The STM32F058C8 from STMicroelectronics is a Space Qualified Microcontroller with Clock Rate 32 kHz to 32 MHz, Operating Frequency 48 MHz, Internal RAM Memory SRAM : 8 kB, Flash Memory 64 kB, Supply Voltage 1.8 to 3.6 V. Tags: Surface Mount. More details for STM32F058C8 can be seen below.