题目内容

An alternate function of port pin P3.4 in the 8051 is ()

A. Timer 0 input
B. Timer 1 input
C. Externl interrupt 0 input
D. Externl interrupt 1 input

查看答案

搜索结果不匹配？点我反馈

更多问题

The timers in Mode 1 overflow when the register reaches ()

A. 1FFFH
B. 0FFFH
C. FFH
D. FFFFH

The timers in Mode 0 overflows when the register reaches ()

A. 1FFF
B. 0FFF
C. FF
D. FFFF

For a given crystal frequency, minimum time delay generated by Timer 0 is in ()

A. Mode 0
B. Mode 1
C. Mode 2

All 8051 SFRs are bit-addressable. ( )