AT32F403ARGT7

{
  "schema_version": 1,
  "type": "component",
  "slug": "at32f403argt7",
  "title": "AT32F403ARGT7",
  "brief": "ARTERY Microcontrollers (MCU/MPU/SOC), 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",
    "embedded processors & controllers",
    "at32f403argt7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "AT32F403ARGT7",
    "manufacturer": "ARTERY",
    "package": "LQFP-64(10x10)",
    "pin_count": 64,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588886679356641280",
    "parts": {
      "symbol": "at32f403argt7.kicad_sym",
      "footprint": "at32f403argt7.kicad_mod",
      "model_3d": "at32f403argt7-hero.glb",
      "model_3d_plain": "at32f403argt7-etched.glb",
      "model_3d_step": "at32f403argt7-etched.step",
      "model_3d_step_plain": "at32f403argt7.step",
      "lbr": "at32f403argt7.lbr"
    },
    "distributor_links": {
      "lcsc": "C528440"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T01:02:03Z",
      "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": "Backup-domain supply, 1.8 to 3.6 V, powers the RTC, the 32 kHz oscillator and the backup registers when VDD is off."
      },
      {
        "number": "2",
        "name": "PC13/TAMPER-RTC",
        "type": "bidirectional",
        "description": "General-purpose I/O (standard level, not 5 V tolerant) also used as TAMPER-RTC; it is supplied through a power switch limited to 3 mA, so as an output it is limited to moderate drive, 30 pF maximum load and no LED current sourcing."
      },
      {
        "number": "3",
        "name": "PC14/OSC32_IN",
        "type": "bidirectional",
        "description": "General-purpose I/O (standard level) that is OSC32_IN, the LSE 32.768 kHz crystal input, by default; same 3 mA power-switch and output limits as PC13."
      },
      {
        "number": "4",
        "name": "PC15/OSC32_OUT",
        "type": "bidirectional",
        "description": "General-purpose I/O (standard level) that is OSC32_OUT, the LSE 32.768 kHz crystal output, by default; same 3 mA power-switch and output limits as PC13."
      },
      {
        "number": "5",
        "name": "PD0/OSC_IN",
        "type": "bidirectional",
        "description": "Standard-level I/O that is OSC_IN, the HSE 4 to 25 MHz oscillator input, after reset; it can be remapped to PD0 by software."
      },
      {
        "number": "6",
        "name": "PD1/OSC_OUT",
        "type": "bidirectional",
        "description": "Standard-level I/O that is OSC_OUT, the HSE oscillator output, after reset; it can be remapped to PD1 by software."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "input",
        "description": "Active-low reset input with internal pull-up (RPU 30 to 50 kΩ); VIL max 0.8 V and VIH min 2 V, and the datasheet recommends a 0.1 µF filter capacitor."
      },
      {
        "number": "8",
        "name": "PC0",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with analog function (FTa), usable as ADC123_IN10 and SDIO2_D0; in analog mode the input must stay below VDD + 0.3 V."
      },
      {
        "number": "9",
        "name": "PC1",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with analog function (FTa), usable as ADC123_IN11 and SDIO2_D1; in analog mode the input must stay below VDD + 0.3 V."
      },
      {
        "number": "10",
        "name": "PC2",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with analog function (FTa), usable as ADC123_IN12, SDIO2_D2, UART8_TX and XMC_NWE; in analog mode the input must stay below VDD + 0.3 V."
      },
      {
        "number": "11",
        "name": "PC3",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with analog function (FTa), usable as ADC123_IN13, SDIO2_D3, XMC_A0 and UART8_RX; in analog mode the input must stay below VDD + 0.3 V."
      },
      {
        "number": "12",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground for ADC and DAC; must be connected to VSS."
      },
      {
        "number": "13",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply for ADC and DAC, 2.6 to 3.6 V; must be connected to VDD (up to 300 mV difference is allowed during power-up and operation)."
