STM32F746G-Discovery Sample code based on STM32F746G-Discovery kit main controller ic: STM32F746NGH6, cortex-m7@216MHz, FLASH Size: 1MB, SRAM Size: 320KB. development IDE: Keil MDK uVision V5.24.2.0 . Toolchain: MDK-ARM Plus Version: V5.24.1 . Firmware Version: V1.1.0 .