AT32F403ARCT7

{
  "slug": "at32f403arct7",
  "version": "0.1.0",
  "type": "component",
  "description": "ARTERY Microcontrollers (MCU/MPU/SOC), LQFP-64(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "at32f403arct7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "at32f403arct7.kicad_sym",
    "at32f403arct7.kicad_mod",
    "at32f403arct7.glb",
    "at32f403arct7.step",
    "at32f403arct7.lbr",
    "docs/hero.png",
    "docs/at32f403arct7-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "at32f403arct7-hero.glb",
    "at32f403arct7-hero.overlay.json",
    "at32f403arct7-etched.glb"
  ],
  "component": {
    "mpn": "AT32F403ARCT7",
    "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/8588893564943650816",
    "parts": {
      "symbol": "at32f403arct7.kicad_sym",
      "footprint": "at32f403arct7.kicad_mod",
      "model_3d": "at32f403arct7-hero.glb",
      "model_3d_plain": "at32f403arct7-etched.glb",
      "model_3d_step": "at32f403arct7-etched.step",
      "model_3d_step_plain": "at32f403arct7.step",
      "lbr": "at32f403arct7.lbr"
    },
    "distributor_links": {
      "lcsc": "C528439"
    },
    "distributor_check": {
      "checked_at": "2026-10-16T21:26:54Z",
      "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": "Backup-domain supply input at 1.8 to 3.6 V that powers the RTC, the external 32 kHz oscillator and the backup registers when VDD is off."
      },
      {
        "number": "2",
        "name": "PC13/TAMPER-RTC",
        "type": "bidirectional",
        "description": "Standard-level I/O (TC) with TAMPER-RTC function, powered through the VBAT power switch, which limits it to 3 mA so it may only be used as a moderate-drive output with max 30 pF load and not as a current source."
      },
      {
        "number": "3",
        "name": "PC14/OSC32_IN",
        "type": "bidirectional",
        "description": "Standard-level I/O (TC) that serves as the OSC32_IN input of the 32.768 kHz LSE crystal, with the same 3 mA power-switch limit when used as an output."
      },
      {
        "number": "4",
        "name": "PC15/OSC32_OUT",
        "type": "bidirectional",
        "description": "Standard-level I/O (TC) that serves as the OSC32_OUT output of the 32.768 kHz LSE crystal, with the same 3 mA power-switch limit when used as an output."
      },
      {
        "number": "5",
        "name": "PD0/OSC_IN",
        "type": "bidirectional",
        "description": "After reset this 5 V-tolerant pin (FT) is the HSE oscillator input (4 to 25 MHz crystal), and software may reconfigure it as PD0 on LQFP64."
      },
      {
        "number": "6",
        "name": "PD1/OSC_OUT",
        "type": "bidirectional",
        "description": "After reset this 5 V-tolerant pin (FT) is the HSE oscillator output, and software may reconfigure it as PD1 on LQFP64."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "input",
        "description": "Active-low reset input with internal pull-up of about 40 kΩ (30 to 50 kΩ) and 500 mV Schmitt hysteresis, which requires the external reset protection shown in the datasheet."
      },
      {
        "number": "8",
        "name": "PC0",
        "type": "bidirectional",
        "description": "5 V-tolerant analog-capable I/O (FTa) with ADC123_IN10 and SDIO2_D0 functions; in analog mode the input must stay below VDD + 0.3 V."
      },
      {
        "number": "9",
        "name": "PC1",
        "type": "bidirectional",
        "description": "5 V-tolerant analog-capable I/O (FTa) with ADC123_IN11 and SDIO2_D1 functions; in analog mode the input must stay below VDD + 0.3 V."
      },
      {
        "number": "10",
        "name": "PC2",
        "type": "bidirectional",
        "description": "5 V-tolerant analog-capable I/O (FTa) with ADC123_IN12 and SDIO2_D2 functions; remap options include UART8_TX and XMC_NWE."
      },
      {
        "number": "11",
        "name": "PC3",
        "type": "bidirectional",
        "description": "5 V-tolerant analog-capable I/O (FTa) with ADC123_IN13, SDIO2_D3 and XMC_A0 functions; remap option is UART8_RX."
      },
      {
        "number": "12",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground, which must be connected to VSS."
      },
      {
        "number": "13",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply for the ADC and DAC at 2.6 to 3.6 V, which must be connected to VDD (at most 300 mV difference during operation)."
      },
      {
        "number": "14",
        "name": "PA0/WKUP",
        "type": "bidirectional",
        "description": "Standard-level I/O (TC) with ADC123_IN0, WKUP wake-up, USART2_CTS, TMR2_CH1/TMR2_ETR, TMR5_CH1 and TMR8_ETR functions; remap option is UART4_TX."
      },
      {
        "number": "15",
        "name": "PA1",
        "type": "bidirectional",
        "description": "5 V-tolerant analog-capable I/O (FTa) with ADC123_IN1, USART2_RTS, TMR2_CH2 and TMR5_CH2 functions; remap option is UART4_RX."
