题目内容

When the CPU responds to the interrupt request of timer T1, the content of program counter PC is ().

A. 0003H
B. 000BH
C. 00013H
D. 001BH

查看答案

搜索结果不匹配？点我反馈

更多问题

The instruction of MCS-51 MCU CPU on / off is.

A. SETB EA
B. SETB ES
CLR EA
D. SETB EX0

MCS-51 single chip microcomputer external interrupt 0, interrupt command is ().

A. SETB ETO
B. SETB EXO
CLR ETO
D. SETB ET1

The trigger mode selection bits of external interrupt 1 and external interrupt 0 of MCS-51 single chip microcomputer are ().

A. Tr1 and tr0
B. IE1 and ie0
C. It1 and it0
D. TF1 and TF0

There are five interrupt sources in 8051 single chip microcomputer. In the same level, when five interrupt sources send interrupt requests at the same time, the content of program counter PC becomes ().

A. 000BH
B. 0003H
C. 0013H
D. 001BH