      },
      {
        "number": "14",
        "name": "PA0-WKUP",
        "type": "bidirectional",
        "description": "Standard-level I/O (TC, not 5 V tolerant) with ADC123_IN0, WKUP wake-up input, USART2_CTS and TMR2/TMR5/TMR8 functions."
      },
      {
        "number": "15",
        "name": "PA1",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with analog function (FTa), usable as ADC123_IN1, USART2_RTS, TMR2_CH2 and TMR5_CH2."
      },
      {
        "number": "16",
        "name": "PA2",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with analog function (FTa), usable as ADC123_IN2, USART2_TX, TMR2_CH3, TMR5_CH3, TMR9_CH1, SDIO2_CK and XMC_D4."
      },
      {
        "number": "17",
        "name": "PA3",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with analog function (FTa), usable as ADC123_IN3, USART2_RX, TMR2_CH4, TMR5_CH4, TMR9_CH2, I2S2_MCK, SDIO2_CMD and XMC_D5."
      },
      {
        "number": "18",
        "name": "VSS_4",
        "type": "power_in",
        "description": "Ground for the digital I/O and core."
      },
      {
        "number": "19",
        "name": "VDD_4",
        "type": "power_in",
        "description": "Digital supply for I/O pins and the internal regulator, 2.6 to 3.6 V."
      },
      {
        "number": "20",
        "name": "PA4",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with analog function (FTa), usable as DAC_OUT1, ADC12_IN4, USART2_CK, SPI1_NSS, I2S1_WS, USART6_TX, SPI3_NSS, I2S3_WS, SDIO2_D0 and XMC_D6."
      },
      {
        "number": "21",
        "name": "PA5",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with analog function (FTa), usable as DAC_OUT2, ADC12_IN5, SPI1_SCK, I2S1_CK, SDIO2_D5, USART6_RX, SDIO2_D1 and XMC_D7."
      },
      {
        "number": "22",
        "name": "PA6",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with analog function (FTa), usable as ADC12_IN6, SPI1_MISO, SDIO2_D6, TMR3_CH1, TMR8_BKIN, TMR13_CH1, I2S2_MCK, SDIO2_D2 and TMR1_BKIN."
      },
      {
        "number": "23",
        "name": "PA7",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with analog function (FTa), usable as ADC12_IN7, SPI1_MOSI, I2S1_SD, SDIO2_D7, TMR3_CH2, TMR8_CH1N, TMR14_CH1, SDIO2_D3 and TMR1_CH1N."
      },
      {
        "number": "24",
        "name": "PC4",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with analog function (FTa), usable as ADC12_IN14, SDIO2_CK and XMC_NE4."
      },
      {
        "number": "25",
        "name": "PC5",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with analog function (FTa), usable as ADC12_IN15, SDIO2_CMD and XMC_NOE."
      },
      {
        "number": "26",
        "name": "PB0",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with analog function (FTa), usable as ADC12_IN8, I2S1_MCK, TMR3_CH3, TMR8_CH2N and TMR1_CH2N."
      },
      {
        "number": "27",
        "name": "PB1",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with analog function (FTa), usable as ADC12_IN9, SPIM_SCK, TMR3_CH4, TMR8_CH3N and TMR1_CH3N."
      },
      {
        "number": "28",
        "name": "PB2/BOOT1",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O (FT) that also serves as the BOOT1 boot-mode configuration input."
      },
      {
        "number": "29",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O (FT) with USART3_TX, I2C2_SCL, I2S3_MCK, SPIM_IO0 and TMR2_CH3."
      },
      {
        "number": "30",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O (FT) with USART3_RX, I2C2_SDA, SPIM_IO1 and TMR2_CH4."
      },
      {
        "number": "31",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Ground for the digital I/O and core."
      },
      {
        "number": "32",
        "name": "VDD_1",
        "type": "power_in",
        "description": "Digital supply for I/O pins and the internal regulator, 2.6 to 3.6 V."
      },
      {
        "number": "33",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O (FT) with USART3_CK, CAN2_RX, I2C2_SMBA, SPI2_NSS, I2S2_WS, TMR1_BKIN and XMC_D13."
