The STM32F412xG from STMicroelectronics is a Space Qualified Microcontroller with Clock Rate 32 kHz to 26 MHz, Operating Frequency 100 MHz, Internal RAM Memory SRAM : 256 kB, Flash Memory 1024 kB, Supply Voltage 1.7 to 3.6 V. Tags: Surface Mount. More details for STM32F412xG can be seen below.