MCS-51单片机的特殊功能寄存器集中布置在片内数据存储器的一个区域中。
查看答案
MSC-51系列单片机外扩存储器芯片时，4个I/O口中用作数据总线的是
A. P0
B. P1
C. P2
D. P3
在MCS-51系统中，一个机器周期等于1μS
A. 对
B. 错
What is individualism?
A. People look out for what is good for the group.
B. People focus on what is good for themselves
C. The group looks out for itself and is independent.
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