      },
      {
        "number": "34",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O (FT) with USART3_CTS, CAN2_TX, SPI2_SCK, I2S2_CK and TMR1_CH1N."
      },
      {
        "number": "35",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O (FT) with USART3_RTS, SPI2_MISO, I2S2ext_SD, TMR1_CH2N, TMR12_CH1 and XMC_D0."
      },
      {
        "number": "36",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O (FT) with SPI2_MOSI, I2S2_SD, TMR1_CH3N and TMR12_CH2."
      },
      {
        "number": "37",
        "name": "PC6",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O (FT) with USART6_TX, I2S2_MCK, SDIO1_D6, TMR8_CH1, XMC_D1 and TMR3_CH1."
      },
      {
        "number": "38",
        "name": "PC7",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O (FT) with USART6_RX, I2S3_MCK, SDIO1_D7, TMR8_CH2 and TMR3_CH2."
      },
      {
        "number": "39",
        "name": "PC8",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O (FT) with USART6_CK, I2S4_MCK, SDIO1_D0, TMR8_CH3 and TMR3_CH3."
      },
      {
        "number": "40",
        "name": "PC9",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O (FT) with I2C3_SDA, SDIO1_D1, TMR8_CH4 and TMR3_CH4."
      },
      {
        "number": "41",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O (FT) with CLKOUT, USART1_CK, I2C3_SCL, USB_SOF, SPIM_NSS and TMR1_CH1."
      },
      {
        "number": "42",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O (FT) with USART1_TX, I2C3_SMBA and TMR1_CH2; PA9 is the default USART1_TX of the bootloader."
      },
      {
        "number": "43",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O (FT) with USART1_RX, TMR1_CH3 and I2S4_MCK; PA10 is the default USART1_RX of the bootloader."
      },
      {
        "number": "44",
        "name": "PA11",
        "type": "bidirectional",
        "description": "Standard-level I/O (TC, not 5 V tolerant) that is USB_DM by default, also USART1_CTS, CAN1_RX, SPIM_IO0 and TMR1_CH4."
      },
      {
        "number": "45",
        "name": "PA12",
        "type": "bidirectional",
        "description": "Standard-level I/O (TC, not 5 V tolerant) that is USB_DP by default, also USART1_RTS, CAN1_TX, SPIM_IO1 and TMR1_ETR."
      },
      {
        "number": "46",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) that is the JTMS/SWDIO debug pin by default."
      },
      {
        "number": "47",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Ground for the digital I/O and core."
      },
      {
        "number": "48",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Digital supply for I/O pins and the internal regulator, 2.6 to 3.6 V."
      },
      {
        "number": "49",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) that is the JTCK/SWCLK debug pin by default."
      },
      {
        "number": "50",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) that is the JTDI debug pin by default, also SPI3_NSS, I2S3_WS, SPI1_NSS, I2S1_WS, TMR2_CH1 and TMR2_ETR after remap."
      },
      {
        "number": "51",
        "name": "PC10",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O (FT) with UART4_TX, SDIO1_D2, USART3_TX, SPI3_SCK and I2S3_CK."
      },
      {
        "number": "52",
        "name": "PC11",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O (FT) with UART4_RX, SDIO1_D3, USART3_RX, SPI3_MISO, I2S3ext_SD and XMC_D2."
      },
      {
        "number": "53",
        "name": "PC12",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O (FT) with UART5_TX, SDIO1_CK, USART3_CK, SPI3_MOSI, I2S3_SD and XMC_D3."
      },
      {
        "number": "54",
        "name": "PD2",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O (FT) with UART5_RX, SDIO1_CMD, TMR3_ETR and XMC_NWE."
      },
      {
        "number": "55",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) that is the JTDO/TRACESWO debug pin by default, also SPI3_SCK, I2S3_CK, UART7_RX, SPI1_SCK and TMR2_CH2."
