AT32F403ACGT7

{
  "schema_version": 1,
  "type": "component",
  "slug": "at32f403acgt7",
  "title": "AT32F403ACGT7",
  "brief": "ARTERY Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). 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",
    "at32f403acgt7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "AT32F403ACGT7",
    "manufacturer": "ARTERY",
    "package": "LQFP-48(7x7)",
    "pin_count": 48,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588893603423141888",
    "parts": {
      "symbol": "at32f403acgt7.kicad_sym",
      "footprint": "at32f403acgt7.kicad_mod",
      "model_3d": "at32f403acgt7-hero.glb",
      "model_3d_plain": "at32f403acgt7-etched.glb",
      "model_3d_step": "at32f403acgt7-etched.step",
      "model_3d_step_plain": "at32f403acgt7.step",
      "lbr": "at32f403acgt7.lbr"
    },
    "distributor_links": {
      "lcsc": "C528437"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T06:36:12Z",
      "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 external 32 kHz oscillator and the backup registers when VDD is off."
      },
      {
        "number": "2",
        "name": "PC13/TAMPER-RTC",
        "type": "bidirectional",
        "description": "Standard-level (TC) I/O also used as TAMPER-RTC; it is fed through a power switch limited to 3 mA, so as an output it is restricted to medium drive with a maximum 30 pF load and cannot source LEDs."
      },
      {
        "number": "3",
        "name": "PC14/OSC32_IN",
        "type": "bidirectional",
        "description": "Standard-level (TC) I/O multiplexed with the LSE 32.768 kHz oscillator input OSC32_IN, with the same 3 mA power-switch limit as PC13."
      },
      {
        "number": "4",
        "name": "PC15/OSC32_OUT",
        "type": "bidirectional",
        "description": "Standard-level (TC) I/O multiplexed with the LSE oscillator output OSC32_OUT, with the same 3 mA power-switch limit as PC13."
      },
      {
        "number": "5",
        "name": "PD0/OSC_IN",
        "type": "bidirectional",
        "description": "Standard-level (TC) pin that defaults to the HSE oscillator input OSC_IN (4 to 25 MHz crystal) after reset and can be remapped to PD0 by software."
      },
      {
        "number": "6",
        "name": "PD1/OSC_OUT",
        "type": "bidirectional",
        "description": "Standard-level (TC) pin that defaults to the HSE oscillator output OSC_OUT after reset and can be remapped to PD1 by software."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "input",
        "description": "Active-low reset input with an internal pull-up of 30 to 50 kΩ, with VIL maximum 0.8 V and VIH minimum 2 V."
      },
      {
        "number": "8",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground for the ADC and DAC; must be connected to VSS."
      },
      {
        "number": "9",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply for the ADC and DAC, 2.6 to 3.6 V; must be connected to VDD (at most 300 mV difference during power-up and operation)."
      },
      {
        "number": "10",
        "name": "PA0-WKUP",
        "type": "bidirectional",
        "description": "Standard-level (TC) I/O with ADC123_IN0 analog input and the WKUP wake-up function, also USART2_CTS, TMR2 and UART4_TX alternates."
      },
      {
        "number": "11",
        "name": "PA1",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FTa) when configured as input, but not 5 V-tolerant in analog mode where the input must stay below VDD + 0.3 V; ADC123_IN1 and USART2_RTS alternates."
      },
      {
        "number": "12",
        "name": "PA2",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FTa) when configured as input, but not 5 V-tolerant in analog mode where the input must stay below VDD + 0.3 V; ADC123_IN2, USART2_TX and TMR alternates."
      },
      {
        "number": "13",
        "name": "PA3",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FTa) when configured as input, but not 5 V-tolerant in analog mode where the input must stay below VDD + 0.3 V; ADC123_IN3, USART2_RX and TMR alternates."
      },
      {
        "number": "14",
        "name": "PA4",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FTa) when configured as input, but not 5 V-tolerant in analog mode where the input must stay below VDD + 0.3 V; DAC_OUT1 and ADC12_IN4 analog functions, USART2_CK and SPI1_NSS alternates."
      },
      {
        "number": "15",
        "name": "PA5",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FTa) when configured as input, but not 5 V-tolerant in analog mode where the input must stay below VDD + 0.3 V; DAC_OUT2 and ADC12_IN5 analog functions, SPI1_SCK alternate."
      },
      {
        "number": "16",
        "name": "PA6",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FTa) when configured as input, but not 5 V-tolerant in analog mode where the input must stay below VDD + 0.3 V; ADC12_IN6, SPI1_MISO and TMR3/TMR8/TMR13 alternates."
      },
      {
        "number": "17",
        "name": "PA7",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FTa) when configured as input, but not 5 V-tolerant in analog mode where the input must stay below VDD + 0.3 V; ADC12_IN7, SPI1_MOSI and TMR3/TMR8/TMR14 alternates."
