(The Stellaris? Microcontroller (MCU) was the first MCU on the market based on the ARM? Cortex?-M core; this architecture has quickly become the architecture of choice for many developers around the world. Since this architecture was formed, the Stellaris product family has followed its stated goal of providing 32-bit microcontrollers with a high degree of connectivity, the widest range of packages available, and low cost and ease of use. use. The latest StellarisLM4F series optimizes the offered MCU, greatly improves the performance, enhances the function, and brings the series products to a new level of quality.)