The STM32U535NE/NC from STMicroelectronics is a Space Qualified Microcontroller with Clock Rate 32 kHz to 50 MHz, Operating Frequency 160 MHz, Internal RAM Memory SRAM : 272 kB, Flash Memory 512 KB, Supply Voltage 1.71 to 3.6 V. Tags: Surface Mount. More details for STM32U535NE/NC can be seen below.