<p>➀ The competition in the MCU field is heating up, with Infineon becoming the largest supplier in 2024 with a market share of 21.3%;</p><p>➁ At the Embedded World 2025 in Nuremberg, Germany, major MCU manufacturers are competing in areas such as size, power consumption, storage technology, AI computing power, advanced processes, and architecture innovation (especially RISC-V);</p><p>➂ The article discusses the five dimensions of the 'fight' in the MCU industry: size and power consumption, process technology, storage technology, AI and computing power, and architecture.</p>