微机原理与接口，接口实验，使用汇编语言，包括串行通信实验8251、数模转换器0832、模数转换器0809、步进电机控制实验、直流电机转速控制实验-Microcomputer Principle and interface, the interface experiments, the use of assembly language, including the serial communication experiment 8251, 0832 DACs, ADCs 0809, stepper