The STM32F412xE 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 512 kB, Supply Voltage 1.7 to 3.6 V. Tags: Surface Mount. More details for STM32F412xE can be seen below.