AT32F437RGT7

{
  "schema_version": 1,
  "type": "component",
  "slug": "at32f437rgt7",
  "title": "AT32F437RGT7",
  "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",
    "at32f437rgt7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "AT32F437RGT7",
    "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": "at32f437rgt7.kicad_sym",
      "footprint": "at32f437rgt7.kicad_mod",
      "model_3d": "at32f437rgt7-hero.glb",
      "model_3d_plain": "at32f437rgt7-etched.glb",
      "model_3d_step": "at32f437rgt7-etched.step",
      "model_3d_step_plain": "at32f437rgt7.step",
      "lbr": "at32f437rgt7.lbr"
    },
    "distributor_links": {
      "lcsc": "C5178942"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T23:16:15Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 579 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VBAT",
        "type": "power_in",
        "description": "Battery supply (1.62-3.6 V) for the VBAT domain (ERTC, LEXT, BPR) when VDD is absent."
      },
      {
        "number": "2",
        "name": "PC13",
        "type": "bidirectional",
        "description": "FT I/O powered through a switch limited to 3 mA, so not usable as a current source when output; additional functions ERTC_AF1 / WKUP2."
      },
      {
        "number": "3",
        "name": "PC14",
        "type": "bidirectional",
        "description": "TC I/O (PC14) with LEXT_IN 32 kHz oscillator input; 3 mA output-drive limit."
      },
      {
        "number": "4",
        "name": "PC15",
        "type": "bidirectional",
        "description": "TC I/O (PC15) with LEXT_OUT 32 kHz oscillator output; 3 mA output-drive limit."
      },
      {
        "number": "5",
        "name": "PH0",
        "type": "bidirectional",
        "description": "TC I/O (PH0) with HEXT_IN 4-25 MHz oscillator input; alternate function I2C1_SDA."
      },
      {
        "number": "6",
        "name": "PH1",
        "type": "bidirectional",
        "description": "TC I/O (PH1) with HEXT_OUT oscillator output; alternate function I2C1_SCL."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Active-low device reset input / internal reset output with built-in weak pull-up."
      },
      {
        "number": "8",
        "name": "PC0",
        "type": "bidirectional",
        "description": "FTa I/O; I2C3_SCL, UART7_TX, SDIO2_D0, XMC_SDNWE; analog ADC123_IN10."
      },
      {
        "number": "9",
        "name": "PC1",
        "type": "bidirectional",
        "description": "FTa I/O; I2C3_SDA, SPI3_MOSI/I2S3_SD, SPI2_MOSI/I2S2_SD, UART7_RX, SDIO2_D1, EMAC_MDC; analog ADC123_IN11."
      },
      {
        "number": "10",
        "name": "PC2",
        "type": "bidirectional",
        "description": "FTa I/O; TMR20_CH2, SPI2_MISO, UART8_TX, SDIO2_D2, EMAC_MII_TXD2, XMC_SDCS0, XMC_NWE; analog ADC123_IN12."
      },
      {
        "number": "11",
        "name": "PC3",
        "type": "bidirectional",
        "description": "FTa I/O; SPI2_MOSI/I2S2_SD, UART8_RX, QSPI2_IO1, SDIO2_D3, EMAC_MII_TX_CLK, XMC_SDCKE0, XMC_A0; analog ADC123_IN13."
      },
      {
        "number": "12",
        "name": "VSSA/VREF-",
        "type": "power_in",
        "description": "Analog ground / negative reference voltage."
      },
      {
        "number": "13",
        "name": "VDDA/VREF+",
        "type": "power_in",
        "description": "Analog supply (2.6-3.6 V, must equal VDD) / positive reference voltage."
      },
      {
        "number": "14",
        "name": "PA0",
        "type": "bidirectional",
        "description": "FTa I/O; TMR2_CH1/EXT, TMR5_CH1, TMR8_EXT, I2C2_SCL, USART2_CTS, UART4_TX, EMAC_MII_CRS; analog ADC123_IN0, ERTC_AF2, WKUP1."
      },
      {
        "number": "15",
        "name": "PA1",
        "type": "bidirectional",
        "description": "FTa I/O; TMR2_CH2, TMR5_CH2, I2C2_SDA, SPI4_MOSI, USART2_RTS_DE, UART4_RX, QSPI1_IO3, EMAC clock functions; analog ADC123_IN1."
      },
      {
        "number": "16",
        "name": "PA2",
        "type": "bidirectional",
        "description": "FTa I/O; TMR2_CH3, TMR5_CH3, TMR9_CH1, USART2_TX, SDIO2_CK, EMAC_MDIO, XMC_D4; analog ADC123_IN2."
