STM32F412CEU6 - 100MHz ARM Cortex-M4F MCU, 512KB Flash | STMicroelectronics
MPN: STM32F412CEU6 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 STM32F412CEU6 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:
STM32F411CEU6
β Drop-Inβ 99,999 In Stock
$4.16 / Unit
View Datasheet βSTM32F412CEU6TR
β Drop-Inπ Reference alternative (not in catalog)
STM32F412CEU6 Maximum Ratings & Electrical Characteristics
| Core | ARM Cortex-M4F |
| Max Clock Speed | 100 MHz |
| Flash Memory | 512 KB |
| SRAM | 128 KB |
| Supply Voltage | 1.7 V to 3.6 V |
| Package | UFQFPN-48 (7x7 mm) |
| GPIO Pins | 36 |
| ADC Resolution | 12-bit |
| ADC Channels | 16 |
| DAC Resolution | 12-bit |
| DAC Channels | 2 |
| USART | 4 |
| SPI | 3 |
| I2C | 3 |
| USB | USB 2.0 OTG FS |
| Timers | 8 (including advanced timers) |
| Operating Temperature | -40C to +85C |
| RoHS Status | Compliant |
STM32F412CEU6 Pin Configuration
| Pin 1 | VDD β Power supply |
| Pin 2 | PA0 β GPIO / ADC input |
| Pin 3 | PA1 β GPIO / ADC input |
| Pin 4 | PA2 β GPIO / USART2_TX |
| Pin 5 | PA3 β GPIO / USART2_RX |
| Pin 6 | VSS β Ground |
| Pin 7 | PA4 β GPIO / DAC_OUT1 |
| Pin 8 | PA5 β GPIO / DAC_OUT2 |
| Pin 9 | PA6 β GPIO / SPI1_MISO |
| Pin 10 | PA7 β GPIO / SPI1_MOSI |
| Pin 11 | PB0 β GPIO / ADC input |
| Pin 12 | PB1 β GPIO / ADC input |
| Pin 13 | PB2 β GPIO / BOOT1 |
| Pin 14 | PB10 β GPIO / I2C2_SCL |
| Pin 15 | PB11 β GPIO / I2C2_SDA |
| Pin 16 | VDD β Power supply |
| Pin 17 | PB12 β GPIO / SPI2_NSS |
| Pin 18 | PB13 β GPIO / SPI2_SCK |
| Pin 19 | PB14 β GPIO / SPI2_MISO |
| Pin 20 | PB15 β GPIO / SPI2_MOSI |
| Pin 21 | PC13 β GPIO / RTC output |
| Pin 22 | PC14 β GPIO / OSC32_IN |
| Pin 23 | PC15 β GPIO / OSC32_OUT |
| Pin 24 | VSS β Ground |
| Pin 25 | PH0 β OSC_IN |
| Pin 26 | PH1 β OSC_OUT |
| Pin 27 | NRST β Reset |
| Pin 28 | PC0 β GPIO / ADC input |
| Pin 29 | PC1 β GPIO / ADC input |
| Pin 30 | PC2 β GPIO / ADC input |
| Pin 31 | PC3 β GPIO / ADC input |
| Pin 32 | VDD β Power supply |
| Pin 33 | PC4 β GPIO / ADC input |
| Pin 34 | PC5 β GPIO / ADC input |
| Pin 35 | PB3 β GPIO / SPI1_SCK |
| Pin 36 | PB4 β GPIO / SPI1_NSS |
| Pin 37 | PB5 β GPIO / I2C1_SMBA |
| Pin 38 | PB6 β GPIO / I2C1_SCL |
| Pin 39 | PB7 β GPIO / I2C1_SDA |
| Pin 40 | BOOT0 β Boot mode selection |
| Pin 41 | PB8 β GPIO / CAN_RX |
| Pin 42 | PB9 β GPIO / CAN_TX |
| Pin 43 | VSS β Ground |
| Pin 44 | PA8 β GPIO / MCO1 |
| Pin 45 | PA9 β GPIO / USART1_TX |
| Pin 46 | PA10 β GPIO / USART1_RX |
| Pin 47 | PA11 β GPIO / USB_DM |
| Pin 48 | PA12 β GPIO / USB_DP |
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
STM32F412CEU6 is suitable for 6 applications: Industrial Control, IoT Gateway, Consumer Electronics, Motor Drive, Audio Processing, Test and Measurement.
Industrial Control
The STM32F412CEU6 is ideal for industrial control systems due to its 100 MHz Cortex-M4F core, advanced timers, and 12-bit ADC. It can handle real-time control loops, motor control, and PLC applications. The device's multiple USARTs and SPIs enable communication with sensors, actuators, and industrial networks. Its wide operating voltage range and low-power modes ensure reliable operation in harsh environments. For example, in a motor control application, the advanced timers generate PWM signals with dead-time insertion, while the ADC reads current feedback for closed-loop control. The FPU accelerates complex control algorithms, and the MPU provides memory protection for safety-critical tasks.
