The implementation method and circuit structure as well as principle of branch topological structure in master slave communication are introduced in this paper.
介绍分支拓扑结构在主从式多机通信中的实现方法，电路结构及工作原理。
2
The core of Slave interface hardware design regarded PHILIPS P89C668 MCU chip and SPC3 chip interface circuit as, and additional auxiliary interface circuit is formed.
从站接口硬件设计以PHILIPS P 89c 668 MCU芯片和SPC3芯片接口电路为核心，外加辅助接口电路构成。
3
The transverse slave control system was designed with the AT89C51 SCM from ATMEL Company. It consisted of sensing test circuit, signal processing circuit and output control circuit.
并设计完成了以atmel公司的AT 89 C 51单片机为核心，由传感检测电路、信号处理电路、输出控制电路等构成的横向随动控制系统。