STM32F411CEU6 - 512KB Flash ARM Cortex-M4F MCU | STMicroelectronics
MPN: STM32F411CEU6 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.5 | $6.50 |
| 10 | $5.85 | $58.50 |
| 100 | $5.2 | $520.00 |
| 500 | $4.68 | $2,340.00 |
| 1,000 | $4.16 | $4,160.00 |
Drop-in alternatives for STM32F411CEU6 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
STM32F411CCU6
β Drop-Inπ Reference alternative (not in catalog)
STM32F401CEU6
β Drop-Inπ Reference alternative (not in catalog)
STM32F411CEU6TR
β Drop-Inπ Reference alternative (not in catalog)
STM32F411CEU6 Maximum Ratings & Electrical Characteristics
| Core | ARM Cortex-M4F with FPU |
| Max Clock Speed | 100 MHz |
| Flash Memory | 512 KB |
| SRAM | 128 KB |
| Supply Voltage | 1.7 V to 3.6 V |
| Operating Temperature | -40Β°C to +85Β°C |
| Package | UFQFPN-48 (7x7 mm) |
| GPIO Pins | 36 |
| ADC | 12-bit, 16 channels |
| DAC | None |
| Timers | 8 (16-bit and 32-bit) |
| USART | 3 |
| SPI | 3 |
| I2C | 3 |
| USB | OTG FS |
| DMA | Yes, 16 channels |
| RTC | Yes |
| RoHS | Compliant |
STM32F411CEU6 Pin Configuration
| Pin 1 | VBAT β Backup battery supply for RTC |
| Pin 2 | PC13 β GPIO / RTC tamper |
| Pin 3 | PC14 β GPIO / OSC32_IN |
| Pin 4 | PC15 β GPIO / OSC32_OUT |
| Pin 5 | PF0 β GPIO / OSC_IN |
| Pin 6 | PF1 β GPIO / OSC_OUT |
| Pin 7 | NRST β Reset (active low) |
| Pin 8 | VDD β Digital power supply |
| Pin 9 | VSS β Ground |
| Pin 10 | PA0 β GPIO / ADC / TIM2_CH1 |
| Pin 11 | PA1 β GPIO / ADC / TIM2_CH2 |
| Pin 12 | PA2 β GPIO / USART2_TX / ADC |
| Pin 13 | PA3 β GPIO / USART2_RX / ADC |
| Pin 14 | PA4 β GPIO / SPI1_NSS / DAC |
| Pin 15 | PA5 β GPIO / SPI1_SCK / DAC |
| Pin 16 | PA6 β GPIO / SPI1_MISO / TIM3_CH1 |
| Pin 17 | PA7 β GPIO / SPI1_MOSI / TIM3_CH2 |
| Pin 18 | PB0 β GPIO / ADC / TIM3_CH3 |
| Pin 19 | PB1 β GPIO / ADC / TIM3_CH4 |
| Pin 20 | PB2 β GPIO / BOOT1 |
| Pin 21 | PB10 β GPIO / I2C2_SCL / USART3_TX |
| Pin 22 | PB11 β GPIO / I2C2_SDA / USART3_RX |
| Pin 23 | PB12 β GPIO / SPI2_NSS / I2C2_SMBA |
| Pin 24 | PB13 β GPIO / SPI2_SCK / USART3_CTS |
| Pin 25 | PB14 β GPIO / SPI2_MISO / USART3_RTS |
| Pin 26 | PB15 β GPIO / SPI2_MOSI |
| Pin 27 | PA8 β GPIO / MCO1 / TIM1_CH1 |
| Pin 28 | PA9 β GPIO / USART1_TX / TIM1_CH2 |
| Pin 29 | PA10 β GPIO / USART1_RX / TIM1_CH3 |
| Pin 30 | PA11 β GPIO / USB_DM / TIM1_CH4 |
| Pin 31 | PA12 β GPIO / USB_DP / TIM1_ETR |
| Pin 32 | PA13 β GPIO / SWDIO |
| Pin 33 | PA14 β GPIO / SWCLK |
| Pin 34 | PA15 β GPIO / JTDI / TIM2_CH1 |
| Pin 35 | PB3 β GPIO / JTDO / SPI1_SCK |
| Pin 36 | PB4 β GPIO / NJTRST / SPI1_MISO |
| Pin 37 | PB5 β GPIO / SPI1_MOSI / I2C1_SMBA |
| Pin 38 | PB6 β GPIO / I2C1_SCL / USART1_TX |
| Pin 39 | PB7 β GPIO / I2C1_SDA / USART1_RX |
| Pin 40 | BOOT0 β Boot mode selection |
| Pin 41 | PB8 β GPIO / I2C1_SCL / CAN_RX |
| Pin 42 | PB9 β GPIO / I2C1_SDA / CAN_TX |
| Pin 43 | VDD β Digital power supply |
| Pin 44 | VSS β Ground |
| Pin 45 | PC14 β GPIO / OSC32_IN |
| Pin 46 | PC15 β GPIO / OSC32_OUT |
| Pin 47 | VDDA β Analog power supply |
| Pin 48 | VSSA β Analog ground |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
