AC7811QBFE

{
  "slug": "ac7811qbfe",
  "version": "0.1.0",
  "type": "component",
  "description": "AutoChips Microcontroller Units (MCUs/MPUs/SOCs), LQFP-64(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "single chip microcomputer-microcontroller",
    "ac7811qbfe",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ac7811qbfe.kicad_sym",
    "ac7811qbfe.kicad_mod",
    "ac7811qbfe.glb",
    "ac7811qbfe.step",
    "ac7811qbfe.lbr",
    "docs/hero.png",
    "docs/ac7811qbfe-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ac7811qbfe-hero.glb",
    "ac7811qbfe-hero.overlay.json",
    "ac7811qbfe-etched.glb"
  ],
  "component": {
    "mpn": "AC7811QBFE",
    "manufacturer": "AutoChips",
    "package": "LQFP-64(7x7)",
    "pin_count": 64,
    "category": "Single Chip Microcomputer/Microcontroller",
    "subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/fbbb550fe0d623703db46f45b4f7d34f.pdf",
    "parts": {
      "symbol": "ac7811qbfe.kicad_sym",
      "footprint": "ac7811qbfe.kicad_mod",
      "model_3d": "ac7811qbfe-hero.glb",
      "model_3d_plain": "ac7811qbfe-etched.glb",
      "model_3d_step": "ac7811qbfe-etched.step",
      "model_3d_step_plain": "ac7811qbfe.step",
      "lbr": "ac7811qbfe.lbr"
    },
    "distributor_links": {
      "lcsc": "C6800682"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T00:50:35Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PA0",
        "type": "bidirectional",
        "description": "GPIO0 port A bit 0; alternate functions SPI1_NSS, TRACED3, FLASH_NSS (PMUX0[2:0])."
      },
      {
        "number": "2",
        "name": "PA1",
        "type": "bidirectional",
        "description": "GPIO1 port A bit 1; alternate functions SPI1_SCK, TRACECLK, FLASH_SCK (PMUX0[5:3])."
      },
      {
        "number": "3",
        "name": "PA2",
        "type": "bidirectional",
        "description": "GPIO2 port A bit 2; alternate functions SPI1_MISO, TRACED0, FLASH_DQ1 (PMUX0[8:6])."
      },
      {
        "number": "4",
        "name": "PA3",
        "type": "bidirectional",
        "description": "GPIO3 port A bit 3; alternate functions SPI1_MOSI, TRACED1, FLASH_DQ0 (PMUX0[11:9])."
      },
      {
        "number": "5",
        "name": "PA4",
        "type": "bidirectional",
        "description": "GPIO4 port A bit 4; alternate functions UART4_TX, CAN1_RX, FLASH_DQ3 (PMUX0[14:12])."
      },
      {
        "number": "6",
        "name": "PA5",
        "type": "bidirectional",
        "description": "GPIO5 port A bit 5; alternate functions UART4_RX, CAN1_TX, FLASH_DQ2 (PMUX0[17:15])."
      },
      {
        "number": "7",
        "name": "OSC_OUT",
        "type": "output",
        "description": "Crystal oscillator output (default function) for the 4 MHz to 30 MHz external oscillator."
      },
      {
        "number": "8",
        "name": "OSC_IN",
        "type": "input",
        "description": "Crystal oscillator input (default function) for the 4 MHz to 30 MHz external oscillator."
      },
      {
        "number": "9",
        "name": "AVSS",
        "type": "power_in",
        "description": "Analog ground; decouple with 0.1 uF X7R capacitor placed close to the pin."
      },
      {
        "number": "10",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog supply, 2.7 V to 5.5 V; must be connected to the same supply as DVDD on the board."
      },
      {
        "number": "11",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog supply, 2.7 V to 5.5 V; must be connected to the same supply as DVDD on the board."
      },
      {
        "number": "12",
        "name": "AVSS",
        "type": "power_in",
        "description": "Analog ground; decouple with 0.1 uF X7R capacitor placed close to the pin."
      },
      {
        "number": "13",
        "name": "PA6",
        "type": "bidirectional",
        "description": "GPIO6 port A bit 6; alternate functions ADC_IN10, UART1_CTS, UART4_TX (PMUX0[20:18])."
