
        "name": "PA11",
        "type": "bidirectional",
        "description": "Standard-level GPIO (TC, not 5 V tolerant); also TMR1_CH4, I2C2_SCL, USART1_CTS, CAN1_RX and OTGFS1_D-."
      },
      {
        "number": "45",
        "name": "PA12",
        "type": "bidirectional",
        "description": "Standard-level GPIO (TC, not 5 V tolerant); also TMR1_EXT, I2C2_SDA, USART1_RTS_DE, CAN1_TX and OTGFS1_D+."
      },
      {
        "number": "46",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO (FT) that is the JTMS/SWDIO serial-wire debug data pin after reset; also IR_OUT and OTGFS1_OE."
      },
      {
        "number": "47",
        "name": "PH2",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO (FT); also TMR5_CH1, I2C2_SCL, UART4_RX and QSPI1_IO0."
      },
      {
        "number": "48",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply voltage, 2.6 to 3.6 V."
      },
      {
        "number": "49",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO (FT) that is the JTCK/SWCLK serial-wire debug clock pin after reset; also SPI3_MOSI, I2S3_SD and USART2_TX."
      },
      {
        "number": "50",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO (FT) that is the JTDI debug input pin after reset; also TMR2_CH1, SPI1_CS, USART1_TX and USART2_RX."
      },
      {
        "number": "51",
        "name": "PC10",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO (FT); also TMR5_CH2, SPI3_SCK, I2S3_CK, USART3_TX, UART4_TX and SDIO1_D2."
      },
      {
        "number": "52",
        "name": "PC11",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO (FT); also TMR5_CH3, SPI3_MISO, USART3_RX, UART4_RX, SDIO1_D3 and XMC_D2."
      },
      {
        "number": "53",
        "name": "PC12",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO (FT); also TMR11_CH1, I2C2_SDA, SPI3_MOSI, USART3_CK, UART5_TX and XMC_D3."
      },
      {
        "number": "54",
        "name": "PD2",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO (FT); also TMR3_EXT, USART3_RTS_DE, UART5_RX, SDIO1_CMD, DVP_D11 and XMC_NWE."
      },
      {
        "number": "55",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO with 20 mA sink capability (FTf) that is the JTDO/SWO trace output pin after reset; also TMR2_CH2 and SPI1_SCK."
      },
      {
        "number": "56",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO (FT) that is the NJTRST JTAG reset pin after reset; also TMR3_CH1, SPI1_MISO and SDIO1_D0."
      },
      {
        "number": "57",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO (FT); also TMR3_CH2, I2C1_SMBA, SPI1_MOSI, USART1_CK, CAN2_RX and SDIO1_D3."
      },
      {
        "number": "58",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO (FT); also TMR4_CH1, I2C1_SCL, USART1_TX, CAN2_TX, QSPI1_CS and SDIO1_D0."
      },
      {
        "number": "59",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO (FT); also TMR4_CH2, TMR8_BRK, I2C1_SDA, USART1_RX and QSPI2_IO1."
      },
      {
        "number": "60",
        "name": "BOOT0",
        "type": "input",
        "description": "Dedicated BOOT0 boot-mode pin with a built-in weak pull-down that cannot be disabled."
      },
      {
        "number": "61",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO (FT); also TMR2_CH1, TMR4_CH3, TMR10_CH1, I2C1_SCL, CAN1_RX and SDIO1_D4."
      },
      {
        "number": "62",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO with 20 mA sink capability (FTf); also IR_OUT, TMR2_CH2, TMR4_CH4, I2C1_SDA, CAN1_TX and SDIO1_D5."
      },
      {
        "number": "63",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "64",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply voltage, 2.6 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: Package variant LQFP64 10x10 mm selected from the MPN ordering code: R = 64 pins, T = LQFP (Table 77; The datasheet states that the XMC on the LQFP64 package supports only 8-bit LCD mode (footnote 3, pa"
        ],
        "pages_sent": 79,
        "cost_usd": 0.4605,
        "at": "2026-11-13T12:21:41"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/db4b0fe3cb2fe13951aac92c4deef420.pdf",
        "pages": 118,
        "sha256": "1dc0c659f12e7670",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 64,
        "described": 64,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "at32f437rmt7.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b0c827bc5c05552175d28affe44a5bd2ab45c9c36efff6ff07a74cc449b13db4",
        "checked": "2026-11-13",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "at32f437rmt7-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "9c902b7beca5e6b809161e420080d4dd47edcba28d2632c82a9dd9b4730a2147",
        "checked": "2026-11-13",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "LQFP64 – 10 x 10 mm",
      "source_page": 110,
      "D": {
        "nom_mm": 10,
        "range_mm": [
          9.9,
          10.1
        ]
      },
      "E1": {
        "nom_mm": 10,
        "range_mm": [
          9.9,
          10.1
        ]
      },
      "E": {
        "nom_mm": 12,
        "range_mm": [
          11.75,
          12.25
        ]
      },
      "e": {
        "nom_mm": 0.5,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.6,
        "range_mm": [
          null,
          1.6
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "at32f437rmt7.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ARTERY",
      "Package": "LQFP-64(10x10)",
      "Category": "Single Chip Microcomputer/Microcontroller",
      "Pins": "64"
    },
    "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": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "FTa引脚，输入浮空、输入上拉或输入下拉模式",
          "source_page": 47,
          "source": "datasheet"
        },
        {
          "name": "Voltage difference between 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 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 into supply pins (VDDA and VDD)",
          "symbol": "IVDD",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "",
          "source_page": 47,
          "source": "datasheet"
        },
        {
          "name": "Total current out of VSS ground line",
          "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 source current on any GPIO and control pin",
          "symbol": "IIO",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -25,
          "typ": null,
          "max": null,
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