STM32F411CEU6 is suitable for 6 applications: IoT Devices, Wearable Electronics, Motor Control, Audio Processing, Industrial Automation, USB Peripherals.
IoT Devices
The STM32F411CEU6 is ideal for IoT devices due to its 100 MHz Cortex-M4F core, 512 KB flash, and rich connectivity options including USB OTG FS, USART, SPI, and I2C. Its low-power modes and wide supply voltage range enable battery-powered operation. In a typical IoT sensor node, the MCU collects data from sensors via I2C or SPI, processes it using the FPU for sensor fusion, and transmits it over Wi-Fi or BLE through a connected module. The 128 KB SRAM provides ample buffer for communication stacks, while the DMA controller offloads data transfer from the CPU, improving efficiency. The device's performance ensures quick wake-up and processing, extending battery life in duty-cycled applications.
Recommended
Wearable Electronics
The compact UFQFPN-48 package and low-power modes make the STM32F411CEU6 suitable for wearable devices such as fitness trackers and smartwatches. Its FPU accelerates processing of sensor data from accelerometers and gyroscopes, enabling real-time activity recognition. The device's 1.7V to 3.6V supply range allows direct connection to a Li-Po battery, and the RTC maintains timekeeping with minimal power draw. In a typical wearable, the MCU reads motion sensors via SPI, processes step counting algorithms, and drives an OLED display via I2C. The 512 KB flash stores firmware and user data, while the 128 KB SRAM handles dynamic data. The low-power Stop mode reduces current consumption to a few Β΅A, extending battery life between charges.
Recommended
Motor Control
The STM32F411CEU6 is well-suited for motor control applications, including brushless DC (BLDC) and permanent magnet synchronous motors (PMSM). Its 100 MHz Cortex-M4F core with FPU and DSP instructions enables efficient implementation of Field-Oriented Control (FOC) algorithms. The advanced timers can generate complementary PWM signals with dead-time insertion, while the 12-bit ADC samples phase currents and rotor position. In a typical motor drive, the MCU reads current sensors via ADC, executes the FOC algorithm in the FPU, and outputs PWM signals to the gate driver. The 128 KB SRAM provides space for control loops and data logging, and the DMA controller ensures low-latency data transfer. The device's wide temperature range and robust peripherals make it reliable in industrial environments.
Recommended
Audio Processing
The STM32F411CEU6's FPU and 100 MHz clock make it capable of real-time audio processing, such as noise cancellation, equalization, and audio effects. Its I2S interface (via SPI) connects to audio codecs, and the DMA controller enables efficient audio data streaming. In a typical audio application, the MCU receives audio samples from a codec via I2S, processes them using DSP algorithms in the FPU, and outputs the processed audio. The 512 KB flash can store audio samples or processing code, while the 128 KB SRAM buffers audio frames. The device's low latency and deterministic execution ensure glitch-free audio output. Additionally, the USB OTG FS interface can be used for audio streaming to a PC or mobile device.