      },
      {
        "number": "14",
        "name": "PA7",
        "type": "bidirectional",
        "description": "GPIO7 port A bit 7; alternate functions ADC_IN0, UART1_TX, UART5_TX (PMUX0[23:21])."
      },
      {
        "number": "15",
        "name": "PA8",
        "type": "bidirectional",
        "description": "GPIO8 port A bit 8; alternate functions ADC_IN1, UART1_RX, UART5_RX (PMUX0[26:24])."
      },
      {
        "number": "16",
        "name": "PA9",
        "type": "bidirectional",
        "description": "GPIO9 port A bit 9; alternate functions ADC_IN2, SPI2_NSS, HWLIN_TX (PMUX0[29:27])."
      },
      {
        "number": "17",
        "name": "PA10",
        "type": "bidirectional",
        "description": "GPIO10 port A bit 10; alternate functions ADC_IN3, SPI2_SCK, HWLIN_RX (PMUX1[2:0])."
      },
      {
        "number": "18",
        "name": "PA11",
        "type": "bidirectional",
        "description": "GPIO11 port A bit 11; alternate functions ADC_IN4, SPI2_MISO, UART3_RX (PMUX1[5:3])."
      },
      {
        "number": "19",
        "name": "PA12",
        "type": "bidirectional",
        "description": "GPIO12 port A bit 12; alternate functions ADC_IN5, SPI2_MOSI, UART3_TX (PMUX1[8:6])."
      },
      {
        "number": "20",
        "name": "PA13",
        "type": "bidirectional",
        "description": "GPIO13 port A bit 13; alternate functions ADC_IN6, I2C1_SCL, UART6_RX (PMUX1[11:9])."
      },
      {
        "number": "21",
        "name": "PA14",
        "type": "bidirectional",
        "description": "GPIO14 port A bit 14; alternate functions ADC_IN7, I2C1_SDA, UART6_TX (PMUX1[14:12])."
      },
      {
        "number": "22",
        "name": "PA15",
        "type": "bidirectional",
        "description": "GPIO15 port A bit 15; alternate functions ADC_IN8, UART2_RTS (PMUX1[17:15])."
      },
      {
        "number": "23",
        "name": "PB0",
        "type": "bidirectional",
        "description": "GPIO16 port B bit 0; alternate functions ADC_IN9, UART2_TX, CAN2_STDBY (PMUX1[20:18])."
      },
      {
        "number": "24",
        "name": "PB1",
        "type": "bidirectional",
        "description": "GPIO17 port B bit 1; alternate functions ADC_IN11, UART2_RX (PMUX1[23:21])."
      },
      {
        "number": "25",
        "name": "PB2",
        "type": "bidirectional",
        "description": "GPIO18 port B bit 2; alternate functions NMI_B, UART3_TX, CAN1_STDBY (PMUX1[26:24])."
      },
      {
        "number": "26",
        "name": "NRST",
        "type": "input",
        "description": "External reset input (default function); pulse of at least 1.5 x t32k is recognized as reset."
      },
      {
        "number": "27",
        "name": "PB3",
        "type": "bidirectional",
        "description": "GPIO19 port B bit 3; alternate functions PWDT_IN1, UART3_RX (PMUX1[29:27])."
      },
      {
        "number": "28",
        "name": "PB4",
        "type": "bidirectional",
        "description": "GPIO20 port B bit 4; alternate functions PWDT_IN2, TRACED2 (PMUX2[2:0])."
      },
      {
        "number": "29",
        "name": "PB5",
        "type": "bidirectional",
        "description": "GPIO21 port B bit 5; alternate functions UART1_TX, PWDT_IN1 (PMUX2[5:3])."
      },
      {
        "number": "30",
        "name": "PB6",
        "type": "bidirectional",
        "description": "GPIO22 port B bit 6; alternate functions UART1_RX, PWDT_IN2, PWM3_CH0 (PMUX2[8:6])."
      },
      {
        "number": "31",
        "name": "PB7",
        "type": "bidirectional",
        "description": "GPIO23 port B bit 7; alternate functions UART1_RTS, PWM_FAULT1 (PMUX2[11:9])."