      },
      {
        "number": "16",
        "name": "PA2",
        "type": "bidirectional",
        "description": "5 V-tolerant analog-capable I/O (FTa) with ADC123_IN2, USART2_TX, TMR2_CH3, TMR5_CH3 and TMR9_CH1 functions."
      },
      {
        "number": "17",
        "name": "PA3",
        "type": "bidirectional",
        "description": "5 V-tolerant analog-capable I/O (FTa) with ADC123_IN3, USART2_RX, TMR2_CH4, TMR5_CH4 and TMR9_CH2 functions."
      },
      {
        "number": "18",
        "name": "VSS_4",
        "type": "power_in",
        "description": "Ground pin for the I/O and digital supply domain."
      },
      {
        "number": "19",
        "name": "VDD_4",
        "type": "power_in",
        "description": "I/O and internal regulator supply at 2.6 to 3.6 V."
      },
      {
        "number": "20",
        "name": "PA4",
        "type": "bidirectional",
        "description": "5 V-tolerant analog-capable I/O (FTa) with DAC_OUT1, ADC12_IN4, USART2_CK, SPI1_NSS, I2S1_WS and SDIO2_D4 functions."
      },
      {
        "number": "21",
        "name": "PA5",
        "type": "bidirectional",
        "description": "5 V-tolerant analog-capable I/O (FTa) with DAC_OUT2, ADC12_IN5, SPI1_SCK, I2S1_CK and SDIO2_D5 functions."
      },
      {
        "number": "22",
        "name": "PA6",
        "type": "bidirectional",
        "description": "5 V-tolerant analog-capable I/O (FTa) with ADC12_IN6, SPI1_MISO, SDIO2_D6, TMR3_CH1, TMR8_BKIN and TMR13_CH1 functions."
      },
      {
        "number": "23",
        "name": "PA7",
        "type": "bidirectional",
        "description": "5 V-tolerant analog-capable I/O (FTa) with ADC12_IN7, SPI1_MOSI, I2S1_SD, SDIO2_D7, TMR3_CH2, TMR8_CH1N and TMR14_CH1 functions."
      },
      {
        "number": "24",
        "name": "PC4",
        "type": "bidirectional",
        "description": "5 V-tolerant analog-capable I/O (FTa) with ADC12_IN14, SDIO2_CK and XMC_NE4 functions."
      },
      {
        "number": "25",
        "name": "PC5",
        "type": "bidirectional",
        "description": "5 V-tolerant analog-capable I/O (FTa) with ADC12_IN15, SDIO2_CMD and XMC_NOE functions."
      },
      {
        "number": "26",
        "name": "PB0",
        "type": "bidirectional",
        "description": "5 V-tolerant analog-capable I/O (FTa) with ADC12_IN8, I2S1_MCK, TMR3_CH3 and TMR8_CH2N functions; remap option is TMR1_CH2N."
      },
      {
        "number": "27",
        "name": "PB1",
        "type": "bidirectional",
        "description": "5 V-tolerant analog-capable I/O (FTa) with ADC12_IN9, SPIM_SCK, TMR3_CH4 and TMR8_CH3N functions; remap option is TMR1_CH3N."
      },
      {
        "number": "28",
        "name": "PB2/BOOT1",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) that is also the BOOT1 boot-mode pin."
      },
      {
        "number": "29",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with USART3_TX and I2C2_SCL functions; remap options include I2S3_MCK, SPIM_IO0 and TMR2_CH3."
      },
      {
        "number": "30",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with USART3_RX and I2C2_SDA functions; remap options include SPIM_IO1 and TMR2_CH4."
      },
      {
        "number": "31",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Ground pin for the I/O and digital supply domain."
      },
      {
        "number": "32",
        "name": "VDD_1",
        "type": "power_in",
        "description": "I/O and internal regulator supply at 2.6 to 3.6 V."
      },
      {
        "number": "33",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with USART3_CK, CAN2_RX, I2C2_SMBA, SPI2_NSS, I2S2_WS and TMR1_BKIN functions; remap option is XMC_D13."
      },
      {
        "number": "34",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with USART3_CTS, CAN2_TX, SPI2_SCK, I2S2_CK and TMR1_CH1N functions."
      },
      {
        "number": "35",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with USART3_RTS, SPI2_MISO, I2S2ext_SD, TMR1_CH2N and TMR12_CH1 functions; remap option is XMC_D0."
      },
      {
        "number": "36",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with SPI2_MOSI, I2S2_SD, TMR1_CH3N and TMR12_CH2 functions."
      },
      {
        "number": "37",
        "name": "PC6",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with USART6_TX, I2S2_MCK, SDIO1_D6 and TMR8_CH1 functions; remap options include XMC_D1 and TMR3_CH1."
      },
      {
        "number": "38",
        "name": "PC7",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with USART6_RX, I2S3_MCK, SDIO1_D7 and TMR8_CH2 functions; remap option is TMR3_CH2."
      },
      {
        "number": "39",
        "name": "PC8",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with USART6_CK, I2S4_MCK, SDIO1_D0 and TMR8_CH3 functions; remap option is TMR3_CH3."