      },
      {
        "number": "17",
        "name": "PA3",
        "type": "bidirectional",
        "description": "FTa I/O; TMR2_CH4, TMR5_CH4, TMR9_CH2, I2S2_MCK, USART2_RX, QSPI2_IO3, SDIO2_CMD, EMAC_MII_COL, XMC_D5; analog ADC123_IN3."
      },
      {
        "number": "18",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "19",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply (2.6-3.6 V)."
      },
      {
        "number": "20",
        "name": "PA4",
        "type": "bidirectional",
        "description": "FTa I/O; SPI1_CS/I2S1_WS, SPI3_CS/I2S3_WS, USART2_CK, USART6_TX, SDIO2, OTGFS2_SOF, DVP_HSYNC, XMC_D6; analog ADC12_IN4 / DAC1_OUT."
      },
      {
        "number": "21",
        "name": "PA5",
        "type": "bidirectional",
        "description": "FTa I/O; TMR2_CH1/EXT, TMR8_CH1C, SPI1_SCK/I2S1_CK, USART6_RX, QSPI2_IO2, SDIO2, XMC_D7; analog ADC12_IN5 / DAC2_OUT."
      },
      {
        "number": "22",
        "name": "PA6",
        "type": "bidirectional",
        "description": "FTa I/O; TMR1_BRK, TMR3_CH1, TMR8_BRK, SPI1_MISO, USART3_CTS, TMR13_CH1, QSPI1_IO0, SDIO, DVP_PCLK; analog ADC12_IN6."
      },
      {
        "number": "23",
        "name": "PA7",
        "type": "bidirectional",
        "description": "FTa I/O; TMR1_CH1C, TMR3_CH2, TMR8_CH1C, SPI1_MOSI/I2S1_SD, TMR14_CH1, QSPI1_IO1, EMAC RX_DV, XMC_SDNWE, SDIO2; analog ADC12_IN7."
      },
      {
        "number": "24",
        "name": "PC4",
        "type": "bidirectional",
        "description": "FTa I/O; TMR9_CH1, I2S1_MCK, USART3_TX, QSPI1_IO2, EMAC_RXD0, XMC_SDCS0, SDIO2_CK, XMC_NE4; analog ADC12_IN14."
      },
      {
        "number": "25",
        "name": "PC5",
        "type": "bidirectional",
        "description": "FTa I/O; TMR9_CH2, I2C1_SMBA, USART3_RX, QSPI1_IO3, EMAC_RXD1, XMC_SDCKE0, SDIO2_CMD, XMC_NOE; analog ADC12_IN15."
      },
      {
        "number": "26",
        "name": "PB0",
        "type": "bidirectional",
        "description": "FTa I/O; TMR1_CH2C, TMR3_CH3, TMR8_CH2C, I2S1_MCK, USART2_RX, SPI3_MOSI, USART3_CK, QSPI, EMAC_MII_RXD2, SDIO1_D1; analog ADC12_IN8."
      },
      {
        "number": "27",
        "name": "PB1",
        "type": "bidirectional",
        "description": "FTa I/O; TMR1_CH3C, TMR3_CH4, TMR8_CH3C, SPI2_SCK/I2S2_CK, USART3_RTS_DE, QSPI1/2_SCK, EMAC_MII_RXD3, SDIO1_D2; analog ADC12_IN9."
      },
      {
        "number": "28",
        "name": "PB2/BOOT1",
        "type": "bidirectional",
        "description": "FT I/O (PB2 after reset) also BOOT1; TMR2_CH4, TMR20_CH1, I2C3_SMBA, SPI3_MOSI/I2S3_SD, QSPI1_SCK, SDIO1_CK."
      },
      {
        "number": "29",
        "name": "PB10",
        "type": "bidirectional",
        "description": "FTf I/O (20 mA sink); TMR2_CH3, I2C2_SCL, SPI2_SCK/I2S2_CK, I2S3_MCK, USART3_TX, QSPI1, EMAC_MII_RX_ER, SDIO1_D7, XMC_NOE."
      },
      {
        "number": "30",
        "name": "PB11",
        "type": "bidirectional",
        "description": "FT I/O; TMR2_CH4, TMR5_CH4, I2C2_SDA, USART3_RX, QSPI1_IO0, EMAC_MII_TX_EN / EMAC_RMII_TX_EN."
      },
      {
        "number": "31",
        "name": "PH3",
        "type": "bidirectional",
        "description": "FT I/O; TMR5_CH2, I2C2_SDA, UART4_TX, QSPI1_IO1."
      },
      {
        "number": "32",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply (2.6-3.6 V)."
      },
      {
        "number": "33",
        "name": "PB12",
        "type": "bidirectional",
        "description": "FT I/O; TMR1_BRK, TMR5_CH1, I2C2_SMBA, SPI2_CS/I2S2_WS, SPI4_CS, SPI3_SCK, USART3_CK, CAN2_RX, EMAC_TXD0, OTGFS2_ID, XMC_D13."
