STM32F411CEY6TR

{
  "schema_version": 1,
  "type": "component",
  "slug": "stm32f411cey6tr",
  "title": "STM32F411CEY6TR",
  "brief": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), WLCSP-49(3x3.2). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "embedded processors & controllers",
    "stm32f411cey6tr"
  ],
  "component": {
    "mpn": "STM32F411CEY6TR",
    "manufacturer": "STMicroelectronics",
    "package": "WLCSP-49(3x3.2)",
    "pin_count": 49,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588948304231075840",
    "parts": {
      "symbol": "stm32f411cey6tr.kicad_sym",
      "footprint": "stm32f411cey6tr.kicad_mod",
      "model_3d": "stm32f411cey6tr-etched.glb",
      "model_3d_plain": "stm32f411cey6tr.glb",
      "model_3d_step": "stm32f411cey6tr-etched.step",
      "model_3d_step_plain": "stm32f411cey6tr.step",
      "lbr": "stm32f411cey6tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C329284"
    },
    "mcu": {
      "part_number": "STM32F411CEY6TR",
      "series": "STM32F4",
      "subfamily": "STM32F411",
      "core": "Arm Cortex-M4",
      "frequency_mhz": 100,
      "flash_kb": 512,
      "ram_kb": 128,
      "io_count": 36,
      "package": "WLCSP 49 3x3.2x0.6 P 0.4 mm",
      "marketing_status": "Active",
      "fpu": "Single-precision FPU",
      "supply_v_min": 1.7,
      "supply_v_max": 3.6,
      "temp_min_c": -40,
      "temp_max_c": 85,
      "adc_count": 1,
      "timers": 6,
      "in_distributor_stock": true,
      "product_folder": "/en/microcontrollers-microprocessors/stm32f411ce.html",
      "source": "st.com portfolio grid CL1734"
    },
    "pins": [
      {
        "number": "A1",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO. Alternate function default JTCK-SWCLK: SWD/JTAG clock input. Also EVENTOUT."
      },
      {
        "number": "A2",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO. Alternate function default JTDI. Muxed with TIM2_CH1/TIM2_ETR, SPI1/3_NSS/I2S1/3_WS, USART1_TX, EVENTOUT."
      },
      {
        "number": "A3",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO. Alternate function default JTDO-SWO (SWO trace). Muxed with TIM2_CH2, SPI1/3_SCK/I2S1/3_CK, USART1_RX, I2C2_SDA, EVENTOUT."
      },
      {
        "number": "A4",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO. Alternate function default JTRST. Muxed with TIM3_CH1, SPI1/3_MISO, I2S3ext_SD, I2C3_SDA, SDIO_D0, EVENTOUT."
      },
      {
        "number": "A5",
        "name": "BOOT0",
        "type": "input",
        "description": "Dedicated boot-mode select input (structure 'B'). Sampled at reset to choose boot memory. Additional function VPP."
      },
      {
        "number": "A6",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground reference (0 V). Connect to system ground plane."
      },
      {
        "number": "A7",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply rail, 1.7-3.6 V. Decouple with 100 nF close to each VDD pin plus one 4.7 uF bulk capacitor."
      },
      {
        "number": "B1",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground reference (0 V). Connect to system ground plane."
      },
      {
        "number": "B2",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply rail, 1.7-3.6 V."
      },
      {
        "number": "B3",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO. Alternate function default JTMS-SWDIO: SWD/JTAG data. Also EVENTOUT."
      },
      {
        "number": "B4",
        "name": "PB5",
        "type": "bidirectional",
        "description": "3.3 V (TC) GPIO. Muxed with TIM3_CH2, I2C1_SMBA, SPI1/3_MOSI/I2S1/3_SD, SDIO_D3, EVENTOUT."
      },
      {
        "number": "B5",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO. Muxed with TIM4_CH3, TIM10_CH1, I2C1_SCL, SPI5_MOSI/I2S5_SD, I2C3_SDA, SDIO_D4, EVENTOUT."
      },
      {
        "number": "B6",
        "name": "PDR_ON",
        "type": "input",
        "description": "Power-down reset control (5 V-tolerant). Tie to VDD to enable the internal PDR; tie to VSS to disable it and use the external reset supervisor scheme."
      },
      {
        "number": "B7",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup domain supply, 1.65-3.6 V. Powers RTC, LSE oscillator and backup registers when VDD is off. Tie to VDD if backup domain is not battery-backed."
      },
      {
        "number": "C1",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO. Muxed with TIM1_CH4, SPI4_MISO, USART1_CTS, USART6_TX, USB_FS_DM, EVENTOUT."
