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微机和单片机的区别
2022-07-27 10:59:00 【char~lie】
微型计算机:微处理器(CPU)、存储器、I/O接口电路由总线有机地连接在一起的整体,称为微型计算机。
单片机:将微处理器(CPU)、存储器、I/O接口电路和相应实时控制器件集成在一块芯片上,称为单片微型计算机,简称单片机。
主要区别:通用微机的CPU主要面向数据处理,其发展主要围绕数据处理功能、计算速度和精度的进一步提高。
单片机主要面向控制,控制中的数据类型及数据处理相对简单,所以单片机的数据处理功能比通用微机相对要弱一些,计算速度和精度也相对要低一些。
简而言之,通用微机的性能要比单片机强
事实上,台式电脑、笔记本这些都是微机,而51、AVR、STM32之类就是单片机,他们也是微机。
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