問(wèn)答題
【簡(jiǎn)答題】MCS-51單片機(jī)的定時(shí)/計(jì)數(shù)器是增1計(jì)數(shù)器還是減1計(jì)數(shù)器?增1和減1計(jì)數(shù)器在計(jì)數(shù)和計(jì)算初值時(shí)有什么不同?
答案:
M.CS-51系列單片機(jī)的定時(shí)/計(jì)數(shù)器是增1計(jì)數(shù)器。
對(duì)于增1計(jì)數(shù)器,計(jì)數(shù)初值應(yīng)等于最大計(jì)數(shù)值減去所需要的計(jì)數(shù)...