The STM32L433VCT3 with ARM Microcontrollers - MCU Ultra-low-power with FPU ARM Cortex-M4 MCU 80 MHz with 256 Kbytes Flash, LCD, USB is a system-on-chip (SoC) from STMicroelectronics. The ultra-low-power, state-of-the-art ARM Cortex-M4 microcontroller (MCU) offers high performance and efficient use of power. With a frequency of up to 80 MHz, it provides 256 Kbytes of FLASH memory, 144 Kbytes of RAM, LCD controller, and USB 2.0 OTG peripherals. The STM32L433VCT3 MCU is an excellent electronic part for embedded systems such as medical, industrial, and automotive applications.