CPU;MPU;MCU三者,以及ARM,DSP,FPGA三者的区别

1 CPU ⇒ MPU ⇒ MCU 1 CPU（Central Processing Unit,中央处理器） .........................................................................................1 1.1 CPU 的组成 ............................................................................................................................................1 1.2 CPU 的工作原理 ....................................................................................................................................1 2 MPU（Microprocessor Unit,微处理器） .....................................................................................................3 2.1 MPU 的组成 ............................................................................................................................................3 2.2 MPU 的分类 ............................................................................................................................................3 2.3 MPU 的体系结构：冯·诺伊曼结构和哈佛结构 ................................................................................3 2.4 MPU 的典型代表:DSP（Digital Signal Processor,数字信号处理器） ......................................4 3 MCU（Microcontroller Unit,微控制器/单片机） .....................................................................................5 3.1 MCU 的概念 ............................................................................................................................................5 3.2 MCU 的概述 ............................................................................................................................................5 3.3 MCU 的分类 ............................................................................................................................................6 3.4 MCU 的架构:CISC 架构和 RISC 架构 ...................................................................................................6 3.5 常见的MCU .........................