      },
      {
        "number": "56",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) that is the NJTRST debug pin by default, also SPI3_MISO, I2S3ext_SD, SPI1_MISO, I2C3_SDA, UART7_TX and TMR3_CH1."
      },
      {
        "number": "57",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O (FT) with SPI3_MOSI, I2S3_SD, I2C1_SMBA, SPI1_MOSI, I2S1_SD, CAN2_RX and TMR3_CH2."
      },
      {
        "number": "58",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O (FT) with I2C1_SCL, SPIM_IO3, TMR4_CH1, USART1_TX, I2S1_MCK, SPI4_NSS, I2S4_WS and CAN2_TX."
      },
      {
        "number": "59",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O (FT) with I2C1_SDA, XMC_NADV, SPIM_IO2, TMR4_CH2, USART1_RX, SPI4_SCK and I2S4_CK."
      },
      {
        "number": "60",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot-mode selection input that sets the start-up memory; it has an internal weak pull-down that cannot be disabled."
      },
      {
        "number": "61",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O (FT) with SDIO1_D4, TMR4_CH3, TMR10_CH1, UART5_RX, SPI4_MISO, I2C1_SCL and CAN1_RX."
      },
      {
        "number": "62",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O (FT) with SDIO1_D5, TMR4_CH4, TMR11_CH1, UART5_TX, SPI4_MOSI, I2S4_SD, I2C1_SDA and CAN1_TX."
      },
      {
        "number": "63",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Ground for the digital I/O and core."
      },
      {
        "number": "64",
        "name": "VDD_3",
        "type": "power_in",
        "description": "Digital supply for I/O pins and the internal regulator, 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: Datasheet lists NRST as type 'I/O'; it is mapped to KiCad 'input' because it is a reset input with i; BOOT0 is listed as type 'I' in Table 6 and is mapped to 'input'. Section 5.3.14 notes its internal p; Table 6 column layout is compressed in the extracted text (LQFP48/QFN48 share one number, followed b"
        ],
        "pages_sent": 79,
        "cost_usd": 0.3362,
        "at": "2026-10-18T00:59:50"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588886679356641280",
        "pages": 96,
        "sha256": "602689c1ae94c051",
        "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": "at32f403argt7.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": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "at32f403argt7-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": "cbb9dfcf08f48978b10694596b76949eabbcaef120af2a95c8be96d425ce7cd2",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ARTERY",
      "Package": "LQFP-64(10x10)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "64"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "602689c1ae94c051f4e5118cba9ba04e64d2f67391b67940a3263a4d0261466e",
      "rows": [
        {
          "name": "SD/MMC data transfer clock frequency",
          "symbol": "fPP",
          "kind": "timing",
          "unit": "MHz",
          "min": 0,
          "typ": null,
          "max": 48,
          "conditions": "CL ≤ 30 pF",
          "source_page": 77,
          "source": "datasheet"
        },
        {
          "name": "SD/MMC clock low time",
          "symbol": "tW(CKL)",
          "kind": "timing",
          "unit": "ns",
          "min": 32,
          "typ": null,
          "max": null,
          "conditions": "CL ≤ 30 pF",
          "source_page": 77,
          "source": "datasheet"
        },
        {
          "name": "SD/MMC clock high time",
          "symbol": "tW(CKH)",
          "kind": "timing",
          "unit": "ns",
          "min": 30,
          "typ": null,
          "max": null,
          "conditions": "CL ≤ 30 pF",
          "source_page": 77,
          "source": "datasheet"
        },
        {
          "name": "SD/MMC clock rise time",
          "symbol": "tr",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "CL ≤ 30 pF",
          "source_page": 77,
          "source": "datasheet"
        },
        {
          "name": "SD/MMC clock fall time",
          "symbol": "tf",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "CL ≤ 30 pF",
          "source_page": 77,
          "source": "datasheet"
        },
        {
          "name": "CMD, D input setup time (referenced to CK)",
          "symbol": "tISU",
          "kind": "timing",
          "unit": "ns",
          "min": 2,
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