摘要
对ＡＥＤＫ１６位微机开发系统，选用串行口通讯方式，将其８２５５并行口与７４ＬＳ系列ＴＴＬ集成门电路的引脚相连接，可判别该系列门电路的类型．
Discuses the possibility of identifying the type of gate circuit by connecting the 8255 parallel interface with the serial TTL integrated gate circuit in a AEDK pin of 16 digit nicroprocessor developing system in serial interface communication mode.
关键词
集成门电路
类型
判别
digit microprocessor developing system
integrated gate circuit
type identification
