STM32L412xx Ultra-low-power Arm® Cortex®-M4 32-.
STM32L412C8 - Ultra-low-power Arm Cortex-M4 32-bit MCU+FPU
STM32L412xx Ultra-low-power Arm® Cortex®-M4 32-bit MCU+FPU, 100DMIPS, up to 128KB flash, 40KB SRAM, analog, ext. SMPS Datasheet - production data Fea.