      },
      {
        "number": "C2",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO. Muxed with TIM1_CH3, SPI5_MOSI/I2S5_SD, USART1_RX, USB_FS_ID, EVENTOUT."
      },
      {
        "number": "C3",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO. Muxed with TIM1_ETR, SPI5_MISO, USART1_RTS, USART6_RX, USB_FS_DP, EVENTOUT."
      },
      {
        "number": "C4",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO. Muxed with TIM4_CH1, I2C1_SCL, USART1_TX, EVENTOUT."
      },
      {
        "number": "C5",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO. Muxed with TIM4_CH4, TIM11_CH1, I2C1_SDA, SPI2_NSS/I2S2_WS, I2C2_SDA, SDIO_D5, EVENTOUT."
      },
      {
        "number": "C6",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "LSE (32.768 kHz) crystal output when RTC uses the low-speed external oscillator; otherwise a limited-drive GPIO. FT structure, driven from backup domain switch (max 3 mA, max load 30 pF, 2 MHz)."
      },
      {
        "number": "C7",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "LSE (32.768 kHz) crystal input when RTC uses the low-speed external oscillator; otherwise a limited-drive GPIO. FT structure but not 5 V tolerant in analog/oscillator mode."
      },
      {
        "number": "D1",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO. Muxed with MCO_1, TIM1_CH1, I2C3_SCL, USART1_CK, USB_FS_SOF, SDIO_D1, EVENTOUT."
      },
      {
        "number": "D2",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO. Muxed with TIM1_CH2, I2C3_SMBA, USART1_TX, USB_FS_VBUS, SDIO_D2, EVENTOUT. Additional function OTG_FS_VBUS."
      },
      {
        "number": "D3",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground reference (0 V)."
      },
      {
        "number": "D4",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO. Muxed with TIM4_CH2, I2C1_SDA, USART1_RX, SDIO_D0, EVENTOUT."
      },
      {
        "number": "D5",
        "name": "PC13-ANTI_TAMP",
        "type": "bidirectional",
        "description": "Backup-domain limited-drive GPIO. Additional functions RTC_AMP1 (tamper), RTC_OUT, RTC_TS. Supplied through backup switch: max 3 mA, 2 MHz, 30 pF load; do not drive LEDs."
      },
      {
        "number": "D6",
        "name": "PH1-OSC_OUT",
        "type": "bidirectional",
        "description": "HSE (4-26 MHz) crystal output when the high-speed external oscillator is used; otherwise a GPIO. FT structure but not 5 V tolerant in analog/oscillator mode."
      },
      {
        "number": "D7",
        "name": "PH0-OSC_IN",
        "type": "bidirectional",
        "description": "HSE (4-26 MHz) crystal input or external clock input when HSE is used; otherwise a GPIO. FT structure but not 5 V tolerant in analog/oscillator mode."
      },
      {
        "number": "E1",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO. Additional function RTC_REFIN. Alternate functions RTC_50Hz, TIM1_CH3N, SPI2_MOSI/I2S2_SD, SDIO_CK, EVENTOUT."
      },
      {
        "number": "E2",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO. Muxed with TIM1_BKIN, I2C2_SMBA, SPI2_NSS/I2S2_WS, SPI4_NSS/I2S4_WS, SPI3_SCK/I2S3_CK, EVENTOUT."
      },
      {
        "number": "E3",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO. Muxed with TIM2_CH3, I2C2_SCL, SPI2_SCK/I2S2_CK, I2S3_MCK, SDIO_D7, EVENTOUT."
      },
      {
        "number": "E4",
        "name": "PA3",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO. Alternate functions TIM2_CH4, TIM5_CH4, TIM9_CH2, I2S2_MCK, USART2_RX, EVENTOUT. Additional function ADC1_3."
      },
      {
        "number": "E5",
        "name": "PA2",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO. Alternate functions TIM2_CH3, TIM5_CH3, TIM9_CH1, I2S2_CKIN, USART2_TX, EVENTOUT. Additional function ADC1_2."
      },
      {
        "number": "E6",
        "name": "VSSA/VREF-",
        "type": "power_in",
        "description": "Analog ground and ADC negative reference. Tie to VSS at a single star point. On WLCSP49 VREF- and VSSA share a single ball."
      },
      {
        "number": "E7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Bidirectional device reset input/output with embedded weak pull-up (~40 kOhm). Driven low by internal supervisor; also EVENTOUT. Add ~100 nF external filter capacitor."
      },
      {
        "number": "F1",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO. Muxed with TIM1_CH2N, SPI2_MISO, I2S2ext_SD, SDIO_D6, EVENTOUT."
