列表对比其主流芯片的性能（主要性能指标：速度、封装、流水线结构、多处理单元、特殊运算单元、协处理器、指令周期、RAM、Flash、EEPROM、 AD、SPI、外设等，尽量完善描述），价格、应用范围(The performance of the list compared to its mainstream chips (the main performance indicators: speed, encapsulation, pipeline structure, processing unit, special operations unit, CO processor, RAM, Flash, instruction cycle, EEPROM, AD, SPI, and other peripherals, try to improve the descr iption, price and application scope))