      },
      {
        "number": "18",
        "name": "PB0",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FTa) when configured as input, but not 5 V-tolerant in analog mode where the input must stay below VDD + 0.3 V; ADC12_IN8, I2S1_MCK and TMR3/TMR8 alternates."
      },
      {
        "number": "19",
        "name": "PB1",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FTa) when configured as input, but not 5 V-tolerant in analog mode where the input must stay below VDD + 0.3 V; ADC12_IN9, SPIM_SCK and TMR3/TMR8 alternates."
      },
      {
        "number": "20",
        "name": "PB2/BOOT1",
        "type": "bidirectional",
        "description": "5 V-tolerant general-purpose I/O (FT) shared with the BOOT1 boot-configuration function."
      },
      {
        "number": "21",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5 V-tolerant general-purpose I/O (FT) with USART3_TX and I2C2_SCL alternates; remap options include I2S3_MCK, SPIM_IO0 and TMR2_CH3."
      },
      {
        "number": "22",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5 V-tolerant general-purpose I/O (FT) with USART3_RX and I2C2_SDA alternates; remap options include SPIM_IO1 and TMR2_CH4."
      },
      {
        "number": "23",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Digital ground for the I/O and logic."
      },
      {
        "number": "24",
        "name": "VDD_1",
        "type": "power_in",
        "description": "Digital supply for I/O pins and internal regulator, 2.6 to 3.6 V."
      },
      {
        "number": "25",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V-tolerant general-purpose I/O (FT) with USART3_CK, CAN2_RX, SPI2_NSS, I2S2_WS and TMR1_BKIN alternates; remap option XMC_D13."
      },
      {
        "number": "26",
        "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 alternates."
      },
      {
        "number": "27",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5 V-tolerant general-purpose I/O (FT) with USART3_RTS, SPI2_MISO, I2S2ext_SD and TMR1/TMR12 alternates; remap option XMC_D0."
      },
      {
        "number": "28",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5 V-tolerant general-purpose I/O (FT) with SPI2_MOSI, I2S2_SD, TMR1_CH3N and TMR12_CH2 alternates."
      },
      {
        "number": "29",
        "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 alternates."
      },
      {
        "number": "30",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V-tolerant general-purpose I/O (FT) with USART1_TX (bootloader USART1 TX), I2C3_SMBA and TMR1_CH2 alternates."
      },
      {
        "number": "31",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V-tolerant general-purpose I/O (FT) with USART1_RX and TMR1_CH3 alternates; remap option I2S4_MCK."
      },
      {
        "number": "32",
        "name": "PA11",
        "type": "bidirectional",
        "description": "Standard-level (TC) I/O with USB_DM full-speed USB data line, plus USART1_CTS, CAN1_RX, SPIM_IO0 and TMR1_CH4 alternates."
      },
      {
        "number": "33",
        "name": "PA12",
        "type": "bidirectional",
        "description": "Standard-level (TC) I/O with USB_DP full-speed USB data line, plus USART1_RTS, CAN1_TX, SPIM_IO1 and TMR1_ETR alternates."
      },
      {
        "number": "34",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with JTMS-SWDIO serial-wire debug data function."
      },
      {
        "number": "35",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Digital ground for the I/O and logic."
      },
      {
        "number": "36",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Digital supply for I/O pins and internal regulator, 2.6 to 3.6 V."
      },
      {
        "number": "37",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with JTCK-SWCLK serial-wire debug clock function."
      },
      {
        "number": "38",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with JTDI debug function; alternates SPI3_NSS and I2S3_WS, remap option SPI1_NSS / I2S1_WS / TMR2 channels."
      },
      {
        "number": "39",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with JTDO debug function; alternates SPI3_SCK and I2S3_CK, remap option TRACESWO and SPI1_SCK."
      },
      {
        "number": "40",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with NJTRST debug function; alternates SPI3_MISO and I2S3ext_SD, remap option I2C3_SDA and UART7_TX."
      },
      {
        "number": "41",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5 V-tolerant general-purpose I/O (FT) with SPI3_MOSI, I2S3_SD and I2C1_SMBA alternates; remap options SPI1_MOSI, I2S1_SD, CAN2_RX and TMR3_CH2."
      },
      {
        "number": "42",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V-tolerant general-purpose I/O (FT) with I2C1_SCL, SPIM_IO3 and TMR4_CH1 alternates; remap option USART1_TX, I2S1_MCK and CAN2_TX."
      },
      {
        "number": "43",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V-tolerant general-purpose I/O (FT) with I2C1_SDA, XMC_NADV, SPIM_IO2 and TMR4_CH2 alternates; remap option USART1_RX and SPI4_SCK."
