The STM32G483RE from STMicroelectronics is a Space Qualified Microcontroller with Clock Rate 32 kHz to 48 MHz, Operating Frequency 170 MHz, Internal RAM Memory SRAM : 128 kB, Flash Memory 128 KB, Supply Voltage 1.71 to 3.6 V. Tags: Surface Mount. More details for STM32G483RE can be seen below.