Overview
The STM32F412CEU6 is a high-performance microcontroller from STMicroelectronics, part of the STM32 Dynamic Efficiency™ product line. It is based on the Arm® Cortex®-M4 32-bit RISC core, operating at a frequency of up to 100 MHz. The core features a Floating Point Unit (FPU) supporting all Arm single-precision data-processing instructions and DSP instructions, along with a memory protection unit (MPU) for enhanced application security.
This microcontroller incorporates high-speed embedded memories, including up to 512 Kbytes of flash memory and 256 Kbytes of SRAM. It also includes an extensive range of enhanced I/Os and peripherals connected to multiple buses.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU |
| Frequency | Up to 100 MHz |
| Flash Memory | Up to 512 Kbytes |
| SRAM | 256 Kbytes |
| External Memory Interface | Flexible external static memory controller with up to 16-bit data bus: SRAM, PSRAM, NOR flash memory |
| ADC | 1 x 12-bit ADC, up to 16 channels |
| Timers | Up to twelve 16-bit timers, two 32-bit timers |
| Communication Interfaces | Up to four I2Cs, five SPIs, five I2Ss, four USARTs, SDIO/MMC interface, USB 2.0 OTG full-speed interface, two CANs |
| Power Supply | 1.7 V to 3.6 V application supply and I/Os |
| Operating Temperature | -40 to +125 °C |
| Package | UFQFPN 48 7x7x0.55 mm |
Key Features
- Includes ST state-of-the-art patented technology
- Dynamic efficiency line with Batch Acquisition Mode (BAM)
- Adaptive real-time accelerator (ART Accelerator™) allowing 0-wait state execution from flash memory
- Memory protection unit (MPU)
- DSP instructions and FPU
- Flexible external static memory controller and dual mode Quad-SPI interface
- LCD parallel interface, 8080/6800 modes
- Advanced peripherals: FSMC, Quad-SPI memory interface, DFSDM, and more
- Comprehensive set of power-saving modes
- Up to 114 I/O ports with interrupt capability
- True random number generator, CRC calculation unit, and 96-bit unique ID
- RTC with subsecond accuracy and hardware calendar
Applications
The STM32F412CEU6 is suitable for a wide range of applications due to its high performance, power efficiency, and extensive peripheral set. These include:
- Industrial automation and control systems
- Medical devices requiring high precision and low power consumption
- Aerospace and defense applications
- Automotive systems, especially those requiring advanced motor control and communication interfaces
- Consumer electronics, such as audio and video devices, benefiting from the I2S and USB OTG interfaces
Q & A
- What is the core architecture of the STM32F412CEU6?
The STM32F412CEU6 is based on the Arm® Cortex®-M4 32-bit RISC core.
- What is the maximum operating frequency of the STM32F412CEU6?
The maximum operating frequency is up to 100 MHz.
- How much flash memory and SRAM does the STM32F412CEU6 have?
The STM32F412CEU6 has up to 512 Kbytes of flash memory and 256 Kbytes of SRAM.
- What communication interfaces are available on the STM32F412CEU6?
The microcontroller features up to four I2Cs, five SPIs, five I2Ss, four USARTs, an SDIO/MMC interface, a USB 2.0 OTG full-speed interface, and two CANs.
- What is the operating temperature range of the STM32F412CEU6?
The operating temperature range is -40 to +125 °C.
- What power-saving features does the STM32F412CEU6 offer?
The microcontroller includes a comprehensive set of power-saving modes, such as Run, Stop, and Standby modes, with low power consumption figures.
- Does the STM32F412CEU6 support audio interfaces?
Yes, it supports up to five I2S interfaces, with two full-duplex I2S interfaces capable of achieving audio class accuracy.
- What is the Batch Acquisition Mode (BAM) in the STM32F412CEU6?
BAM is an innovative feature that allows for significant power consumption savings during data batching.
- Does the STM32F412CEU6 have a memory protection unit (MPU)?
Yes, it includes an MPU to enhance application security.
- What debug modes are supported by the STM32F412CEU6?
The microcontroller supports serial wire debug (SWD) and JTAG, along with the Cortex®-M4 Embedded Trace Macrocell™.
