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58问答库 > 串行输入输出与并行输入输出的区别?

串行输入输出与并行输入输出的区别?

2025-03-31 02:26:24

推荐回答（2个）

回答（1）：

并行输入一般是将一串数据（如八位数据）先输入数据缓冲器，当数据达到八位时一同输入目的寄存器。而串行输入一般是将数据一位一位传输，通常这样的数据效率不会很高，而且在数据中要加入起始标志和结束标志位。

回答（2）：

串行输入输出，就是一个bite接着一个bite的，速度相对慢，芯片价格便宜。并行，就是一次多bite，甚至以字节为单位传输，速度快，但相应的芯片价格也高

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