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The STM32G474 microcontrollers from STMicroelectronics enable the implementation of high-performance power systems which use digital control to achieve high precision and to provide design flexibility.
Key features for digital power control in the STM32G474 include a Filter-Math Accelerator (FMAC) to handle functions such as 3p/3z compensation, and to ensure high efficiency across the load range. The STM32G474 can also perform digital slope compensation, freeing CPU cycles for other functions. The MCUs provide a rich set of analog features, including five fast 12-bit ADCs, seven comparators, six operational amplifiers, seven DAC channels, an internal voltage reference buffer, a low-power real-time clock, and multiple high-resolution timers.
The STM32G474 devices are based on the Arm® Cortex®-M4 RISC core operating at a frequency of up to 170MHz. The Cortex-M4 core features a single-precision floating-point unit which supports all the Arm single-precision data-processing instructions and all the data types. The core also implements a full set of DSP instructions, and a memory protection unit for enhanced security.
High-speed memory provision comes in the form of embedded Flash and SRAM. The MCU also features a Quad SPI to external Flash memory. Protection mechanisms for the embedded Flash memory and SRAM include:
Board Part Number: NUCLEO-G474RE
The STM32 Nucleo-64 MCU development board provides Arduino and ST morpho connectivity options for system expansion. It is supplied with an external switch-mode power supply for the core logic system. The board conforms to the Arm Mbed Enabled™ specifications.