      },
      {
        "number": "32",
        "name": "PB8",
        "type": "bidirectional",
        "description": "GPIO24 port B bit 8; alternate functions PWDT_IN0, I2C2_SDA (PMUX2[14:12])."
      },
      {
        "number": "33",
        "name": "PB9",
        "type": "bidirectional",
        "description": "GPIO25 port B bit 9; alternate functions PWM0_CH0, PWM2_CH0, CAN1_RX (PMUX2[17:15])."
      },
      {
        "number": "34",
        "name": "DVSS",
        "type": "power_in",
        "description": "Digital ground; decouple with 0.1 uF X7R capacitor placed close to the pin."
      },
      {
        "number": "35",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital supply, 2.7 V to 5.5 V; must be connected to the same supply as AVDD on the board."
      },
      {
        "number": "36",
        "name": "VPP",
        "type": "passive",
        "description": "VPP pin; the datasheet gives no function description beyond its name."
      },
      {
        "number": "37",
        "name": "PB10",
        "type": "bidirectional",
        "description": "GPIO26 port B bit 10; alternate functions PWM0_CH1, PWM2_CH1, CAN1_TX (PMUX2[20:18])."
      },
      {
        "number": "38",
        "name": "PB11",
        "type": "bidirectional",
        "description": "GPIO27 port B bit 11; alternate functions SPI2_NSS, PWM2_CH2 (PMUX2[23:21])."
      },
      {
        "number": "39",
        "name": "PB12",
        "type": "bidirectional",
        "description": "GPIO28 port B bit 12; alternate functions SPI2_SCK, PWM2_CH3 (PMUX2[26:24])."
      },
      {
        "number": "40",
        "name": "PB13",
        "type": "bidirectional",
        "description": "GPIO29 port B bit 13; alternate functions SPI2_MISO, PWM2_CH4, UART5_TX (PMUX2[29:27])."
      },
      {
        "number": "41",
        "name": "PB14",
        "type": "bidirectional",
        "description": "GPIO30 port B bit 14; alternate functions SPI2_MOSI, PWM2_CH5, UART5_RX (PMUX3[2:0])."
      },
      {
        "number": "42",
        "name": "PB15",
        "type": "bidirectional",
        "description": "GPIO31 port B bit 15; alternate functions PWM2_CH0, PWM0_EXT (PMUX3[5:3])."
      },
      {
        "number": "43",
        "name": "PC0",
        "type": "bidirectional",
        "description": "GPIO32 port C bit 0; alternate functions PWM2_CH1, PWM1_EXT (PMUX3[8:6])."
      },
      {
        "number": "44",
        "name": "PC1",
        "type": "bidirectional",
        "description": "GPIO33 port C bit 1; alternate functions PWM2_CH2, UART5_RTS (PMUX3[11:9])."
      },
      {
        "number": "45",
        "name": "PC2",
        "type": "bidirectional",
        "description": "GPIO34 port C bit 2; alternate functions PWM2_CH3, UART6_RTS (PMUX3[14:12])."
      },
      {
        "number": "46",
        "name": "PC3",
        "type": "bidirectional",
        "description": "GPIO35 port C bit 3; alternate functions UARTTX_SFLASH, PWM2_CH4, PWM2_CH0 (PMUX3[17:15])."
      },
      {
        "number": "47",
        "name": "PC4",
        "type": "bidirectional",
        "description": "GPIO36 port C bit 4; alternate functions UARTRX_SFLASH, PWM2_CH5, PWM2_CH1 (PMUX3[20:18])."
      },
      {
        "number": "48",
        "name": "PC5",
        "type": "bidirectional",
        "description": "GPIO37 port C bit 5; alternate functions I2C2_SCL, UART1_CTS (PMUX3[23:21])."
      },
      {
        "number": "49",
        "name": "PC6",
        "type": "bidirectional",
        "description": "GPIO38 port C bit 6; alternate functions I2C2_SDA, UART1_CTS (PMUX3[26:24])."
