STMicroelectronics, 32bit ARM Cortex M33, STM32H Microcontroller MCU, 250MHz, 128 kB Flash, 48-Pin UFQFPN [STM32H503CBU7]; 214-905

The STMicroelectronics High-performance microcontrollers of the STM32H5 series, based on the high-performance Arm Cortex-M33 32-bit RISC core. They operate at a frequency of up to 250 MHz. The Cortex-M33 core features a single-precision floating-point unit (FPU), which supports all the Arm single-precision data-processing instructions and all the data types.

ART Accelerator

128 Kbytes of embedded flash memory with ECC