      },
      {
        "number": "44",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot-mode select input; its weak pull-down (about 70 kΩ) cannot be disabled."
      },
      {
        "number": "45",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V-tolerant general-purpose I/O (FT) with SDIO1_D4, TMR4_CH3 and TMR10_CH1 alternates; remap option UART5_RX, SPI4_MISO, I2C1_SCL and CAN1_RX."
      },
      {
        "number": "46",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V-tolerant general-purpose I/O (FT) with SDIO1_D5, TMR4_CH4 and TMR11_CH1 alternates; remap option UART5_TX, SPI4_MOSI, I2S4_SD, I2C1_SDA and CAN1_TX."
      },
      {
        "number": "47",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Digital ground for the I/O and logic."
      },
      {
        "number": "48",
        "name": "VDD_3",
        "type": "power_in",
        "description": "Digital supply for I/O pins and 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: Package confirmed: ordering code AT32F403ACGT7 decodes to C=48-pin, G=1024 KB flash, T=LQFP (Table 6; Table 6 is ambiguous in its column layout: several rows show a second number (under QFN48/LQFP64 hea; Pins 5 and 6 (PD0/OSC_IN, PD1/OSC_OUT) default to the HSE oscillator function after reset; they are "
        ],
        "pages_sent": 79,
        "cost_usd": 0.3021,
        "at": "2026-10-19T06:35:52"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588893603423141888",
        "pages": 96,
        "sha256": "602689c1ae94c051",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 48,
        "described": 48,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "at32f403acgt7.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9,
          9,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "9dea352d93177c2904afd7d7b68ea8855ce1ab691f69f8b3e13655600514b6bf",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "at32f403acgt7-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9,
          9,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "fd1f3f8fb264f743ed4814eec88beed8f3cd8ab21d6aea79ccdc1c7577ffbb53",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ARTERY",
      "Package": "LQFP-48(7x7)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "48"
    },
    "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": "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": "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": "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": "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 to CK",
          "symbol": "tISU",
          "kind": "timing",
          "unit": "ns",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "CL ≤ 30 pF",
          "source_page": 77,
          "source": "datasheet"
        },
        {
          "name": "CMD/D input hold time from CK",
          "symbol": "tIH",
          "kind": "timing",
          "unit": "ns",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "CL ≤ 30 pF",
          "source_page": 77,
          "source": "datasheet"
        },
        {
          "name": "CMD/D output valid time (MMC and SD high-speed mode)",
          "symbol": "tOV",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "CL ≤ 30 pF",
          "source_page": 77,
          "source": "datasheet"
        },
        {
          "name": "CMD/D output hold time (MMC and SD high-speed mode)",
          "symbol": "tOH",
          "kind": "timing",
          "unit": "ns",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "CL ≤ 30 pF",
          "source_page": 77,
          "source": "datasheet"
        },
        {
          "name": "CMD/D output valid default time (SD default mode)",
          "symbol": "tOVD",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "CL ≤ 30 pF",
          "source_page": 77,
          "source": "datasheet"
        },
        {
          "name": "CMD/D output hold default time (SD default mode)",
          "symbol": "tOHD",
          "kind": "timing",
          "unit": "ns",
          "min": 0.5,
          "typ": null,
          "max": null,
          "conditions": "CL ≤ 30 pF",
          "source_page": 77,
          "source": "datasheet"
        },
        {
          "name": "USB transceiver startup time",
          "symbol": "tSTARTUP",
          "kind": "timing",
          "unit": "μs",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 78,
          "source": "datasheet"
        },
        {
          "name": "USB operating voltage",
          "symbol": "VDD",
          "kind": "electrical",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 3.6,
          "conditions": "",
          "source_page": 78,
          "source": "datasheet"
        },
        {
          "name": "USB differential input sensitivity |USB_DP, USB_DM|",
          "symbol": "VDI",
          "kind": "electrical",
          "unit": "",
          "min": 0.2,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 78,
          "source": "datasheet"
        },
        {
          "name": "USB differential common-mode range",
          "symbol": "VCM",
          "kind": "electrical",
          "unit": "V",
          "min": 0.8,
          "typ": null,
          "max": 2.5,
          "conditions": "Includes VDI range",
          "source_page": 78,
          "source": "datasheet"
        },
        {
          "name": "USB single-ended receiver threshold",
          "symbol": "VSE",
          "kind": "electrical",
          "unit": "V",
          "min": 1.3,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 78,
          "source": "datasheet"
        },
        {
          "name": "USB static output low level",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "1.24 kΩ RL to 3.6 V",
          "source_page": 78,
          "source": "datasheet"
        },
        {
          "name": "USB static output high level",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.8,
          "typ": null,
          "max": 3.6,
          "conditions": "15 kΩ RL to VSS",
          "source_page": 78,
          "source": "datasheet"
        },
        {
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