      },
      {
        "number": "F2",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply rail, 1.7-3.6 V."
      },
      {
        "number": "F3",
        "name": "PA7",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO. Alternate functions TIM1_CH1N, TIM3_CH2, SPI1_MOSI/I2S1_SD, EVENTOUT. Additional function ADC1_7."
      },
      {
        "number": "F4",
        "name": "PA6",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO. Alternate functions TIM1_BKIN, TIM3_CH1, SPI1_MISO, I2S2_MCK, SDIO_CMD, EVENTOUT. Additional function ADC1_6."
      },
      {
        "number": "F5",
        "name": "PA5",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO. Alternate functions TIM2_CH1/TIM2_ETR, SPI1_SCK/I2S1_CK, EVENTOUT. Additional function ADC1_5."
      },
      {
        "number": "F6",
        "name": "PA0-WKUP",
        "type": "bidirectional",
        "description": "3.3 V (TC) GPIO, also standby wakeup (WKUP1). Alternate functions TIM2_CH1/TIM2_ET, TIM5_CH1, USART2_CTS, EVENTOUT. Additional functions ADC1_0, WKUP1."
      },
      {
        "number": "F7",
        "name": "VDDA/VREF+",
        "type": "power_in",
        "description": "Analog supply and positive ADC/temperature/reference-voltage reference, 1.8-3.6 V. On WLCSP49 VREF+ and VDDA share a single ball; decouple with 100 nF + 1 uF to VSSA."
      },
      {
        "number": "G1",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO. Muxed with TIM1_CH1N, SPI2_SCK/I2S2_CK, SPI4_SCK/I2S4_CK, EVENTOUT."
      },
      {
        "number": "G2",
        "name": "VCAP_1",
        "type": "passive",
        "description": "Internal 1.2 V core regulator external stabilization capacitor pin. Connect a 2.2 uF low-ESR ceramic capacitor to VSS (see VCAP_1/VCAP_2 operating conditions)."
      },
      {
        "number": "G3",
        "name": "PB2",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO. Additional function BOOT1: sampled with BOOT0 at reset to select the boot memory. Also EVENTOUT."
      },
      {
        "number": "G4",
        "name": "PB1",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO. Alternate functions TIM1_CH3N, TIM3_CH4, SPI5_NSS/I2S5_WS, EVENTOUT. Additional function ADC1_9."
      },
      {
        "number": "G5",
        "name": "PB0",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO. Alternate functions TIM1_CH2N, TIM3_CH3, SPI5_SCK/I2S5_CK, EVENTOUT. Additional function ADC1_8."
      },
      {
        "number": "G6",
        "name": "PA4",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO. Alternate functions SPI1_NSS/I2S1_WS, SPI3_NSS/I2S3_WS, USART2_CK, EVENTOUT. Additional function ADC1_4."
      },
      {
        "number": "G7",
        "name": "PA1",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO. Alternate functions TIM2_CH2, TIM5_CH2, SPI4_MOSI/I2S4_SD, USART2_RTS, EVENTOUT. Additional function ADC1_1."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588948304231075840",
        "pages": 55,
        "sha256": "4ac2e31b207404a8",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 49,
        "described": 49,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  },
  "metadata": {
    "specs": {
      "Core": "Arm Cortex-M4",
      "Max clock": "100 MHz",
      "Flash": "512 kB",
      "RAM": "128 kB",
      "I/O pins": 36,
      "ADC units": 1,
      "Supply": "1.7 to 3.6 V",
      "Temperature": "-40 to 85 C",
      "ST status": "Active",
      "Manufacturer": "STMicroelectronics",
      "Package": "WLCSP-49(3x3.2)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "49"
    }
  },
  "variants": [
    {
      "mpn": "STM32F411CEY6TRY",
      "kind": "packaging"
    },
    {
      "mpn": "STM32F411CEY6TRU",
      "kind": "packaging"
    },
    {
      "mpn": "STM32F411CEY6TRR",
      "kind": "packaging"
    },
    {
      "mpn": "STM32F411CEY6TRV",
      "kind": "packaging"
    },
    {
      "mpn": "STM32F411CEY6TRH",
      "kind": "packaging"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "stm32f411cey6tr"
  ],
  "discovery_pitch": "STM32F411CEY6TR (STMicroelectronics) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm32f411cey6tr.kicad_sym",
    "stm32f411cey6tr.kicad_mod",
    "stm32f411cey6tr.glb",
    "stm32f411cey6tr.step",
    "stm32f411cey6tr.lbr",
    "docs/hero.png",
    "docs/stm32f411cey6tr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-25T08:46:57.650Z"
}