Recommended
IoT Gateway
The STM32F412CEU6 is well-suited for IoT gateways, providing a balance of processing power, connectivity, and low power consumption. Its USB 2.0 OTG FS interface allows direct connection to peripherals or host devices, while multiple UARTs and SPIs interface with sensors and wireless modules. The device can run communication protocols like MQTT and CoAP, and its low-power modes enable battery-powered operation. In a typical IoT gateway, the MCU collects data from sensors via I2C or SPI, processes it locally, and transmits it to the cloud via a Wi-Fi or cellular module connected through UART. The RNG enhances security for encryption protocols.
Recommended
Consumer Electronics
The STM32F412CEU6 is used in consumer electronics such as smart home devices, wearables, and audio equipment. Its compact UFQFPN-48 package and low-power modes make it ideal for portable devices. The 12-bit DAC and audio interfaces support audio playback, while the USB interface enables charging and data transfer. For example, in a smart speaker, the MCU handles audio decoding, voice recognition, and network connectivity. The FPU accelerates audio processing algorithms, and the multiple timers generate precise timing for user interface controls.
Recommended
Motor Drive
The STM32F412CEU6 excels in motor drive applications, offering advanced timers with dead-time generation, a 12-bit ADC for current sensing, and a 100 MHz core for real-time control. It supports various motor types, including BLDC, PMSM, and stepper motors. In a BLDC motor drive, the MCU generates six-step PWM signals, reads Hall sensor or encoder feedback, and implements field-oriented control (FOC) algorithms. The FPU accelerates the mathematical computations required for FOC, and the ADC samples phase currents with high resolution. The device's robust peripheral set and industrial temperature range make it suitable for factory automation and robotics.
Recommended
Audio Processing
The STM32F412CEU6 is capable of audio processing tasks such as audio playback, voice recognition, and sound effects generation. Its 100 MHz Cortex-M4F with FPU can handle real-time audio algorithms, and the 12-bit DAC provides analog audio output. The device supports I2S interfaces for connecting external audio codecs. In a voice-controlled device, the MCU captures audio via a microphone, processes it with DSP algorithms, and triggers actions. The low-power modes allow for always-on listening in battery-powered devices.
Recommended
Test and Measurement
The STM32F412CEU6 is used in test and measurement equipment such as data loggers, oscilloscopes, and signal generators. Its high-speed ADC and DAC, along with multiple timers, enable precise signal acquisition and generation. The USB interface allows connection to a PC for data analysis. In a data logger, the MCU samples analog signals at high rates, stores data in flash or external memory via FSMC, and communicates with a host via USB. The FPU processes the data for filtering and analysis.
Recommended
Recommended Products Summary
Engineering reference data for STM32F412CEU6 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | STM32F411CEU6 | STM32F412CEU6TR | STM32F412RGU6 | STM32F405RGT6 | LPC4337FBD144 |
|---|---|---|---|---|---|---|
| Package | UFQFPN-48 (7x7 mm) | UFQFPN-48 (7x7 mm) - same | UFQFPN-48 (7x7 mm) - same | UFQFPN-64 (9x9 mm) - different | LQFP-64 (10x10 mm) - different | LQFP-144 (20x20 mm) - different |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | NXP Semiconductors |
| Core | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F + M0 |
| Max Clock Speed | 100 MHz | 100 MHz | 100 MHz | 100 MHz | 168 MHz | 204 MHz |
| Flash Memory | 512 KB | 512 KB | 512 KB | 512 KB | 1 MB | 1 MB |
| SRAM | 128 KB | 128 KB | 128 KB | 128 KB | 192 KB | 136 KB |
| USB | USB 2.0 OTG FS | None | USB 2.0 OTG FS | USB 2.0 OTG FS | USB 2.0 OTG FS | USB 2.0 OTG HS |
| ADC Channels | 16 | 16 | 16 | 16 | 16 | 8 |
Key Differentiators
- Integrated USB 2.0 OTG FS (vs STM32F411CEU6)
- True Random Number Generator (RNG) (vs STM32F411CEU6)
- Compact UFQFPN-48 package (vs STM32F412RGU6)
Design Notes
Decouple each VDD pin with a 100nF ceramic capacitor placed as close as possible to the pin, and add a 4.7uF bulk capacitor. Connect VDDA to a clean analog supply through a ferrite bead, and VREF+ to a stable reference voltage (e.g., 3.3V) for accurate ADC conversions. Ensure VDD and VDDA are within the 1.7V-3.6V range.
For the UFQFPN-48 package, ensure the exposed pad (EP) is soldered to a ground plane for thermal and electrical performance. Provide adequate thermal vias under the pad to dissipate heat. Keep high-speed signals (USB, SPI) short and impedance-controlled. Place the crystal oscillator close to PH0/PH1 with load capacitors as specified in the datasheet.
Configure the BOOT0 and BOOT1 pins correctly to select the desired boot mode (flash, system memory, or SRAM). Do not leave unused GPIO pins floating; configure them as outputs or enable internal pull-ups/pull-downs. Ensure the NRST pin is pulled high with a 100nF capacitor to ground for reliable reset. When using the USB interface, add the required 1.5k pull-up on USB_DP and proper ESD protection.
Compliance Information
RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified; for automotive, consider STM32F412CEU6Q (if available).
