采用89C51单片机,串口扩展芯片8251、中断扩展芯片8259等器件设计了一种指令格式转换器。 关键词:指令转换器单片机 8251 8259 Abstract:A dictate converter has been designed by using chip computer 89C51, serial extended chip 8251, interrupted extended chip 8259, and so on. Keywords:dictate converter,chip computer,8251,8259