The STM32F415RG from STMicroelectronics is a Space Qualified Microcontroller with Clock Rate 32 kHz to 26 MHz, Operating Frequency 168 MHz, Internal RAM Memory SRAM : 4 to 192 kB, Flash Memory 1024 kB, Supply Voltage 1.8 to 3.6 V. Tags: Surface Mount. More details for STM32F415RG can be seen below.