We read every piece of feedback, and take your input very seriously.
To see all available qualifiers, see our documentation.
Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.
By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.
Already on GitHub? Sign in to your account
总线简介
每一个CPU芯片都有许多管脚,这些管脚和总线相连,CPU通过总线跟外部器件进行交互
总线:一根根导线的集合
总线的分类
1.地址总线 2.数据总线 3.控制总线
i8086图
CPU控制操作其他器件(内存)
CPU从内存的3号单元读取数据
地址、数据、控制总线区分
它的宽度决定了CPU的寻址能力 8086的地址总线宽度是20,所以寻址能力是1M( 2^20 )
它的宽度决定了CPU的单次数据传送量,也就是数据传送速度 8086的数据总线宽度是16,所以单次最大传递2个字节的数据
它的宽度决定了CPU对其他器件的控制能力、能有多少种控制
8088的数据总线
The text was updated successfully, but these errors were encountered:
No branches or pull requests
总线介绍
总线简介
每一个CPU芯片都有许多管脚,这些管脚和总线相连,CPU通过总线跟外部器件进行交互
总线:一根根导线的集合
总线的分类
i8086图
CPU控制操作其他器件(内存)
地址、数据、控制总线区分
8088的数据总线
The text was updated successfully, but these errors were encountered: