component
AC7811QBFE
Public Made by Adomby adom
AutoChips Microcontroller Units (MCUs/MPUs/SOCs), LQFP-64(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "ac7811qbfe",
"title": "AC7811QBFE",
"brief": "AutoChips Microcontroller Units (MCUs/MPUs/SOCs), LQFP-64(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",
"single chip microcomputer-microcontroller",
"ac7811qbfe",
"factory-2.0.0",
"extractor-text"
],
"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,
"centre_offset_mm": 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,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "59e0173b62065cd9c4040ec09d73b67a01a9099a9f4afae32b30a9e4091f1b87",
"checked": "2026-10-27",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "AutoChips",
"Package": "LQFP-64(7x7)",
"Category": "Single Chip Microcomputer/Microcontroller",
"Pins": "64"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "436bde660d014306f4b530f3020a7b56314c9d7b862a2de676d675cd17b3bd5b",
"rows": [
{
"name": "Digital supply voltage",
"symbol": "VDD",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Max current into VDD",
"symbol": "IDD",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 60,
"conditions": "",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Input voltage (non open-drain)",
"symbol": "VIN",
"kind": "absolute_maximum",
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