The STM32U585OI from STMicroelectronics is a Space Qualified Microcontroller with Clock Rate 32 kHz to 50 MHz, Operating Frequency 160 MHz, Internal RAM Memory SRAM : 784 kB, Flash Memory 2 MB, Supply Voltage 1.71 to 3.6 V. Tags: Surface Mount. More details for STM32U585OI can be seen below.