优先中断控制器

[计] priority interrupt control device, priority interrupt controller

yōu xiān zhōng duàn kòng zhì qì ㄧㄡ ㄒㄧㄢ ㄓㄨㄥ ㄉㄨㄢˋ ㄎㄨㄥˋ ㄓˋ ㄑㄧˋ