STM32F7 Microcontroller: Features, Advantage and Datasheet

Catalog

STM32F7 Description

STM32F7 Pinout

STM32F7 Features

STM32F7 Advantage

STM32F7 Functional Block Diagram

Parts with Similar Specs

STM32F7 Package

STM32F7 Series Model

STM32F7 Package Recommended Footprint

STM32F7 Marking Example

STM32F7 Manufacturer

Datasheet PDF

STM32F7 Description

The STM32F7 series, developed by STMicroelectronics, represents a family of high-performance 32-bit microcontrollers based on the ARM Cortex-M7 processor, renowned for their remarkable speed and extensive feature set. These microcontrollers stand out for their core speed, which can reach up to 216 MHz, making them one of the fastest in the ARM Cortex-M portfolio with impressive benchmarks. They are equipped with a 6-stage superscalar pipeline and a floating-point unit, enhancing their computational performance significantly, which is crucial for high-performance and real-time applications.

STM32F7 Pinout

The picture below is the pinout of STM32H7.

STM32F7 Pinout

STM32F7 Features

Core: It uses the ARM® 32-bit Cortex®-M7 CPU with a Floating Point Unit (FPU), Adaptive Real-Time accelerator (ART Accelerator™), and L1 cache. This configuration supports 0-wait state execution from embedded Flash memory and external memories. The CPU can operate at frequencies up to 216 MHz, achieving 462 DMIPS/2.14 DMIPS/MHz. It also includes DSP instructions.

Memory:

• Up to 1MB of Flash memory.

• 1024 bytes of OTP (One-Time Programmable) memory.

• SRAM: 320KB in total, including 64KB of data TCM RAM for critical real-time data, 16KB of instruction TCM RAM for critical real-time routines, and 4KB of backup SRAM available in low power modes.

• It also features a flexible external memory controller supporting various memory types.
  

Display and Graphic Interfaces: Includes a Dual mode Quad-SPI, LCD parallel interface, and an LCD-TFT controller with Chrom-ART Accelerator™ for enhanced graphics.

Core: It uses the ARM® 32-bit Cortex®-M7 CPU with a Floating Point Unit (FPU), Adaptive Real-Time accelerator (ART Accelerator™), and L1 cache. This configuration supports 0-wait state execution from embedded Flash memory and external memories. The CPU can operate at frequencies up to 216 MHz, achieving 462 DMIPS/2.14 DMIPS/MHz. It also includes DSP instructions.

Low-power Modes: Includes Sleep, Stop, and Standby modes, with a VBAT supply for the RTC and backup registers.

Analog to Digital Converters (ADC): 3×12-bit, 2.4 MSPS ADCs with up to 24 channels.

Digital to Analog Converters (DAC): 2×12-bit DACs.

Timers and Watchdogs: Up to 18 timers and 2 watchdogs, supporting various modes and frequencies.

DMA Controllers: General-purpose 16-stream DMA controller with FIFOs and burst support.

Debugging Features: SWD & JTAG interfaces, and Cortex®-M7 Trace Macrocell™.

I/O Ports: Up to 168 I/O ports with interrupt capability.

Communication Interfaces: A wide range, including I2C, USART/UART, SPI, SAI, CAN, SDMMC, and more.

Connectivity: USB 2.0 controllers, Ethernet MAC, and more.

Camera Interface: 8- to 14-bit parallel camera interface.

Security and Reliability Features: Includes a true random number generator, CRC calculation unit, and a hardware calendar.

Unique Identification: 96-bit unique ID.

STM32F7 Advantage

The STM32F7 series microcontrollers are renowned for their exceptional performance and versatility, making them a top choice in a wide array of applications. Key advantages include:

• High Performance: Equipped with an ARM® 32-bit Cortex®-M7 CPU, the STM32F7 offers outstanding computational power. Its advanced architecture, featuring a Floating Point Unit (FPU) and Adaptive Real-Time accelerator (ART Accelerator™), enhances processing efficiency. This makes it suitable for tasks requiring intensive computing and real-time execution, a major advantage in fields like industrial control, automotive, and aerospace.

• Enhanced Graphics and Display Capabilities: The inclusion of a Chrom-ART Accelerator™ and an LCD-TFT controller facilitates rich graphics processing. This feature is particularly beneficial in consumer electronics and automotive applications, where sophisticated user interfaces and display systems are essential.

• Comprehensive Integration and Connectivity: The series offers a broad range of I/O ports and communication interfaces, including USB, Ethernet, and various serial protocols. This comprehensive connectivity is vital for applications in communication devices, IoT, and smart grids, enabling seamless integration into diverse systems.

• Power Efficiency: Its multiple low-power modes ensure energy efficiency, which is crucial for portable and battery-operated devices like medical equipment, IoT sensors, and handheld gaming devices. This power efficiency does not compromise performance, ensuring these microcontrollers are both powerful and sustainable.

• Flexibility and Scalability: The STM32F7 series is designed to cater to a range of requirements, offering varying levels of memory, processing capabilities, and peripherals. This scalability allows for customization based on the specific needs of an application, ranging from simple consumer devices to complex industrial systems.