      },
      {
        "number": "34",
        "name": "PB13",
        "type": "bidirectional",
        "description": "FT I/O; TMR1_CH1C, I2C3_SMBA/SCL, SPI2_SCK, SPI4_SCK, USART3_CTS, CAN2_TX, EMAC_TXD1, OTGFS2_VBUS."
      },
      {
        "number": "35",
        "name": "PB14",
        "type": "bidirectional",
        "description": "TC I/O; TMR1_CH2C, TMR8_CH2C, I2C3_SDA, SPI2_MISO, USART3_RTS_DE, TMR12_CH1, OTGFS2_D-, SDIO1_D6, XMC_D0."
      },
      {
        "number": "36",
        "name": "PB15",
        "type": "bidirectional",
        "description": "TC I/O; ERTC_REFIN, TMR1_CH3C, TMR8_CH3C, I2C3_SCL, SPI2_MOSI/I2S2_SD, TMR12_CH2, OTGFS2_D+, SDIO1_CK."
      },
      {
        "number": "37",
        "name": "PC6",
        "type": "bidirectional",
        "description": "FT I/O; TMR3_CH1, TMR8_CH1, I2C1_SCL, I2S2_MCK, USART6_TX, XMC_A0, SDIO1_D6, DVP_D0, XMC_D1."
      },
      {
        "number": "38",
        "name": "PC7",
        "type": "bidirectional",
        "description": "FT I/O; TMR3_CH2, TMR8_CH2, I2C1_SDA, SPI2_SCK, I2S3_MCK, USART6_RX, XMC_A1, SDIO1_D7, DVP_D1."
      },
      {
        "number": "39",
        "name": "PC8",
        "type": "bidirectional",
        "description": "FT I/O; TMR3_CH3, TMR8_CH3, I2S4_MCK, TMR20_CH3, UART8_TX, USART6_CK, QSPI1_IO2, XMC_A2, SDIO1_D0, DVP_D2."
      },
      {
        "number": "40",
        "name": "PC9",
        "type": "bidirectional",
        "description": "FT I/O; CLKOUT2, TMR3_CH4, TMR8_CH4, I2C3_SDA, UART8_RX, QSPI1_IO0, XMC_A3, OTGFS2_OE, SDIO1_D1, DVP_D3."
      },
      {
        "number": "41",
        "name": "PA8",
        "type": "bidirectional",
        "description": "FT I/O; CLKOUT1, TMR1_CH1, I2C3_SCL, USART1_CK, USART2_TX, OTGFS1_SOF, SDIO1_D1, XMC_A4."
      },
      {
        "number": "42",
        "name": "PA9",
        "type": "bidirectional",
        "description": "FT I/O; TMR1_CH2, I2C3_SMBA, SPI2_SCK, USART1_TX, I2C1_SCL, OTGFS1_VBUS, SDIO1_D2, DVP_D0; bootloader USART1_TX."
      },
      {
        "number": "43",
        "name": "PA10",
        "type": "bidirectional",
        "description": "FT I/O; TMR1_CH3, SPI2_MOSI, I2S4_MCK, USART1_RX, I2C1_SDA, OTGFS1_ID, DVP_D1; bootloader USART1_RX."
      },
      {
        "number": "44",
        "name": "PA11",
        "type": "bidirectional",
        "description": "TC I/O; TMR1_CH4, I2C2_SCL, SPI2_CS, SPI4_MISO, USART1_CTS, USART6_TX, CAN1_RX, OTGFS1_D-, DVP_D2."
      },
      {
        "number": "45",
        "name": "PA12",
        "type": "bidirectional",
        "description": "TC I/O; TMR1_EXT, I2C2_SDA, SPI2_MISO, USART1_RTS_DE, USART6_RX, CAN1_TX, OTGFS1_D+, DVP_D3."
      },
      {
        "number": "46",
        "name": "PA13",
        "type": "bidirectional",
        "description": "FT I/O, JTMS/SWDIO after reset; also IR_OUT, SPI3_MISO, OTGFS1_OE."
      },
      {
        "number": "47",
        "name": "PH2",
        "type": "bidirectional",
        "description": "FT I/O; TMR5_CH1, I2C2_SCL, UART4_RX, QSPI1_IO0."
      },
      {
        "number": "48",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply (2.6-3.6 V)."
      },
      {
        "number": "49",
        "name": "PA14",
        "type": "bidirectional",
        "description": "FT I/O, JTCK/SWCLK after reset; also SPI3_MOSI/I2S3_SD, USART2_TX."
