STM32F722ZET6

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The STM32F722ZET6 is a 32-bit Arm Cortex-M7 core microcontroller which is available in a high-performance MB1700 package with several standard peripherals. This microcontroller family is integrated in many applications such as industrial automation, medical sensor development and robotic control. This article will focus on the application field and working principle of STM32F722ZET6.

Application Field of STM32F722ZET6

The STM32F722ZET6 is an advanced 32-bit Arm Cortex-M7 microcontroller which is available with several standard peripherals. Its high integration and advanced features enable it to be used for a wide range of industrial and consumer applications including industrial automation, home automation, medical sensor development, consumer electronics, and robotic control. In addition, it can facilitate the development of high-performance applications with its extensive range of libraries, development tools and extended software support.

The STM32F722ZET6 is powered by two ARM Cortex-M7 processors clocked at over 300 MHz with dedicated Floating Point Units (FPUs). Its Floating Point Accelerator (FPA) enables single-precision computations for faster execution and improved accuracy. Its high memory density allows for larger applications, giving developers more design freedom and enhancing the user experience. Its memory protection unit provides the added security needed for safety-critical systems. It also features an external Multichannel Asynchronous timer (MAT) to handle time sensitive tasks, and Ethernet MAC controller support, allowing developers to connect devices to the internet.

The STM32F722ZET6 microcontroller is also capable of working with multiple standard digital audio formats like AC3 and WMA. This allows developers to create applications that require real-time audio processing. It also offers wide range of digital signal processing functions, including digital filters, FFTs and frequency synthesizers, making the controller well suited for medical equipment and gaming products. The STM32F722ZET6 also has several low power features, including a low-power Stop Mode and Sleep Modes, that significantly reduce power consumption.

Working Principle of STM32F722ZET6

The STM32F722ZET6 microcontroller is based on the Arm Cortex-M7 32-bit processor core. This core features a set of high performance and advanced capabilities, such as IEEE754-compliant single precision Floating Point Unit (FPU) and a Floating-Point Accelerator (FPA). This FPA can be used to accelerate single high-precision Floating Point calculations. The processor also includes two single-cycle MACs (Multiplier/Accumulator Unit), and up to three Independent Programmable Interrupt Channels.

The STM32F722ZET6 includes a 52 KB internal RAM, with a portion of the RAM dedicated as boot up within the embedded flash. This embedded flash includes a maximum of 256-Kbytes of memory with up to 4 kB of embedded EEPROM. The flash supports write protection and erase/program operations. It also includes an external bus interface that supports synchronous and asynchronous access to off chip memories, as well as both directions for program code fetch, data read/write and status read.

The STM32F722ZET6 uses the ARM V7-M architecture with a high-speed multi-layer bus matrix and a Memory Management Unit (MPU) for system protection. The microcontroller also has several digital peripheral interfaces including an external Multi-channel Asynchronous Timer (MAT) for time-sensitive tasks, Ethernet MAC controller with 10/100 Mbit/Sec support, quad Serial Peripheral Interface (SPI) with data rate up to 5 Mbit/sec, and 10 UARTs. The microcontroller also includes up to 14 16-bit Timers and up to 32 Timer Channels.

The STM32F722ZET6 also includes several analog peripherals such as two DACs and two 12-bit ADCs. The DACs provide up to two channels with 12-bit resolution, operating at a maximum frequency of 1 MHz. The two 12-bit SAR ADCs are capable of sampling up to seven channels at a sample rate of 1 MHz. There is also an integrated 12-bit Analog Comparator and an internal Temperature Sensor.

Conclusion

The STM32F722ZET6 is an advanced and highly integrated microcontroller designed for embedded applications such as industrial automation, home automation, medical devices, consumer electronics and robotic control. It features two ARM Cortex-M7 processors, four 12-bit ADCs, and a wide range of digital interfaces. It also features a high-speed multi-layer bus matrix and a Memory Management Unit for system protection. As such, it is a cost effective device for many embedded applications that require performance and advanced features.

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