Recommended
Industrial Automation
The STM32F411CEU6 is suitable for industrial automation applications such as PLCs, sensors, and actuators. Its robust communication interfaces (USART, SPI, I2C) support fieldbus protocols like Modbus, and its wide operating temperature range (-40Β°C to +85Β°C) ensures reliability in harsh environments. In a typical industrial sensor node, the MCU reads analog signals via ADC, processes them, and communicates over RS-485 using a USART. The 512 KB flash allows storing calibration data and firmware updates, while the 128 KB SRAM handles real-time data. The device's DMA and interrupt handling ensure deterministic response times, critical for industrial control. The low-power modes also enable energy-efficient operation in remote monitoring stations.
Recommended
USB Peripherals
The STM32F411CEU6 includes a USB OTG FS interface, making it ideal for USB peripherals such as keyboards, mice, game controllers, and USB-to-serial adapters. The integrated USB PHY simplifies design, and the DMA controller handles USB data transfer efficiently. In a typical USB peripheral, the MCU enumerates as a HID device, reads input from buttons or sensors, and sends data over USB. The 512 KB flash stores USB descriptors and firmware, while the 128 KB SRAM buffers data packets. The device's 3.3V operation is compatible with USB VBUS (5V) when using an LDO regulator. The USB OTG support also allows the device to act as a USB host, enabling connection to external devices like flash drives.
Recommended
Recommended Products Summary
Engineering reference data for STM32F411CEU6 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | STM32F411CCU6 | STM32F401CEU6 | STM32F411CEU6TR |
|---|---|---|---|---|
| Package | UFQFPN-48 (7x7 mm) | UFQFPN-48 (7x7 mm) - same | UFQFPN-48 (7x7 mm) - same | UFQFPN-48 (7x7 mm) - same |
| Max Clock Speed | 100 MHz | 100 MHz | 84 MHz | 100 MHz |
| Flash Memory | 512 KB | 256 KB | 512 KB | 512 KB |
| SRAM | 128 KB | 128 KB | 96 KB | 128 KB |
| FPU | Yes | Yes | No | Yes |
| USB OTG FS | Yes | Yes | Yes | Yes |
| Operating Temperature | -40Β°C to +85Β°C | -40Β°C to +85Β°C | -40Β°C to +85Β°C | -40Β°C to +85Β°C |
| Price (1pc) | $6.50 | $5.80 | $5.20 | $6.50 |
Key Differentiators
- Higher flash memory than STM32F411CCU6 (vs STM32F411CCU6)
- Faster clock and FPU compared to STM32F401CEU6 (vs STM32F401CEU6)
- Same package and pinout as STM32F411CEU6TR (vs STM32F411CEU6TR)
Design Notes
Decouple each VDD pin with a 100nF ceramic capacitor placed as close as possible to the pin. Additionally, connect a 4.7uF capacitor to the VDDA pin for analog supply filtering. The VCAP pins (not present in this package) are not applicable, but ensure the VDD and VDDA supplies are clean and stable within the 1.7V to 3.6V range.
For the UFQFPN-48 package, ensure the exposed pad on the bottom is soldered to a ground plane for thermal and electrical performance. Use a 0.2mm via array under the pad to improve heat dissipation. Route high-speed signals (USB, SPI) with controlled impedance and keep traces short to minimize EMI.
The BOOT0 pin must be pulled low for normal boot from flash. During development, ensure the SWD interface (PA13/PA14) is accessible for programming. Do not leave unused GPIO pins floating; configure them as outputs or pull-ups/pull-downs to avoid excessive current consumption. Also, note that the STM32F411CEU6 does not have a DAC, so if analog output is needed, use PWM or an external DAC.
Compliance Information
RoHS and REACH compliant per STMicroelectronics product page. Not AEC-Q100 qualified; for automotive, consider STM32F411CEU6Q or similar automotive-grade variants.
