STMicroelectronics STM32G4 microcontrollers

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Targeted at advanced digital power applications and consumer and industrial appliances, STMicroelectronics’ STM32G4 microcontrollers introduce two hardware mathematical accelerators to boost processing of applications using Cordic and Filtering functions among a range of features to support increased performance and energy efficiency.

Dedicated to speeding up calculations such as trigonometry for energy-saving motor controls in appliances or air conditioners and filtering for signal conditioning or digital power control, the accelerators are said to compute results faster and more efficiently than the general-purpose main processor. This offloading also frees the core to receive more sensor data and control additional user functions.

Further features include high-resolution power conversion timers with various built-in functions that offload the CPU and ease developers’ lives. There are also high-performing analog peripherals and converters, ultraspeed connections for fast response to external events, and support for the latest USB-C interface with power delivery that allows fast charging or convenient powering of devices up to 100 W.

The MCUs are designed to support extra functionality and increase energy efficiency in a wide range of products addressing smart living, smart factory and smart-energy applications. These include e-mobility, digital power supplies, advanced motor controls, lighting, building automation products and others.

In addition, features such as a scalable securable memory area for secret storage and secure live firmware upgrade, debug-access prevention after programming to reduce threat surfaces, AES-256 encryption, unique device ID and true random-number generator (TRNG) empower developers to handle cybersecurity challenges.

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