      },
      {
        "number": "40",
        "name": "PC9",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with I2C3_SDA, SDIO1_D1 and TMR8_CH4 functions; remap option is TMR3_CH4."
      },
      {
        "number": "41",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with CLKOUT, USART1_CK, I2C3_SCL, USB_SOF, SPIM_NSS and TMR1_CH1 functions."
      },
      {
        "number": "42",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with USART1_TX, I2C3_SMBA and TMR1_CH2 functions."
      },
      {
        "number": "43",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with USART1_RX and TMR1_CH3 functions; remap option is I2S4_MCK."
      },
      {
        "number": "44",
        "name": "PA11",
        "type": "bidirectional",
        "description": "Standard-level I/O (TC) that is the USB_DM full-speed data line, also with USART1_CTS, CAN1_RX, SPIM_IO0 and TMR1_CH4 functions."
      },
      {
        "number": "45",
        "name": "PA12",
        "type": "bidirectional",
        "description": "Standard-level I/O (TC) that is the USB_DP full-speed data line with internal pull-up of 0.97 to 1.58 kΩ, also with USART1_RTS, CAN1_TX, SPIM_IO1 and TMR1_ETR functions."
      },
      {
        "number": "46",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) whose default function is the JTMS-SWDIO serial-wire debug data pin."
      },
      {
        "number": "47",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Ground pin for the I/O and digital supply domain."
      },
      {
        "number": "48",
        "name": "VDD_2",
        "type": "power_in",
        "description": "I/O and internal regulator supply at 2.6 to 3.6 V."
      },
      {
        "number": "49",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) whose default function is the JTCK-SWCLK serial-wire debug clock pin."
      },
      {
        "number": "50",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) whose default function is JTDI; alternate functions include SPI3_NSS and I2S3_WS."
      },
      {
        "number": "51",
        "name": "PC10",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with UART4_TX and SDIO1_D2 functions; remap options include USART3_TX, SPI3_SCK and I2S3_CK."
      },
      {
        "number": "52",
        "name": "PC11",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with UART4_RX and SDIO1_D3 functions; remap options include USART3_RX, SPI3_MISO, I2S3ext_SD and XMC_D2."
      },
      {
        "number": "53",
        "name": "PC12",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with UART5_TX and SDIO1_CK functions; remap options include USART3_CK, SPI3_MOSI, I2S3_SD and XMC_D3."
      },
      {
        "number": "54",
        "name": "PD2",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with UART5_RX, SDIO1_CMD and TMR3_ETR functions; remap option is XMC_NWE."
      },
      {
        "number": "55",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) whose default function is the JTDO serial-wire trace output; alternate functions include SPI3_SCK and I2S3_CK."
      },
      {
        "number": "56",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) whose default function is NJTRST (JTAG test reset); alternate functions include SPI3_MISO and I2S3ext_SD."
      },
      {
        "number": "57",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with SPI3_MOSI, I2S3_SD and I2C1_SMBA functions; remap options include SPI1_MOSI, I2S1_SD, CAN2_RX and TMR3_CH2."
      },
      {
        "number": "58",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with I2C1_SCL, SPIM_IO3 and TMR4_CH1 functions; remap options include USART1_TX, I2S1_MCK, SPI4_NSS, I2S4_WS and CAN2_TX."
      },
      {
        "number": "59",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with I2C1_SDA, XMC_NADV, SPIM_IO2 and TMR4_CH2 functions; remap options include USART1_RX, SPI4_SCK and I2S4_CK."
      },
      {
        "number": "60",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot-mode select input whose internal weak pull-down cannot be disabled."
      },
      {
        "number": "61",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with SDIO1_D4, TMR4_CH3 and TMR10_CH1 functions; remap options include UART5_RX, SPI4_MISO, I2C1_SCL and CAN1_RX."
      },
      {
        "number": "62",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with SDIO1_D5, TMR4_CH4 and TMR11_CH1 functions; remap options include UART5_TX, SPI4_MOSI, I2S4_SD, I2C1_SDA and CAN1_TX."
      },
      {
        "number": "63",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Ground pin for the I/O and digital supply domain."
      },
      {
        "number": "64",
        "name": "VDD_3",
        "type": "power_in",
        "description": "I/O and internal regulator supply at 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: Table 6 in the text extract collapses the QFN48 column and drops some dashes, so the LQFP64 pin numb; Datasheet table 6 lists NRST as type I/O, but it is a reset input with pull-up. It is classified her; Pins 5 and 6 (PD0/OSC_IN, PD1/OSC_OUT) default to the HSE oscillator after reset and can be reassign"
        ],
        "pages_sent": 79,
        "cost_usd": 0.335,
        "at": "2026-10-16T21:26:26"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588893564943650816",
        "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": "at32f403arct7.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12.0,
          12.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b0c827bc5c05552175d28affe44a5bd2ab45c9c36efff6ff07a74cc449b13db4",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "at32f403arct7-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12.0,
          12.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "2fbf0bfcd6030ab7bab5e54bc7bf8158d205493bddef7c4a8908a5e31984718a",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}