STM32F407VGT6
Part Number: STM32F407VGT6
Manufacturer: STMicroelectronics
Description: IC MCU 32BIT 1MB FLASH 100LQFP
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STM32F407VGT6 Introduction
The STM32F407VGT6 microcontroller is an advanced device from STMicroelectronics. The STM32F4 family is responsible for its ARM Cortex-M4 CPU core and high clock speed (up to 168 MHz). The chip’s many functions and peripherals mean it may be used in various settings, from factory robots to consumer devices to embedded computer systems.
In this article, we’ll go into the finer points of the STM32F407VGT6 and examine its features, specifications, and programming considerations.
STM32F407VGT6 Description
The STM32F405xx and STM32F407xx families are built around a 32-bit RISC core from Arm® that can reach speeds of up to 168 MHz, making them ideal for demanding applications. All Arm single-precision data-processing commands and data formats are supported by the Cortex-M4 core’s Floating-point unit (FPU) single precision. A memory protection unit (MPU) and the entire range of digital signal processor (DSP) instructions are implemented. The STM32F407xx and STM32F405xx families feature a wide variety of enhanced I/Os and peripherals connected to two APB buses, three AHB buses, and a 32-bit multi-AHB bus matrix, as well as high-speed embedded memories (Flash memory up to 1 Mbyte, up to 192 Kbytes of SRAM), and up to 4 Kbytes of backup SRAM. Every unit has three 12-bit analog-to-digital converters (ADCs), two digital-to-analog converters (DACs), a low-power real-time clock (RTC), twelve 16-bit timers (including two PWM timers for motor control), two 32-bit timers. A Genuinely Random Number Generator (RNG).
STM32F407VGT6 Specifications and Features
● Processor Core
The STM32F407VGT6 microcontroller is built around a high-performance 32-bit RISC architecture called ARM Cortex-M4, which includes a floating-point unit (FPU) and digital signal processing (DSP) instructions. The ARMv7E-M architecture is supported, and the Cortex-M4 core can reach speeds of up to 168 MHz in speed.
● Memory
The STM32F407VGT6 microcontroller has 192 KB of SRAM and 1 MB of flash memory. The code is stored in flash memory, whereas data is kept in SRAM while the application is active.
● Connectivity
Ethernet, I2C, CAN, USB, SPI, and USART are just some of the communication interfaces available on the STM32F407VGT6 microcontroller, allowing it to communicate with a wide variety of peripherals.
● Power Management
Power management functions found on the STM32F407VGT6 microcontroller include:
- Using these 5 low-power modes, you can significantly reduce battery life drain.
- The in-built voltage regulator allows use with a single power source.
- Resuming normal operation after a period of inactivity by means of the Real Time Clock (RTC) and/or external interruptions.
● Programming STM32F407VGT6
The STM32F407VGT6 microcontroller is compatible with various development environments and software.
● STM32CubeIDE
For those working with STM32 microcontrollers, the open-source STM32CubeIDE provides an IDE that may be used on multiple platforms without cost. Includes a code editor, debugger, compiler, and project management tools, among other things, for creating, testing, and releasing STM32 applications.
● STM32CubeMX
With the graphical interface of STM32CubeMX, programmers may set up STM32 microcontrollers and produce initialization codes for their peripherals. It’s able to create code for Keil MDK, STM32CubeIDE, IAR Embedded Workbench, and other common IDEs, and it supports the STM32F407VGT6 microcontroller.
● Arduino IDE
Although originally designed to work with Arduino boards, the Arduino IDE may be used to write code for any STM32 microcontroller, including the STM32F407VGT6. When working with STM32 microcontrollers, the STM32Duino project can be used because it creates an environment compatible with Arduino.
● Other Tools
Keil MDK, IAR Embedded Workbench, and GCC-based toolchains are only some of the numerous development tools and software available for programming STM32F407VGT6.
STM32F407VGT6 Detailed Description.
● Full compatibility throughout the family
STM32F405xx and STM32F407xx are two members of the STM32F4 family. This allows the user to experiment with various memory densities, peripherals, and performances (FPU, higher frequency) during the development cycle while maintaining full pin-to-pin, software, and feature compatibility with the STM32F2xx devices. STM32F405xx and STM32F407xx devices are highly compatible with the rest of the STM32F10xxx series. All of the available pins can communicate with one another. Nevertheless, the STM32F405xx and STM32F407xx cannot be used as direct replacements for the STM32F10xxx devices since their power pins are wired differently. The pin changes between the STM32F10xxx and STM32F40xxx families are minimal; therefore, upgrading is straightforward.
● Arm® Cortex®-M4 core with FPU and embedded Flash and SRAM
One of the most recent iterations of Arm processors designed for embedded systems is the Cortex-M4 with a floating-point unit. With a small number of pins and low power consumption, it is ideal for MCU implementation, and it also boasts impressive computational performance and a sophisticated response to interrupts. Code efficiency is one of the many strengths of the Arm Cortex-M4 32-bit RISC processor with FPU, which allows it to provide the high performance expected from an Arm core in the same memory size as is more commonly seen in 8- and 16-bit devices. The CPU can execute sophisticated algorithms and perform digital signal processing thanks to the included DSP instructions. Its floating-point unit (FPU) has a single-precision architecture, which allows for rapid application development with metalanguage development tools. All Arm development environments and applications can be used with the STM32F407xx and STM32F405xx families.
● Adaptive real-time memory accelerator (ART Accelerator)
Memory accelerator ART Accelerator is designed for STM32 industry-standard Arm® Cortex®-M4 with FPU processors. The Arm Cortex-built-in M4’s performance advantage over Flash memory technologies is mitigated by the FPU, eliminating the need for the CPU to operate at lower frequencies while waiting for the Flash memory. Accelerator features include an instruction prefetch queue and branch cache, which improve the processor’s ability to execute programs quickly from 128-bit Flash memory, allowing it to reach its maximum 210 DMIPS capability at this frequency. According to the CoreMark benchmark, the performance boost provided by the ART accelerator is on par with executing a program directly from Flash memory with a CPU speed of up to 168 MHz, meaning there is no waiting time.
● Memory protection unit
When multiple processes are running, the memory protection unit (MPU) ensures that none mistakenly damage data belonging to the others. This storage space can be partitioned into as many as eight independent secure regions. The sizes of the protected regions range from 32 bytes up to all 4 GB of accessible memory. The MPU shines brightest in situations where mission-critical or certified code must be shielded from the errors of other processes. Typically, it is run by a real-time operating system (realtime operating system). The RTOS is able to identify and react to programs that attempt to access memory locations that the MPU disables. The kernel in a real-time operating system can adjust the amount of memory dedicated to the central processing unit (CPU) on the fly. Certain programs may function just fine without using the MPU, as it is a configurable feature.
Conclusion
In conclusion, the STM32F407VGT6 microcontroller from STMicroelectronics is a highly capable and versatile device well-suited for use in the modern-day system and circuit designs. With its high clock speed, large flash program memory, and flexible input/output capabilities, this 32-bit processor is popular for embedded systems applications.
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