摘要
针对实际应用中遇到的时钟芯片 DS12 887所存在的中断屏蔽失效问题 ,通过对其中断系统的剖析 ,找到中断屏蔽失效的原因 。
Discussed the problem of the invalidation of interrupt mask of DS12887 which was met with in the author's actual application By analyzing DS12887 interrupt system, found the reason of the problem and refer to three solutions at last
出处
《现代电子技术》
2002年第3期50-52,共3页
Modern Electronics Technique
