STM32L432KB STM32L432KC Ultra-low-power Arm® Cor.
STM32L432KB - Ultra-low-power Arm Cortex-M4 32-bit MCU+FPU
STM32L432KB STM32L432KC Ultra-low-power Arm® Cortex®-M4 32-bit MCU+FPU, 100DMIPS, up to 256KB Flash, 64KB SRAM, USB FS, analog, audio Datasheet - pro.