The STM32C031G6 from STMicroelectronics is a Space Qualified Microcontroller with Clock Rate 32 kHz to 48 MHz, Operating Frequency 48 MHz, Internal RAM Memory SRAM : 12 kB, Flash Memory 32 kB, Supply Voltage 2 to 3.6 V. Tags: Surface Mount. More details for STM32C031G6 can be seen below.