The APM32F411 series MCU is based on the Arm® Cortex®-M4F core and manufactured using a 55nm advanced process. It offers powerful computing capabilities, multiple operating modes, and a wide range of high-precision peripherals and communication interfaces. With a built-in CRC32 computing unit, it provides users with a highly integrated and reliable SoC solution. As an expansion of the APM32F4 series, this MCU effectively balances power consumption, performance, and cost. It finds applications in various fields such as electric power, instrumentation, industrial control, home appliances, Internet of Things, new energy, and intelligent buildings.