STM32H742xI/G STM32H743xI/G 32-bit Arm® Cortex®.
STMicroelectronics
STM32H742AI - 32-bit Arm Cortex-M7 480MHz MCUs
STM32H742xI/G STM32H743xI/G 32-bit Arm® Cortex®-M7 480MHz MCUs, up to 2MB flash, up to 1MB RAM, 46 com. and analog interfaces Datasheet - production .