单片机s (MCUs) are integrated circuits used to automate and control devices. 一个微控制器系统由至少一个CPU，内存和I/O组成. They are an indispensable part of today’s technological world and most modern devices contain them – washing machines, 电话, 手推车, 机器人剪草机, 遥控器, 和更多的.
处理器通常被称为微处理器. They are different from a microcontroller as they focus on performance rather than application. They tend to have fewer peripherals and often have internal functionality that provides acceleration for their particular algorithms. 这可能包括内部内存缓存, 复杂的数据和指令总线, 复杂的内部指令单元(管道), 算术指令单元(alu)和监督电路. Modern microprocessors can contain hardware accelerators for particular algorithms or graphics processing.
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