In summary, the STM32F7 series stands out for its superior processing power, advanced graphics capabilities, extensive connectivity options, energy efficiency, and adaptability. These features make it an ideal choice for a broad spectrum of applications across various industries, from industrial automation to consumer electronics, and from automotive systems to cutting-edge aerospace and defense technologies.

STM32F7 Functional Block Diagram

The picture below is the functional block diagram of STM32H7.

Block Diagram

Parts with Similar Specs

The STM32F745xx and STM32F746xx series of microcontrollers are part of the STM32F7 family and are notable for their comprehensive package options, including LQFP144, LQFP176, LQFP208, TFBGA216, UFBGA176, and WLCSP143. These models are fully pin-to-pin compatible with the STM32F4xxxx devices, highlighting STMicroelectronics' commitment to flexibility and ease of upgrade in embedded system design. This compatibility means that designers and engineers can easily transition or upgrade their systems from STM32F4 series to the more powerful STM32F7 series without significant changes to their existing hardware designs, thus enabling more seamless integration and upgrade paths for applications requiring enhanced performance and features.

STM32F7 Package

The picture below is the package outline of STM32H7.

24 x 24 mm, 176-pin low-profile quad flat package outline

STM32F7 Series Model

The STM32F7 series has a total of 86 models including:

STM32F7 Package Recommended Footprint

As shown in the figure below, the recommended maximum space occupied by the STM32F7 package is: 26.7mm * 26.7mm:

Recommended Footprint(package top view)

STM32F7 Marking Example

STM32F7 Marking Example (package top view)

STM32F7 Manufacturer

STMicroelectronics is the manufacturer behind the STM32F7 series, a family of high-performance 32-bit microcontrollers based on the ARM Cortex-M7 processor. Renowned for their exceptional speed and rich feature set, these microcontrollers are designed to cater to diverse applications such as industrial control systems, medical devices, consumer electronics, and automotive applications. With a core speed of up to 216 MHz, a 6-stage superscalar pipeline, and a floating-point unit, the STM32F7 series boasts impressive computational performance crucial for high-performance and real-time tasks. Offering up to 2 MB of flash memory, 512 KB of SRAM, and advanced graphics capabilities, these microcontrollers provide a versatile solution for applications requiring both computational power and efficient connectivity. Additionally, their pin-to-pin compatibility with the STM32F4xxxx devices underscores STMicroelectronics' commitment to facilitating seamless upgrades and transitions in embedded system design.

Datasheet PDF

STM32F7 Series

STM32F745IE Datasheet

STM32F777BI Datasheet

STM32f732IE Datasheet

Frequently Asked Questions

1. What is STM32F7?

The STM32F7 is a series of high-performance microcontrollers produced by STMicroelectronics. These microcontrollers are built around the ARM Cortex-M7 processor and are known for their high processing power, large memory capacity, and advanced peripherals. They are used in a variety of applications, including industrial control, automotive, and consumer electronics.

2. What is Arm Cortex M7 based STM32F7 MCU series?

The ARM Cortex-M7 based STM32F7 MCU series refers to microcontrollers that utilize the ARM Cortex-M7 processor. This processor is a 32-bit RISC (Reduced Instruction Set Computing) core, offering high performance, excellent energy efficiency, and accelerated DSP (Digital Signal Processing) capabilities. This series stands out for its computing power, real-time performance, and enhanced graphics capabilities, suitable for demanding applications.

3. What is the strongest microcontroller in the world?

Identifying the "strongest" microcontroller can vary based on criteria such as processing power, memory, peripherals, and specific application needs. As of my last update, there isn't a universally acknowledged "strongest" microcontroller. High-performance microcontrollers like those in the STM32H7 series or advanced models from other manufacturers could be contenders depending on the specific requirements.

4. What is the difference between STM32H7 and STM32F7?

The main difference between the STM32F7 and STM32H7 series lies in their performance and features. The STM32H7 series generally offers higher performance, with a more advanced ARM Cortex-M7 core, higher maximum clock speeds, and more sophisticated peripherals. The STM32H7 also integrates more advanced features for graphics, security, and energy efficiency.

5. Is STM32 faster than Arduino?

STM32 microcontrollers are generally faster than traditional Arduino boards (like the Arduino Uno) in terms of processing speed and capabilities. STM32 boards typically have more powerful processors and higher clock speeds, which makes them suitable for more complex applications.

6. Are STM32 more reliable than Arduino?

Both STM32 and Arduino are reliable in their respective domains. STM32 microcontrollers offer higher performance and are commonly used in professional and industrial applications. Arduino boards are known for their ease of use and are widely used in education and by hobbyists. The choice depends on the specific requirements of the project.

7. What is the essential property of the STM32F7?

The essential property of the STM32F7 series is its high-performance ARM Cortex-M7 core, which provides the computational power necessary for intensive applications. This, combined with its rich set of peripherals and advanced features, makes it suitable for a wide range of demanding applications.

8. What resolution can be configured for the STM32F7 device embedded ADC?

The STM32F7 series typically features an embedded ADC (Analog-to-Digital Converter) with a resolution of up to 12 bits. However, specific capabilities can vary between models, so it's always a good idea to consult the datasheet of the specific STM32F7 model for precise information.