Overview
The STM32F411RET7, produced by STMicroelectronics, is a high-performance microcontroller based on the Arm® Cortex®-M4 32-bit RISC core. This device operates at a frequency of up to 100 MHz and features a floating-point unit (FPU) that supports all Arm single-precision data-processing instructions and data types. It is part of the STM32 Dynamic Efficiency product line, combining power efficiency, performance, and integration. The STM32F411RET7 includes innovative features such as Batch Acquisition Mode (BAM) to reduce power consumption during data batching.
The microcontroller incorporates high-speed embedded memories, including up to 512 Kbytes of flash memory and 128 Kbytes of SRAM. It also features an extensive range of enhanced I/Os and peripherals connected to multiple bus systems.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU, up to 100 MHz |
| Memories | Up to 512 Kbytes of flash memory, 128 Kbytes of SRAM |
| Power Supply | 1.7 V to 3.6 V |
| Temperature Range | -40°C to 85/105/125 °C |
| ADC | 1 × 12-bit, 2.4 MSPS A/D converter, up to 16 channels |
| Timers | Up to six 16-bit timers, two 32-bit timers |
| Communication Interfaces | Up to 3 x I²C, up to 3 x USART, up to 5 x SPI/I2S, USB 2.0 full-speed device/host/OTG |
| Package | LQFP 64 (10x10x1.4 mm) |
| Power Consumption | Run: 100 µA/MHz, Stop: 42 µA typical at 25 °C, Standby: 1.8 µA at 25 °C |
Key Features
- Dynamic Efficiency line with Batch Acquisition Mode (BAM) for reduced power consumption
- Arm® Cortex®-M4 CPU with FPU, adaptive real-time accelerator (ART Accelerator)
- Up to 512 Kbytes of flash memory and 128 Kbytes of SRAM
- Low-power RTC, six general-purpose 16-bit timers, and two general-purpose 32-bit timers
- General-purpose DMA: 16-stream DMA controllers with FIFOs and burst support
- Up to 81 I/O ports with interrupt capability, up to 78 fast I/Os up to 100 MHz
- Advanced communication interfaces including USB 2.0, I²C, SPI, and USART
- Serial wire debug (SWD) & JTAG interfaces, Cortex®-M4 Embedded Trace Macrocell™
- ECOPACK2 compliant packages
Applications
The STM32F411RET7 is versatile and can be used in a wide range of applications, including:
- Industrial automation and control systems
- Medical devices requiring high precision and low power consumption
- Consumer electronics such as smart home devices and wearables
- Automotive systems, including infotainment and driver assistance
- IoT devices and smart sensors
Q & A
- What is the core architecture of the STM32F411RET7?
The STM32F411RET7 is based on the Arm® Cortex®-M4 32-bit RISC core.
- What is the maximum operating frequency of the STM32F411RET7?
The maximum operating frequency is up to 100 MHz.
- How much flash and SRAM memory does the STM32F411RET7 have?
The device has up to 512 Kbytes of flash memory and 128 Kbytes of SRAM.
- What are the power supply and temperature ranges for the STM32F411RET7?
The power supply range is 1.7 V to 3.6 V, and the temperature range is -40°C to 85/105/125 °C.
- What communication interfaces are available on the STM32F411RET7?
The device features up to 3 x I²C, up to 3 x USART, up to 5 x SPI/I2S, and USB 2.0 full-speed device/host/OTG.
- What is the package type and size of the STM32F411RET7?
The package type is LQFP 64, with dimensions of 10x10x1.4 mm.
- What is the power consumption of the STM32F411RET7 in different modes?
The power consumption is approximately 100 µA/MHz in run mode, 42 µA typical in stop mode, and 1.8 µA in standby mode at 25 °C.
- Does the STM32F411RET7 support debug interfaces?
Yes, it supports serial wire debug (SWD) & JTAG interfaces and Cortex®-M4 Embedded Trace Macrocell™.
- Is the STM32F411RET7 environmentally friendly?
Yes, all packages are ECOPACK2 compliant.
- What are some typical applications for the STM32F411RET7?
Typical applications include industrial automation, medical devices, consumer electronics, automotive systems, and IoT devices.
