The STM32F401CCU6 is a high-performance microcontroller from STMicroelectronics. It is based on the ARM Cortex-M4 core with a frequency of up to 84 MHz and offers a wide range of features that make it ideal for various applications. The STM32F401CCU6 is equipped with 256 KB of flash memory and 64 KB of SRAM, providing ample storage for program code and data. It also supports up to 16 external interrupt/event lines and features a rich set of peripherals, including UART, SPI, I2C, ADC, and timers. One of the standout features of the STM32F401CCU6 is its low-power capabilities, making it suitable for battery-powered applications. It has multiple low-power modes, including sleep, stop, and standby, which significantly reduce power consumption when the device is idle. The microcontroller also benefits from STMicroelectronics' advanced integrated development environment, providing developers with a robust set of development tools and software libraries that enhance productivity. Overall, the STM32F401CCU6 is a versatile and powerful microcontroller that offers excellent performance, low-power capabilities, and a wide range of features, making it a perfect choice for a variety of applications, including industrial automation, consumer electronics, and Internet of Things (IoT) devices.