      },
      {
        "number": "50",
        "name": "PA15",
        "type": "bidirectional",
        "description": "FT I/O, JTDI after reset; TMR2_CH1, SPI1_CS, SPI3_CS, USART1_TX, USART2_RX, QSPI, XMC_NE2/NCE3."
      },
      {
        "number": "51",
        "name": "PC10",
        "type": "bidirectional",
        "description": "FT I/O; TMR5_CH2, SPI3_SCK, USART3_TX, UART4_TX, QSPI1_IO1, SDIO1_D2, DVP_D8."
      },
      {
        "number": "52",
        "name": "PC11",
        "type": "bidirectional",
        "description": "FT I/O; TMR5_CH3, I2S3_SDEXT, SPI3_MISO, USART3_RX, UART4_RX, QSPI1_CS, SDIO1_D3, DVP_D4, XMC_D2."
      },
      {
        "number": "53",
        "name": "PC12",
        "type": "bidirectional",
        "description": "FT I/O; TMR11_CH1, I2C2_SDA, SPI3_MOSI, USART3_CK, UART5_TX, SDIO1_CK, DVP_D9, XMC_D3."
      },
      {
        "number": "54",
        "name": "PD2",
        "type": "bidirectional",
        "description": "FT I/O; TMR3_EXT, USART3_RTS_DE, UART5_RX, XMC_A7, SDIO1_CMD, DVP_D11, XMC_NWE."
      },
      {
        "number": "55",
        "name": "PB3",
        "type": "bidirectional",
        "description": "FTf I/O, JTDO after reset; TMR2_CH2, I2C2_SDA, SPI1_SCK, SPI3_SCK, USART1_RX, UART7_RX, QSPI1_IO3, DVP_D4, SWO."
      },
      {
        "number": "56",
        "name": "PB4",
        "type": "bidirectional",
        "description": "FT I/O, NJTRST after reset; TMR3_CH1, I2C3_SDA, SPI1_MISO, SPI3_MISO, UART7_TX, SDIO1_D0, DVP_D5."
      },
      {
        "number": "57",
        "name": "PB5",
        "type": "bidirectional",
        "description": "FT I/O; TMR3_CH2, I2C1_SMBA, SPI1_MOSI, SPI3_MOSI, USART1_CK, UART5_RX, CAN2_RX, EMAC_PPS_OUT, XMC_SDCKE1, DVP_D10, SDIO1_D3."
      },
      {
        "number": "58",
        "name": "PB6",
        "type": "bidirectional",
        "description": "FT I/O; TMR4_CH1, I2C1_SCL, I2S1_MCK, SPI4_CS, USART1_TX, UART5_TX, CAN2_TX, QSPI1_CS, XMC_SDCS1, DVP_D5, SDIO1_D0."
      },
      {
        "number": "59",
        "name": "PB7",
        "type": "bidirectional",
        "description": "FT I/O; TMR4_CH2, TMR8_BRK, I2C1_SDA, SPI4_SCK, USART1_RX, QSPI2_IO1, XMC_NADV, DVP_VSYNC, SDIO1_D0."
      },
      {
        "number": "60",
        "name": "BOOT0",
        "type": "input",
        "description": "Dedicated boot mode selection input with built-in non-disableable weak pull-down."
      },
      {
        "number": "61",
        "name": "PB8",
        "type": "bidirectional",
        "description": "FT I/O; TMR2_CH1, TMR4_CH3, TMR10_CH1, I2C1_SCL, SPI4_MISO, UART5_RX, CAN1_RX, QSPI2_CS, EMAC_MII_TXD3, SDIO1_D4, DVP_D6."
      },
      {
        "number": "62",
        "name": "PB9",
        "type": "bidirectional",
        "description": "FTf I/O (20 mA sink); IR_OUT, TMR2_CH2, TMR4_CH4, TMR11_CH1, I2C1_SDA, SPI2_CS, SPI4_MOSI, UART5_TX, CAN1_TX, QSPI1_CS, SDIO1_D5, DVP_D7."
      },
      {
        "number": "63",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "64",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply (2.6-3.6 V)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pins 12 and 13 are combined VSSA/VREF- and VDDA/VREF+ in LQFP64; typed power_in as the datasheet giv; PB2 is listed as 'PB2 / BOOT1' with I/O type; typed bidirectional. Descriptions of multiplexed funct; The AT32F437 table lists the RG variant in LQFP64; the datasheet pin table is shared across AT32F435"
        ],
        "pages_sent": 79,
        "cost_usd": 0.6471,
        "at": "2026-10-22T23:15:55"
      },
      "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": "at32f437rgt7.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": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "at32f437rgt7-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": "4a6b9927f1fec848d7468482f8a366663e312fcd49b58bf7c2a297cc0747260b",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "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",
          "symbol": "VDDx-VSS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
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