|
发表于 2020-2-19 09:36:08
|
显示全部楼层
Just as the CPU controls the computer(in addition to its other functions), the control unit controls the CPU.
就像CPU控制计算机(和它的其他附加功能)一样,控制单元控制着CPU
This unit generates the internal control signals that cause registers to load data, increment or clear their contents, and output their contents, as well as cause the ALU to perform the correct function.
就像ALU执行正确的功能一样,控制单元生成内部控制信号,让寄存器读取数据,加载或者清除、输出它们的内容。
These signals are shown as control signals in Fingure 2-3.
该信号被表示为图2-3中控制信号
The control unit receives some data values from the register unit, which it uses to generate the control signals.
控制单元从寄存器单元中接收用于生成控制信号的数据值
This data includes the instruction code and the values of some flag registers
这些数据包含指令编码和标识寄存器的值 |
评分
-
查看全部评分
|