Review the MCU runoff king STM32H7 characteristics interpretation

STM32H7 new series of first products are STM32H743, based on 400 MHzarmcortex-M7 kernel. As a microcontroller with the highest performance-based Cortex-M kernel based on the current market, the industry's first CORTEX-M7 microcontroller with a 40nm flash manufacturing process, or the first run frequency reached 400MHz Controller, these major improvements allow STM32H743 to create records of 856DMIPS, and Coremark test is obtained in 2010. Dynamic power consumption is less than half of STM32F7, high performance is always accompanied by high energy consumption, but STM32H7 seems to break this "law". RenaudbouzeReau said: "It is 1 time compared to the STM32F7, STM32H7 performance of the previous generation, but the dynamic power consumption is half, and the power consumption control is more flexible." So STM32H7 has those secrets in power consumption? " The NO.1STM32H7 series microcontroller creates a number of storage domains supporting dynamic energy management. The three domains of D1, D2, and D3 are used to handle intensive tasks and peripherals (D1 domains), communication connection tasks (D2 domains), and energy-saving batch mode (D3 domain), respectively. To maximize energy saving, each power domain can be independently switched. After the off, the programmable event can be reactivated. No. 2 uses a 40 nm chip manufacturing process to achieve dynamic voltage adjustment. No.3 Sets data batch mode to directly send data batch to memory without waking up the CPU from energy saving mode. This series of combined boxes makes the STM32H7 achieve perfect balance between high performance and low power consumption. The powerful performance of the target network intelligence application is more applicable, STM32H7 microcontrollers apply to industrial gateways, home automation, telecommunications equipment and intelligent consumer electronics, and high-performance motor control, home appliances and user interface functions Small household appliances, etc. In addition to the ability to bring more powerful performance to the Internet of Things applications, STM32H7 also integrates a password algorithm accelerator and security key storage to ensure that Internet access hardware data is secure. Read more

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