Overview
The STM32F411VEH6U 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) and a full set of DSP instructions, along with a memory protection unit (MPU) to enhance application security. This microcontroller is designed to balance dynamic power consumption and processing performance, making it suitable for a wide range of applications.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU, adaptive real-time accelerator (ART Accelerator), frequency up to 100 MHz, memory protection unit, 125 DMIPS/1.25 DMIPS/MHz (Dhrystone 2.1), and DSP instructions |
| Memories | Up to 512 Kbytes of Flash memory, 128 Kbytes of SRAM |
| Power Supply | 1.7 V to 3.6 V application supply and I/Os |
| Temperature Range | -40°C to 85/105/125 °C |
| Timers | Up to 11 timers: six 16-bit, two 32-bit timers up to 100 MHz |
| Communication Interfaces | Up to 3 USARTs, up to 5 SPI/I2Ss, up to 3 I²C interfaces, SDIO interface, USB 2.0 full-speed device/host/OTG controller |
| ADC | 1 × 12-bit, 2.4 MSPS A/D converter: up to 16 channels |
| Power Consumption | Run: 100 µA/MHz (peripheral off), Stop: 42 µA typical at 25 °C, Standby: 1.8 µA at 25 °C / 1.7 V without RTC |
| I/Os | Up to 81 I/O ports with interrupt capability, up to 77 5 V-tolerant I/Os |
Key Features
- Dynamic Efficiency Line with Batch Acquisition Mode (BAM) for optimized power consumption during data batching
- Includes ST state-of-the-art patented technology
- Adaptive real-time accelerator (ART Accelerator) allowing 0-wait state execution from Flash memory
- Up to 13 communication interfaces including USB 2.0 full-speed device/host/OTG controller, SPI, I2S, I²C, and SDIO
- RTC with subsecond accuracy and hardware calendar
- 96-bit unique ID and CRC calculation unit
- General-purpose DMA: 16-stream DMA controllers with FIFOs and burst support
Applications
The STM32F411VEH6U is versatile and can be used in a variety of applications, including:
- Industrial automation and control systems
- Medical devices requiring high performance and low power consumption
- Aerospace and defense systems
- Consumer electronics such as smart home devices and wearables
- Automotive systems, especially those requiring advanced motor control and communication interfaces
Q & A
- What is the core architecture of the STM32F411VEH6U?
The STM32F411VEH6U is based on the Arm® Cortex®-M4 32-bit RISC core with a floating-point unit (FPU) and DSP instructions.
- What is the maximum frequency of the STM32F411VEH6U?
The maximum frequency is up to 100 MHz.
- How much Flash and SRAM memory does the STM32F411VEH6U have?
It has up to 512 Kbytes of Flash memory and 128 Kbytes of SRAM.
- What is the power supply range for the STM32F411VEH6U?
The power supply range is from 1.7 V to 3.6 V.
- What are the key communication interfaces available on the STM32F411VEH6U?
The device features up to 3 USARTs, up to 5 SPI/I2Ss, up to 3 I²C interfaces, SDIO interface, and a USB 2.0 full-speed device/host/OTG controller.
- What is the Batch Acquisition Mode (BAM) and its benefits?
The Batch Acquisition Mode (BAM) optimizes power consumption by allowing the device to exchange batches of data through communication peripherals while the rest of the device is in power-saving mode.
- How many timers does the STM32F411VEH6U have and what are their capabilities?
The device has up to 11 timers: six 16-bit and two 32-bit timers running at up to 100 MHz.
- What is the power consumption in different modes?
The power consumption is 100 µA/MHz in run mode, 42 µA typical in stop mode, and 1.8 µA in standby mode at 25 °C / 1.7 V without RTC.
- How many I/O ports does the STM32F411VEH6U have?
The device has up to 81 I/O ports with interrupt capability, including up to 77 5 V-tolerant I/Os.
- What is the temperature range for the STM32F411VEH6U?
The temperature range is from -40°C to 85/105/125 °C.
- Does the STM32F411VEH6U support real-time clock (RTC) functionality?
Yes, it features an RTC with subsecond accuracy and hardware calendar.