      },
      {
        "number": "50",
        "name": "PC7",
        "type": "bidirectional",
        "description": "GPIO39 port C bit 7; default function JTCK_SWCLK, alternate UART3_RTS (PMUX3[29:27])."
      },
      {
        "number": "51",
        "name": "PC8",
        "type": "bidirectional",
        "description": "GPIO40 port C bit 8; default function JTDO_TRACESWO, alternate UART2_RTS (PMUX4[2:0])."
      },
      {
        "number": "52",
        "name": "PC9",
        "type": "bidirectional",
        "description": "GPIO41 port C bit 9; default function JTMS_SWDIO, alternates UART4_RTS, PWM_FAULT1 (PMUX4[5:3])."
      },
      {
        "number": "53",
        "name": "PC10",
        "type": "bidirectional",
        "description": "GPIO42 port C bit 10; alternate functions CAN2_TX, UART6_TX, PWM_FAULT2 (PMUX4[8:6])."
      },
      {
        "number": "54",
        "name": "PC11",
        "type": "bidirectional",
        "description": "GPIO43 port C bit 11; alternate functions CAN2_RX, UART6_RX, PWDT_IN0 (PMUX4[11:9])."
      },
      {
        "number": "55",
        "name": "BOOT",
        "type": "input",
        "description": "BOOT pin (PE3), default function BOOT."
      },
      {
        "number": "56",
        "name": "PC12",
        "type": "bidirectional",
        "description": "GPIO44 port C bit 12; alternate functions I2C1_SCL, UART5_TX (PMUX4[14:12])."
      },
      {
        "number": "57",
        "name": "PC13",
        "type": "bidirectional",
        "description": "GPIO45 port C bit 13; alternate functions I2C1_SDA, UART5_RX (PMUX4[17:15])."
      },
      {
        "number": "58",
        "name": "DVSS",
        "type": "power_in",
        "description": "Digital ground; decouple with 0.1 uF X7R capacitor placed close to the pin."
      },
      {
        "number": "59",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital supply, 2.7 V to 5.5 V; must be connected to the same supply as AVDD on the board."
      },
      {
        "number": "60",
        "name": "PC14",
        "type": "bidirectional",
        "description": "GPIO46 port C bit 14; alternate functions CAN1_RX, UART4_RX, PWDT_IN3 (PMUX4[20:18])."
      },
      {
        "number": "61",
        "name": "PC15",
        "type": "bidirectional",
        "description": "GPIO47 port C bit 15; alternate functions CAN1_TX, UART4_TX, TAMPER_RTC (PMUX4[23:21])."
      },
      {
        "number": "62",
        "name": "PD0",
        "type": "bidirectional",
        "description": "GPIO48 port D bit 0; alternate functions UART1_CTS, PWM_FAULT2 (PMUX4[26:24])."
      },
      {
        "number": "63",
        "name": "PD1",
        "type": "bidirectional",
        "description": "GPIO49 port D bit 1; alternate functions UART2_TX, PWM0_CH0, I2C2_SCL (PMUX4[29:27])."
      },
      {
        "number": "64",
        "name": "PD2",
        "type": "bidirectional",
        "description": "GPIO50 port D bit 2; alternate functions UART2_RX, PWM0_CH1, I2C2_SDA (PMUX5[2:0])."
      }
    ],
    "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: VPP has no functional description in the datasheet; type set to passive as a placeholder.; BOOT pin (PE3) direction is not stated; typed as input by assumption.; Pin numbers come from the 64 LQFP column of table 26; the figure 13 pin layout text is garbled and w"
        ],
        "pages_sent": 32,
        "cost_usd": 0.3077,
        "at": "2026-10-27T00:49:48"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/fbbb550fe0d623703db46f45b4f7d34f.pdf",
        "pages": 32,
        "sha256": "436bde660d014306",
        "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": "ac7811qbfe.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.8,
          9.8,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f91f2eca5f19e096f53f34ee39566d329c86d3b33cb6e5711eb08566f38cd8ed",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ac7811qbfe-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.8,
          9.8,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "59e0173b62065cd9c4040ec09d73b67a01a9099a9f4afae32b30a9e4091f1b87",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}