STMicroelectronics STM32F412CEU7

Overview

STM32F412CEU7 from STMicroelectronics is a 32-bit Arm® Cortex®-M4 microcontroller with FPU, 1 MB Flash, 256 KB SRAM, USB OTG FS, dual CAN 2.0B, and 17 communication interfaces. It operates up to 100 MHz, delivers 125 DMIPS, and integrates a 12-bit 2.4 MSPS ADC, DFSDM, PDM audio interfaces, and ART Accelerator™ for zero-wait-state flash execution - deployed in industrial PLCs, medical sensor hubs, and wearable devices.

For engineers reviewing the STM32F412CEU7 datasheet, STM32F412CEU7 pinout, STM32F412CEU7 application, or STM32F412CEU7 equivalent, key selection criteria include its 48-pin UFQFPN package, 100 MHz CPU frequency, dual CAN support, low-power Stop mode (18 µA), and integrated USB OTG FS PHY - critical for resource-constrained, real-time embedded designs requiring mixed-signal processing and connectivity.

Technical Context

The STM32F412CEU7 implements an Arm Cortex-M4 core with hardware FPU and DSP instructions, coupled with ST's Adaptive Real-time Accelerator (ART Accelerator™) that eliminates flash wait states at 100 MHz. Its memory subsystem includes 1 MB of on-chip Flash with ECC, 256 KB SRAM, and dual-mode Quad-SPI for external memory expansion.

Peripheral architecture features a flexible 114-pin I/O matrix (109 at 100 MHz), two independent CAN 2.0B controllers, four USARTs (two at 12.5 Mbit/s), five SPI/I2S interfaces (50 Mbit/s), SDIO, USB OTG FS with integrated PHY, and dedicated audio blocks including DFSDM and PDM for stereo microphone input - enabling tightly integrated motor control, audio sensing, and industrial communication stacks.

Key Specifications

Pinout & Package

STM32F412CEU7 is housed in a 7 × 7 mm UFQFPN48 package (ECOPACK2-compliant), with 42 user I/O pins, 5 power/ground pins, and dedicated VCAP, BOOT0, NRST, and oscillator terminals. Thermal pad (EP) enhances thermal dissipation in compact PCB layouts.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with STM32F405RGT6, the STM32F412CEU7 adds DFSDM/PDM, lower Stop-mode current, and integrated USB PHY - making it superior for audio-aware, battery-operated edge nodes. Versus STM32F413RGY6, it trades SRAM and crypto for smaller size and lower BOM cost in space-constrained 7×7 mm layouts.

Availability

STM32F412CEU7 is available at Aetrix Electronics and suitable for industrial PLCs, medical sensor hubs, and wearable devices requiring stable component supply across long-lifecycle production programs.

Supply support for STM32F412CEU7 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader specializing in microcontrollers, power management, sensors, and automotive ICs - headquartered in Geneva, Switzerland.

The STM32F4 series targets high-performance embedded applications demanding real-time processing, rich connectivity, and low-power operation - especially in industrial automation, medical instrumentation, and consumer audio.

FAQ

What is the maximum operating temperature range for STM32F412CEU7?

The STM32F412CEU7 is rated for industrial temperature range: –40 °C to +85 °C ambient. Its thermal performance is validated per JEDEC JESD51 standards, with θ_JA = 40.5 °C/W in UFQFPN48 package. Derating applies above 70 °C ambient for sustained 100 MHz operation with all peripherals active.

Does STM32F412CEU7 support external SDRAM via FSMC?

No - the Flexible Static Memory Controller (FSMC) supports only SRAM, PSRAM, and NOR flash with 16-bit data bus. SDRAM requires dedicated SDRAM controller (e.g., present in STM32F42xxx/F43xxx), which this device lacks. External DRAM must be interfaced via custom FPGA or external memory controller.

Can the USB OTG FS interface operate in host mode without external components?

Yes - the integrated USB OTG FS PHY supports full-speed device, host, and OTG modes with on-chip transceivers and voltage regulators. Only passive components (2x 1.5 kΩ pull-up/down resistors, 1x 4.7 nF capacitor on VBUS) are required per USB 2.0 specification - no external PHY chip needed.

Is the 96-bit unique ID accessible via standard HAL drivers?

Yes - the 96-bit unique ID is mapped to system memory address 0x1FFF7A10 and exposed through HAL_GetUID() API in STM32CubeF4 firmware package. It is factory-programmed, read-only, and usable for device authentication, license binding, or secure key derivation in conjunction with the onboard RNG.